| /* |
| * Copyright (C) 2006-2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.am; |
| |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| import static com.android.internal.util.XmlUtils.readIntAttribute; |
| import static com.android.internal.util.XmlUtils.writeIntAttribute; |
| import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; |
| import static org.xmlpull.v1.XmlPullParser.START_TAG; |
| |
| import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; |
| |
| import android.app.AppOpsManager; |
| import android.appwidget.AppWidgetManager; |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.os.BatteryStatsImpl; |
| import com.android.internal.os.ProcessStats; |
| import com.android.internal.util.FastXmlSerializer; |
| import com.android.server.AppOpsService; |
| import com.android.server.AttributeCache; |
| import com.android.server.IntentResolver; |
| import com.android.server.ProcessMap; |
| import com.android.server.SystemServer; |
| import com.android.server.Watchdog; |
| import com.android.server.am.ActivityStack.ActivityState; |
| import com.android.server.firewall.IntentFirewall; |
| import com.android.server.pm.UserManagerService; |
| import com.android.server.wm.AppTransition; |
| import com.android.server.wm.StackBox; |
| import com.android.server.wm.WindowManagerService; |
| import com.google.android.collect.Lists; |
| import com.google.android.collect.Maps; |
| |
| import dalvik.system.Zygote; |
| |
| import libcore.io.IoUtils; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityManager.RunningTaskInfo; |
| import android.app.ActivityManagerNative; |
| import android.app.ActivityOptions; |
| import android.app.ActivityThread; |
| import android.app.AlertDialog; |
| import android.app.AppGlobals; |
| import android.app.ApplicationErrorReport; |
| import android.app.Dialog; |
| import android.app.IActivityController; |
| import android.app.IApplicationThread; |
| import android.app.IInstrumentationWatcher; |
| import android.app.INotificationManager; |
| import android.app.IProcessObserver; |
| import android.app.IServiceConnection; |
| import android.app.IStopUserCallback; |
| import android.app.IThumbnailReceiver; |
| import android.app.IUiAutomationConnection; |
| import android.app.IUserSwitchObserver; |
| import android.app.Instrumentation; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.app.backup.IBackupManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.BroadcastReceiver; |
| import android.content.ClipData; |
| import android.content.ComponentCallbacks2; |
| import android.content.ComponentName; |
| import android.content.ContentProvider; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.IContentProvider; |
| import android.content.IIntentReceiver; |
| import android.content.IIntentSender; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.IntentSender; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.ConfigurationInfo; |
| import android.content.pm.IPackageDataObserver; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.InstrumentationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.PathPermission; |
| import android.content.pm.ProviderInfo; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.res.CompatibilityInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Bitmap; |
| import android.net.Proxy; |
| import android.net.ProxyProperties; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.DropBoxManager; |
| import android.os.Environment; |
| import android.os.FileObserver; |
| import android.os.FileUtils; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.IPermissionController; |
| import android.os.IRemoteCallback; |
| import android.os.IUserManager; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Parcel; |
| import android.os.ParcelFileDescriptor; |
| import android.os.Process; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| import android.os.SELinux; |
| import android.os.ServiceManager; |
| import android.os.StrictMode; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UpdateLock; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.text.format.Time; |
| import android.util.AtomicFile; |
| import android.util.EventLog; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.PrintWriterPrinter; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.TimeUtils; |
| import android.util.Xml; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| public final class ActivityManagerService extends ActivityManagerNative |
| implements Watchdog.Monitor, BatteryStatsImpl.BatteryCallback { |
| private static final String USER_DATA_DIR = "/data/user/"; |
| static final String TAG = "ActivityManager"; |
| static final String TAG_MU = "ActivityManagerServiceMU"; |
| static final boolean DEBUG = false; |
| static final boolean localLOGV = DEBUG; |
| static final boolean DEBUG_SWITCH = localLOGV || false; |
| static final boolean DEBUG_TASKS = localLOGV || false; |
| static final boolean DEBUG_THUMBNAILS = localLOGV || false; |
| static final boolean DEBUG_PAUSE = localLOGV || false; |
| static final boolean DEBUG_OOM_ADJ = localLOGV || false; |
| static final boolean DEBUG_TRANSITION = localLOGV || false; |
| static final boolean DEBUG_BROADCAST = localLOGV || false; |
| static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false; |
| static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false; |
| static final boolean DEBUG_SERVICE = localLOGV || false; |
| static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false; |
| static final boolean DEBUG_VISBILITY = localLOGV || false; |
| static final boolean DEBUG_PROCESSES = localLOGV || false; |
| static final boolean DEBUG_PROCESS_OBSERVERS = localLOGV || false; |
| static final boolean DEBUG_CLEANUP = localLOGV || false; |
| static final boolean DEBUG_PROVIDER = localLOGV || false; |
| static final boolean DEBUG_URI_PERMISSION = localLOGV || false; |
| static final boolean DEBUG_USER_LEAVING = localLOGV || false; |
| static final boolean DEBUG_RESULTS = localLOGV || false; |
| static final boolean DEBUG_BACKUP = localLOGV || false; |
| static final boolean DEBUG_CONFIGURATION = localLOGV || false; |
| static final boolean DEBUG_POWER = localLOGV || false; |
| static final boolean DEBUG_POWER_QUICK = DEBUG_POWER || false; |
| static final boolean DEBUG_MU = localLOGV || false; |
| static final boolean DEBUG_IMMERSIVE = localLOGV || false; |
| static final boolean DEBUG_STACK = localLOGV || false; |
| static final boolean VALIDATE_TOKENS = true; |
| static final boolean SHOW_ACTIVITY_START_TIME = true; |
| |
| // Control over CPU and battery monitoring. |
| static final long BATTERY_STATS_TIME = 30*60*1000; // write battery stats every 30 minutes. |
| static final boolean MONITOR_CPU_USAGE = true; |
| static final long MONITOR_CPU_MIN_TIME = 5*1000; // don't sample cpu less than every 5 seconds. |
| static final long MONITOR_CPU_MAX_TIME = 0x0fffffff; // wait possibly forever for next cpu sample. |
| static final boolean MONITOR_THREAD_CPU_USAGE = false; |
| |
| // The flags that are set for all calls we make to the package manager. |
| static final int STOCK_PM_FLAGS = PackageManager.GET_SHARED_LIBRARY_FILES; |
| |
| private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; |
| |
| static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); |
| |
| // Maximum number of recent tasks that we can remember. |
| static final int MAX_RECENT_TASKS = 20; |
| |
| // Amount of time after a call to stopAppSwitches() during which we will |
| // prevent further untrusted switches from happening. |
| static final long APP_SWITCH_DELAY_TIME = 5*1000; |
| |
| // How long we wait for a launched process to attach to the activity manager |
| // before we decide it's never going to come up for real. |
| static final int PROC_START_TIMEOUT = 10*1000; |
| |
| // How long we wait for a launched process to attach to the activity manager |
| // before we decide it's never going to come up for real, when the process was |
| // started with a wrapper for instrumentation (such as Valgrind) because it |
| // could take much longer than usual. |
| static final int PROC_START_TIMEOUT_WITH_WRAPPER = 300*1000; |
| |
| // How long to wait after going idle before forcing apps to GC. |
| static final int GC_TIMEOUT = 5*1000; |
| |
| // The minimum amount of time between successive GC requests for a process. |
| static final int GC_MIN_INTERVAL = 60*1000; |
| |
| // The rate at which we check for apps using excessive power -- 15 mins. |
| static final int POWER_CHECK_DELAY = (DEBUG_POWER_QUICK ? 2 : 15) * 60*1000; |
| |
| // The minimum sample duration we will allow before deciding we have |
| // enough data on wake locks to start killing things. |
| static final int WAKE_LOCK_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; |
| |
| // The minimum sample duration we will allow before deciding we have |
| // enough data on CPU usage to start killing things. |
| static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000; |
| |
| // How long we allow a receiver to run before giving up on it. |
| static final int BROADCAST_FG_TIMEOUT = 10*1000; |
| static final int BROADCAST_BG_TIMEOUT = 60*1000; |
| |
| // How long we wait until we timeout on key dispatching. |
| static final int KEY_DISPATCHING_TIMEOUT = 5*1000; |
| |
| // How long we wait until we timeout on key dispatching during instrumentation. |
| static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; |
| |
| // Amount of time we wait for observers to handle a user switch before |
| // giving up on them and unfreezing the screen. |
| static final int USER_SWITCH_TIMEOUT = 2*1000; |
| |
| // Maximum number of users we allow to be running at a time. |
| static final int MAX_RUNNING_USERS = 3; |
| |
| // How long to wait in getTopActivityExtras for the activity to respond with the result. |
| static final int PENDING_ACTIVITY_RESULT_TIMEOUT = 2*2000; |
| |
| static final int MY_PID = Process.myPid(); |
| |
| static final String[] EMPTY_STRING_ARRAY = new String[0]; |
| |
| /** Run all ActivityStacks through this */ |
| ActivityStackSupervisor mStackSupervisor; |
| |
| public IntentFirewall mIntentFirewall; |
| |
| private final boolean mHeadless; |
| |
| // Whether we should show our dialogs (ANR, crash, etc) or just perform their |
| // default actuion automatically. Important for devices without direct input |
| // devices. |
| private boolean mShowDialogs = true; |
| |
| /** |
| * Description of a request to start a new activity, which has been held |
| * due to app switches being disabled. |
| */ |
| static class PendingActivityLaunch { |
| final ActivityRecord r; |
| final ActivityRecord sourceRecord; |
| final int startFlags; |
| final ActivityStack stack; |
| |
| public PendingActivityLaunch(ActivityRecord _r, ActivityRecord _sourceRecord, |
| int _startFlags, ActivityStack _stack) { |
| r = _r; |
| sourceRecord = _sourceRecord; |
| startFlags = _startFlags; |
| stack = _stack; |
| } |
| } |
| |
| final ArrayList<PendingActivityLaunch> mPendingActivityLaunches |
| = new ArrayList<PendingActivityLaunch>(); |
| |
| BroadcastQueue mFgBroadcastQueue; |
| BroadcastQueue mBgBroadcastQueue; |
| // Convenient for easy iteration over the queues. Foreground is first |
| // so that dispatch of foreground broadcasts gets precedence. |
| final BroadcastQueue[] mBroadcastQueues = new BroadcastQueue[2]; |
| |
| BroadcastQueue broadcastQueueForIntent(Intent intent) { |
| final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0; |
| if (DEBUG_BACKGROUND_BROADCAST) { |
| Slog.i(TAG, "Broadcast intent " + intent + " on " |
| + (isFg ? "foreground" : "background") |
| + " queue"); |
| } |
| return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue; |
| } |
| |
| BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) { |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver); |
| if (r != null) { |
| return r; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Activity we have told the window manager to have key focus. |
| */ |
| ActivityRecord mFocusedActivity = null; |
| |
| /** |
| * List of intents that were used to start the most recent tasks. |
| */ |
| private final ArrayList<TaskRecord> mRecentTasks = new ArrayList<TaskRecord>(); |
| |
| public class PendingActivityExtras extends Binder implements Runnable { |
| public final ActivityRecord activity; |
| public boolean haveResult = false; |
| public Bundle result = null; |
| public PendingActivityExtras(ActivityRecord _activity) { |
| activity = _activity; |
| } |
| @Override |
| public void run() { |
| Slog.w(TAG, "getTopActivityExtras failed: timeout retrieving from " + activity); |
| synchronized (this) { |
| haveResult = true; |
| notifyAll(); |
| } |
| } |
| } |
| |
| final ArrayList<PendingActivityExtras> mPendingActivityExtras |
| = new ArrayList<PendingActivityExtras>(); |
| |
| /** |
| * Process management. |
| */ |
| final ProcessList mProcessList = new ProcessList(); |
| |
| /** |
| * All of the applications we currently have running organized by name. |
| * The keys are strings of the application package name (as |
| * returned by the package manager), and the keys are ApplicationRecord |
| * objects. |
| */ |
| final ProcessMap<ProcessRecord> mProcessNames = new ProcessMap<ProcessRecord>(); |
| |
| /** |
| * The currently running isolated processes. |
| */ |
| final SparseArray<ProcessRecord> mIsolatedProcesses = new SparseArray<ProcessRecord>(); |
| |
| /** |
| * Counter for assigning isolated process uids, to avoid frequently reusing the |
| * same ones. |
| */ |
| int mNextIsolatedProcessUid = 0; |
| |
| /** |
| * The currently running heavy-weight process, if any. |
| */ |
| ProcessRecord mHeavyWeightProcess = null; |
| |
| /** |
| * The last time that various processes have crashed. |
| */ |
| final ProcessMap<Long> mProcessCrashTimes = new ProcessMap<Long>(); |
| |
| /** |
| * Set of applications that we consider to be bad, and will reject |
| * incoming broadcasts from (which the user has no control over). |
| * Processes are added to this set when they have crashed twice within |
| * a minimum amount of time; they are removed from it when they are |
| * later restarted (hopefully due to some user action). The value is the |
| * time it was added to the list. |
| */ |
| final ProcessMap<Long> mBadProcesses = new ProcessMap<Long>(); |
| |
| /** |
| * All of the processes we currently have running organized by pid. |
| * The keys are the pid running the application. |
| * |
| * <p>NOTE: This object is protected by its own lock, NOT the global |
| * activity manager lock! |
| */ |
| final SparseArray<ProcessRecord> mPidsSelfLocked = new SparseArray<ProcessRecord>(); |
| |
| /** |
| * All of the processes that have been forced to be foreground. The key |
| * is the pid of the caller who requested it (we hold a death |
| * link on it). |
| */ |
| abstract class ForegroundToken implements IBinder.DeathRecipient { |
| int pid; |
| IBinder token; |
| } |
| final SparseArray<ForegroundToken> mForegroundProcesses |
| = new SparseArray<ForegroundToken>(); |
| |
| /** |
| * List of records for processes that someone had tried to start before the |
| * system was ready. We don't start them at that point, but ensure they |
| * are started by the time booting is complete. |
| */ |
| final ArrayList<ProcessRecord> mProcessesOnHold |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * List of persistent applications that are in the process |
| * of being started. |
| */ |
| final ArrayList<ProcessRecord> mPersistentStartingProcesses |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * Processes that are being forcibly torn down. |
| */ |
| final ArrayList<ProcessRecord> mRemovedProcesses |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * List of running applications, sorted by recent usage. |
| * The first entry in the list is the least recently used. |
| * It contains ApplicationRecord objects. This list does NOT include |
| * any persistent application records (since we never want to exit them). |
| */ |
| final ArrayList<ProcessRecord> mLruProcesses |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * List of processes that should gc as soon as things are idle. |
| */ |
| final ArrayList<ProcessRecord> mProcessesToGc |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * This is the process holding what we currently consider to be |
| * the "home" activity. |
| */ |
| ProcessRecord mHomeProcess; |
| |
| /** |
| * This is the process holding the activity the user last visited that |
| * is in a different process from the one they are currently in. |
| */ |
| ProcessRecord mPreviousProcess; |
| |
| /** |
| * The time at which the previous process was last visible. |
| */ |
| long mPreviousProcessVisibleTime; |
| |
| /** |
| * Which uses have been started, so are allowed to run code. |
| */ |
| final SparseArray<UserStartedState> mStartedUsers = new SparseArray<UserStartedState>(); |
| |
| /** |
| * LRU list of history of current users. Most recently current is at the end. |
| */ |
| final ArrayList<Integer> mUserLru = new ArrayList<Integer>(); |
| |
| /** |
| * Constant array of the users that are currently started. |
| */ |
| int[] mStartedUserArray = new int[] { 0 }; |
| |
| /** |
| * Registered observers of the user switching mechanics. |
| */ |
| final RemoteCallbackList<IUserSwitchObserver> mUserSwitchObservers |
| = new RemoteCallbackList<IUserSwitchObserver>(); |
| |
| /** |
| * Currently active user switch. |
| */ |
| Object mCurUserSwitchCallback; |
| |
| /** |
| * Packages that the user has asked to have run in screen size |
| * compatibility mode instead of filling the screen. |
| */ |
| final CompatModePackages mCompatModePackages; |
| |
| /** |
| * Set of IntentSenderRecord objects that are currently active. |
| */ |
| final HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>> mIntentSenderRecords |
| = new HashMap<PendingIntentRecord.Key, WeakReference<PendingIntentRecord>>(); |
| |
| /** |
| * Fingerprints (hashCode()) of stack traces that we've |
| * already logged DropBox entries for. Guarded by itself. If |
| * something (rogue user app) forces this over |
| * MAX_DUP_SUPPRESSED_STACKS entries, the contents are cleared. |
| */ |
| private final HashSet<Integer> mAlreadyLoggedViolatedStacks = new HashSet<Integer>(); |
| private static final int MAX_DUP_SUPPRESSED_STACKS = 5000; |
| |
| /** |
| * Strict Mode background batched logging state. |
| * |
| * The string buffer is guarded by itself, and its lock is also |
| * used to determine if another batched write is already |
| * in-flight. |
| */ |
| private final StringBuilder mStrictModeBuffer = new StringBuilder(); |
| |
| /** |
| * Keeps track of all IIntentReceivers that have been registered for |
| * broadcasts. Hash keys are the receiver IBinder, hash value is |
| * a ReceiverList. |
| */ |
| final HashMap<IBinder, ReceiverList> mRegisteredReceivers = |
| new HashMap<IBinder, ReceiverList>(); |
| |
| /** |
| * Resolver for broadcast intents to registered receivers. |
| * Holds BroadcastFilter (subclass of IntentFilter). |
| */ |
| final IntentResolver<BroadcastFilter, BroadcastFilter> mReceiverResolver |
| = new IntentResolver<BroadcastFilter, BroadcastFilter>() { |
| @Override |
| protected boolean allowFilterResult( |
| BroadcastFilter filter, List<BroadcastFilter> dest) { |
| IBinder target = filter.receiverList.receiver.asBinder(); |
| for (int i=dest.size()-1; i>=0; i--) { |
| if (dest.get(i).receiverList.receiver.asBinder() == target) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| protected BroadcastFilter newResult(BroadcastFilter filter, int match, int userId) { |
| if (userId == UserHandle.USER_ALL || filter.owningUserId == UserHandle.USER_ALL |
| || userId == filter.owningUserId) { |
| return super.newResult(filter, match, userId); |
| } |
| return null; |
| } |
| |
| @Override |
| protected BroadcastFilter[] newArray(int size) { |
| return new BroadcastFilter[size]; |
| } |
| |
| @Override |
| protected boolean isPackageForFilter(String packageName, BroadcastFilter filter) { |
| return packageName.equals(filter.packageName); |
| } |
| }; |
| |
| /** |
| * State of all active sticky broadcasts per user. Keys are the action of the |
| * sticky Intent, values are an ArrayList of all broadcasted intents with |
| * that action (which should usually be one). The SparseArray is keyed |
| * by the user ID the sticky is for, and can include UserHandle.USER_ALL |
| * for stickies that are sent to all users. |
| */ |
| final SparseArray<HashMap<String, ArrayList<Intent>>> mStickyBroadcasts = |
| new SparseArray<HashMap<String, ArrayList<Intent>>>(); |
| |
| final ActiveServices mServices; |
| |
| /** |
| * Backup/restore process management |
| */ |
| String mBackupAppName = null; |
| BackupRecord mBackupTarget = null; |
| |
| /** |
| * List of PendingThumbnailsRecord objects of clients who are still |
| * waiting to receive all of the thumbnails for a task. |
| */ |
| final ArrayList<PendingThumbnailsRecord> mPendingThumbnails = |
| new ArrayList<PendingThumbnailsRecord>(); |
| |
| final ProviderMap mProviderMap; |
| |
| /** |
| * List of content providers who have clients waiting for them. The |
| * application is currently being launched and the provider will be |
| * removed from this list once it is published. |
| */ |
| final ArrayList<ContentProviderRecord> mLaunchingProviders |
| = new ArrayList<ContentProviderRecord>(); |
| |
| /** |
| * File storing persisted {@link #mGrantedUriPermissions}. |
| */ |
| private final AtomicFile mGrantFile; |
| |
| /** XML constants used in {@link #mGrantFile} */ |
| private static final String TAG_URI_GRANTS = "uri-grants"; |
| private static final String TAG_URI_GRANT = "uri-grant"; |
| private static final String ATTR_USER_HANDLE = "userHandle"; |
| private static final String ATTR_SOURCE_PKG = "sourcePkg"; |
| private static final String ATTR_TARGET_PKG = "targetPkg"; |
| private static final String ATTR_URI = "uri"; |
| private static final String ATTR_MODE_FLAGS = "modeFlags"; |
| |
| /** |
| * Global set of specific {@link Uri} permissions that have been granted. |
| * This optimized lookup structure maps from {@link UriPermission#targetUid} |
| * to {@link UriPermission#uri} to {@link UriPermission}. |
| */ |
| @GuardedBy("this") |
| private final SparseArray<HashMap<Uri, UriPermission>> |
| mGrantedUriPermissions = new SparseArray<HashMap<Uri, UriPermission>>(); |
| |
| CoreSettingsObserver mCoreSettingsObserver; |
| |
| /** |
| * Thread-local storage used to carry caller permissions over through |
| * indirect content-provider access. |
| */ |
| private class Identity { |
| public int pid; |
| public int uid; |
| |
| Identity(int _pid, int _uid) { |
| pid = _pid; |
| uid = _uid; |
| } |
| } |
| |
| private static ThreadLocal<Identity> sCallerIdentity = new ThreadLocal<Identity>(); |
| |
| /** |
| * All information we have collected about the runtime performance of |
| * any user id that can impact battery performance. |
| */ |
| final BatteryStatsService mBatteryStatsService; |
| |
| /** |
| * Information about component usage |
| */ |
| final UsageStatsService mUsageStatsService; |
| |
| /** |
| * Information about and control over application operations |
| */ |
| final AppOpsService mAppOpsService; |
| |
| /** |
| * Current configuration information. HistoryRecord objects are given |
| * a reference to this object to indicate which configuration they are |
| * currently running in, so this object must be kept immutable. |
| */ |
| Configuration mConfiguration = new Configuration(); |
| |
| /** |
| * Current sequencing integer of the configuration, for skipping old |
| * configurations. |
| */ |
| int mConfigurationSeq = 0; |
| |
| /** |
| * Hardware-reported OpenGLES version. |
| */ |
| final int GL_ES_VERSION; |
| |
| /** |
| * List of initialization arguments to pass to all processes when binding applications to them. |
| * For example, references to the commonly used services. |
| */ |
| HashMap<String, IBinder> mAppBindArgs; |
| |
| /** |
| * Temporary to avoid allocations. Protected by main lock. |
| */ |
| final StringBuilder mStringBuilder = new StringBuilder(256); |
| |
| /** |
| * Used to control how we initialize the service. |
| */ |
| boolean mStartRunning = false; |
| ComponentName mTopComponent; |
| String mTopAction; |
| String mTopData; |
| boolean mProcessesReady = false; |
| boolean mSystemReady = false; |
| boolean mBooting = false; |
| boolean mWaitingUpdate = false; |
| boolean mDidUpdate = false; |
| boolean mOnBattery = false; |
| boolean mLaunchWarningShown = false; |
| |
| Context mContext; |
| |
| int mFactoryTest; |
| |
| boolean mCheckedForSetup; |
| |
| /** |
| * The time at which we will allow normal application switches again, |
| * after a call to {@link #stopAppSwitches()}. |
| */ |
| long mAppSwitchesAllowedTime; |
| |
| /** |
| * This is set to true after the first switch after mAppSwitchesAllowedTime |
| * is set; any switches after that will clear the time. |
| */ |
| boolean mDidAppSwitch; |
| |
| /** |
| * Last time (in realtime) at which we checked for power usage. |
| */ |
| long mLastPowerCheckRealtime; |
| |
| /** |
| * Last time (in uptime) at which we checked for power usage. |
| */ |
| long mLastPowerCheckUptime; |
| |
| /** |
| * Set while we are wanting to sleep, to prevent any |
| * activities from being started/resumed. |
| */ |
| boolean mSleeping = false; |
| |
| /** |
| * State of external calls telling us if the device is asleep. |
| */ |
| boolean mWentToSleep = false; |
| |
| /** |
| * State of external call telling us if the lock screen is shown. |
| */ |
| boolean mLockScreenShown = false; |
| |
| /** |
| * Set if we are shutting down the system, similar to sleeping. |
| */ |
| boolean mShuttingDown = false; |
| |
| /** |
| * Current sequence id for oom_adj computation traversal. |
| */ |
| int mAdjSeq = 0; |
| |
| /** |
| * Current sequence id for process LRU updating. |
| */ |
| int mLruSeq = 0; |
| |
| /** |
| * Keep track of the non-hidden/empty process we last found, to help |
| * determine how to distribute hidden/empty processes next time. |
| */ |
| int mNumNonHiddenProcs = 0; |
| |
| /** |
| * Keep track of the number of hidden procs, to balance oom adj |
| * distribution between those and empty procs. |
| */ |
| int mNumHiddenProcs = 0; |
| |
| /** |
| * Keep track of the number of service processes we last found, to |
| * determine on the next iteration which should be B services. |
| */ |
| int mNumServiceProcs = 0; |
| int mNewNumServiceProcs = 0; |
| |
| /** |
| * System monitoring: number of processes that died since the last |
| * N procs were started. |
| */ |
| int[] mProcDeaths = new int[20]; |
| |
| /** |
| * This is set if we had to do a delayed dexopt of an app before launching |
| * it, to increasing the ANR timeouts in that case. |
| */ |
| boolean mDidDexOpt; |
| |
| String mDebugApp = null; |
| boolean mWaitForDebugger = false; |
| boolean mDebugTransient = false; |
| String mOrigDebugApp = null; |
| boolean mOrigWaitForDebugger = false; |
| boolean mAlwaysFinishActivities = false; |
| IActivityController mController = null; |
| String mProfileApp = null; |
| ProcessRecord mProfileProc = null; |
| String mProfileFile; |
| ParcelFileDescriptor mProfileFd; |
| int mProfileType = 0; |
| boolean mAutoStopProfiler = false; |
| String mOpenGlTraceApp = null; |
| |
| static class ProcessChangeItem { |
| static final int CHANGE_ACTIVITIES = 1<<0; |
| static final int CHANGE_IMPORTANCE= 1<<1; |
| int changes; |
| int uid; |
| int pid; |
| int importance; |
| boolean foregroundActivities; |
| } |
| |
| final RemoteCallbackList<IProcessObserver> mProcessObservers |
| = new RemoteCallbackList<IProcessObserver>(); |
| ProcessChangeItem[] mActiveProcessChanges = new ProcessChangeItem[5]; |
| |
| final ArrayList<ProcessChangeItem> mPendingProcessChanges |
| = new ArrayList<ProcessChangeItem>(); |
| final ArrayList<ProcessChangeItem> mAvailProcessChanges |
| = new ArrayList<ProcessChangeItem>(); |
| |
| /** |
| * Runtime statistics collection thread. This object's lock is used to |
| * protect all related state. |
| */ |
| final Thread mProcessStatsThread; |
| |
| /** |
| * Used to collect process stats when showing not responding dialog. |
| * Protected by mProcessStatsThread. |
| */ |
| final ProcessStats mProcessStats = new ProcessStats( |
| MONITOR_THREAD_CPU_USAGE); |
| final AtomicLong mLastCpuTime = new AtomicLong(0); |
| final AtomicBoolean mProcessStatsMutexFree = new AtomicBoolean(true); |
| |
| long mLastWriteTime = 0; |
| |
| /** |
| * Used to retain an update lock when the foreground activity is in |
| * immersive mode. |
| */ |
| final UpdateLock mUpdateLock = new UpdateLock("immersive"); |
| |
| /** |
| * Set to true after the system has finished booting. |
| */ |
| boolean mBooted = false; |
| |
| int mProcessLimit = ProcessList.MAX_HIDDEN_APPS; |
| int mProcessLimitOverride = -1; |
| |
| WindowManagerService mWindowManager; |
| |
| static ActivityManagerService mSelf; |
| static ActivityThread mSystemThread; |
| |
| int mCurrentUserId = 0; |
| private UserManagerService mUserManager; |
| |
| private final class AppDeathRecipient implements IBinder.DeathRecipient { |
| final ProcessRecord mApp; |
| final int mPid; |
| final IApplicationThread mAppThread; |
| |
| AppDeathRecipient(ProcessRecord app, int pid, |
| IApplicationThread thread) { |
| if (localLOGV) Slog.v( |
| TAG, "New death recipient " + this |
| + " for thread " + thread.asBinder()); |
| mApp = app; |
| mPid = pid; |
| mAppThread = thread; |
| } |
| |
| @Override |
| public void binderDied() { |
| if (localLOGV) Slog.v( |
| TAG, "Death received in " + this |
| + " for thread " + mAppThread.asBinder()); |
| synchronized(ActivityManagerService.this) { |
| appDiedLocked(mApp, mPid, mAppThread); |
| } |
| } |
| } |
| |
| static final int SHOW_ERROR_MSG = 1; |
| static final int SHOW_NOT_RESPONDING_MSG = 2; |
| static final int SHOW_FACTORY_ERROR_MSG = 3; |
| static final int UPDATE_CONFIGURATION_MSG = 4; |
| static final int GC_BACKGROUND_PROCESSES_MSG = 5; |
| static final int WAIT_FOR_DEBUGGER_MSG = 6; |
| static final int SERVICE_TIMEOUT_MSG = 12; |
| static final int UPDATE_TIME_ZONE = 13; |
| static final int SHOW_UID_ERROR_MSG = 14; |
| static final int IM_FEELING_LUCKY_MSG = 15; |
| static final int PROC_START_TIMEOUT_MSG = 20; |
| static final int DO_PENDING_ACTIVITY_LAUNCHES_MSG = 21; |
| static final int KILL_APPLICATION_MSG = 22; |
| static final int FINALIZE_PENDING_INTENT_MSG = 23; |
| static final int POST_HEAVY_NOTIFICATION_MSG = 24; |
| static final int CANCEL_HEAVY_NOTIFICATION_MSG = 25; |
| static final int SHOW_STRICT_MODE_VIOLATION_MSG = 26; |
| static final int CHECK_EXCESSIVE_WAKE_LOCKS_MSG = 27; |
| static final int CLEAR_DNS_CACHE = 28; |
| static final int UPDATE_HTTP_PROXY = 29; |
| static final int SHOW_COMPAT_MODE_DIALOG_MSG = 30; |
| static final int DISPATCH_PROCESSES_CHANGED = 31; |
| static final int DISPATCH_PROCESS_DIED = 32; |
| static final int REPORT_MEM_USAGE = 33; |
| static final int REPORT_USER_SWITCH_MSG = 34; |
| static final int CONTINUE_USER_SWITCH_MSG = 35; |
| static final int USER_SWITCH_TIMEOUT_MSG = 36; |
| static final int IMMERSIVE_MODE_LOCK_MSG = 37; |
| static final int PERSIST_URI_GRANTS = 38; |
| static final int SET_FOCUSED_STACK = 39; |
| |
| static final int FIRST_ACTIVITY_STACK_MSG = 100; |
| static final int FIRST_BROADCAST_QUEUE_MSG = 200; |
| static final int FIRST_COMPAT_MODE_MSG = 300; |
| static final int FIRST_SUPERVISOR_STACK_MSG = 100; |
| |
| AlertDialog mUidAlert; |
| CompatModeDialog mCompatModeDialog; |
| long mLastMemUsageReportTime = 0; |
| |
| /** |
| * Flag whether the current user is a "monkey", i.e. whether |
| * the UI is driven by a UI automation tool. |
| */ |
| private boolean mUserIsMonkey; |
| |
| final Handler mHandler = new Handler() { |
| //public Handler() { |
| // if (localLOGV) Slog.v(TAG, "Handler started!"); |
| //} |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case SHOW_ERROR_MSG: { |
| HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; |
| boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), |
| Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; |
| synchronized (ActivityManagerService.this) { |
| ProcessRecord proc = (ProcessRecord)data.get("app"); |
| AppErrorResult res = (AppErrorResult) data.get("result"); |
| if (proc != null && proc.crashDialog != null) { |
| Slog.e(TAG, "App already has crash dialog: " + proc); |
| if (res != null) { |
| res.set(0); |
| } |
| return; |
| } |
| if (!showBackground && UserHandle.getAppId(proc.uid) |
| >= Process.FIRST_APPLICATION_UID && proc.userId != mCurrentUserId |
| && proc.pid != MY_PID) { |
| Slog.w(TAG, "Skipping crash dialog of " + proc + ": background"); |
| if (res != null) { |
| res.set(0); |
| } |
| return; |
| } |
| if (mShowDialogs && !mSleeping && !mShuttingDown) { |
| Dialog d = new AppErrorDialog(mContext, |
| ActivityManagerService.this, res, proc); |
| d.show(); |
| proc.crashDialog = d; |
| } else { |
| // The device is asleep, so just pretend that the user |
| // saw a crash dialog and hit "force quit". |
| if (res != null) { |
| res.set(0); |
| } |
| } |
| } |
| |
| ensureBootCompleted(); |
| } break; |
| case SHOW_NOT_RESPONDING_MSG: { |
| synchronized (ActivityManagerService.this) { |
| HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; |
| ProcessRecord proc = (ProcessRecord)data.get("app"); |
| if (proc != null && proc.anrDialog != null) { |
| Slog.e(TAG, "App already has anr dialog: " + proc); |
| return; |
| } |
| |
| Intent intent = new Intent("android.intent.action.ANR"); |
| if (!mProcessesReady) { |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| } |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, 0 /* TODO: Verify */); |
| |
| if (mShowDialogs) { |
| Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, |
| mContext, proc, (ActivityRecord)data.get("activity"), |
| msg.arg1 != 0); |
| d.show(); |
| proc.anrDialog = d; |
| } else { |
| // Just kill the app if there is no dialog to be shown. |
| killAppAtUsersRequest(proc, null); |
| } |
| } |
| |
| ensureBootCompleted(); |
| } break; |
| case SHOW_STRICT_MODE_VIOLATION_MSG: { |
| HashMap<String, Object> data = (HashMap<String, Object>) msg.obj; |
| synchronized (ActivityManagerService.this) { |
| ProcessRecord proc = (ProcessRecord) data.get("app"); |
| if (proc == null) { |
| Slog.e(TAG, "App not found when showing strict mode dialog."); |
| break; |
| } |
| if (proc.crashDialog != null) { |
| Slog.e(TAG, "App already has strict mode dialog: " + proc); |
| return; |
| } |
| AppErrorResult res = (AppErrorResult) data.get("result"); |
| if (mShowDialogs && !mSleeping && !mShuttingDown) { |
| Dialog d = new StrictModeViolationDialog(mContext, |
| ActivityManagerService.this, res, proc); |
| d.show(); |
| proc.crashDialog = d; |
| } else { |
| // The device is asleep, so just pretend that the user |
| // saw a crash dialog and hit "force quit". |
| res.set(0); |
| } |
| } |
| ensureBootCompleted(); |
| } break; |
| case SHOW_FACTORY_ERROR_MSG: { |
| Dialog d = new FactoryErrorDialog( |
| mContext, msg.getData().getCharSequence("msg")); |
| d.show(); |
| ensureBootCompleted(); |
| } break; |
| case UPDATE_CONFIGURATION_MSG: { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| Settings.System.putConfiguration(resolver, (Configuration)msg.obj); |
| } break; |
| case GC_BACKGROUND_PROCESSES_MSG: { |
| synchronized (ActivityManagerService.this) { |
| performAppGcsIfAppropriateLocked(); |
| } |
| } break; |
| case WAIT_FOR_DEBUGGER_MSG: { |
| synchronized (ActivityManagerService.this) { |
| ProcessRecord app = (ProcessRecord)msg.obj; |
| if (msg.arg1 != 0) { |
| if (!app.waitedForDebugger) { |
| Dialog d = new AppWaitingForDebuggerDialog( |
| ActivityManagerService.this, |
| mContext, app); |
| app.waitDialog = d; |
| app.waitedForDebugger = true; |
| d.show(); |
| } |
| } else { |
| if (app.waitDialog != null) { |
| app.waitDialog.dismiss(); |
| app.waitDialog = null; |
| } |
| } |
| } |
| } break; |
| case SERVICE_TIMEOUT_MSG: { |
| if (mDidDexOpt) { |
| mDidDexOpt = false; |
| Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| nmsg.obj = msg.obj; |
| mHandler.sendMessageDelayed(nmsg, ActiveServices.SERVICE_TIMEOUT); |
| return; |
| } |
| mServices.serviceTimeout((ProcessRecord)msg.obj); |
| } break; |
| case UPDATE_TIME_ZONE: { |
| synchronized (ActivityManagerService.this) { |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null) { |
| try { |
| r.thread.updateTimeZone(); |
| } catch (RemoteException ex) { |
| Slog.w(TAG, "Failed to update time zone for: " + r.info.processName); |
| } |
| } |
| } |
| } |
| } break; |
| case CLEAR_DNS_CACHE: { |
| synchronized (ActivityManagerService.this) { |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null) { |
| try { |
| r.thread.clearDnsCache(); |
| } catch (RemoteException ex) { |
| Slog.w(TAG, "Failed to clear dns cache for: " + r.info.processName); |
| } |
| } |
| } |
| } |
| } break; |
| case UPDATE_HTTP_PROXY: { |
| ProxyProperties proxy = (ProxyProperties)msg.obj; |
| String host = ""; |
| String port = ""; |
| String exclList = ""; |
| if (proxy != null) { |
| host = proxy.getHost(); |
| port = Integer.toString(proxy.getPort()); |
| exclList = proxy.getExclusionList(); |
| } |
| synchronized (ActivityManagerService.this) { |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null) { |
| try { |
| r.thread.setHttpProxy(host, port, exclList); |
| } catch (RemoteException ex) { |
| Slog.w(TAG, "Failed to update http proxy for: " + |
| r.info.processName); |
| } |
| } |
| } |
| } |
| } break; |
| case SHOW_UID_ERROR_MSG: { |
| String title = "System UIDs Inconsistent"; |
| String text = "UIDs on the system are inconsistent, you need to wipe your" |
| + " data partition or your device will be unstable."; |
| Log.e(TAG, title + ": " + text); |
| if (mShowDialogs) { |
| // XXX This is a temporary dialog, no need to localize. |
| AlertDialog d = new BaseErrorDialog(mContext); |
| d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR); |
| d.setCancelable(false); |
| d.setTitle(title); |
| d.setMessage(text); |
| d.setButton(DialogInterface.BUTTON_POSITIVE, "I'm Feeling Lucky", |
| mHandler.obtainMessage(IM_FEELING_LUCKY_MSG)); |
| mUidAlert = d; |
| d.show(); |
| } |
| } break; |
| case IM_FEELING_LUCKY_MSG: { |
| if (mUidAlert != null) { |
| mUidAlert.dismiss(); |
| mUidAlert = null; |
| } |
| } break; |
| case PROC_START_TIMEOUT_MSG: { |
| if (mDidDexOpt) { |
| mDidDexOpt = false; |
| Message nmsg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); |
| nmsg.obj = msg.obj; |
| mHandler.sendMessageDelayed(nmsg, PROC_START_TIMEOUT); |
| return; |
| } |
| ProcessRecord app = (ProcessRecord)msg.obj; |
| synchronized (ActivityManagerService.this) { |
| processStartTimedOutLocked(app); |
| } |
| } break; |
| case DO_PENDING_ACTIVITY_LAUNCHES_MSG: { |
| synchronized (ActivityManagerService.this) { |
| doPendingActivityLaunchesLocked(true); |
| } |
| } break; |
| case KILL_APPLICATION_MSG: { |
| synchronized (ActivityManagerService.this) { |
| int appid = msg.arg1; |
| boolean restart = (msg.arg2 == 1); |
| String pkg = (String) msg.obj; |
| forceStopPackageLocked(pkg, appid, restart, false, true, false, |
| UserHandle.USER_ALL); |
| } |
| } break; |
| case FINALIZE_PENDING_INTENT_MSG: { |
| ((PendingIntentRecord)msg.obj).completeFinalize(); |
| } break; |
| case POST_HEAVY_NOTIFICATION_MSG: { |
| INotificationManager inm = NotificationManager.getService(); |
| if (inm == null) { |
| return; |
| } |
| |
| ActivityRecord root = (ActivityRecord)msg.obj; |
| ProcessRecord process = root.app; |
| if (process == null) { |
| return; |
| } |
| |
| try { |
| Context context = mContext.createPackageContext(process.info.packageName, 0); |
| String text = mContext.getString(R.string.heavy_weight_notification, |
| context.getApplicationInfo().loadLabel(context.getPackageManager())); |
| Notification notification = new Notification(); |
| notification.icon = com.android.internal.R.drawable.stat_sys_adb; //context.getApplicationInfo().icon; |
| notification.when = 0; |
| notification.flags = Notification.FLAG_ONGOING_EVENT; |
| notification.tickerText = text; |
| notification.defaults = 0; // please be quiet |
| notification.sound = null; |
| notification.vibrate = null; |
| notification.setLatestEventInfo(context, text, |
| mContext.getText(R.string.heavy_weight_notification_detail), |
| PendingIntent.getActivityAsUser(mContext, 0, root.intent, |
| PendingIntent.FLAG_CANCEL_CURRENT, null, |
| new UserHandle(root.userId))); |
| |
| try { |
| int[] outId = new int[1]; |
| inm.enqueueNotificationWithTag("android", "android", null, |
| R.string.heavy_weight_notification, |
| notification, outId, root.userId); |
| } catch (RuntimeException e) { |
| Slog.w(ActivityManagerService.TAG, |
| "Error showing notification for heavy-weight app", e); |
| } catch (RemoteException e) { |
| } |
| } catch (NameNotFoundException e) { |
| Slog.w(TAG, "Unable to create context for heavy notification", e); |
| } |
| } break; |
| case CANCEL_HEAVY_NOTIFICATION_MSG: { |
| INotificationManager inm = NotificationManager.getService(); |
| if (inm == null) { |
| return; |
| } |
| try { |
| inm.cancelNotificationWithTag("android", null, |
| R.string.heavy_weight_notification, msg.arg1); |
| } catch (RuntimeException e) { |
| Slog.w(ActivityManagerService.TAG, |
| "Error canceling notification for service", e); |
| } catch (RemoteException e) { |
| } |
| } break; |
| case CHECK_EXCESSIVE_WAKE_LOCKS_MSG: { |
| synchronized (ActivityManagerService.this) { |
| checkExcessivePowerUsageLocked(true); |
| removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); |
| Message nmsg = obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); |
| sendMessageDelayed(nmsg, POWER_CHECK_DELAY); |
| } |
| } break; |
| case SHOW_COMPAT_MODE_DIALOG_MSG: { |
| synchronized (ActivityManagerService.this) { |
| ActivityRecord ar = (ActivityRecord)msg.obj; |
| if (mCompatModeDialog != null) { |
| if (mCompatModeDialog.mAppInfo.packageName.equals( |
| ar.info.applicationInfo.packageName)) { |
| return; |
| } |
| mCompatModeDialog.dismiss(); |
| mCompatModeDialog = null; |
| } |
| if (ar != null && false) { |
| if (mCompatModePackages.getPackageAskCompatModeLocked( |
| ar.packageName)) { |
| int mode = mCompatModePackages.computeCompatModeLocked( |
| ar.info.applicationInfo); |
| if (mode == ActivityManager.COMPAT_MODE_DISABLED |
| || mode == ActivityManager.COMPAT_MODE_ENABLED) { |
| mCompatModeDialog = new CompatModeDialog( |
| ActivityManagerService.this, mContext, |
| ar.info.applicationInfo); |
| mCompatModeDialog.show(); |
| } |
| } |
| } |
| } |
| break; |
| } |
| case DISPATCH_PROCESSES_CHANGED: { |
| dispatchProcessesChanged(); |
| break; |
| } |
| case DISPATCH_PROCESS_DIED: { |
| final int pid = msg.arg1; |
| final int uid = msg.arg2; |
| dispatchProcessDied(pid, uid); |
| break; |
| } |
| case REPORT_MEM_USAGE: { |
| boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); |
| if (!isDebuggable) { |
| return; |
| } |
| synchronized (ActivityManagerService.this) { |
| long now = SystemClock.uptimeMillis(); |
| if (now < (mLastMemUsageReportTime+5*60*1000)) { |
| // Don't report more than every 5 minutes to somewhat |
| // avoid spamming. |
| return; |
| } |
| mLastMemUsageReportTime = now; |
| } |
| Thread thread = new Thread() { |
| @Override public void run() { |
| StringBuilder dropBuilder = new StringBuilder(1024); |
| StringBuilder logBuilder = new StringBuilder(1024); |
| StringWriter oomSw = new StringWriter(); |
| PrintWriter oomPw = new PrintWriter(oomSw); |
| StringWriter catSw = new StringWriter(); |
| PrintWriter catPw = new PrintWriter(catSw); |
| String[] emptyArgs = new String[] { }; |
| StringBuilder tag = new StringBuilder(128); |
| StringBuilder stack = new StringBuilder(128); |
| tag.append("Low on memory -- "); |
| dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw, |
| tag, stack); |
| dropBuilder.append(stack); |
| dropBuilder.append('\n'); |
| dropBuilder.append('\n'); |
| String oomString = oomSw.toString(); |
| dropBuilder.append(oomString); |
| dropBuilder.append('\n'); |
| logBuilder.append(oomString); |
| try { |
| java.lang.Process proc = Runtime.getRuntime().exec(new String[] { |
| "procrank", }); |
| final InputStreamReader converter = new InputStreamReader( |
| proc.getInputStream()); |
| BufferedReader in = new BufferedReader(converter); |
| String line; |
| while (true) { |
| line = in.readLine(); |
| if (line == null) { |
| break; |
| } |
| if (line.length() > 0) { |
| logBuilder.append(line); |
| logBuilder.append('\n'); |
| } |
| dropBuilder.append(line); |
| dropBuilder.append('\n'); |
| } |
| converter.close(); |
| } catch (IOException e) { |
| } |
| synchronized (ActivityManagerService.this) { |
| catPw.println(); |
| dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null); |
| catPw.println(); |
| mServices.dumpServicesLocked(null, catPw, emptyArgs, 0, |
| false, false, null); |
| catPw.println(); |
| dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null); |
| } |
| dropBuilder.append(catSw.toString()); |
| addErrorToDropBox("lowmem", null, "system_server", null, |
| null, tag.toString(), dropBuilder.toString(), null, null); |
| Slog.i(TAG, logBuilder.toString()); |
| synchronized (ActivityManagerService.this) { |
| long now = SystemClock.uptimeMillis(); |
| if (mLastMemUsageReportTime < now) { |
| mLastMemUsageReportTime = now; |
| } |
| } |
| } |
| }; |
| thread.start(); |
| break; |
| } |
| case REPORT_USER_SWITCH_MSG: { |
| dispatchUserSwitch((UserStartedState)msg.obj, msg.arg1, msg.arg2); |
| break; |
| } |
| case CONTINUE_USER_SWITCH_MSG: { |
| continueUserSwitch((UserStartedState)msg.obj, msg.arg1, msg.arg2); |
| break; |
| } |
| case USER_SWITCH_TIMEOUT_MSG: { |
| timeoutUserSwitch((UserStartedState)msg.obj, msg.arg1, msg.arg2); |
| break; |
| } |
| case IMMERSIVE_MODE_LOCK_MSG: { |
| final boolean nextState = (msg.arg1 != 0); |
| if (mUpdateLock.isHeld() != nextState) { |
| if (DEBUG_IMMERSIVE) { |
| final ActivityRecord r = (ActivityRecord) msg.obj; |
| Slog.d(TAG, "Applying new update lock state '" + nextState + "' for " + r); |
| } |
| if (nextState) { |
| mUpdateLock.acquire(); |
| } else { |
| mUpdateLock.release(); |
| } |
| } |
| break; |
| } |
| case PERSIST_URI_GRANTS: { |
| writeGrantedUriPermissions(); |
| break; |
| } |
| case SET_FOCUSED_STACK: { |
| synchronized (ActivityManagerService.this) { |
| ActivityStack stack = mStackSupervisor.getStack(msg.arg1); |
| if (stack != null) { |
| ActivityRecord r = stack.topRunningActivityLocked(null); |
| if (r != null) { |
| setFocusedActivityLocked(r); |
| } |
| } |
| } |
| break; |
| } |
| } |
| } |
| }; |
| |
| public static void setSystemProcess() { |
| try { |
| ActivityManagerService m = mSelf; |
| |
| ServiceManager.addService("activity", m, true); |
| ServiceManager.addService("meminfo", new MemBinder(m)); |
| ServiceManager.addService("gfxinfo", new GraphicsBinder(m)); |
| ServiceManager.addService("dbinfo", new DbBinder(m)); |
| if (MONITOR_CPU_USAGE) { |
| ServiceManager.addService("cpuinfo", new CpuBinder(m)); |
| } |
| ServiceManager.addService("permission", new PermissionController(m)); |
| |
| ApplicationInfo info = |
| mSelf.mContext.getPackageManager().getApplicationInfo( |
| "android", STOCK_PM_FLAGS); |
| mSystemThread.installSystemApplicationInfo(info); |
| |
| synchronized (mSelf) { |
| ProcessRecord app = mSelf.newProcessRecordLocked( |
| mSystemThread.getApplicationThread(), info, |
| info.processName, false); |
| app.persistent = true; |
| app.pid = MY_PID; |
| app.maxAdj = ProcessList.SYSTEM_ADJ; |
| mSelf.mProcessNames.put(app.processName, app.uid, app); |
| synchronized (mSelf.mPidsSelfLocked) { |
| mSelf.mPidsSelfLocked.put(app.pid, app); |
| } |
| mSelf.updateLruProcessLocked(app, true); |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new RuntimeException( |
| "Unable to find android system package", e); |
| } |
| } |
| |
| public void setWindowManager(WindowManagerService wm) { |
| mWindowManager = wm; |
| mStackSupervisor.setWindowManager(wm); |
| wm.createStack(HOME_STACK_ID, -1, StackBox.TASK_STACK_GOES_OVER, 1.0f); |
| } |
| |
| public void startObservingNativeCrashes() { |
| final NativeCrashListener ncl = new NativeCrashListener(); |
| ncl.start(); |
| } |
| |
| public static final Context main(int factoryTest) { |
| AThread thr = new AThread(); |
| thr.start(); |
| |
| synchronized (thr) { |
| while (thr.mService == null) { |
| try { |
| thr.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| |
| ActivityManagerService m = thr.mService; |
| mSelf = m; |
| ActivityThread at = ActivityThread.systemMain(); |
| mSystemThread = at; |
| Context context = at.getSystemContext(); |
| context.setTheme(android.R.style.Theme_Holo); |
| m.mContext = context; |
| m.mFactoryTest = factoryTest; |
| m.mIntentFirewall = new IntentFirewall(m.new IntentFirewallInterface()); |
| |
| m.mStackSupervisor = new ActivityStackSupervisor(m, context, thr.mLooper); |
| |
| m.mBatteryStatsService.publish(context); |
| m.mUsageStatsService.publish(context); |
| m.mAppOpsService.publish(context); |
| |
| synchronized (thr) { |
| thr.mReady = true; |
| thr.notifyAll(); |
| } |
| |
| m.startRunning(null, null, null, null); |
| |
| return context; |
| } |
| |
| public static ActivityManagerService self() { |
| return mSelf; |
| } |
| |
| static class AThread extends Thread { |
| ActivityManagerService mService; |
| Looper mLooper; |
| boolean mReady = false; |
| |
| public AThread() { |
| super("ActivityManager"); |
| } |
| |
| @Override |
| public void run() { |
| Looper.prepare(); |
| |
| android.os.Process.setThreadPriority( |
| android.os.Process.THREAD_PRIORITY_FOREGROUND); |
| android.os.Process.setCanSelfBackground(false); |
| |
| ActivityManagerService m = new ActivityManagerService(); |
| |
| synchronized (this) { |
| mService = m; |
| mLooper = Looper.myLooper(); |
| notifyAll(); |
| } |
| |
| synchronized (this) { |
| while (!mReady) { |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| |
| // For debug builds, log event loop stalls to dropbox for analysis. |
| if (StrictMode.conditionallyEnableDebugLogging()) { |
| Slog.i(TAG, "Enabled StrictMode logging for AThread's Looper"); |
| } |
| |
| Looper.loop(); |
| } |
| } |
| |
| static class MemBinder extends Binder { |
| ActivityManagerService mActivityManagerService; |
| MemBinder(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump meminfo from from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() |
| + " without permission " + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, |
| false, null, null, null); |
| } |
| } |
| |
| static class GraphicsBinder extends Binder { |
| ActivityManagerService mActivityManagerService; |
| GraphicsBinder(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump gfxinfo from from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() |
| + " without permission " + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args); |
| } |
| } |
| |
| static class DbBinder extends Binder { |
| ActivityManagerService mActivityManagerService; |
| DbBinder(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump dbinfo from from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() |
| + " without permission " + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| mActivityManagerService.dumpDbInfo(fd, pw, args); |
| } |
| } |
| |
| static class CpuBinder extends Binder { |
| ActivityManagerService mActivityManagerService; |
| CpuBinder(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump cpuinfo from from pid=" |
| + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() |
| + " without permission " + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| synchronized (mActivityManagerService.mProcessStatsThread) { |
| pw.print(mActivityManagerService.mProcessStats.printCurrentLoad()); |
| pw.print(mActivityManagerService.mProcessStats.printCurrentState( |
| SystemClock.uptimeMillis())); |
| } |
| } |
| } |
| |
| private ActivityManagerService() { |
| Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass()); |
| |
| mFgBroadcastQueue = new BroadcastQueue(this, "foreground", BROADCAST_FG_TIMEOUT); |
| mBgBroadcastQueue = new BroadcastQueue(this, "background", BROADCAST_BG_TIMEOUT); |
| mBroadcastQueues[0] = mFgBroadcastQueue; |
| mBroadcastQueues[1] = mBgBroadcastQueue; |
| |
| mServices = new ActiveServices(this); |
| mProviderMap = new ProviderMap(this); |
| |
| File dataDir = Environment.getDataDirectory(); |
| File systemDir = new File(dataDir, "system"); |
| systemDir.mkdirs(); |
| mBatteryStatsService = new BatteryStatsService(new File( |
| systemDir, "batterystats.bin").toString()); |
| mBatteryStatsService.getActiveStatistics().readLocked(); |
| mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); |
| mOnBattery = DEBUG_POWER ? true |
| : mBatteryStatsService.getActiveStatistics().getIsOnBattery(); |
| mBatteryStatsService.getActiveStatistics().setCallback(this); |
| |
| mUsageStatsService = new UsageStatsService(new File( |
| systemDir, "usagestats").toString()); |
| mAppOpsService = new AppOpsService(new File(systemDir, "appops.xml")); |
| |
| mGrantFile = new AtomicFile(new File(systemDir, "urigrants.xml")); |
| |
| mHeadless = "1".equals(SystemProperties.get("ro.config.headless", "0")); |
| |
| // User 0 is the first and only user that runs at boot. |
| mStartedUsers.put(0, new UserStartedState(new UserHandle(0), true)); |
| mUserLru.add(Integer.valueOf(0)); |
| updateStartedUserArrayLocked(); |
| |
| GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", |
| ConfigurationInfo.GL_ES_VERSION_UNDEFINED); |
| |
| mConfiguration.setToDefaults(); |
| mConfiguration.setLocale(Locale.getDefault()); |
| |
| mConfigurationSeq = mConfiguration.seq = 1; |
| mProcessStats.init(); |
| |
| mCompatModePackages = new CompatModePackages(this, systemDir); |
| |
| // Add ourself to the Watchdog monitors. |
| Watchdog.getInstance().addMonitor(this); |
| |
| mProcessStatsThread = new Thread("ProcessStats") { |
| @Override |
| public void run() { |
| while (true) { |
| try { |
| try { |
| synchronized(this) { |
| final long now = SystemClock.uptimeMillis(); |
| long nextCpuDelay = (mLastCpuTime.get()+MONITOR_CPU_MAX_TIME)-now; |
| long nextWriteDelay = (mLastWriteTime+BATTERY_STATS_TIME)-now; |
| //Slog.i(TAG, "Cpu delay=" + nextCpuDelay |
| // + ", write delay=" + nextWriteDelay); |
| if (nextWriteDelay < nextCpuDelay) { |
| nextCpuDelay = nextWriteDelay; |
| } |
| if (nextCpuDelay > 0) { |
| mProcessStatsMutexFree.set(true); |
| this.wait(nextCpuDelay); |
| } |
| } |
| } catch (InterruptedException e) { |
| } |
| updateCpuStatsNow(); |
| } catch (Exception e) { |
| Slog.e(TAG, "Unexpected exception collecting process stats", e); |
| } |
| } |
| } |
| }; |
| mProcessStatsThread.start(); |
| } |
| |
| @Override |
| public boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| throws RemoteException { |
| if (code == SYSPROPS_TRANSACTION) { |
| // We need to tell all apps about the system property change. |
| ArrayList<IBinder> procs = new ArrayList<IBinder>(); |
| synchronized(this) { |
| for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| final int NA = apps.size(); |
| for (int ia=0; ia<NA; ia++) { |
| ProcessRecord app = apps.valueAt(ia); |
| if (app.thread != null) { |
| procs.add(app.thread.asBinder()); |
| } |
| } |
| } |
| } |
| |
| int N = procs.size(); |
| for (int i=0; i<N; i++) { |
| Parcel data2 = Parcel.obtain(); |
| try { |
| procs.get(i).transact(IBinder.SYSPROPS_TRANSACTION, data2, null, 0); |
| } catch (RemoteException e) { |
| } |
| data2.recycle(); |
| } |
| } |
| try { |
| return super.onTransact(code, data, reply, flags); |
| } catch (RuntimeException e) { |
| // The activity manager only throws security exceptions, so let's |
| // log all others. |
| if (!(e instanceof SecurityException)) { |
| Slog.e(TAG, "Activity Manager Crash", e); |
| } |
| throw e; |
| } |
| } |
| |
| void updateCpuStats() { |
| final long now = SystemClock.uptimeMillis(); |
| if (mLastCpuTime.get() >= now - MONITOR_CPU_MIN_TIME) { |
| return; |
| } |
| if (mProcessStatsMutexFree.compareAndSet(true, false)) { |
| synchronized (mProcessStatsThread) { |
| mProcessStatsThread.notify(); |
| } |
| } |
| } |
| |
| void updateCpuStatsNow() { |
| synchronized (mProcessStatsThread) { |
| mProcessStatsMutexFree.set(false); |
| final long now = SystemClock.uptimeMillis(); |
| boolean haveNewCpuStats = false; |
| |
| if (MONITOR_CPU_USAGE && |
| mLastCpuTime.get() < (now-MONITOR_CPU_MIN_TIME)) { |
| mLastCpuTime.set(now); |
| haveNewCpuStats = true; |
| mProcessStats.update(); |
| //Slog.i(TAG, mProcessStats.printCurrentState()); |
| //Slog.i(TAG, "Total CPU usage: " |
| // + mProcessStats.getTotalCpuPercent() + "%"); |
| |
| // Slog the cpu usage if the property is set. |
| if ("true".equals(SystemProperties.get("events.cpu"))) { |
| int user = mProcessStats.getLastUserTime(); |
| int system = mProcessStats.getLastSystemTime(); |
| int iowait = mProcessStats.getLastIoWaitTime(); |
| int irq = mProcessStats.getLastIrqTime(); |
| int softIrq = mProcessStats.getLastSoftIrqTime(); |
| int idle = mProcessStats.getLastIdleTime(); |
| |
| int total = user + system + iowait + irq + softIrq + idle; |
| if (total == 0) total = 1; |
| |
| EventLog.writeEvent(EventLogTags.CPU, |
| ((user+system+iowait+irq+softIrq) * 100) / total, |
| (user * 100) / total, |
| (system * 100) / total, |
| (iowait * 100) / total, |
| (irq * 100) / total, |
| (softIrq * 100) / total); |
| } |
| } |
| |
| long[] cpuSpeedTimes = mProcessStats.getLastCpuSpeedTimes(); |
| final BatteryStatsImpl bstats = mBatteryStatsService.getActiveStatistics(); |
| synchronized(bstats) { |
| synchronized(mPidsSelfLocked) { |
| if (haveNewCpuStats) { |
| if (mOnBattery) { |
| int perc = bstats.startAddingCpuLocked(); |
| int totalUTime = 0; |
| int totalSTime = 0; |
| final int N = mProcessStats.countStats(); |
| for (int i=0; i<N; i++) { |
| ProcessStats.Stats st = mProcessStats.getStats(i); |
| if (!st.working) { |
| continue; |
| } |
| ProcessRecord pr = mPidsSelfLocked.get(st.pid); |
| int otherUTime = (st.rel_utime*perc)/100; |
| int otherSTime = (st.rel_stime*perc)/100; |
| totalUTime += otherUTime; |
| totalSTime += otherSTime; |
| if (pr != null) { |
| BatteryStatsImpl.Uid.Proc ps = pr.batteryStats; |
| ps.addCpuTimeLocked(st.rel_utime-otherUTime, |
| st.rel_stime-otherSTime); |
| ps.addSpeedStepTimes(cpuSpeedTimes); |
| pr.curCpuTime += (st.rel_utime+st.rel_stime) * 10; |
| } else { |
| BatteryStatsImpl.Uid.Proc ps = |
| bstats.getProcessStatsLocked(st.name, st.pid); |
| if (ps != null) { |
| ps.addCpuTimeLocked(st.rel_utime-otherUTime, |
| st.rel_stime-otherSTime); |
| ps.addSpeedStepTimes(cpuSpeedTimes); |
| } |
| } |
| } |
| bstats.finishAddingCpuLocked(perc, totalUTime, |
| totalSTime, cpuSpeedTimes); |
| } |
| } |
| } |
| |
| if (mLastWriteTime < (now-BATTERY_STATS_TIME)) { |
| mLastWriteTime = now; |
| mBatteryStatsService.getActiveStatistics().writeAsyncLocked(); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void batteryNeedsCpuUpdate() { |
| updateCpuStatsNow(); |
| } |
| |
| @Override |
| public void batteryPowerChanged(boolean onBattery) { |
| // When plugging in, update the CPU stats first before changing |
| // the plug state. |
| updateCpuStatsNow(); |
| synchronized (this) { |
| synchronized(mPidsSelfLocked) { |
| mOnBattery = DEBUG_POWER ? true : onBattery; |
| } |
| } |
| } |
| |
| /** |
| * Initialize the application bind args. These are passed to each |
| * process when the bindApplication() IPC is sent to the process. They're |
| * lazily setup to make sure the services are running when they're asked for. |
| */ |
| private HashMap<String, IBinder> getCommonServicesLocked() { |
| if (mAppBindArgs == null) { |
| mAppBindArgs = new HashMap<String, IBinder>(); |
| |
| // Setup the application init args |
| mAppBindArgs.put("package", ServiceManager.getService("package")); |
| mAppBindArgs.put("window", ServiceManager.getService("window")); |
| mAppBindArgs.put(Context.ALARM_SERVICE, |
| ServiceManager.getService(Context.ALARM_SERVICE)); |
| } |
| return mAppBindArgs; |
| } |
| |
| final void setFocusedActivityLocked(ActivityRecord r) { |
| if (mFocusedActivity != r) { |
| mFocusedActivity = r; |
| mStackSupervisor.setFocusedStack(r); |
| if (r != null) { |
| mWindowManager.setFocusedApp(r.appToken, true); |
| } |
| applyUpdateLockStateLocked(r); |
| } |
| } |
| |
| @Override |
| public void setFocusedStack(int stackId) { |
| mHandler.obtainMessage(SET_FOCUSED_STACK, stackId, 0).sendToTarget(); |
| } |
| |
| final void applyUpdateLockStateLocked(ActivityRecord r) { |
| // Modifications to the UpdateLock state are done on our handler, outside |
| // the activity manager's locks. The new state is determined based on the |
| // state *now* of the relevant activity record. The object is passed to |
| // the handler solely for logging detail, not to be consulted/modified. |
| final boolean nextState = r != null && r.immersive; |
| mHandler.sendMessage( |
| mHandler.obtainMessage(IMMERSIVE_MODE_LOCK_MSG, (nextState) ? 1 : 0, 0, r)); |
| } |
| |
| final void showAskCompatModeDialogLocked(ActivityRecord r) { |
| Message msg = Message.obtain(); |
| msg.what = SHOW_COMPAT_MODE_DIALOG_MSG; |
| msg.obj = r.task.askedCompatMode ? null : r; |
| mHandler.sendMessage(msg); |
| } |
| |
| private final void updateLruProcessInternalLocked(ProcessRecord app, int bestPos) { |
| // put it on the LRU to keep track of when it should be exited. |
| int lrui = mLruProcesses.indexOf(app); |
| if (lrui >= 0) mLruProcesses.remove(lrui); |
| |
| int i = mLruProcesses.size()-1; |
| int skipTop = 0; |
| |
| app.lruSeq = mLruSeq; |
| |
| // compute the new weight for this process. |
| app.lastActivityTime = SystemClock.uptimeMillis(); |
| if (app.activities.size() > 0) { |
| // If this process has activities, we more strongly want to keep |
| // it around. |
| app.lruWeight = app.lastActivityTime; |
| } else if (app.pubProviders.size() > 0) { |
| // If this process contains content providers, we want to keep |
| // it a little more strongly. |
| app.lruWeight = app.lastActivityTime - ProcessList.CONTENT_APP_IDLE_OFFSET; |
| // Also don't let it kick out the first few "real" hidden processes. |
| skipTop = ProcessList.MIN_HIDDEN_APPS; |
| } else { |
| // If this process doesn't have activities, we less strongly |
| // want to keep it around, and generally want to avoid getting |
| // in front of any very recently used activities. |
| app.lruWeight = app.lastActivityTime - ProcessList.EMPTY_APP_IDLE_OFFSET; |
| // Also don't let it kick out the first few "real" hidden processes. |
| skipTop = ProcessList.MIN_HIDDEN_APPS; |
| } |
| |
| while (i >= 0) { |
| ProcessRecord p = mLruProcesses.get(i); |
| // If this app shouldn't be in front of the first N background |
| // apps, then skip over that many that are currently hidden. |
| if (skipTop > 0 && p.setAdj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| skipTop--; |
| } |
| if (p.lruWeight <= app.lruWeight || i < bestPos) { |
| mLruProcesses.add(i+1, app); |
| break; |
| } |
| i--; |
| } |
| if (i < 0) { |
| mLruProcesses.add(0, app); |
| } |
| |
| // If the app is currently using a content provider or service, |
| // bump those processes as well. |
| if (app.connections.size() > 0) { |
| for (ConnectionRecord cr : app.connections) { |
| if (cr.binding != null && cr.binding.service != null |
| && cr.binding.service.app != null |
| && cr.binding.service.app.lruSeq != mLruSeq) { |
| updateLruProcessInternalLocked(cr.binding.service.app, i+1); |
| } |
| } |
| } |
| for (int j=app.conProviders.size()-1; j>=0; j--) { |
| ContentProviderRecord cpr = app.conProviders.get(j).provider; |
| if (cpr.proc != null && cpr.proc.lruSeq != mLruSeq) { |
| updateLruProcessInternalLocked(cpr.proc, i+1); |
| } |
| } |
| } |
| |
| final void updateLruProcessLocked(ProcessRecord app, |
| boolean oomAdj) { |
| mLruSeq++; |
| updateLruProcessInternalLocked(app, 0); |
| |
| //Slog.i(TAG, "Putting proc to front: " + app.processName); |
| if (oomAdj) { |
| updateOomAdjLocked(); |
| } |
| } |
| |
| final ProcessRecord getProcessRecordLocked( |
| String processName, int uid) { |
| if (uid == Process.SYSTEM_UID) { |
| // The system gets to run in any process. If there are multiple |
| // processes with the same uid, just pick the first (this |
| // should never happen). |
| SparseArray<ProcessRecord> procs = mProcessNames.getMap().get( |
| processName); |
| if (procs == null) return null; |
| final int N = procs.size(); |
| for (int i = 0; i < N; i++) { |
| if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i); |
| } |
| } |
| ProcessRecord proc = mProcessNames.get(processName, uid); |
| return proc; |
| } |
| |
| void ensurePackageDexOpt(String packageName) { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| try { |
| if (pm.performDexOpt(packageName)) { |
| mDidDexOpt = true; |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| boolean isNextTransitionForward() { |
| int transit = mWindowManager.getPendingAppTransition(); |
| return transit == AppTransition.TRANSIT_ACTIVITY_OPEN |
| || transit == AppTransition.TRANSIT_TASK_OPEN |
| || transit == AppTransition.TRANSIT_TASK_TO_FRONT; |
| } |
| |
| final ProcessRecord startProcessLocked(String processName, |
| ApplicationInfo info, boolean knownToBeDead, int intentFlags, |
| String hostingType, ComponentName hostingName, boolean allowWhileBooting, |
| boolean isolated) { |
| ProcessRecord app; |
| if (!isolated) { |
| app = getProcessRecordLocked(processName, info.uid); |
| } else { |
| // If this is an isolated process, it can't re-use an existing process. |
| app = null; |
| } |
| // We don't have to do anything more if: |
| // (1) There is an existing application record; and |
| // (2) The caller doesn't think it is dead, OR there is no thread |
| // object attached to it so we know it couldn't have crashed; and |
| // (3) There is a pid assigned to it, so it is either starting or |
| // already running. |
| if (DEBUG_PROCESSES) Slog.v(TAG, "startProcess: name=" + processName |
| + " app=" + app + " knownToBeDead=" + knownToBeDead |
| + " thread=" + (app != null ? app.thread : null) |
| + " pid=" + (app != null ? app.pid : -1)); |
| if (app != null && app.pid > 0) { |
| if (!knownToBeDead || app.thread == null) { |
| // We already have the app running, or are waiting for it to |
| // come up (we have a pid but not yet its thread), so keep it. |
| if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app); |
| // If this is a new package in the process, add the package to the list |
| app.addPackage(info.packageName); |
| return app; |
| } |
| |
| // An application record is attached to a previous process, |
| // clean it up now. |
| if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app); |
| handleAppDiedLocked(app, true, true); |
| } |
| |
| String hostingNameStr = hostingName != null |
| ? hostingName.flattenToShortString() : null; |
| |
| if (!isolated) { |
| if ((intentFlags&Intent.FLAG_FROM_BACKGROUND) != 0) { |
| // If we are in the background, then check to see if this process |
| // is bad. If so, we will just silently fail. |
| if (mBadProcesses.get(info.processName, info.uid) != null) { |
| if (DEBUG_PROCESSES) Slog.v(TAG, "Bad process: " + info.uid |
| + "/" + info.processName); |
| return null; |
| } |
| } else { |
| // When the user is explicitly starting a process, then clear its |
| // crash count so that we won't make it bad until they see at |
| // least one crash dialog again, and make the process good again |
| // if it had been bad. |
| if (DEBUG_PROCESSES) Slog.v(TAG, "Clearing bad process: " + info.uid |
| + "/" + info.processName); |
| mProcessCrashTimes.remove(info.processName, info.uid); |
| if (mBadProcesses.get(info.processName, info.uid) != null) { |
| EventLog.writeEvent(EventLogTags.AM_PROC_GOOD, |
| UserHandle.getUserId(info.uid), info.uid, |
| info.processName); |
| mBadProcesses.remove(info.processName, info.uid); |
| if (app != null) { |
| app.bad = false; |
| } |
| } |
| } |
| } |
| |
| if (app == null) { |
| app = newProcessRecordLocked(null, info, processName, isolated); |
| if (app == null) { |
| Slog.w(TAG, "Failed making new process record for " |
| + processName + "/" + info.uid + " isolated=" + isolated); |
| return null; |
| } |
| mProcessNames.put(processName, app.uid, app); |
| if (isolated) { |
| mIsolatedProcesses.put(app.uid, app); |
| } |
| } else { |
| // If this is a new package in the process, add the package to the list |
| app.addPackage(info.packageName); |
| } |
| |
| // If the system is not ready yet, then hold off on starting this |
| // process until it is. |
| if (!mProcessesReady |
| && !isAllowedWhileBooting(info) |
| && !allowWhileBooting) { |
| if (!mProcessesOnHold.contains(app)) { |
| mProcessesOnHold.add(app); |
| } |
| if (DEBUG_PROCESSES) Slog.v(TAG, "System not ready, putting on hold: " + app); |
| return app; |
| } |
| |
| startProcessLocked(app, hostingType, hostingNameStr); |
| return (app.pid != 0) ? app : null; |
| } |
| |
| boolean isAllowedWhileBooting(ApplicationInfo ai) { |
| return (ai.flags&ApplicationInfo.FLAG_PERSISTENT) != 0; |
| } |
| |
| private final void startProcessLocked(ProcessRecord app, |
| String hostingType, String hostingNameStr) { |
| if (app.pid > 0 && app.pid != MY_PID) { |
| synchronized (mPidsSelfLocked) { |
| mPidsSelfLocked.remove(app.pid); |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| } |
| app.setPid(0); |
| } |
| |
| if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, |
| "startProcessLocked removing on hold: " + app); |
| mProcessesOnHold.remove(app); |
| |
| updateCpuStats(); |
| |
| System.arraycopy(mProcDeaths, 0, mProcDeaths, 1, mProcDeaths.length-1); |
| mProcDeaths[0] = 0; |
| |
| try { |
| int uid = app.uid; |
| |
| int[] gids = null; |
| int mountExternal = Zygote.MOUNT_EXTERNAL_NONE; |
| if (!app.isolated) { |
| int[] permGids = null; |
| try { |
| final PackageManager pm = mContext.getPackageManager(); |
| permGids = pm.getPackageGids(app.info.packageName); |
| |
| if (Environment.isExternalStorageEmulated()) { |
| if (pm.checkPermission( |
| android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE, |
| app.info.packageName) == PERMISSION_GRANTED) { |
| mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL; |
| } else { |
| mountExternal = Zygote.MOUNT_EXTERNAL_MULTIUSER; |
| } |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| Slog.w(TAG, "Unable to retrieve gids", e); |
| } |
| |
| /* |
| * Add shared application GID so applications can share some |
| * resources like shared libraries |
| */ |
| if (permGids == null) { |
| gids = new int[1]; |
| } else { |
| gids = new int[permGids.length + 1]; |
| System.arraycopy(permGids, 0, gids, 1, permGids.length); |
| } |
| gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid)); |
| } |
| if (mFactoryTest != SystemServer.FACTORY_TEST_OFF) { |
| if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL |
| && mTopComponent != null |
| && app.processName.equals(mTopComponent.getPackageName())) { |
| uid = 0; |
| } |
| if (mFactoryTest == SystemServer.FACTORY_TEST_HIGH_LEVEL |
| && (app.info.flags&ApplicationInfo.FLAG_FACTORY_TEST) != 0) { |
| uid = 0; |
| } |
| } |
| int debugFlags = 0; |
| if ((app.info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { |
| debugFlags |= Zygote.DEBUG_ENABLE_DEBUGGER; |
| // Also turn on CheckJNI for debuggable apps. It's quite |
| // awkward to turn on otherwise. |
| debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; |
| } |
| // Run the app in safe mode if its manifest requests so or the |
| // system is booted in safe mode. |
| if ((app.info.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0 || |
| Zygote.systemInSafeMode == true) { |
| debugFlags |= Zygote.DEBUG_ENABLE_SAFEMODE; |
| } |
| if ("1".equals(SystemProperties.get("debug.checkjni"))) { |
| debugFlags |= Zygote.DEBUG_ENABLE_CHECKJNI; |
| } |
| if ("1".equals(SystemProperties.get("debug.jni.logging"))) { |
| debugFlags |= Zygote.DEBUG_ENABLE_JNI_LOGGING; |
| } |
| if ("1".equals(SystemProperties.get("debug.assert"))) { |
| debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; |
| } |
| |
| // Start the process. It will either succeed and return a result containing |
| // the PID of the new process, or else throw a RuntimeException. |
| Process.ProcessStartResult startResult = Process.start("android.app.ActivityThread", |
| app.processName, uid, uid, gids, debugFlags, mountExternal, |
| app.info.targetSdkVersion, app.info.seinfo, null); |
| |
| BatteryStatsImpl bs = app.batteryStats.getBatteryStats(); |
| synchronized (bs) { |
| if (bs.isOnBattery()) { |
| app.batteryStats.incStartsLocked(); |
| } |
| } |
| |
| EventLog.writeEvent(EventLogTags.AM_PROC_START, |
| UserHandle.getUserId(uid), startResult.pid, uid, |
| app.processName, hostingType, |
| hostingNameStr != null ? hostingNameStr : ""); |
| |
| if (app.persistent) { |
| Watchdog.getInstance().processStarted(app.processName, startResult.pid); |
| } |
| |
| StringBuilder buf = mStringBuilder; |
| buf.setLength(0); |
| buf.append("Start proc "); |
| buf.append(app.processName); |
| buf.append(" for "); |
| buf.append(hostingType); |
| if (hostingNameStr != null) { |
| buf.append(" "); |
| buf.append(hostingNameStr); |
| } |
| buf.append(": pid="); |
| buf.append(startResult.pid); |
| buf.append(" uid="); |
| buf.append(uid); |
| buf.append(" gids={"); |
| if (gids != null) { |
| for (int gi=0; gi<gids.length; gi++) { |
| if (gi != 0) buf.append(", "); |
| buf.append(gids[gi]); |
| |
| } |
| } |
| buf.append("}"); |
| Slog.i(TAG, buf.toString()); |
| app.setPid(startResult.pid); |
| app.usingWrapper = startResult.usingWrapper; |
| app.removed = false; |
| synchronized (mPidsSelfLocked) { |
| this.mPidsSelfLocked.put(startResult.pid, app); |
| Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); |
| msg.obj = app; |
| mHandler.sendMessageDelayed(msg, startResult.usingWrapper |
| ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); |
| } |
| } catch (RuntimeException e) { |
| // XXX do better error recovery. |
| app.setPid(0); |
| Slog.e(TAG, "Failure starting process " + app.processName, e); |
| } |
| } |
| |
| void updateUsageStats(ActivityRecord component, boolean resumed) { |
| if (DEBUG_SWITCH) Slog.d(TAG, "updateUsageStats: comp=" + component + "res=" + resumed); |
| final BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| if (resumed) { |
| mUsageStatsService.noteResumeComponent(component.realActivity); |
| synchronized (stats) { |
| stats.noteActivityResumedLocked(component.app.uid); |
| } |
| } else { |
| mUsageStatsService.notePauseComponent(component.realActivity); |
| synchronized (stats) { |
| stats.noteActivityPausedLocked(component.app.uid); |
| } |
| } |
| } |
| |
| boolean startHomeActivityLocked(int userId) { |
| if (mHeadless) { |
| // Added because none of the other calls to ensureBootCompleted seem to fire |
| // when running headless. |
| ensureBootCompleted(); |
| return false; |
| } |
| |
| if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL |
| && mTopAction == null) { |
| // We are running in factory test mode, but unable to find |
| // the factory test app, so just sit around displaying the |
| // error message and don't try to start anything. |
| return false; |
| } |
| Intent intent = new Intent( |
| mTopAction, |
| mTopData != null ? Uri.parse(mTopData) : null); |
| intent.setComponent(mTopComponent); |
| if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| intent.addCategory(Intent.CATEGORY_HOME); |
| } |
| ActivityInfo aInfo = |
| resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); |
| if (aInfo != null) { |
| intent.setComponent(new ComponentName( |
| aInfo.applicationInfo.packageName, aInfo.name)); |
| // Don't do this if the home app is currently being |
| // instrumented. |
| aInfo = new ActivityInfo(aInfo); |
| aInfo.applicationInfo = getAppInfoForUser(aInfo.applicationInfo, userId); |
| ProcessRecord app = getProcessRecordLocked(aInfo.processName, |
| aInfo.applicationInfo.uid); |
| if (app == null || app.instrumentationClass == null) { |
| intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); |
| mStackSupervisor.startHomeActivity(intent, aInfo); |
| } |
| } |
| |
| return true; |
| } |
| |
| private ActivityInfo resolveActivityInfo(Intent intent, int flags, int userId) { |
| ActivityInfo ai = null; |
| ComponentName comp = intent.getComponent(); |
| try { |
| if (comp != null) { |
| ai = AppGlobals.getPackageManager().getActivityInfo(comp, flags, userId); |
| } else { |
| ResolveInfo info = AppGlobals.getPackageManager().resolveIntent( |
| intent, |
| intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| flags, userId); |
| |
| if (info != null) { |
| ai = info.activityInfo; |
| } |
| } |
| } catch (RemoteException e) { |
| // ignore |
| } |
| |
| return ai; |
| } |
| |
| /** |
| * Starts the "new version setup screen" if appropriate. |
| */ |
| void startSetupActivityLocked() { |
| // Only do this once per boot. |
| if (mCheckedForSetup) { |
| return; |
| } |
| |
| // We will show this screen if the current one is a different |
| // version than the last one shown, and we are not running in |
| // low-level factory test mode. |
| final ContentResolver resolver = mContext.getContentResolver(); |
| if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL && |
| Settings.Global.getInt(resolver, |
| Settings.Global.DEVICE_PROVISIONED, 0) != 0) { |
| mCheckedForSetup = true; |
| |
| // See if we should be showing the platform update setup UI. |
| Intent intent = new Intent(Intent.ACTION_UPGRADE_SETUP); |
| List<ResolveInfo> ris = mSelf.mContext.getPackageManager() |
| .queryIntentActivities(intent, PackageManager.GET_META_DATA); |
| |
| // We don't allow third party apps to replace this. |
| ResolveInfo ri = null; |
| for (int i=0; ris != null && i<ris.size(); i++) { |
| if ((ris.get(i).activityInfo.applicationInfo.flags |
| & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| ri = ris.get(i); |
| break; |
| } |
| } |
| |
| if (ri != null) { |
| String vers = ri.activityInfo.metaData != null |
| ? ri.activityInfo.metaData.getString(Intent.METADATA_SETUP_VERSION) |
| : null; |
| if (vers == null && ri.activityInfo.applicationInfo.metaData != null) { |
| vers = ri.activityInfo.applicationInfo.metaData.getString( |
| Intent.METADATA_SETUP_VERSION); |
| } |
| String lastVers = Settings.Secure.getString( |
| resolver, Settings.Secure.LAST_SETUP_SHOWN); |
| if (vers != null && !vers.equals(lastVers)) { |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| intent.setComponent(new ComponentName( |
| ri.activityInfo.packageName, ri.activityInfo.name)); |
| mStackSupervisor.startActivityLocked(null, intent, null, ri.activityInfo, |
| null, null, 0, 0, 0, null, 0, null, false, null); |
| } |
| } |
| } |
| } |
| |
| CompatibilityInfo compatibilityInfoForPackageLocked(ApplicationInfo ai) { |
| return mCompatModePackages.compatibilityInfoForPackageLocked(ai); |
| } |
| |
| void enforceNotIsolatedCaller(String caller) { |
| if (UserHandle.isIsolated(Binder.getCallingUid())) { |
| throw new SecurityException("Isolated process not allowed to call " + caller); |
| } |
| } |
| |
| @Override |
| public int getFrontActivityScreenCompatMode() { |
| enforceNotIsolatedCaller("getFrontActivityScreenCompatMode"); |
| synchronized (this) { |
| return mCompatModePackages.getFrontActivityScreenCompatModeLocked(); |
| } |
| } |
| |
| @Override |
| public void setFrontActivityScreenCompatMode(int mode) { |
| enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, |
| "setFrontActivityScreenCompatMode"); |
| synchronized (this) { |
| mCompatModePackages.setFrontActivityScreenCompatModeLocked(mode); |
| } |
| } |
| |
| @Override |
| public int getPackageScreenCompatMode(String packageName) { |
| enforceNotIsolatedCaller("getPackageScreenCompatMode"); |
| synchronized (this) { |
| return mCompatModePackages.getPackageScreenCompatModeLocked(packageName); |
| } |
| } |
| |
| @Override |
| public void setPackageScreenCompatMode(String packageName, int mode) { |
| enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, |
| "setPackageScreenCompatMode"); |
| synchronized (this) { |
| mCompatModePackages.setPackageScreenCompatModeLocked(packageName, mode); |
| } |
| } |
| |
| @Override |
| public boolean getPackageAskScreenCompat(String packageName) { |
| enforceNotIsolatedCaller("getPackageAskScreenCompat"); |
| synchronized (this) { |
| return mCompatModePackages.getPackageAskCompatModeLocked(packageName); |
| } |
| } |
| |
| @Override |
| public void setPackageAskScreenCompat(String packageName, boolean ask) { |
| enforceCallingPermission(android.Manifest.permission.SET_SCREEN_COMPATIBILITY, |
| "setPackageAskScreenCompat"); |
| synchronized (this) { |
| mCompatModePackages.setPackageAskCompatModeLocked(packageName, ask); |
| } |
| } |
| |
| private void dispatchProcessesChanged() { |
| int N; |
| synchronized (this) { |
| N = mPendingProcessChanges.size(); |
| if (mActiveProcessChanges.length < N) { |
| mActiveProcessChanges = new ProcessChangeItem[N]; |
| } |
| mPendingProcessChanges.toArray(mActiveProcessChanges); |
| mAvailProcessChanges.addAll(mPendingProcessChanges); |
| mPendingProcessChanges.clear(); |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "*** Delivering " + N + " process changes"); |
| } |
| |
| int i = mProcessObservers.beginBroadcast(); |
| while (i > 0) { |
| i--; |
| final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); |
| if (observer != null) { |
| try { |
| for (int j=0; j<N; j++) { |
| ProcessChangeItem item = mActiveProcessChanges[j]; |
| if ((item.changes&ProcessChangeItem.CHANGE_ACTIVITIES) != 0) { |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "ACTIVITIES CHANGED pid=" |
| + item.pid + " uid=" + item.uid + ": " |
| + item.foregroundActivities); |
| observer.onForegroundActivitiesChanged(item.pid, item.uid, |
| item.foregroundActivities); |
| } |
| if ((item.changes&ProcessChangeItem.CHANGE_IMPORTANCE) != 0) { |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "IMPORTANCE CHANGED pid=" |
| + item.pid + " uid=" + item.uid + ": " + item.importance); |
| observer.onImportanceChanged(item.pid, item.uid, |
| item.importance); |
| } |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| mProcessObservers.finishBroadcast(); |
| } |
| |
| private void dispatchProcessDied(int pid, int uid) { |
| int i = mProcessObservers.beginBroadcast(); |
| while (i > 0) { |
| i--; |
| final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); |
| if (observer != null) { |
| try { |
| observer.onProcessDied(pid, uid); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| mProcessObservers.finishBroadcast(); |
| } |
| |
| final void doPendingActivityLaunchesLocked(boolean doResume) { |
| final int N = mPendingActivityLaunches.size(); |
| if (N <= 0) { |
| return; |
| } |
| for (int i=0; i<N; i++) { |
| PendingActivityLaunch pal = mPendingActivityLaunches.get(i); |
| mStackSupervisor.startActivityUncheckedLocked(pal.r, pal.sourceRecord, pal.startFlags, |
| doResume && i == (N-1), null); |
| } |
| mPendingActivityLaunches.clear(); |
| } |
| |
| @Override |
| public final int startActivity(IApplicationThread caller, String callingPackage, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, int startFlags, |
| String profileFile, ParcelFileDescriptor profileFd, Bundle options) { |
| return startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo, |
| resultWho, requestCode, |
| startFlags, profileFile, profileFd, options, UserHandle.getCallingUserId()); |
| } |
| |
| @Override |
| public final int startActivityAsUser(IApplicationThread caller, String callingPackage, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, int startFlags, |
| String profileFile, ParcelFileDescriptor profileFd, Bundle options, int userId) { |
| enforceNotIsolatedCaller("startActivity"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivity", null); |
| // TODO: Switch to user app stacks here. |
| return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, |
| resultTo, resultWho, requestCode, startFlags, profileFile, profileFd, |
| null, null, options, userId); |
| } |
| |
| @Override |
| public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, int startFlags, String profileFile, |
| ParcelFileDescriptor profileFd, Bundle options, int userId) { |
| enforceNotIsolatedCaller("startActivityAndWait"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivityAndWait", null); |
| WaitResult res = new WaitResult(); |
| // TODO: Switch to user app stacks here. |
| mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, resolvedType, |
| resultTo, resultWho, requestCode, startFlags, profileFile, profileFd, |
| res, null, options, UserHandle.getCallingUserId()); |
| return res; |
| } |
| |
| @Override |
| public final int startActivityWithConfig(IApplicationThread caller, String callingPackage, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, int startFlags, Configuration config, |
| Bundle options, int userId) { |
| enforceNotIsolatedCaller("startActivityWithConfig"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivityWithConfig", null); |
| // TODO: Switch to user app stacks here. |
| int ret = mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, |
| resolvedType, resultTo, resultWho, requestCode, startFlags, |
| null, null, null, config, options, userId); |
| return ret; |
| } |
| |
| @Override |
| public int startActivityIntentSender(IApplicationThread caller, |
| IntentSender intent, Intent fillInIntent, String resolvedType, |
| IBinder resultTo, String resultWho, int requestCode, |
| int flagsMask, int flagsValues, Bundle options) { |
| enforceNotIsolatedCaller("startActivityIntentSender"); |
| // Refuse possible leaked file descriptors |
| if (fillInIntent != null && fillInIntent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| IIntentSender sender = intent.getTarget(); |
| if (!(sender instanceof PendingIntentRecord)) { |
| throw new IllegalArgumentException("Bad PendingIntent object"); |
| } |
| |
| PendingIntentRecord pir = (PendingIntentRecord)sender; |
| |
| synchronized (this) { |
| // If this is coming from the currently resumed activity, it is |
| // effectively saying that app switches are allowed at this point. |
| final ActivityStack stack = getFocusedStack(); |
| if (stack.mResumedActivity != null && |
| stack.mResumedActivity.info.applicationInfo.uid == Binder.getCallingUid()) { |
| mAppSwitchesAllowedTime = 0; |
| } |
| } |
| int ret = pir.sendInner(0, fillInIntent, resolvedType, null, null, |
| resultTo, resultWho, requestCode, flagsMask, flagsValues, options); |
| return ret; |
| } |
| |
| @Override |
| public boolean startNextMatchingActivity(IBinder callingActivity, |
| Intent intent, Bundle options) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized (this) { |
| final ActivityRecord r = ActivityRecord.isInStackLocked(callingActivity); |
| if (r == null) { |
| ActivityOptions.abort(options); |
| return false; |
| } |
| if (r.app == null || r.app.thread == null) { |
| // The caller is not running... d'oh! |
| ActivityOptions.abort(options); |
| return false; |
| } |
| intent = new Intent(intent); |
| // The caller is not allowed to change the data. |
| intent.setDataAndType(r.intent.getData(), r.intent.getType()); |
| // And we are resetting to find the next component... |
| intent.setComponent(null); |
| |
| ActivityInfo aInfo = null; |
| try { |
| List<ResolveInfo> resolves = |
| AppGlobals.getPackageManager().queryIntentActivities( |
| intent, r.resolvedType, |
| PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS, |
| UserHandle.getCallingUserId()); |
| |
| // Look for the original activity in the list... |
| final int N = resolves != null ? resolves.size() : 0; |
| for (int i=0; i<N; i++) { |
| ResolveInfo rInfo = resolves.get(i); |
| if (rInfo.activityInfo.packageName.equals(r.packageName) |
| && rInfo.activityInfo.name.equals(r.info.name)) { |
| // We found the current one... the next matching is |
| // after it. |
| i++; |
| if (i<N) { |
| aInfo = resolves.get(i).activityInfo; |
| } |
| break; |
| } |
| } |
| } catch (RemoteException e) { |
| } |
| |
| if (aInfo == null) { |
| // Nobody who is next! |
| ActivityOptions.abort(options); |
| return false; |
| } |
| |
| intent.setComponent(new ComponentName( |
| aInfo.applicationInfo.packageName, aInfo.name)); |
| intent.setFlags(intent.getFlags()&~( |
| Intent.FLAG_ACTIVITY_FORWARD_RESULT| |
| Intent.FLAG_ACTIVITY_CLEAR_TOP| |
| Intent.FLAG_ACTIVITY_MULTIPLE_TASK| |
| Intent.FLAG_ACTIVITY_NEW_TASK)); |
| |
| // Okay now we need to start the new activity, replacing the |
| // currently running activity. This is a little tricky because |
| // we want to start the new one as if the current one is finished, |
| // but not finish the current one first so that there is no flicker. |
| // And thus... |
| final boolean wasFinishing = r.finishing; |
| r.finishing = true; |
| |
| // Propagate reply information over to the new activity. |
| final ActivityRecord resultTo = r.resultTo; |
| final String resultWho = r.resultWho; |
| final int requestCode = r.requestCode; |
| r.resultTo = null; |
| if (resultTo != null) { |
| resultTo.removeResultsLocked(r, resultWho, requestCode); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| int res = mStackSupervisor.startActivityLocked(r.app.thread, intent, |
| r.resolvedType, aInfo, resultTo != null ? resultTo.appToken : null, |
| resultWho, requestCode, -1, r.launchedFromUid, r.launchedFromPackage, 0, |
| options, false, null); |
| Binder.restoreCallingIdentity(origId); |
| |
| r.finishing = wasFinishing; |
| if (res != ActivityManager.START_SUCCESS) { |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| final int startActivityInPackage(int uid, String callingPackage, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, int startFlags, Bundle options, int userId) { |
| |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivityInPackage", null); |
| |
| // TODO: Switch to user app stacks here. |
| int ret = mStackSupervisor.startActivityMayWait(null, uid, callingPackage, intent, resolvedType, |
| resultTo, resultWho, requestCode, startFlags, |
| null, null, null, null, options, userId); |
| return ret; |
| } |
| |
| @Override |
| public final int startActivities(IApplicationThread caller, String callingPackage, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo, Bundle options, |
| int userId) { |
| enforceNotIsolatedCaller("startActivities"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivity", null); |
| // TODO: Switch to user app stacks here. |
| int ret = mStackSupervisor.startActivities(caller, -1, callingPackage, intents, |
| resolvedTypes, resultTo, options, userId); |
| return ret; |
| } |
| |
| final int startActivitiesInPackage(int uid, String callingPackage, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo, |
| Bundle options, int userId) { |
| |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "startActivityInPackage", null); |
| // TODO: Switch to user app stacks here. |
| int ret = mStackSupervisor.startActivities(null, uid, callingPackage, intents, resolvedTypes, |
| resultTo, options, userId); |
| return ret; |
| } |
| |
| final void addRecentTaskLocked(TaskRecord task) { |
| int N = mRecentTasks.size(); |
| // Quick case: check if the top-most recent task is the same. |
| if (N > 0 && mRecentTasks.get(0) == task) { |
| return; |
| } |
| // Remove any existing entries that are the same kind of task. |
| for (int i=0; i<N; i++) { |
| TaskRecord tr = mRecentTasks.get(i); |
| if (task.userId == tr.userId |
| && ((task.affinity != null && task.affinity.equals(tr.affinity)) |
| || (task.intent != null && task.intent.filterEquals(tr.intent)))) { |
| mRecentTasks.remove(i); |
| i--; |
| N--; |
| if (task.intent == null) { |
| // If the new recent task we are adding is not fully |
| // specified, then replace it with the existing recent task. |
| task = tr; |
| } |
| } |
| } |
| if (N >= MAX_RECENT_TASKS) { |
| mRecentTasks.remove(N-1); |
| } |
| mRecentTasks.add(0, task); |
| } |
| |
| @Override |
| public void setRequestedOrientation(IBinder token, int requestedOrientation) { |
| synchronized (this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| mWindowManager.setAppOrientation(r.appToken, requestedOrientation); |
| Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| mConfiguration, r.mayFreezeScreenLocked(r.app) ? r.appToken : null); |
| if (config != null) { |
| r.frozenBeforeDestroy = true; |
| if (!updateConfigurationLocked(config, r, false, false)) { |
| mStackSupervisor.resumeTopActivitiesLocked(); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public int getRequestedOrientation(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; |
| } |
| return mWindowManager.getAppOrientation(r.appToken); |
| } |
| } |
| |
| /** |
| * This is the internal entry point for handling Activity.finish(). |
| * |
| * @param token The Binder token referencing the Activity we want to finish. |
| * @param resultCode Result code, if any, from this Activity. |
| * @param resultData Result data (Intent), if any, from this Activity. |
| * |
| * @return Returns true if the activity successfully finished, or false if it is still running. |
| */ |
| @Override |
| public final boolean finishActivity(IBinder token, int resultCode, Intent resultData) { |
| // Refuse possible leaked file descriptors |
| if (resultData != null && resultData.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return true; |
| } |
| if (mController != null) { |
| // Find the first activity that is not finishing. |
| ActivityRecord next = r.task.stack.topRunningActivityLocked(token, 0); |
| if (next != null) { |
| // ask watcher if this is allowed |
| boolean resumeOK = true; |
| try { |
| resumeOK = mController.activityResuming(next.packageName); |
| } catch (RemoteException e) { |
| mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| |
| if (!resumeOK) { |
| return false; |
| } |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| boolean res = r.task.stack.requestFinishActivityLocked(token, resultCode, |
| resultData, "app-request", true); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| @Override |
| public final void finishHeavyWeightApp() { |
| if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: finishHeavyWeightApp() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| synchronized(this) { |
| if (mHeavyWeightProcess == null) { |
| return; |
| } |
| |
| ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>( |
| mHeavyWeightProcess.activities); |
| for (int i=0; i<activities.size(); i++) { |
| ActivityRecord r = activities.get(i); |
| if (!r.finishing) { |
| r.task.stack.finishActivityLocked(r, Activity.RESULT_CANCELED, |
| null, "finish-heavy", true); |
| } |
| } |
| |
| mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, |
| mHeavyWeightProcess.userId, 0)); |
| mHeavyWeightProcess = null; |
| } |
| } |
| |
| @Override |
| public void crashApplication(int uid, int initialPid, String packageName, |
| String message) { |
| if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: crashApplication() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| synchronized(this) { |
| ProcessRecord proc = null; |
| |
| // Figure out which process to kill. We don't trust that initialPid |
| // still has any relation to current pids, so must scan through the |
| // list. |
| synchronized (mPidsSelfLocked) { |
| for (int i=0; i<mPidsSelfLocked.size(); i++) { |
| ProcessRecord p = mPidsSelfLocked.valueAt(i); |
| if (p.uid != uid) { |
| continue; |
| } |
| if (p.pid == initialPid) { |
| proc = p; |
| break; |
| } |
| for (String str : p.pkgList) { |
| if (str.equals(packageName)) { |
| proc = p; |
| } |
| } |
| } |
| } |
| |
| if (proc == null) { |
| Slog.w(TAG, "crashApplication: nothing for uid=" + uid |
| + " initialPid=" + initialPid |
| + " packageName=" + packageName); |
| return; |
| } |
| |
| if (proc.thread != null) { |
| if (proc.pid == Process.myPid()) { |
| Log.w(TAG, "crashApplication: trying to crash self!"); |
| return; |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| proc.thread.scheduleCrash(message); |
| } catch (RemoteException e) { |
| } |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public final void finishSubActivity(IBinder token, String resultWho, |
| int requestCode) { |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r != null) { |
| r.task.stack.finishSubActivityLocked(r, resultWho, requestCode); |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public boolean finishActivityAffinity(IBinder token) { |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| boolean res = false; |
| if (r != null) { |
| res = r.task.stack.finishActivityAffinityLocked(r); |
| } |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| @Override |
| public boolean willActivityBeVisible(IBinder token) { |
| synchronized(this) { |
| ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| return stack.willActivityBeVisibleLocked(token); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public void overridePendingTransition(IBinder token, String packageName, |
| int enterAnim, int exitAnim) { |
| synchronized(this) { |
| ActivityRecord self = ActivityRecord.isInStackLocked(token); |
| if (self == null) { |
| return; |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (self.state == ActivityState.RESUMED |
| || self.state == ActivityState.PAUSING) { |
| mWindowManager.overridePendingAppTransition(packageName, |
| enterAnim, exitAnim, null); |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| /** |
| * Main function for removing an existing process from the activity manager |
| * as a result of that process going away. Clears out all connections |
| * to the process. |
| */ |
| private final void handleAppDiedLocked(ProcessRecord app, |
| boolean restarting, boolean allowRestart) { |
| cleanUpApplicationRecordLocked(app, restarting, allowRestart, -1); |
| if (!restarting) { |
| mLruProcesses.remove(app); |
| } |
| |
| if (mProfileProc == app) { |
| clearProfilerLocked(); |
| } |
| |
| mStackSupervisor.handleAppDiedLocked(app, restarting); |
| |
| app.activities.clear(); |
| |
| if (app.instrumentationClass != null) { |
| Slog.w(TAG, "Crash of app " + app.processName |
| + " running instrumentation " + app.instrumentationClass); |
| Bundle info = new Bundle(); |
| info.putString("shortMsg", "Process crashed."); |
| finishInstrumentationLocked(app, Activity.RESULT_CANCELED, info); |
| } |
| } |
| |
| private final int getLRURecordIndexForAppLocked(IApplicationThread thread) { |
| IBinder threadBinder = thread.asBinder(); |
| // Find the application record. |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord rec = mLruProcesses.get(i); |
| if (rec.thread != null && rec.thread.asBinder() == threadBinder) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| final ProcessRecord getRecordForAppLocked( |
| IApplicationThread thread) { |
| if (thread == null) { |
| return null; |
| } |
| |
| int appIndex = getLRURecordIndexForAppLocked(thread); |
| return appIndex >= 0 ? mLruProcesses.get(appIndex) : null; |
| } |
| |
| final void appDiedLocked(ProcessRecord app, int pid, |
| IApplicationThread thread) { |
| |
| mProcDeaths[0]++; |
| |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| stats.noteProcessDiedLocked(app.info.uid, pid); |
| } |
| |
| // Clean up already done if the process has been re-started. |
| if (app.pid == pid && app.thread != null && |
| app.thread.asBinder() == thread.asBinder()) { |
| if (!app.killedBackground) { |
| Slog.i(TAG, "Process " + app.processName + " (pid " + pid |
| + ") has died."); |
| } |
| EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); |
| if (DEBUG_CLEANUP) Slog.v( |
| TAG, "Dying app: " + app + ", pid: " + pid |
| + ", thread: " + thread.asBinder()); |
| boolean doLowMem = app.instrumentationClass == null; |
| handleAppDiedLocked(app, false, true); |
| |
| if (doLowMem) { |
| // If there are no longer any background processes running, |
| // and the app that died was not running instrumentation, |
| // then tell everyone we are now low on memory. |
| boolean haveBg = false; |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord rec = mLruProcesses.get(i); |
| if (rec.thread != null && rec.setAdj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| haveBg = true; |
| break; |
| } |
| } |
| |
| if (!haveBg) { |
| EventLog.writeEvent(EventLogTags.AM_LOW_MEMORY, mLruProcesses.size()); |
| long now = SystemClock.uptimeMillis(); |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord rec = mLruProcesses.get(i); |
| if (rec != app && rec.thread != null && |
| (rec.lastLowMemory+GC_MIN_INTERVAL) <= now) { |
| // The low memory report is overriding any current |
| // state for a GC request. Make sure to do |
| // heavy/important/visible/foreground processes first. |
| if (rec.setAdj <= ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
| rec.lastRequestedGc = 0; |
| } else { |
| rec.lastRequestedGc = rec.lastLowMemory; |
| } |
| rec.reportLowMemory = true; |
| rec.lastLowMemory = now; |
| mProcessesToGc.remove(rec); |
| addProcessToGcListLocked(rec); |
| } |
| } |
| mHandler.sendEmptyMessage(REPORT_MEM_USAGE); |
| scheduleAppGcsLocked(); |
| } |
| } |
| } else if (app.pid != pid) { |
| // A new process has already been started. |
| Slog.i(TAG, "Process " + app.processName + " (pid " + pid |
| + ") has died and restarted (pid " + app.pid + ")."); |
| EventLog.writeEvent(EventLogTags.AM_PROC_DIED, app.userId, app.pid, app.processName); |
| } else if (DEBUG_PROCESSES) { |
| Slog.d(TAG, "Received spurious death notification for thread " |
| + thread.asBinder()); |
| } |
| } |
| |
| /** |
| * If a stack trace dump file is configured, dump process stack traces. |
| * @param clearTraces causes the dump file to be erased prior to the new |
| * traces being written, if true; when false, the new traces will be |
| * appended to any existing file content. |
| * @param firstPids of dalvik VM processes to dump stack traces for first |
| * @param lastPids of dalvik VM processes to dump stack traces for last |
| * @param nativeProcs optional list of native process names to dump stack crawls |
| * @return file containing stack traces, or null if no dump file is configured |
| */ |
| public static File dumpStackTraces(boolean clearTraces, ArrayList<Integer> firstPids, |
| ProcessStats processStats, SparseArray<Boolean> lastPids, String[] nativeProcs) { |
| String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); |
| if (tracesPath == null || tracesPath.length() == 0) { |
| return null; |
| } |
| |
| File tracesFile = new File(tracesPath); |
| try { |
| File tracesDir = tracesFile.getParentFile(); |
| if (!tracesDir.exists()) { |
| tracesFile.mkdirs(); |
| if (!SELinux.restorecon(tracesDir)) { |
| return null; |
| } |
| } |
| FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x |
| |
| if (clearTraces && tracesFile.exists()) tracesFile.delete(); |
| tracesFile.createNewFile(); |
| FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- |
| } catch (IOException e) { |
| Slog.w(TAG, "Unable to prepare ANR traces file: " + tracesPath, e); |
| return null; |
| } |
| |
| dumpStackTraces(tracesPath, firstPids, processStats, lastPids, nativeProcs); |
| return tracesFile; |
| } |
| |
| private static void dumpStackTraces(String tracesPath, ArrayList<Integer> firstPids, |
| ProcessStats processStats, SparseArray<Boolean> lastPids, String[] nativeProcs) { |
| // Use a FileObserver to detect when traces finish writing. |
| // The order of traces is considered important to maintain for legibility. |
| FileObserver observer = new FileObserver(tracesPath, FileObserver.CLOSE_WRITE) { |
| @Override |
| public synchronized void onEvent(int event, String path) { notify(); } |
| }; |
| |
| try { |
| observer.startWatching(); |
| |
| // First collect all of the stacks of the most important pids. |
| if (firstPids != null) { |
| try { |
| int num = firstPids.size(); |
| for (int i = 0; i < num; i++) { |
| synchronized (observer) { |
| Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT); |
| observer.wait(200); // Wait for write-close, give up after 200msec |
| } |
| } |
| } catch (InterruptedException e) { |
| Log.wtf(TAG, e); |
| } |
| } |
| |
| // Next measure CPU usage. |
| if (processStats != null) { |
| processStats.init(); |
| System.gc(); |
| processStats.update(); |
| try { |
| synchronized (processStats) { |
| processStats.wait(500); // measure over 1/2 second. |
| } |
| } catch (InterruptedException e) { |
| } |
| processStats.update(); |
| |
| // We'll take the stack crawls of just the top apps using CPU. |
| final int N = processStats.countWorkingStats(); |
| int numProcs = 0; |
| for (int i=0; i<N && numProcs<5; i++) { |
| ProcessStats.Stats stats = processStats.getWorkingStats(i); |
| if (lastPids.indexOfKey(stats.pid) >= 0) { |
| numProcs++; |
| try { |
| synchronized (observer) { |
| Process.sendSignal(stats.pid, Process.SIGNAL_QUIT); |
| observer.wait(200); // Wait for write-close, give up after 200msec |
| } |
| } catch (InterruptedException e) { |
| Log.wtf(TAG, e); |
| } |
| |
| } |
| } |
| } |
| |
| } finally { |
| observer.stopWatching(); |
| } |
| |
| if (nativeProcs != null) { |
| int[] pids = Process.getPidsForCommands(nativeProcs); |
| if (pids != null) { |
| for (int pid : pids) { |
| Debug.dumpNativeBacktraceToFile(pid, tracesPath); |
| } |
| } |
| } |
| } |
| |
| final void logAppTooSlow(ProcessRecord app, long startTime, String msg) { |
| if (true || IS_USER_BUILD) { |
| return; |
| } |
| String tracesPath = SystemProperties.get("dalvik.vm.stack-trace-file", null); |
| if (tracesPath == null || tracesPath.length() == 0) { |
| return; |
| } |
| |
| StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); |
| StrictMode.allowThreadDiskWrites(); |
| try { |
| final File tracesFile = new File(tracesPath); |
| final File tracesDir = tracesFile.getParentFile(); |
| final File tracesTmp = new File(tracesDir, "__tmp__"); |
| try { |
| if (!tracesDir.exists()) { |
| tracesFile.mkdirs(); |
| if (!SELinux.restorecon(tracesDir.getPath())) { |
| return; |
| } |
| } |
| FileUtils.setPermissions(tracesDir.getPath(), 0775, -1, -1); // drwxrwxr-x |
| |
| if (tracesFile.exists()) { |
| tracesTmp.delete(); |
| tracesFile.renameTo(tracesTmp); |
| } |
| StringBuilder sb = new StringBuilder(); |
| Time tobj = new Time(); |
| tobj.set(System.currentTimeMillis()); |
| sb.append(tobj.format("%Y-%m-%d %H:%M:%S")); |
| sb.append(": "); |
| TimeUtils.formatDuration(SystemClock.uptimeMillis()-startTime, sb); |
| sb.append(" since "); |
| sb.append(msg); |
| FileOutputStream fos = new FileOutputStream(tracesFile); |
| fos.write(sb.toString().getBytes()); |
| if (app == null) { |
| fos.write("\n*** No application process!".getBytes()); |
| } |
| fos.close(); |
| FileUtils.setPermissions(tracesFile.getPath(), 0666, -1, -1); // -rw-rw-rw- |
| } catch (IOException e) { |
| Slog.w(TAG, "Unable to prepare slow app traces file: " + tracesPath, e); |
| return; |
| } |
| |
| if (app != null) { |
| ArrayList<Integer> firstPids = new ArrayList<Integer>(); |
| firstPids.add(app.pid); |
| dumpStackTraces(tracesPath, firstPids, null, null, null); |
| } |
| |
| File lastTracesFile = null; |
| File curTracesFile = null; |
| for (int i=9; i>=0; i--) { |
| String name = String.format("slow%02d.txt", i); |
| curTracesFile = new File(tracesDir, name); |
| if (curTracesFile.exists()) { |
| if (lastTracesFile != null) { |
| curTracesFile.renameTo(lastTracesFile); |
| } else { |
| curTracesFile.delete(); |
| } |
| } |
| lastTracesFile = curTracesFile; |
| } |
| tracesFile.renameTo(curTracesFile); |
| if (tracesTmp.exists()) { |
| tracesTmp.renameTo(tracesFile); |
| } |
| } finally { |
| StrictMode.setThreadPolicy(oldPolicy); |
| } |
| } |
| |
| final void appNotResponding(ProcessRecord app, ActivityRecord activity, |
| ActivityRecord parent, boolean aboveSystem, final String annotation) { |
| ArrayList<Integer> firstPids = new ArrayList<Integer>(5); |
| SparseArray<Boolean> lastPids = new SparseArray<Boolean>(20); |
| |
| if (mController != null) { |
| try { |
| // 0 == continue, -1 = kill process immediately |
| int res = mController.appEarlyNotResponding(app.processName, app.pid, annotation); |
| if (res < 0 && app.pid != MY_PID) Process.killProcess(app.pid); |
| } catch (RemoteException e) { |
| mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| } |
| |
| long anrTime = SystemClock.uptimeMillis(); |
| if (MONITOR_CPU_USAGE) { |
| updateCpuStatsNow(); |
| } |
| |
| synchronized (this) { |
| // PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down. |
| if (mShuttingDown) { |
| Slog.i(TAG, "During shutdown skipping ANR: " + app + " " + annotation); |
| return; |
| } else if (app.notResponding) { |
| Slog.i(TAG, "Skipping duplicate ANR: " + app + " " + annotation); |
| return; |
| } else if (app.crashing) { |
| Slog.i(TAG, "Crashing app skipping ANR: " + app + " " + annotation); |
| return; |
| } |
| |
| // In case we come through here for the same app before completing |
| // this one, mark as anring now so we will bail out. |
| app.notResponding = true; |
| |
| // Log the ANR to the event log. |
| EventLog.writeEvent(EventLogTags.AM_ANR, app.userId, app.pid, |
| app.processName, app.info.flags, annotation); |
| |
| // Dump thread traces as quickly as we can, starting with "interesting" processes. |
| firstPids.add(app.pid); |
| |
| int parentPid = app.pid; |
| if (parent != null && parent.app != null && parent.app.pid > 0) parentPid = parent.app.pid; |
| if (parentPid != app.pid) firstPids.add(parentPid); |
| |
| if (MY_PID != app.pid && MY_PID != parentPid) firstPids.add(MY_PID); |
| |
| for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r != null && r.thread != null) { |
| int pid = r.pid; |
| if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) { |
| if (r.persistent) { |
| firstPids.add(pid); |
| } else { |
| lastPids.put(pid, Boolean.TRUE); |
| } |
| } |
| } |
| } |
| } |
| |
| // Log the ANR to the main log. |
| StringBuilder info = new StringBuilder(); |
| info.setLength(0); |
| info.append("ANR in ").append(app.processName); |
| if (activity != null && activity.shortComponentName != null) { |
| info.append(" (").append(activity.shortComponentName).append(")"); |
| } |
| info.append("\n"); |
| if (annotation != null) { |
| info.append("Reason: ").append(annotation).append("\n"); |
| } |
| if (parent != null && parent != activity) { |
| info.append("Parent: ").append(parent.shortComponentName).append("\n"); |
| } |
| |
| final ProcessStats processStats = new ProcessStats(true); |
| |
| File tracesFile = dumpStackTraces(true, firstPids, processStats, lastPids, null); |
| |
| String cpuInfo = null; |
| if (MONITOR_CPU_USAGE) { |
| updateCpuStatsNow(); |
| synchronized (mProcessStatsThread) { |
| cpuInfo = mProcessStats.printCurrentState(anrTime); |
| } |
| info.append(processStats.printCurrentLoad()); |
| info.append(cpuInfo); |
| } |
| |
| info.append(processStats.printCurrentState(anrTime)); |
| |
| Slog.e(TAG, info.toString()); |
| if (tracesFile == null) { |
| // There is no trace file, so dump (only) the alleged culprit's threads to the log |
| Process.sendSignal(app.pid, Process.SIGNAL_QUIT); |
| } |
| |
| addErrorToDropBox("anr", app, app.processName, activity, parent, annotation, |
| cpuInfo, tracesFile, null); |
| |
| if (mController != null) { |
| try { |
| // 0 == show dialog, 1 = keep waiting, -1 = kill process immediately |
| int res = mController.appNotResponding(app.processName, app.pid, info.toString()); |
| if (res != 0) { |
| if (res < 0 && app.pid != MY_PID) Process.killProcess(app.pid); |
| return; |
| } |
| } catch (RemoteException e) { |
| mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| } |
| |
| // Unless configured otherwise, swallow ANRs in background processes & kill the process. |
| boolean showBackground = Settings.Secure.getInt(mContext.getContentResolver(), |
| Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0; |
| |
| synchronized (this) { |
| if (!showBackground && !app.isInterestingToUserLocked() && app.pid != MY_PID) { |
| Slog.w(TAG, "Killing " + app + ": background ANR"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "background ANR"); |
| Process.killProcessQuiet(app.pid); |
| return; |
| } |
| |
| // Set the app's notResponding state, and look up the errorReportReceiver |
| makeAppNotRespondingLocked(app, |
| activity != null ? activity.shortComponentName : null, |
| annotation != null ? "ANR " + annotation : "ANR", |
| info.toString()); |
| |
| // Bring up the infamous App Not Responding dialog |
| Message msg = Message.obtain(); |
| HashMap<String, Object> map = new HashMap<String, Object>(); |
| msg.what = SHOW_NOT_RESPONDING_MSG; |
| msg.obj = map; |
| msg.arg1 = aboveSystem ? 1 : 0; |
| map.put("app", app); |
| if (activity != null) { |
| map.put("activity", activity); |
| } |
| |
| mHandler.sendMessage(msg); |
| } |
| } |
| |
| final void showLaunchWarningLocked(final ActivityRecord cur, final ActivityRecord next) { |
| if (!mLaunchWarningShown) { |
| mLaunchWarningShown = true; |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| synchronized (ActivityManagerService.this) { |
| final Dialog d = new LaunchWarningWindow(mContext, cur, next); |
| d.show(); |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| synchronized (ActivityManagerService.this) { |
| d.dismiss(); |
| mLaunchWarningShown = false; |
| } |
| } |
| }, 4000); |
| } |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public boolean clearApplicationUserData(final String packageName, |
| final IPackageDataObserver observer, int userId) { |
| enforceNotIsolatedCaller("clearApplicationUserData"); |
| int uid = Binder.getCallingUid(); |
| int pid = Binder.getCallingPid(); |
| userId = handleIncomingUser(pid, uid, |
| userId, false, true, "clearApplicationUserData", null); |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| int pkgUid = -1; |
| synchronized(this) { |
| try { |
| pkgUid = pm.getPackageUid(packageName, userId); |
| } catch (RemoteException e) { |
| } |
| if (pkgUid == -1) { |
| Slog.w(TAG, "Invalid packageName: " + packageName); |
| if (observer != null) { |
| try { |
| observer.onRemoveCompleted(packageName, false); |
| } catch (RemoteException e) { |
| Slog.i(TAG, "Observer no longer exists."); |
| } |
| } |
| return false; |
| } |
| if (uid == pkgUid || checkComponentPermission( |
| android.Manifest.permission.CLEAR_APP_USER_DATA, |
| pid, uid, -1, true) |
| == PackageManager.PERMISSION_GRANTED) { |
| forceStopPackageLocked(packageName, pkgUid); |
| } else { |
| throw new SecurityException(pid+" does not have permission:"+ |
| android.Manifest.permission.CLEAR_APP_USER_DATA+" to clear data" + |
| "for process:"+packageName); |
| } |
| } |
| |
| try { |
| // Clear application user data |
| pm.clearApplicationUserData(packageName, observer, userId); |
| |
| // Remove all permissions granted from/to this package |
| removeUriPermissionsForPackageLocked(packageName, userId, true); |
| |
| Intent intent = new Intent(Intent.ACTION_PACKAGE_DATA_CLEARED, |
| Uri.fromParts("package", packageName, null)); |
| intent.putExtra(Intent.EXTRA_UID, pkgUid); |
| broadcastIntentInPackage("android", Process.SYSTEM_UID, intent, |
| null, null, 0, null, null, null, false, false, userId); |
| } catch (RemoteException e) { |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| return true; |
| } |
| |
| @Override |
| public void killBackgroundProcesses(final String packageName, int userId) { |
| if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) |
| != PackageManager.PERMISSION_GRANTED && |
| checkCallingPermission(android.Manifest.permission.RESTART_PACKAGES) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: killBackgroundProcesses() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), |
| userId, true, true, "killBackgroundProcesses", null); |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| synchronized(this) { |
| int appId = -1; |
| try { |
| appId = UserHandle.getAppId(pm.getPackageUid(packageName, 0)); |
| } catch (RemoteException e) { |
| } |
| if (appId == -1) { |
| Slog.w(TAG, "Invalid packageName: " + packageName); |
| return; |
| } |
| killPackageProcessesLocked(packageName, appId, userId, |
| ProcessList.SERVICE_ADJ, false, true, true, false, "kill background"); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| @Override |
| public void killAllBackgroundProcesses() { |
| if (checkCallingPermission(android.Manifest.permission.KILL_BACKGROUND_PROCESSES) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: killAllBackgroundProcesses() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.KILL_BACKGROUND_PROCESSES; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| synchronized(this) { |
| ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); |
| for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| final int NA = apps.size(); |
| for (int ia=0; ia<NA; ia++) { |
| ProcessRecord app = apps.valueAt(ia); |
| if (app.persistent) { |
| // we don't kill persistent processes |
| continue; |
| } |
| if (app.removed) { |
| procs.add(app); |
| } else if (app.setAdj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| app.removed = true; |
| procs.add(app); |
| } |
| } |
| } |
| |
| int N = procs.size(); |
| for (int i=0; i<N; i++) { |
| removeProcessLocked(procs.get(i), false, true, "kill all background"); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| @Override |
| public void forceStopPackage(final String packageName, int userId) { |
| if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: forceStopPackage() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.FORCE_STOP_PACKAGES; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), |
| userId, true, true, "forceStopPackage", null); |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| synchronized(this) { |
| int[] users = userId == UserHandle.USER_ALL |
| ? getUsersLocked() : new int[] { userId }; |
| for (int user : users) { |
| int pkgUid = -1; |
| try { |
| pkgUid = pm.getPackageUid(packageName, user); |
| } catch (RemoteException e) { |
| } |
| if (pkgUid == -1) { |
| Slog.w(TAG, "Invalid packageName: " + packageName); |
| continue; |
| } |
| try { |
| pm.setPackageStoppedState(packageName, true, user); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + packageName + ": " + e); |
| } |
| if (isUserRunningLocked(user, false)) { |
| forceStopPackageLocked(packageName, pkgUid); |
| } |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| /* |
| * The pkg name and app id have to be specified. |
| */ |
| @Override |
| public void killApplicationWithAppId(String pkg, int appid) { |
| if (pkg == null) { |
| return; |
| } |
| // Make sure the uid is valid. |
| if (appid < 0) { |
| Slog.w(TAG, "Invalid appid specified for pkg : " + pkg); |
| return; |
| } |
| int callerUid = Binder.getCallingUid(); |
| // Only the system server can kill an application |
| if (callerUid == Process.SYSTEM_UID) { |
| // Post an aysnc message to kill the application |
| Message msg = mHandler.obtainMessage(KILL_APPLICATION_MSG); |
| msg.arg1 = appid; |
| msg.arg2 = 0; |
| msg.obj = pkg; |
| mHandler.sendMessage(msg); |
| } else { |
| throw new SecurityException(callerUid + " cannot kill pkg: " + |
| pkg); |
| } |
| } |
| |
| @Override |
| public void closeSystemDialogs(String reason) { |
| enforceNotIsolatedCaller("closeSystemDialogs"); |
| |
| final int pid = Binder.getCallingPid(); |
| final int uid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (this) { |
| // Only allow this from foreground processes, so that background |
| // applications can't abuse it to prevent system UI from being shown. |
| if (uid >= Process.FIRST_APPLICATION_UID) { |
| ProcessRecord proc; |
| synchronized (mPidsSelfLocked) { |
| proc = mPidsSelfLocked.get(pid); |
| } |
| if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| Slog.w(TAG, "Ignoring closeSystemDialogs " + reason |
| + " from background process " + proc); |
| return; |
| } |
| } |
| closeSystemDialogsLocked(reason); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| void closeSystemDialogsLocked(String reason) { |
| Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| if (reason != null) { |
| intent.putExtra("reason", reason); |
| } |
| mWindowManager.closeSystemDialogs(reason); |
| |
| mStackSupervisor.closeSystemDialogsLocked(); |
| |
| broadcastIntentLocked(null, null, intent, null, |
| null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1, |
| Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } |
| |
| @Override |
| public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { |
| enforceNotIsolatedCaller("getProcessMemoryInfo"); |
| Debug.MemoryInfo[] infos = new Debug.MemoryInfo[pids.length]; |
| for (int i=pids.length-1; i>=0; i--) { |
| infos[i] = new Debug.MemoryInfo(); |
| Debug.getMemoryInfo(pids[i], infos[i]); |
| } |
| return infos; |
| } |
| |
| @Override |
| public long[] getProcessPss(int[] pids) { |
| enforceNotIsolatedCaller("getProcessPss"); |
| long[] pss = new long[pids.length]; |
| for (int i=pids.length-1; i>=0; i--) { |
| pss[i] = Debug.getPss(pids[i]); |
| } |
| return pss; |
| } |
| |
| @Override |
| public void killApplicationProcess(String processName, int uid) { |
| if (processName == null) { |
| return; |
| } |
| |
| int callerUid = Binder.getCallingUid(); |
| // Only the system server can kill an application |
| if (callerUid == Process.SYSTEM_UID) { |
| synchronized (this) { |
| ProcessRecord app = getProcessRecordLocked(processName, uid); |
| if (app != null && app.thread != null) { |
| try { |
| app.thread.scheduleSuicide(); |
| } catch (RemoteException e) { |
| // If the other end already died, then our work here is done. |
| } |
| } else { |
| Slog.w(TAG, "Process/uid not found attempting kill of " |
| + processName + " / " + uid); |
| } |
| } |
| } else { |
| throw new SecurityException(callerUid + " cannot kill app process: " + |
| processName); |
| } |
| } |
| |
| private void forceStopPackageLocked(final String packageName, int uid) { |
| forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false, |
| false, true, false, UserHandle.getUserId(uid)); |
| Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, |
| Uri.fromParts("package", packageName, null)); |
| if (!mProcessesReady) { |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| } |
| intent.putExtra(Intent.EXTRA_UID, uid); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(uid)); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, |
| MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid)); |
| } |
| |
| private void forceStopUserLocked(int userId) { |
| forceStopPackageLocked(null, -1, false, false, true, false, userId); |
| Intent intent = new Intent(Intent.ACTION_USER_STOPPED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, |
| MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } |
| |
| private final boolean killPackageProcessesLocked(String packageName, int appId, |
| int userId, int minOomAdj, boolean callerWillRestart, boolean allowRestart, |
| boolean doit, boolean evenPersistent, String reason) { |
| ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); |
| |
| // Remove all processes this package may have touched: all with the |
| // same UID (except for the system or root user), and all whose name |
| // matches the package name. |
| final String procNamePrefix = packageName != null ? (packageName + ":") : null; |
| for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| final int NA = apps.size(); |
| for (int ia=0; ia<NA; ia++) { |
| ProcessRecord app = apps.valueAt(ia); |
| if (app.persistent && !evenPersistent) { |
| // we don't kill persistent processes |
| continue; |
| } |
| if (app.removed) { |
| if (doit) { |
| procs.add(app); |
| } |
| continue; |
| } |
| |
| // Skip process if it doesn't meet our oom adj requirement. |
| if (app.setAdj < minOomAdj) { |
| continue; |
| } |
| |
| // If no package is specified, we call all processes under the |
| // give user id. |
| if (packageName == null) { |
| if (app.userId != userId) { |
| continue; |
| } |
| if (appId >= 0 && UserHandle.getAppId(app.uid) != appId) { |
| continue; |
| } |
| // Package has been specified, we want to hit all processes |
| // that match it. We need to qualify this by the processes |
| // that are running under the specified app and user ID. |
| } else { |
| if (UserHandle.getAppId(app.uid) != appId) { |
| continue; |
| } |
| if (userId != UserHandle.USER_ALL && app.userId != userId) { |
| continue; |
| } |
| if (!app.pkgList.contains(packageName)) { |
| continue; |
| } |
| } |
| |
| // Process has passed all conditions, kill it! |
| if (!doit) { |
| return true; |
| } |
| app.removed = true; |
| procs.add(app); |
| } |
| } |
| |
| int N = procs.size(); |
| for (int i=0; i<N; i++) { |
| removeProcessLocked(procs.get(i), callerWillRestart, allowRestart, reason); |
| } |
| return N > 0; |
| } |
| |
| private final boolean forceStopPackageLocked(String name, int appId, |
| boolean callerWillRestart, boolean purgeCache, boolean doit, |
| boolean evenPersistent, int userId) { |
| int i; |
| int N; |
| |
| if (userId == UserHandle.USER_ALL && name == null) { |
| Slog.w(TAG, "Can't force stop all processes of all users, that is insane!"); |
| } |
| |
| if (appId < 0 && name != null) { |
| try { |
| appId = UserHandle.getAppId( |
| AppGlobals.getPackageManager().getPackageUid(name, 0)); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| if (doit) { |
| if (name != null) { |
| Slog.i(TAG, "Force stopping package " + name + " appid=" + appId |
| + " user=" + userId); |
| } else { |
| Slog.i(TAG, "Force stopping user " + userId); |
| } |
| |
| Iterator<SparseArray<Long>> badApps = mProcessCrashTimes.getMap().values().iterator(); |
| while (badApps.hasNext()) { |
| SparseArray<Long> ba = badApps.next(); |
| for (i=ba.size()-1; i>=0; i--) { |
| boolean remove = false; |
| final int entUid = ba.keyAt(i); |
| if (name != null) { |
| if (userId == UserHandle.USER_ALL) { |
| if (UserHandle.getAppId(entUid) == appId) { |
| remove = true; |
| } |
| } else { |
| if (entUid == UserHandle.getUid(userId, appId)) { |
| remove = true; |
| } |
| } |
| } else if (UserHandle.getUserId(entUid) == userId) { |
| remove = true; |
| } |
| if (remove) { |
| ba.removeAt(i); |
| } |
| } |
| if (ba.size() == 0) { |
| badApps.remove(); |
| } |
| } |
| } |
| |
| boolean didSomething = killPackageProcessesLocked(name, appId, userId, |
| -100, callerWillRestart, true, doit, evenPersistent, |
| name == null ? ("force stop user " + userId) : ("force stop " + name)); |
| |
| if (mStackSupervisor.forceStopPackageLocked(name, doit, evenPersistent, userId)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| } |
| |
| if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| } |
| |
| if (name == null) { |
| // Remove all sticky broadcasts from this user. |
| mStickyBroadcasts.remove(userId); |
| } |
| |
| ArrayList<ContentProviderRecord> providers = new ArrayList<ContentProviderRecord>(); |
| if (mProviderMap.collectForceStopProviders(name, appId, doit, evenPersistent, |
| userId, providers)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| } |
| N = providers.size(); |
| for (i=0; i<N; i++) { |
| removeDyingProviderLocked(null, providers.get(i), true); |
| } |
| |
| // Remove transient permissions granted from/to this package/user |
| removeUriPermissionsForPackageLocked(name, userId, false); |
| |
| if (name == null) { |
| // Remove pending intents. For now we only do this when force |
| // stopping users, because we have some problems when doing this |
| // for packages -- app widgets are not currently cleaned up for |
| // such packages, so they can be left with bad pending intents. |
| if (mIntentSenderRecords.size() > 0) { |
| Iterator<WeakReference<PendingIntentRecord>> it |
| = mIntentSenderRecords.values().iterator(); |
| while (it.hasNext()) { |
| WeakReference<PendingIntentRecord> wpir = it.next(); |
| if (wpir == null) { |
| it.remove(); |
| continue; |
| } |
| PendingIntentRecord pir = wpir.get(); |
| if (pir == null) { |
| it.remove(); |
| continue; |
| } |
| if (name == null) { |
| // Stopping user, remove all objects for the user. |
| if (pir.key.userId != userId) { |
| // Not the same user, skip it. |
| continue; |
| } |
| } else { |
| if (UserHandle.getAppId(pir.uid) != appId) { |
| // Different app id, skip it. |
| continue; |
| } |
| if (userId != UserHandle.USER_ALL && pir.key.userId != userId) { |
| // Different user, skip it. |
| continue; |
| } |
| if (!pir.key.packageName.equals(name)) { |
| // Different package, skip it. |
| continue; |
| } |
| } |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| it.remove(); |
| pir.canceled = true; |
| if (pir.key.activity != null) { |
| pir.key.activity.pendingResults.remove(pir.ref); |
| } |
| } |
| } |
| } |
| |
| if (doit) { |
| if (purgeCache && name != null) { |
| AttributeCache ac = AttributeCache.instance(); |
| if (ac != null) { |
| ac.removePackage(name); |
| } |
| } |
| if (mBooted) { |
| mStackSupervisor.resumeTopActivitiesLocked(); |
| mStackSupervisor.scheduleIdleLocked(); |
| } |
| } |
| |
| return didSomething; |
| } |
| |
| private final boolean removeProcessLocked(ProcessRecord app, |
| boolean callerWillRestart, boolean allowRestart, String reason) { |
| final String name = app.processName; |
| final int uid = app.uid; |
| if (DEBUG_PROCESSES) Slog.d( |
| TAG, "Force removing proc " + app.toShortString() + " (" + name |
| + "/" + uid + ")"); |
| |
| mProcessNames.remove(name, uid); |
| mIsolatedProcesses.remove(app.uid); |
| if (mHeavyWeightProcess == app) { |
| mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, |
| mHeavyWeightProcess.userId, 0)); |
| mHeavyWeightProcess = null; |
| } |
| boolean needRestart = false; |
| if (app.pid > 0 && app.pid != MY_PID) { |
| int pid = app.pid; |
| synchronized (mPidsSelfLocked) { |
| mPidsSelfLocked.remove(pid); |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| } |
| Slog.i(TAG, "Killing proc " + app.toShortString() + ": " + reason); |
| handleAppDiedLocked(app, true, allowRestart); |
| mLruProcesses.remove(app); |
| Process.killProcessQuiet(pid); |
| |
| if (app.persistent && !app.isolated) { |
| if (!callerWillRestart) { |
| addAppLocked(app.info, false); |
| } else { |
| needRestart = true; |
| } |
| } |
| } else { |
| mRemovedProcesses.add(app); |
| } |
| |
| return needRestart; |
| } |
| |
| private final void processStartTimedOutLocked(ProcessRecord app) { |
| final int pid = app.pid; |
| boolean gone = false; |
| synchronized (mPidsSelfLocked) { |
| ProcessRecord knownApp = mPidsSelfLocked.get(pid); |
| if (knownApp != null && knownApp.thread == null) { |
| mPidsSelfLocked.remove(pid); |
| gone = true; |
| } |
| } |
| |
| if (gone) { |
| Slog.w(TAG, "Process " + app + " failed to attach"); |
| EventLog.writeEvent(EventLogTags.AM_PROCESS_START_TIMEOUT, app.userId, |
| pid, app.uid, app.processName); |
| mProcessNames.remove(app.processName, app.uid); |
| mIsolatedProcesses.remove(app.uid); |
| if (mHeavyWeightProcess == app) { |
| mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, |
| mHeavyWeightProcess.userId, 0)); |
| mHeavyWeightProcess = null; |
| } |
| // Take care of any launching providers waiting for this process. |
| checkAppInLaunchingProvidersLocked(app, true); |
| // Take care of any services that are waiting for the process. |
| mServices.processStartTimedOutLocked(app); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, pid, |
| app.processName, app.setAdj, "start timeout"); |
| Process.killProcessQuiet(pid); |
| if (mBackupTarget != null && mBackupTarget.app.pid == pid) { |
| Slog.w(TAG, "Unattached app died before backup, skipping"); |
| try { |
| IBackupManager bm = IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| bm.agentDisconnected(app.info.packageName); |
| } catch (RemoteException e) { |
| // Can't happen; the backup manager is local |
| } |
| } |
| if (isPendingBroadcastProcessLocked(pid)) { |
| Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); |
| skipPendingBroadcastLocked(pid); |
| } |
| } else { |
| Slog.w(TAG, "Spurious process start timeout - pid not known for " + app); |
| } |
| } |
| |
| private final boolean attachApplicationLocked(IApplicationThread thread, |
| int pid) { |
| |
| // Find the application record that is being attached... either via |
| // the pid if we are running in multiple processes, or just pull the |
| // next app record if we are emulating process with anonymous threads. |
| ProcessRecord app; |
| if (pid != MY_PID && pid >= 0) { |
| synchronized (mPidsSelfLocked) { |
| app = mPidsSelfLocked.get(pid); |
| } |
| } else { |
| app = null; |
| } |
| |
| if (app == null) { |
| Slog.w(TAG, "No pending application record for pid " + pid |
| + " (IApplicationThread " + thread + "); dropping process"); |
| EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid); |
| if (pid > 0 && pid != MY_PID) { |
| Process.killProcessQuiet(pid); |
| } else { |
| try { |
| thread.scheduleExit(); |
| } catch (Exception e) { |
| // Ignore exceptions. |
| } |
| } |
| return false; |
| } |
| |
| // If this application record is still attached to a previous |
| // process, clean it up now. |
| if (app.thread != null) { |
| handleAppDiedLocked(app, true, true); |
| } |
| |
| // Tell the process all about itself. |
| |
| if (localLOGV) Slog.v( |
| TAG, "Binding process pid " + pid + " to record " + app); |
| |
| final String processName = app.processName; |
| try { |
| AppDeathRecipient adr = new AppDeathRecipient( |
| app, pid, thread); |
| thread.asBinder().linkToDeath(adr, 0); |
| app.deathRecipient = adr; |
| } catch (RemoteException e) { |
| app.resetPackageList(); |
| startProcessLocked(app, "link fail", processName); |
| return false; |
| } |
| |
| EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName); |
| |
| app.thread = thread; |
| app.curAdj = app.setAdj = -100; |
| app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.setSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.forcingToForeground = null; |
| app.foregroundServices = false; |
| app.hasShownUi = false; |
| app.debugging = false; |
| |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| |
| boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info); |
| List<ProviderInfo> providers = normalMode ? generateApplicationProvidersLocked(app) : null; |
| |
| if (!normalMode) { |
| Slog.i(TAG, "Launching preboot mode app: " + app); |
| } |
| |
| if (localLOGV) Slog.v( |
| TAG, "New app record " + app |
| + " thread=" + thread.asBinder() + " pid=" + pid); |
| try { |
| int testMode = IApplicationThread.DEBUG_OFF; |
| if (mDebugApp != null && mDebugApp.equals(processName)) { |
| testMode = mWaitForDebugger |
| ? IApplicationThread.DEBUG_WAIT |
| : IApplicationThread.DEBUG_ON; |
| app.debugging = true; |
| if (mDebugTransient) { |
| mDebugApp = mOrigDebugApp; |
| mWaitForDebugger = mOrigWaitForDebugger; |
| } |
| } |
| String profileFile = app.instrumentationProfileFile; |
| ParcelFileDescriptor profileFd = null; |
| boolean profileAutoStop = false; |
| if (mProfileApp != null && mProfileApp.equals(processName)) { |
| mProfileProc = app; |
| profileFile = mProfileFile; |
| profileFd = mProfileFd; |
| profileAutoStop = mAutoStopProfiler; |
| } |
| boolean enableOpenGlTrace = false; |
| if (mOpenGlTraceApp != null && mOpenGlTraceApp.equals(processName)) { |
| enableOpenGlTrace = true; |
| mOpenGlTraceApp = null; |
| } |
| |
| // If the app is being launched for restore or full backup, set it up specially |
| boolean isRestrictedBackupMode = false; |
| if (mBackupTarget != null && mBackupAppName.equals(processName)) { |
| isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE) |
| || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL) |
| || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL); |
| } |
| |
| ensurePackageDexOpt(app.instrumentationInfo != null |
| ? app.instrumentationInfo.packageName |
| : app.info.packageName); |
| if (app.instrumentationClass != null) { |
| ensurePackageDexOpt(app.instrumentationClass.getPackageName()); |
| } |
| if (DEBUG_CONFIGURATION) Slog.v(TAG, "Binding proc " |
| + processName + " with config " + mConfiguration); |
| ApplicationInfo appInfo = app.instrumentationInfo != null |
| ? app.instrumentationInfo : app.info; |
| app.compat = compatibilityInfoForPackageLocked(appInfo); |
| if (profileFd != null) { |
| profileFd = profileFd.dup(); |
| } |
| thread.bindApplication(processName, appInfo, providers, |
| app.instrumentationClass, profileFile, profileFd, profileAutoStop, |
| app.instrumentationArguments, app.instrumentationWatcher, |
| app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace, |
| isRestrictedBackupMode || !normalMode, app.persistent, |
| new Configuration(mConfiguration), app.compat, getCommonServicesLocked(), |
| mCoreSettingsObserver.getCoreSettingsLocked()); |
| updateLruProcessLocked(app, false); |
| app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis(); |
| } catch (Exception e) { |
| // todo: Yikes! What should we do? For now we will try to |
| // start another process, but that could easily get us in |
| // an infinite loop of restarting processes... |
| Slog.w(TAG, "Exception thrown during bind!", e); |
| |
| app.resetPackageList(); |
| app.unlinkDeathRecipient(); |
| startProcessLocked(app, "bind fail", processName); |
| return false; |
| } |
| |
| // Remove this record from the list of starting applications. |
| mPersistentStartingProcesses.remove(app); |
| if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, |
| "Attach application locked removing on hold: " + app); |
| mProcessesOnHold.remove(app); |
| |
| boolean badApp = false; |
| boolean didSomething = false; |
| |
| // See if the top visible activity is waiting to run in this process... |
| if (normalMode) { |
| try { |
| if (mStackSupervisor.attachApplicationLocked(app, mHeadless)) { |
| didSomething = true; |
| } |
| } catch (Exception e) { |
| badApp = true; |
| } |
| } |
| |
| // Find any services that should be running in this process... |
| if (!badApp) { |
| try { |
| didSomething |= mServices.attachApplicationLocked(app, processName); |
| } catch (Exception e) { |
| badApp = true; |
| } |
| } |
| |
| // Check if a next-broadcast receiver is in this process... |
| if (!badApp && isPendingBroadcastProcessLocked(pid)) { |
| try { |
| didSomething |= sendPendingBroadcastsLocked(app); |
| } catch (Exception e) { |
| // If the app died trying to launch the receiver we declare it 'bad' |
| badApp = true; |
| } |
| } |
| |
| // Check whether the next backup agent is in this process... |
| if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "New app is backup target, launching agent for " + app); |
| ensurePackageDexOpt(mBackupTarget.appInfo.packageName); |
| try { |
| thread.scheduleCreateBackupAgent(mBackupTarget.appInfo, |
| compatibilityInfoForPackageLocked(mBackupTarget.appInfo), |
| mBackupTarget.backupMode); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception scheduling backup agent creation: "); |
| e.printStackTrace(); |
| } |
| } |
| |
| if (badApp) { |
| // todo: Also need to kill application to deal with all |
| // kinds of exceptions. |
| handleAppDiedLocked(app, false, true); |
| return false; |
| } |
| |
| if (!didSomething) { |
| updateOomAdjLocked(); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public final void attachApplication(IApplicationThread thread) { |
| synchronized (this) { |
| int callingPid = Binder.getCallingPid(); |
| final long origId = Binder.clearCallingIdentity(); |
| attachApplicationLocked(thread, callingPid); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| @Override |
| public final void activityIdle(IBinder token, Configuration config, boolean stopProfiling) { |
| final long origId = Binder.clearCallingIdentity(); |
| synchronized (this) { |
| ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| ActivityRecord r = |
| mStackSupervisor.activityIdleInternalLocked(token, false, config); |
| if (stopProfiling) { |
| if ((mProfileProc == r.app) && (mProfileFd != null)) { |
| try { |
| mProfileFd.close(); |
| } catch (IOException e) { |
| } |
| clearProfilerLocked(); |
| } |
| } |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| void enableScreenAfterBoot() { |
| EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN, |
| SystemClock.uptimeMillis()); |
| mWindowManager.enableScreenAfterBoot(); |
| |
| synchronized (this) { |
| updateEventDispatchingLocked(); |
| } |
| } |
| |
| @Override |
| public void showBootMessage(final CharSequence msg, final boolean always) { |
| enforceNotIsolatedCaller("showBootMessage"); |
| mWindowManager.showBootMessage(msg, always); |
| } |
| |
| @Override |
| public void dismissKeyguardOnNextActivity() { |
| enforceNotIsolatedCaller("dismissKeyguardOnNextActivity"); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| synchronized (this) { |
| if (mLockScreenShown) { |
| mLockScreenShown = false; |
| comeOutOfSleepIfNeededLocked(); |
| } |
| mStackSupervisor.setDismissKeyguard(true); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| final void finishBooting() { |
| IntentFilter pkgFilter = new IntentFilter(); |
| pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); |
| pkgFilter.addDataScheme("package"); |
| mContext.registerReceiver(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String[] pkgs = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); |
| if (pkgs != null) { |
| for (String pkg : pkgs) { |
| synchronized (ActivityManagerService.this) { |
| if (forceStopPackageLocked(pkg, -1, false, false, false, false, 0)) { |
| setResultCode(Activity.RESULT_OK); |
| return; |
| } |
| } |
| } |
| } |
| } |
| }, pkgFilter); |
| |
| synchronized (this) { |
| // Ensure that any processes we had put on hold are now started |
| // up. |
| final int NP = mProcessesOnHold.size(); |
| if (NP > 0) { |
| ArrayList<ProcessRecord> procs = |
| new ArrayList<ProcessRecord>(mProcessesOnHold); |
| for (int ip=0; ip<NP; ip++) { |
| if (DEBUG_PROCESSES) Slog.v(TAG, "Starting process on hold: " |
| + procs.get(ip)); |
| startProcessLocked(procs.get(ip), "on-hold", null); |
| } |
| } |
| |
| if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| // Start looking for apps that are abusing wake locks. |
| Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); |
| mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); |
| // Tell anyone interested that we are done booting! |
| SystemProperties.set("sys.boot_completed", "1"); |
| SystemProperties.set("dev.bootcomplete", "1"); |
| for (int i=0; i<mStartedUsers.size(); i++) { |
| UserStartedState uss = mStartedUsers.valueAt(i); |
| if (uss.mState == UserStartedState.STATE_BOOTING) { |
| uss.mState = UserStartedState.STATE_RUNNING; |
| final int userId = mStartedUsers.keyAt(i); |
| Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, |
| android.Manifest.permission.RECEIVE_BOOT_COMPLETED, |
| AppOpsManager.OP_NONE, false, false, MY_PID, Process.SYSTEM_UID, |
| userId); |
| } |
| } |
| } |
| } |
| } |
| |
| final void ensureBootCompleted() { |
| boolean booting; |
| boolean enableScreen; |
| synchronized (this) { |
| booting = mBooting; |
| mBooting = false; |
| enableScreen = !mBooted; |
| mBooted = true; |
| } |
| |
| if (booting) { |
| finishBooting(); |
| } |
| |
| if (enableScreen) { |
| enableScreenAfterBoot(); |
| } |
| } |
| |
| @Override |
| public final void activityResumed(IBinder token) { |
| final long origId = Binder.clearCallingIdentity(); |
| synchronized(this) { |
| ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| ActivityRecord.activityResumedLocked(token); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| @Override |
| public final void activityPaused(IBinder token) { |
| final long origId = Binder.clearCallingIdentity(); |
| synchronized(this) { |
| ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| stack.activityPausedLocked(token, false); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| @Override |
| public final void activityStopped(IBinder token, Bundle icicle, Bitmap thumbnail, |
| CharSequence description) { |
| if (localLOGV) Slog.v( |
| TAG, "Activity stopped: token=" + token); |
| |
| // Refuse possible leaked file descriptors |
| if (icicle != null && icicle.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| } |
| |
| ActivityRecord r = null; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| synchronized (this) { |
| r = ActivityRecord.isInStackLocked(token); |
| if (r != null) { |
| r.task.stack.activityStoppedLocked(r, icicle, thumbnail, description); |
| } |
| } |
| |
| if (r != null) { |
| sendPendingThumbnail(r, null, null, null, false); |
| } |
| |
| trimApplications(); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| @Override |
| public final void activityDestroyed(IBinder token) { |
| if (DEBUG_SWITCH) Slog.v(TAG, "ACTIVITY DESTROYED: " + token); |
| synchronized (this) { |
| ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| stack.activityDestroyedLocked(token); |
| } |
| } |
| } |
| |
| @Override |
| public String getCallingPackage(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = getCallingRecordLocked(token); |
| return r != null ? r.info.packageName : null; |
| } |
| } |
| |
| @Override |
| public ComponentName getCallingActivity(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = getCallingRecordLocked(token); |
| return r != null ? r.intent.getComponent() : null; |
| } |
| } |
| |
| private ActivityRecord getCallingRecordLocked(IBinder token) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return null; |
| } |
| return r.resultTo; |
| } |
| |
| @Override |
| public ComponentName getActivityClassForToken(IBinder token) { |
| synchronized(this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return null; |
| } |
| return r.intent.getComponent(); |
| } |
| } |
| |
| @Override |
| public String getPackageForToken(IBinder token) { |
| synchronized(this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return null; |
| } |
| return r.packageName; |
| } |
| } |
| |
| @Override |
| public IIntentSender getIntentSender(int type, |
| String packageName, IBinder token, String resultWho, |
| int requestCode, Intent[] intents, String[] resolvedTypes, |
| int flags, Bundle options, int userId) { |
| enforceNotIsolatedCaller("getIntentSender"); |
| // Refuse possible leaked file descriptors |
| if (intents != null) { |
| if (intents.length < 1) { |
| throw new IllegalArgumentException("Intents array length must be >= 1"); |
| } |
| for (int i=0; i<intents.length; i++) { |
| Intent intent = intents[i]; |
| if (intent != null) { |
| if (intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| if (type == ActivityManager.INTENT_SENDER_BROADCAST && |
| (intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { |
| throw new IllegalArgumentException( |
| "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); |
| } |
| intents[i] = new Intent(intent); |
| } |
| } |
| if (resolvedTypes != null && resolvedTypes.length != intents.length) { |
| throw new IllegalArgumentException( |
| "Intent array length does not match resolvedTypes length"); |
| } |
| } |
| if (options != null) { |
| if (options.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in options"); |
| } |
| } |
| |
| synchronized(this) { |
| int callingUid = Binder.getCallingUid(); |
| int origUserId = userId; |
| userId = handleIncomingUser(Binder.getCallingPid(), callingUid, userId, |
| type == ActivityManager.INTENT_SENDER_BROADCAST, false, |
| "getIntentSender", null); |
| if (origUserId == UserHandle.USER_CURRENT) { |
| // We don't want to evaluate this until the pending intent is |
| // actually executed. However, we do want to always do the |
| // security checking for it above. |
| userId = UserHandle.USER_CURRENT; |
| } |
| try { |
| if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { |
| int uid = AppGlobals.getPackageManager() |
| .getPackageUid(packageName, UserHandle.getUserId(callingUid)); |
| if (!UserHandle.isSameApp(callingUid, uid)) { |
| String msg = "Permission Denial: getIntentSender() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + ", (need uid=" + uid + ")" |
| + " is not allowed to send as package " + packageName; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| } |
| |
| return getIntentSenderLocked(type, packageName, callingUid, userId, |
| token, resultWho, requestCode, intents, resolvedTypes, flags, options); |
| |
| } catch (RemoteException e) { |
| throw new SecurityException(e); |
| } |
| } |
| } |
| |
| IIntentSender getIntentSenderLocked(int type, String packageName, |
| int callingUid, int userId, IBinder token, String resultWho, |
| int requestCode, Intent[] intents, String[] resolvedTypes, int flags, |
| Bundle options) { |
| if (DEBUG_MU) |
| Slog.v(TAG_MU, "getIntentSenderLocked(): uid=" + callingUid); |
| ActivityRecord activity = null; |
| if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { |
| activity = ActivityRecord.isInStackLocked(token); |
| if (activity == null) { |
| return null; |
| } |
| if (activity.finishing) { |
| return null; |
| } |
| } |
| |
| final boolean noCreate = (flags&PendingIntent.FLAG_NO_CREATE) != 0; |
| final boolean cancelCurrent = (flags&PendingIntent.FLAG_CANCEL_CURRENT) != 0; |
| final boolean updateCurrent = (flags&PendingIntent.FLAG_UPDATE_CURRENT) != 0; |
| flags &= ~(PendingIntent.FLAG_NO_CREATE|PendingIntent.FLAG_CANCEL_CURRENT |
| |PendingIntent.FLAG_UPDATE_CURRENT); |
| |
| PendingIntentRecord.Key key = new PendingIntentRecord.Key( |
| type, packageName, activity, resultWho, |
| requestCode, intents, resolvedTypes, flags, options, userId); |
| WeakReference<PendingIntentRecord> ref; |
| ref = mIntentSenderRecords.get(key); |
| PendingIntentRecord rec = ref != null ? ref.get() : null; |
| if (rec != null) { |
| if (!cancelCurrent) { |
| if (updateCurrent) { |
| if (rec.key.requestIntent != null) { |
| rec.key.requestIntent.replaceExtras(intents != null ? |
| intents[intents.length - 1] : null); |
| } |
| if (intents != null) { |
| intents[intents.length-1] = rec.key.requestIntent; |
| rec.key.allIntents = intents; |
| rec.key.allResolvedTypes = resolvedTypes; |
| } else { |
| rec.key.allIntents = null; |
| rec.key.allResolvedTypes = null; |
| } |
| } |
| return rec; |
| } |
| rec.canceled = true; |
| mIntentSenderRecords.remove(key); |
| } |
| if (noCreate) { |
| return rec; |
| } |
| rec = new PendingIntentRecord(this, key, callingUid); |
| mIntentSenderRecords.put(key, rec.ref); |
| if (type == ActivityManager.INTENT_SENDER_ACTIVITY_RESULT) { |
| if (activity.pendingResults == null) { |
| activity.pendingResults |
| = new HashSet<WeakReference<PendingIntentRecord>>(); |
| } |
| activity.pendingResults.add(rec.ref); |
| } |
| return rec; |
| } |
| |
| @Override |
| public void cancelIntentSender(IIntentSender sender) { |
| if (!(sender instanceof PendingIntentRecord)) { |
| return; |
| } |
| synchronized(this) { |
| PendingIntentRecord rec = (PendingIntentRecord)sender; |
| try { |
| int uid = AppGlobals.getPackageManager() |
| .getPackageUid(rec.key.packageName, UserHandle.getCallingUserId()); |
| if (!UserHandle.isSameApp(uid, Binder.getCallingUid())) { |
| String msg = "Permission Denial: cancelIntentSender() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " is not allowed to cancel packges " |
| + rec.key.packageName; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| } catch (RemoteException e) { |
| throw new SecurityException(e); |
| } |
| cancelIntentSenderLocked(rec, true); |
| } |
| } |
| |
| void cancelIntentSenderLocked(PendingIntentRecord rec, boolean cleanActivity) { |
| rec.canceled = true; |
| mIntentSenderRecords.remove(rec.key); |
| if (cleanActivity && rec.key.activity != null) { |
| rec.key.activity.pendingResults.remove(rec.ref); |
| } |
| } |
| |
| @Override |
| public String getPackageForIntentSender(IIntentSender pendingResult) { |
| if (!(pendingResult instanceof PendingIntentRecord)) { |
| return null; |
| } |
| try { |
| PendingIntentRecord res = (PendingIntentRecord)pendingResult; |
| return res.key.packageName; |
| } catch (ClassCastException e) { |
| } |
| return null; |
| } |
| |
| @Override |
| public int getUidForIntentSender(IIntentSender sender) { |
| if (sender instanceof PendingIntentRecord) { |
| try { |
| PendingIntentRecord res = (PendingIntentRecord)sender; |
| return res.uid; |
| } catch (ClassCastException e) { |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public boolean isIntentSenderTargetedToPackage(IIntentSender pendingResult) { |
| if (!(pendingResult instanceof PendingIntentRecord)) { |
| return false; |
| } |
| try { |
| PendingIntentRecord res = (PendingIntentRecord)pendingResult; |
| if (res.key.allIntents == null) { |
| return false; |
| } |
| for (int i=0; i<res.key.allIntents.length; i++) { |
| Intent intent = res.key.allIntents[i]; |
| if (intent.getPackage() != null && intent.getComponent() != null) { |
| return false; |
| } |
| } |
| return true; |
| } catch (ClassCastException e) { |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isIntentSenderAnActivity(IIntentSender pendingResult) { |
| if (!(pendingResult instanceof PendingIntentRecord)) { |
| return false; |
| } |
| try { |
| PendingIntentRecord res = (PendingIntentRecord)pendingResult; |
| if (res.key.type == ActivityManager.INTENT_SENDER_ACTIVITY) { |
| return true; |
| } |
| return false; |
| } catch (ClassCastException e) { |
| } |
| return false; |
| } |
| |
| @Override |
| public Intent getIntentForIntentSender(IIntentSender pendingResult) { |
| if (!(pendingResult instanceof PendingIntentRecord)) { |
| return null; |
| } |
| try { |
| PendingIntentRecord res = (PendingIntentRecord)pendingResult; |
| return res.key.requestIntent != null ? new Intent(res.key.requestIntent) : null; |
| } catch (ClassCastException e) { |
| } |
| return null; |
| } |
| |
| @Override |
| public void setProcessLimit(int max) { |
| enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, |
| "setProcessLimit()"); |
| synchronized (this) { |
| mProcessLimit = max < 0 ? ProcessList.MAX_HIDDEN_APPS : max; |
| mProcessLimitOverride = max; |
| } |
| trimApplications(); |
| } |
| |
| @Override |
| public int getProcessLimit() { |
| synchronized (this) { |
| return mProcessLimitOverride; |
| } |
| } |
| |
| void foregroundTokenDied(ForegroundToken token) { |
| synchronized (ActivityManagerService.this) { |
| synchronized (mPidsSelfLocked) { |
| ForegroundToken cur |
| = mForegroundProcesses.get(token.pid); |
| if (cur != token) { |
| return; |
| } |
| mForegroundProcesses.remove(token.pid); |
| ProcessRecord pr = mPidsSelfLocked.get(token.pid); |
| if (pr == null) { |
| return; |
| } |
| pr.forcingToForeground = null; |
| pr.foregroundServices = false; |
| } |
| updateOomAdjLocked(); |
| } |
| } |
| |
| @Override |
| public void setProcessForeground(IBinder token, int pid, boolean isForeground) { |
| enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, |
| "setProcessForeground()"); |
| synchronized(this) { |
| boolean changed = false; |
| |
| synchronized (mPidsSelfLocked) { |
| ProcessRecord pr = mPidsSelfLocked.get(pid); |
| if (pr == null && isForeground) { |
| Slog.w(TAG, "setProcessForeground called on unknown pid: " + pid); |
| return; |
| } |
| ForegroundToken oldToken = mForegroundProcesses.get(pid); |
| if (oldToken != null) { |
| oldToken.token.unlinkToDeath(oldToken, 0); |
| mForegroundProcesses.remove(pid); |
| if (pr != null) { |
| pr.forcingToForeground = null; |
| } |
| changed = true; |
| } |
| if (isForeground && token != null) { |
| ForegroundToken newToken = new ForegroundToken() { |
| @Override |
| public void binderDied() { |
| foregroundTokenDied(this); |
| } |
| }; |
| newToken.pid = pid; |
| newToken.token = token; |
| try { |
| token.linkToDeath(newToken, 0); |
| mForegroundProcesses.put(pid, newToken); |
| pr.forcingToForeground = token; |
| changed = true; |
| } catch (RemoteException e) { |
| // If the process died while doing this, we will later |
| // do the cleanup with the process death link. |
| } |
| } |
| } |
| |
| if (changed) { |
| updateOomAdjLocked(); |
| } |
| } |
| } |
| |
| // ========================================================= |
| // PERMISSIONS |
| // ========================================================= |
| |
| static class PermissionController extends IPermissionController.Stub { |
| ActivityManagerService mActivityManagerService; |
| PermissionController(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| public boolean checkPermission(String permission, int pid, int uid) { |
| return mActivityManagerService.checkPermission(permission, pid, |
| uid) == PackageManager.PERMISSION_GRANTED; |
| } |
| } |
| |
| class IntentFirewallInterface implements IntentFirewall.AMSInterface { |
| @Override |
| public int checkComponentPermission(String permission, int pid, int uid, |
| int owningUid, boolean exported) { |
| return ActivityManagerService.this.checkComponentPermission(permission, pid, uid, |
| owningUid, exported); |
| } |
| |
| @Override |
| public Object getAMSLock() { |
| return ActivityManagerService.this; |
| } |
| } |
| |
| /** |
| * This can be called with or without the global lock held. |
| */ |
| int checkComponentPermission(String permission, int pid, int uid, |
| int owningUid, boolean exported) { |
| // We might be performing an operation on behalf of an indirect binder |
| // invocation, e.g. via {@link #openContentUri}. Check and adjust the |
| // client identity accordingly before proceeding. |
| Identity tlsIdentity = sCallerIdentity.get(); |
| if (tlsIdentity != null) { |
| Slog.d(TAG, "checkComponentPermission() adjusting {pid,uid} to {" |
| + tlsIdentity.pid + "," + tlsIdentity.uid + "}"); |
| uid = tlsIdentity.uid; |
| pid = tlsIdentity.pid; |
| } |
| |
| if (pid == MY_PID) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| |
| return ActivityManager.checkComponentPermission(permission, uid, |
| owningUid, exported); |
| } |
| |
| /** |
| * As the only public entry point for permissions checking, this method |
| * can enforce the semantic that requesting a check on a null global |
| * permission is automatically denied. (Internally a null permission |
| * string is used when calling {@link #checkComponentPermission} in cases |
| * when only uid-based security is needed.) |
| * |
| * This can be called with or without the global lock held. |
| */ |
| @Override |
| public int checkPermission(String permission, int pid, int uid) { |
| if (permission == null) { |
| return PackageManager.PERMISSION_DENIED; |
| } |
| return checkComponentPermission(permission, pid, UserHandle.getAppId(uid), -1, true); |
| } |
| |
| /** |
| * Binder IPC calls go through the public entry point. |
| * This can be called with or without the global lock held. |
| */ |
| int checkCallingPermission(String permission) { |
| return checkPermission(permission, |
| Binder.getCallingPid(), |
| UserHandle.getAppId(Binder.getCallingUid())); |
| } |
| |
| /** |
| * This can be called with or without the global lock held. |
| */ |
| void enforceCallingPermission(String permission, String func) { |
| if (checkCallingPermission(permission) |
| == PackageManager.PERMISSION_GRANTED) { |
| return; |
| } |
| |
| String msg = "Permission Denial: " + func + " from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + permission; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| /** |
| * Determine if UID is holding permissions required to access {@link Uri} in |
| * the given {@link ProviderInfo}. Final permission checking is always done |
| * in {@link ContentProvider}. |
| */ |
| private final boolean checkHoldingPermissionsLocked( |
| IPackageManager pm, ProviderInfo pi, Uri uri, int uid, int modeFlags) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "checkHoldingPermissionsLocked: uri=" + uri + " uid=" + uid); |
| |
| if (pi.applicationInfo.uid == uid) { |
| return true; |
| } else if (!pi.exported) { |
| return false; |
| } |
| |
| boolean readMet = (modeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0; |
| boolean writeMet = (modeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0; |
| try { |
| // check if target holds top-level <provider> permissions |
| if (!readMet && pi.readPermission != null |
| && (pm.checkUidPermission(pi.readPermission, uid) == PERMISSION_GRANTED)) { |
| readMet = true; |
| } |
| if (!writeMet && pi.writePermission != null |
| && (pm.checkUidPermission(pi.writePermission, uid) == PERMISSION_GRANTED)) { |
| writeMet = true; |
| } |
| |
| // track if unprotected read/write is allowed; any denied |
| // <path-permission> below removes this ability |
| boolean allowDefaultRead = pi.readPermission == null; |
| boolean allowDefaultWrite = pi.writePermission == null; |
| |
| // check if target holds any <path-permission> that match uri |
| final PathPermission[] pps = pi.pathPermissions; |
| if (pps != null) { |
| final String path = uri.getPath(); |
| int i = pps.length; |
| while (i > 0 && (!readMet || !writeMet)) { |
| i--; |
| PathPermission pp = pps[i]; |
| if (pp.match(path)) { |
| if (!readMet) { |
| final String pprperm = pp.getReadPermission(); |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking read perm for " |
| + pprperm + " for " + pp.getPath() |
| + ": match=" + pp.match(path) |
| + " check=" + pm.checkUidPermission(pprperm, uid)); |
| if (pprperm != null) { |
| if (pm.checkUidPermission(pprperm, uid) == PERMISSION_GRANTED) { |
| readMet = true; |
| } else { |
| allowDefaultRead = false; |
| } |
| } |
| } |
| if (!writeMet) { |
| final String ppwperm = pp.getWritePermission(); |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Checking write perm " |
| + ppwperm + " for " + pp.getPath() |
| + ": match=" + pp.match(path) |
| + " check=" + pm.checkUidPermission(ppwperm, uid)); |
| if (ppwperm != null) { |
| if (pm.checkUidPermission(ppwperm, uid) == PERMISSION_GRANTED) { |
| writeMet = true; |
| } else { |
| allowDefaultWrite = false; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // grant unprotected <provider> read/write, if not blocked by |
| // <path-permission> above |
| if (allowDefaultRead) readMet = true; |
| if (allowDefaultWrite) writeMet = true; |
| |
| } catch (RemoteException e) { |
| return false; |
| } |
| |
| return readMet && writeMet; |
| } |
| |
| private ProviderInfo getProviderInfoLocked(String authority, int userHandle) { |
| ProviderInfo pi = null; |
| ContentProviderRecord cpr = mProviderMap.getProviderByName(authority, userHandle); |
| if (cpr != null) { |
| pi = cpr.info; |
| } else { |
| try { |
| pi = AppGlobals.getPackageManager().resolveContentProvider( |
| authority, PackageManager.GET_URI_PERMISSION_PATTERNS, userHandle); |
| } catch (RemoteException ex) { |
| } |
| } |
| return pi; |
| } |
| |
| private UriPermission findOrCreateUriPermissionLocked( |
| String sourcePkg, String targetPkg, int targetUid, Uri uri) { |
| HashMap<Uri, UriPermission> targetUris = mGrantedUriPermissions.get(targetUid); |
| if (targetUris == null) { |
| targetUris = Maps.newHashMap(); |
| mGrantedUriPermissions.put(targetUid, targetUris); |
| } |
| |
| UriPermission perm = targetUris.get(uri); |
| if (perm == null) { |
| perm = new UriPermission(sourcePkg, targetPkg, targetUid, uri); |
| targetUris.put(uri, perm); |
| } |
| |
| return perm; |
| } |
| |
| private final boolean checkUriPermissionLocked(Uri uri, int uid, |
| int modeFlags) { |
| // Root gets to do everything. |
| if (uid == 0) { |
| return true; |
| } |
| HashMap<Uri, UriPermission> perms = mGrantedUriPermissions.get(uid); |
| if (perms == null) return false; |
| UriPermission perm = perms.get(uri); |
| if (perm == null) return false; |
| return (modeFlags&perm.modeFlags) == modeFlags; |
| } |
| |
| @Override |
| public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) { |
| enforceNotIsolatedCaller("checkUriPermission"); |
| |
| // Another redirected-binder-call permissions check as in |
| // {@link checkComponentPermission}. |
| Identity tlsIdentity = sCallerIdentity.get(); |
| if (tlsIdentity != null) { |
| uid = tlsIdentity.uid; |
| pid = tlsIdentity.pid; |
| } |
| |
| // Our own process gets to do everything. |
| if (pid == MY_PID) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| synchronized(this) { |
| return checkUriPermissionLocked(uri, uid, modeFlags) |
| ? PackageManager.PERMISSION_GRANTED |
| : PackageManager.PERMISSION_DENIED; |
| } |
| } |
| |
| /** |
| * Check if the targetPkg can be granted permission to access uri by |
| * the callingUid using the given modeFlags. Throws a security exception |
| * if callingUid is not allowed to do this. Returns the uid of the target |
| * if the URI permission grant should be performed; returns -1 if it is not |
| * needed (for example targetPkg already has permission to access the URI). |
| * If you already know the uid of the target, you can supply it in |
| * lastTargetUid else set that to -1. |
| */ |
| int checkGrantUriPermissionLocked(int callingUid, String targetPkg, |
| Uri uri, int modeFlags, int lastTargetUid) { |
| final boolean persist = (modeFlags & Intent.FLAG_PERSIST_GRANT_URI_PERMISSION) != 0; |
| modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| if (modeFlags == 0) { |
| return -1; |
| } |
| |
| if (targetPkg != null) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Checking grant " + targetPkg + " permission to " + uri); |
| } |
| |
| final IPackageManager pm = AppGlobals.getPackageManager(); |
| |
| // If this is not a content: uri, we can't do anything with it. |
| if (!ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Can't grant URI permission for non-content URI: " + uri); |
| return -1; |
| } |
| |
| final String authority = uri.getAuthority(); |
| final ProviderInfo pi = getProviderInfoLocked(authority, UserHandle.getUserId(callingUid)); |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for permission check: " + uri.toSafeString()); |
| return -1; |
| } |
| |
| int targetUid = lastTargetUid; |
| if (targetUid < 0 && targetPkg != null) { |
| try { |
| targetUid = pm.getPackageUid(targetPkg, UserHandle.getUserId(callingUid)); |
| if (targetUid < 0) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Can't grant URI permission no uid for: " + targetPkg); |
| return -1; |
| } |
| } catch (RemoteException ex) { |
| return -1; |
| } |
| } |
| |
| if (targetUid >= 0) { |
| // First... does the target actually need this permission? |
| if (checkHoldingPermissionsLocked(pm, pi, uri, targetUid, modeFlags) && !persist) { |
| // No need to grant the target this permission. |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Target " + targetPkg + " already has full permission to " + uri); |
| return -1; |
| } |
| } else { |
| // First... there is no target package, so can anyone access it? |
| boolean allowed = pi.exported; |
| if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| if (pi.readPermission != null) { |
| allowed = false; |
| } |
| } |
| if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| if (pi.writePermission != null) { |
| allowed = false; |
| } |
| } |
| if (allowed && !persist) { |
| return -1; |
| } |
| } |
| |
| // Second... is the provider allowing granting of URI permissions? |
| if (!pi.grantUriPermissions) { |
| throw new SecurityException("Provider " + pi.packageName |
| + "/" + pi.name |
| + " does not allow granting of Uri permissions (uri " |
| + uri + ")"); |
| } |
| if (pi.uriPermissionPatterns != null) { |
| final int N = pi.uriPermissionPatterns.length; |
| boolean allowed = false; |
| for (int i=0; i<N; i++) { |
| if (pi.uriPermissionPatterns[i] != null |
| && pi.uriPermissionPatterns[i].match(uri.getPath())) { |
| allowed = true; |
| break; |
| } |
| } |
| if (!allowed) { |
| throw new SecurityException("Provider " + pi.packageName |
| + "/" + pi.name |
| + " does not allow granting of permission to path of Uri " |
| + uri); |
| } |
| } |
| |
| // Third... does the caller itself have permission to access |
| // this uri? |
| if (callingUid != Process.myUid()) { |
| if (!checkHoldingPermissionsLocked(pm, pi, uri, callingUid, modeFlags)) { |
| if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { |
| throw new SecurityException("Uid " + callingUid |
| + " does not have permission to uri " + uri); |
| } |
| } |
| } |
| |
| return targetUid; |
| } |
| |
| @Override |
| public int checkGrantUriPermission(int callingUid, String targetPkg, |
| Uri uri, int modeFlags) { |
| enforceNotIsolatedCaller("checkGrantUriPermission"); |
| synchronized(this) { |
| return checkGrantUriPermissionLocked(callingUid, targetPkg, uri, modeFlags, -1); |
| } |
| } |
| |
| void grantUriPermissionUncheckedLocked( |
| int targetUid, String targetPkg, Uri uri, int modeFlags, UriPermissionOwner owner) { |
| final boolean persist = (modeFlags & Intent.FLAG_PERSIST_GRANT_URI_PERMISSION) != 0; |
| modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| if (modeFlags == 0) { |
| return; |
| } |
| |
| // So here we are: the caller has the assumed permission |
| // to the uri, and the target doesn't. Let's now give this to |
| // the target. |
| |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Granting " + targetPkg + "/" + targetUid + " permission to " + uri); |
| |
| final String authority = uri.getAuthority(); |
| final ProviderInfo pi = getProviderInfoLocked(authority, UserHandle.getUserId(targetUid)); |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for grant: " + uri.toSafeString()); |
| return; |
| } |
| |
| final UriPermission perm = findOrCreateUriPermissionLocked( |
| pi.packageName, targetPkg, targetUid, uri); |
| final boolean persistChanged = perm.grantModes(modeFlags, persist, owner); |
| if (persistChanged) { |
| mHandler.removeMessages(PERSIST_URI_GRANTS); |
| mHandler.obtainMessage(PERSIST_URI_GRANTS).sendToTarget(); |
| } |
| } |
| |
| void grantUriPermissionLocked(int callingUid, String targetPkg, Uri uri, |
| int modeFlags, UriPermissionOwner owner) { |
| if (targetPkg == null) { |
| throw new NullPointerException("targetPkg"); |
| } |
| |
| int targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, uri, modeFlags, -1); |
| if (targetUid < 0) { |
| return; |
| } |
| |
| grantUriPermissionUncheckedLocked(targetUid, targetPkg, uri, modeFlags, owner); |
| } |
| |
| static class NeededUriGrants extends ArrayList<Uri> { |
| final String targetPkg; |
| final int targetUid; |
| final int flags; |
| |
| NeededUriGrants(String targetPkg, int targetUid, int flags) { |
| this.targetPkg = targetPkg; |
| this.targetUid = targetUid; |
| this.flags = flags; |
| } |
| } |
| |
| /** |
| * Like checkGrantUriPermissionLocked, but takes an Intent. |
| */ |
| NeededUriGrants checkGrantUriPermissionFromIntentLocked(int callingUid, |
| String targetPkg, Intent intent, int mode, NeededUriGrants needed) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Checking URI perm to data=" + (intent != null ? intent.getData() : null) |
| + " clip=" + (intent != null ? intent.getClipData() : null) |
| + " from " + intent + "; flags=0x" |
| + Integer.toHexString(intent != null ? intent.getFlags() : 0)); |
| |
| if (targetPkg == null) { |
| throw new NullPointerException("targetPkg"); |
| } |
| |
| if (intent == null) { |
| return null; |
| } |
| Uri data = intent.getData(); |
| ClipData clip = intent.getClipData(); |
| if (data == null && clip == null) { |
| return null; |
| } |
| if (data != null) { |
| int targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, data, |
| mode, needed != null ? needed.targetUid : -1); |
| if (targetUid > 0) { |
| if (needed == null) { |
| needed = new NeededUriGrants(targetPkg, targetUid, mode); |
| } |
| needed.add(data); |
| } |
| } |
| if (clip != null) { |
| for (int i=0; i<clip.getItemCount(); i++) { |
| Uri uri = clip.getItemAt(i).getUri(); |
| if (uri != null) { |
| int targetUid = -1; |
| targetUid = checkGrantUriPermissionLocked(callingUid, targetPkg, uri, |
| mode, needed != null ? needed.targetUid : -1); |
| if (targetUid > 0) { |
| if (needed == null) { |
| needed = new NeededUriGrants(targetPkg, targetUid, mode); |
| } |
| needed.add(uri); |
| } |
| } else { |
| Intent clipIntent = clip.getItemAt(i).getIntent(); |
| if (clipIntent != null) { |
| NeededUriGrants newNeeded = checkGrantUriPermissionFromIntentLocked( |
| callingUid, targetPkg, clipIntent, mode, needed); |
| if (newNeeded != null) { |
| needed = newNeeded; |
| } |
| } |
| } |
| } |
| } |
| |
| return needed; |
| } |
| |
| /** |
| * Like grantUriPermissionUncheckedLocked, but takes an Intent. |
| */ |
| void grantUriPermissionUncheckedFromIntentLocked(NeededUriGrants needed, |
| UriPermissionOwner owner) { |
| if (needed != null) { |
| for (int i=0; i<needed.size(); i++) { |
| grantUriPermissionUncheckedLocked(needed.targetUid, needed.targetPkg, |
| needed.get(i), needed.flags, owner); |
| } |
| } |
| } |
| |
| void grantUriPermissionFromIntentLocked(int callingUid, |
| String targetPkg, Intent intent, UriPermissionOwner owner) { |
| NeededUriGrants needed = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg, |
| intent, intent != null ? intent.getFlags() : 0, null); |
| if (needed == null) { |
| return; |
| } |
| |
| grantUriPermissionUncheckedFromIntentLocked(needed, owner); |
| } |
| |
| @Override |
| public void grantUriPermission(IApplicationThread caller, String targetPkg, |
| Uri uri, int modeFlags) { |
| enforceNotIsolatedCaller("grantUriPermission"); |
| synchronized(this) { |
| final ProcessRecord r = getRecordForAppLocked(caller); |
| if (r == null) { |
| throw new SecurityException("Unable to find app for caller " |
| + caller |
| + " when granting permission to uri " + uri); |
| } |
| if (targetPkg == null) { |
| throw new IllegalArgumentException("null target"); |
| } |
| if (uri == null) { |
| throw new IllegalArgumentException("null uri"); |
| } |
| |
| grantUriPermissionLocked(r.uid, targetPkg, uri, modeFlags, |
| null); |
| } |
| } |
| |
| void removeUriPermissionIfNeededLocked(UriPermission perm) { |
| if ((perm.modeFlags&(Intent.FLAG_GRANT_READ_URI_PERMISSION |
| |Intent.FLAG_GRANT_WRITE_URI_PERMISSION)) == 0) { |
| HashMap<Uri, UriPermission> perms |
| = mGrantedUriPermissions.get(perm.targetUid); |
| if (perms != null) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Removing " + perm.targetUid + " permission to " + perm.uri); |
| perms.remove(perm.uri); |
| if (perms.size() == 0) { |
| mGrantedUriPermissions.remove(perm.targetUid); |
| } |
| } |
| } |
| } |
| |
| private void revokeUriPermissionLocked( |
| int callingUid, Uri uri, int modeFlags, boolean persist) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, "Revoking all granted permissions to " + uri); |
| |
| final IPackageManager pm = AppGlobals.getPackageManager(); |
| final String authority = uri.getAuthority(); |
| final ProviderInfo pi = getProviderInfoLocked(authority, UserHandle.getUserId(callingUid)); |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for permission revoke: " + uri.toSafeString()); |
| return; |
| } |
| |
| // Does the caller have this permission on the URI? |
| if (!checkHoldingPermissionsLocked(pm, pi, uri, callingUid, modeFlags)) { |
| // Right now, if you are not the original owner of the permission, |
| // you are not allowed to revoke it. |
| //if (!checkUriPermissionLocked(uri, callingUid, modeFlags)) { |
| throw new SecurityException("Uid " + callingUid |
| + " does not have permission to uri " + uri); |
| //} |
| } |
| |
| boolean persistChanged = false; |
| |
| // Go through all of the permissions and remove any that match. |
| final List<String> SEGMENTS = uri.getPathSegments(); |
| if (SEGMENTS != null) { |
| final int NS = SEGMENTS.size(); |
| int N = mGrantedUriPermissions.size(); |
| for (int i=0; i<N; i++) { |
| HashMap<Uri, UriPermission> perms |
| = mGrantedUriPermissions.valueAt(i); |
| Iterator<UriPermission> it = perms.values().iterator(); |
| toploop: |
| while (it.hasNext()) { |
| UriPermission perm = it.next(); |
| Uri targetUri = perm.uri; |
| if (!authority.equals(targetUri.getAuthority())) { |
| continue; |
| } |
| List<String> targetSegments = targetUri.getPathSegments(); |
| if (targetSegments == null) { |
| continue; |
| } |
| if (targetSegments.size() < NS) { |
| continue; |
| } |
| for (int j=0; j<NS; j++) { |
| if (!SEGMENTS.get(j).equals(targetSegments.get(j))) { |
| continue toploop; |
| } |
| } |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Revoking " + perm.targetUid + " permission to " + perm.uri); |
| persistChanged |= perm.clearModes(modeFlags, persist); |
| if (perm.modeFlags == 0) { |
| it.remove(); |
| } |
| } |
| if (perms.size() == 0) { |
| mGrantedUriPermissions.remove( |
| mGrantedUriPermissions.keyAt(i)); |
| N--; |
| i--; |
| } |
| } |
| } |
| |
| if (persistChanged) { |
| mHandler.removeMessages(PERSIST_URI_GRANTS); |
| mHandler.obtainMessage(PERSIST_URI_GRANTS).sendToTarget(); |
| } |
| } |
| |
| public void revokeUriPermission(IApplicationThread caller, Uri uri, |
| int modeFlags) { |
| enforceNotIsolatedCaller("revokeUriPermission"); |
| synchronized(this) { |
| final ProcessRecord r = getRecordForAppLocked(caller); |
| if (r == null) { |
| throw new SecurityException("Unable to find app for caller " |
| + caller |
| + " when revoking permission to uri " + uri); |
| } |
| if (uri == null) { |
| Slog.w(TAG, "revokeUriPermission: null uri"); |
| return; |
| } |
| |
| final boolean persist = (modeFlags & Intent.FLAG_PERSIST_GRANT_URI_PERMISSION) != 0; |
| modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| if (modeFlags == 0) { |
| return; |
| } |
| |
| final IPackageManager pm = AppGlobals.getPackageManager(); |
| final String authority = uri.getAuthority(); |
| final ProviderInfo pi = getProviderInfoLocked(authority, r.userId); |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for permission revoke: " |
| + uri.toSafeString()); |
| return; |
| } |
| |
| revokeUriPermissionLocked(r.uid, uri, modeFlags, persist); |
| } |
| } |
| |
| /** |
| * Remove any {@link UriPermission} granted <em>from</em> or <em>to</em> the |
| * given package. |
| * |
| * @param packageName Package name to match, or {@code null} to apply to all |
| * packages. |
| * @param userHandle User to match, or {@link UserHandle#USER_ALL} to apply |
| * to all users. |
| * @param persist If persistent grants should be removed. |
| */ |
| private void removeUriPermissionsForPackageLocked( |
| String packageName, int userHandle, boolean persist) { |
| if (userHandle == UserHandle.USER_ALL && packageName == null) { |
| throw new IllegalArgumentException("Must narrow by either package or user"); |
| } |
| |
| boolean persistChanged = false; |
| |
| final int size = mGrantedUriPermissions.size(); |
| for (int i = 0; i < size; i++) { |
| // Only inspect grants matching user |
| if (userHandle == UserHandle.USER_ALL |
| || userHandle == UserHandle.getUserId(mGrantedUriPermissions.keyAt(i))) { |
| final Iterator<UriPermission> it = mGrantedUriPermissions.valueAt(i) |
| .values().iterator(); |
| while (it.hasNext()) { |
| final UriPermission perm = it.next(); |
| |
| // Only inspect grants matching package |
| if (packageName == null || perm.sourcePkg.equals(packageName) |
| || perm.targetPkg.equals(packageName)) { |
| persistChanged |= perm.clearModes(~0, persist); |
| |
| // Only remove when no modes remain; any persisted grants |
| // will keep this alive. |
| if (perm.modeFlags == 0) { |
| it.remove(); |
| } |
| } |
| } |
| } |
| } |
| |
| if (persistChanged) { |
| mHandler.removeMessages(PERSIST_URI_GRANTS); |
| mHandler.obtainMessage(PERSIST_URI_GRANTS).sendToTarget(); |
| } |
| } |
| |
| @Override |
| public IBinder newUriPermissionOwner(String name) { |
| enforceNotIsolatedCaller("newUriPermissionOwner"); |
| synchronized(this) { |
| UriPermissionOwner owner = new UriPermissionOwner(this, name); |
| return owner.getExternalTokenLocked(); |
| } |
| } |
| |
| @Override |
| public void grantUriPermissionFromOwner(IBinder token, int fromUid, String targetPkg, |
| Uri uri, int modeFlags) { |
| synchronized(this) { |
| UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); |
| if (owner == null) { |
| throw new IllegalArgumentException("Unknown owner: " + token); |
| } |
| if (fromUid != Binder.getCallingUid()) { |
| if (Binder.getCallingUid() != Process.myUid()) { |
| // Only system code can grant URI permissions on behalf |
| // of other users. |
| throw new SecurityException("nice try"); |
| } |
| } |
| if (targetPkg == null) { |
| throw new IllegalArgumentException("null target"); |
| } |
| if (uri == null) { |
| throw new IllegalArgumentException("null uri"); |
| } |
| |
| grantUriPermissionLocked(fromUid, targetPkg, uri, modeFlags, owner); |
| } |
| } |
| |
| @Override |
| public void revokeUriPermissionFromOwner(IBinder token, Uri uri, int mode) { |
| synchronized(this) { |
| UriPermissionOwner owner = UriPermissionOwner.fromExternalToken(token); |
| if (owner == null) { |
| throw new IllegalArgumentException("Unknown owner: " + token); |
| } |
| |
| if (uri == null) { |
| owner.removeUriPermissionsLocked(mode); |
| } else { |
| owner.removeUriPermissionLocked(uri, mode); |
| } |
| } |
| } |
| |
| private void writeGrantedUriPermissions() { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, "writeGrantedUriPermissions()"); |
| |
| // Snapshot permissions so we can persist without lock |
| ArrayList<UriPermission.Snapshot> persist = Lists.newArrayList(); |
| synchronized (this) { |
| final int size = mGrantedUriPermissions.size(); |
| for (int i = 0 ; i < size; i++) { |
| for (UriPermission perm : mGrantedUriPermissions.valueAt(i).values()) { |
| if (perm.persistedModeFlags != 0) { |
| persist.add(perm.snapshot()); |
| } |
| } |
| } |
| } |
| |
| FileOutputStream fos = null; |
| try { |
| fos = mGrantFile.startWrite(); |
| |
| XmlSerializer out = new FastXmlSerializer(); |
| out.setOutput(fos, "utf-8"); |
| out.startDocument(null, true); |
| out.startTag(null, TAG_URI_GRANTS); |
| for (UriPermission.Snapshot perm : persist) { |
| out.startTag(null, TAG_URI_GRANT); |
| writeIntAttribute(out, ATTR_USER_HANDLE, perm.userHandle); |
| out.attribute(null, ATTR_SOURCE_PKG, perm.sourcePkg); |
| out.attribute(null, ATTR_TARGET_PKG, perm.targetPkg); |
| out.attribute(null, ATTR_URI, String.valueOf(perm.uri)); |
| writeIntAttribute(out, ATTR_MODE_FLAGS, perm.persistedModeFlags); |
| out.endTag(null, TAG_URI_GRANT); |
| } |
| out.endTag(null, TAG_URI_GRANTS); |
| out.endDocument(); |
| |
| mGrantFile.finishWrite(fos); |
| } catch (IOException e) { |
| if (fos != null) { |
| mGrantFile.failWrite(fos); |
| } |
| } |
| } |
| |
| private void readGrantedUriPermissionsLocked() { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, "readGrantedUriPermissions()"); |
| |
| FileInputStream fis = null; |
| try { |
| fis = mGrantFile.openRead(); |
| final XmlPullParser in = Xml.newPullParser(); |
| in.setInput(fis, null); |
| |
| int type; |
| while ((type = in.next()) != END_DOCUMENT) { |
| final String tag = in.getName(); |
| if (type == START_TAG) { |
| if (TAG_URI_GRANT.equals(tag)) { |
| final int userHandle = readIntAttribute(in, ATTR_USER_HANDLE); |
| final String sourcePkg = in.getAttributeValue(null, ATTR_SOURCE_PKG); |
| final String targetPkg = in.getAttributeValue(null, ATTR_TARGET_PKG); |
| final Uri uri = Uri.parse(in.getAttributeValue(null, ATTR_URI)); |
| final int modeFlags = readIntAttribute(in, ATTR_MODE_FLAGS); |
| |
| // Sanity check that provider still belongs to source package |
| final ProviderInfo pi = getProviderInfoLocked( |
| uri.getAuthority(), userHandle); |
| if (pi != null && sourcePkg.equals(pi.packageName)) { |
| int targetUid = -1; |
| try { |
| targetUid = AppGlobals.getPackageManager() |
| .getPackageUid(targetPkg, userHandle); |
| } catch (RemoteException e) { |
| } |
| if (targetUid != -1) { |
| final UriPermission perm = findOrCreateUriPermissionLocked( |
| sourcePkg, targetPkg, targetUid, uri); |
| perm.grantModes(modeFlags, true, null); |
| } |
| } else { |
| Slog.w(TAG, "Persisted grant for " + uri + " had source " + sourcePkg |
| + " but instead found " + pi); |
| } |
| } |
| } |
| } |
| } catch (FileNotFoundException e) { |
| // Missing grants is okay |
| } catch (IOException e) { |
| Log.wtf(TAG, "Failed reading Uri grants", e); |
| } catch (XmlPullParserException e) { |
| Log.wtf(TAG, "Failed reading Uri grants", e); |
| } finally { |
| IoUtils.closeQuietly(fis); |
| } |
| } |
| |
| public void showWaitingForDebugger(IApplicationThread who, boolean waiting) { |
| synchronized (this) { |
| ProcessRecord app = |
| who != null ? getRecordForAppLocked(who) : null; |
| if (app == null) return; |
| |
| Message msg = Message.obtain(); |
| msg.what = WAIT_FOR_DEBUGGER_MSG; |
| msg.obj = app; |
| msg.arg1 = waiting ? 1 : 0; |
| mHandler.sendMessage(msg); |
| } |
| } |
| |
| public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) { |
| final long homeAppMem = mProcessList.getMemLevel(ProcessList.HOME_APP_ADJ); |
| final long hiddenAppMem = mProcessList.getMemLevel(ProcessList.HIDDEN_APP_MIN_ADJ); |
| outInfo.availMem = Process.getFreeMemory(); |
| outInfo.totalMem = Process.getTotalMemory(); |
| outInfo.threshold = homeAppMem; |
| outInfo.lowMemory = outInfo.availMem < (homeAppMem + ((hiddenAppMem-homeAppMem)/2)); |
| outInfo.hiddenAppThreshold = hiddenAppMem; |
| outInfo.secondaryServerThreshold = mProcessList.getMemLevel( |
| ProcessList.SERVICE_ADJ); |
| outInfo.visibleAppThreshold = mProcessList.getMemLevel( |
| ProcessList.VISIBLE_APP_ADJ); |
| outInfo.foregroundAppThreshold = mProcessList.getMemLevel( |
| ProcessList.FOREGROUND_APP_ADJ); |
| } |
| |
| // ========================================================= |
| // TASK MANAGEMENT |
| // ========================================================= |
| |
| @Override |
| public List<RunningTaskInfo> getTasks(int maxNum, int flags, |
| IThumbnailReceiver receiver) { |
| ArrayList<RunningTaskInfo> list = new ArrayList<RunningTaskInfo>(); |
| |
| PendingThumbnailsRecord pending = new PendingThumbnailsRecord(receiver); |
| ActivityRecord topRecord = null; |
| |
| synchronized(this) { |
| if (localLOGV) Slog.v( |
| TAG, "getTasks: max=" + maxNum + ", flags=" + flags |
| + ", receiver=" + receiver); |
| |
| if (checkCallingPermission(android.Manifest.permission.GET_TASKS) |
| != PackageManager.PERMISSION_GRANTED) { |
| if (receiver != null) { |
| // If the caller wants to wait for pending thumbnails, |
| // it ain't gonna get them. |
| try { |
| receiver.finished(); |
| } catch (RemoteException ex) { |
| } |
| } |
| String msg = "Permission Denial: getTasks() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.GET_TASKS; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| // TODO: Improve with MRU list from all ActivityStacks. |
| topRecord = mStackSupervisor.getTasksLocked(maxNum, receiver, pending, list); |
| |
| if (!pending.pendingRecords.isEmpty()) { |
| mPendingThumbnails.add(pending); |
| } |
| } |
| |
| if (localLOGV) Slog.v(TAG, "We have pending thumbnails: " + pending); |
| |
| if (topRecord != null) { |
| if (localLOGV) Slog.v(TAG, "Requesting top thumbnail"); |
| try { |
| IApplicationThread topThumbnail = topRecord.app.thread; |
| topThumbnail.requestThumbnail(topRecord.appToken); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception thrown when requesting thumbnail", e); |
| sendPendingThumbnail(null, topRecord.appToken, null, null, true); |
| } |
| } |
| |
| if (pending == null && receiver != null) { |
| // In this case all thumbnails were available and the client |
| // is being asked to be told when the remaining ones come in... |
| // which is unusually, since the top-most currently running |
| // activity should never have a canned thumbnail! Oh well. |
| try { |
| receiver.finished(); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| return list; |
| } |
| |
| @Override |
| public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, |
| int flags, int userId) { |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "getRecentTasks", null); |
| |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.GET_TASKS, |
| "getRecentTasks()"); |
| final boolean detailed = checkCallingPermission( |
| android.Manifest.permission.GET_DETAILED_TASKS) |
| == PackageManager.PERMISSION_GRANTED; |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| |
| final int N = mRecentTasks.size(); |
| ArrayList<ActivityManager.RecentTaskInfo> res |
| = new ArrayList<ActivityManager.RecentTaskInfo>( |
| maxNum < N ? maxNum : N); |
| for (int i=0; i<N && maxNum > 0; i++) { |
| TaskRecord tr = mRecentTasks.get(i); |
| // Only add calling user's recent tasks |
| if (tr.userId != userId) continue; |
| // Return the entry if desired by the caller. We always return |
| // the first entry, because callers always expect this to be the |
| // foreground app. We may filter others if the caller has |
| // not supplied RECENT_WITH_EXCLUDED and there is some reason |
| // we should exclude the entry. |
| |
| if (i == 0 |
| || ((flags&ActivityManager.RECENT_WITH_EXCLUDED) != 0) |
| || (tr.intent == null) |
| || ((tr.intent.getFlags() |
| &Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS) == 0)) { |
| ActivityManager.RecentTaskInfo rti |
| = new ActivityManager.RecentTaskInfo(); |
| rti.id = tr.numActivities > 0 ? tr.taskId : -1; |
| rti.persistentId = tr.taskId; |
| rti.baseIntent = new Intent( |
| tr.intent != null ? tr.intent : tr.affinityIntent); |
| if (!detailed) { |
| rti.baseIntent.replaceExtras((Bundle)null); |
| } |
| rti.origActivity = tr.origActivity; |
| rti.description = tr.lastDescription; |
| |
| if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0) { |
| // Check whether this activity is currently available. |
| try { |
| if (rti.origActivity != null) { |
| if (pm.getActivityInfo(rti.origActivity, 0, userId) |
| == null) { |
| continue; |
| } |
| } else if (rti.baseIntent != null) { |
| if (pm.queryIntentActivities(rti.baseIntent, |
| null, 0, userId) == null) { |
| continue; |
| } |
| } |
| } catch (RemoteException e) { |
| // Will never happen. |
| } |
| } |
| |
| res.add(rti); |
| maxNum--; |
| } |
| } |
| return res; |
| } |
| } |
| |
| private TaskRecord recentTaskForIdLocked(int id) { |
| final int N = mRecentTasks.size(); |
| for (int i=0; i<N; i++) { |
| TaskRecord tr = mRecentTasks.get(i); |
| if (tr.taskId == id) { |
| return tr; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public ActivityManager.TaskThumbnails getTaskThumbnails(int id) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, |
| "getTaskThumbnails()"); |
| TaskRecord tr = recentTaskForIdLocked(id); |
| if (tr != null) { |
| return tr.getTaskThumbnailsLocked(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Bitmap getTaskTopThumbnail(int id) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, |
| "getTaskTopThumbnail()"); |
| TaskRecord tr = recentTaskForIdLocked(id); |
| if (tr != null) { |
| return tr.getTaskTopThumbnailLocked(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean removeSubTask(int taskId, int subTaskIndex) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, |
| "removeSubTask()"); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| TaskRecord tr = recentTaskForIdLocked(taskId); |
| if (tr != null) { |
| return tr.removeTaskActivitiesLocked(subTaskIndex, true) != null; |
| } |
| return false; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private void cleanUpRemovedTaskLocked(TaskRecord tr, int flags) { |
| mRecentTasks.remove(tr); |
| mStackSupervisor.removeTask(tr); |
| final boolean killProcesses = (flags&ActivityManager.REMOVE_TASK_KILL_PROCESS) != 0; |
| Intent baseIntent = new Intent( |
| tr.intent != null ? tr.intent : tr.affinityIntent); |
| ComponentName component = baseIntent.getComponent(); |
| if (component == null) { |
| Slog.w(TAG, "Now component for base intent of task: " + tr); |
| return; |
| } |
| |
| // Find any running services associated with this app. |
| mServices.cleanUpRemovedTaskLocked(tr, component, baseIntent); |
| |
| if (killProcesses) { |
| // Find any running processes associated with this app. |
| final String pkg = component.getPackageName(); |
| ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); |
| HashMap<String, SparseArray<ProcessRecord>> pmap = mProcessNames.getMap(); |
| for (SparseArray<ProcessRecord> uids : pmap.values()) { |
| for (int i=0; i<uids.size(); i++) { |
| ProcessRecord proc = uids.valueAt(i); |
| if (proc.userId != tr.userId) { |
| continue; |
| } |
| if (!proc.pkgList.contains(pkg)) { |
| continue; |
| } |
| procs.add(proc); |
| } |
| } |
| |
| // Kill the running processes. |
| for (int i=0; i<procs.size(); i++) { |
| ProcessRecord pr = procs.get(i); |
| if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { |
| Slog.i(TAG, "Killing " + pr.toShortString() + ": remove task"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, pr.userId, pr.pid, |
| pr.processName, pr.setAdj, "remove task"); |
| pr.killedBackground = true; |
| Process.killProcessQuiet(pr.pid); |
| } else { |
| pr.waitingToKill = "remove task"; |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean removeTask(int taskId, int flags) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, |
| "removeTask()"); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| TaskRecord tr = recentTaskForIdLocked(taskId); |
| if (tr != null) { |
| ActivityRecord r = tr.removeTaskActivitiesLocked(-1, false); |
| if (r != null) { |
| cleanUpRemovedTaskLocked(tr, flags); |
| return true; |
| } |
| if (tr.mActivities.size() == 0) { |
| // Caller is just removing a recent task that is |
| // not actively running. That is easy! |
| cleanUpRemovedTaskLocked(tr, flags); |
| return true; |
| } |
| Slog.w(TAG, "removeTask: task " + taskId |
| + " does not have activities to remove, " |
| + " but numActivities=" + tr.numActivities |
| + ": " + tr); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * TODO: Add mController hook |
| */ |
| @Override |
| public void moveTaskToFront(int task, int flags, Bundle options) { |
| enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| "moveTaskToFront()"); |
| |
| synchronized(this) { |
| if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), |
| Binder.getCallingUid(), "Task to front")) { |
| ActivityOptions.abort(options); |
| return; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| ActivityOptions.abort(options); |
| } |
| } |
| |
| @Override |
| public void moveTaskToBack(int taskId) { |
| enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| "moveTaskToBack()"); |
| |
| synchronized(this) { |
| TaskRecord tr = recentTaskForIdLocked(taskId); |
| if (tr != null) { |
| ActivityStack stack = tr.stack; |
| if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) { |
| if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), |
| Binder.getCallingUid(), "Task to back")) { |
| return; |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| stack.moveTaskToBackLocked(taskId, null); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| /** |
| * Moves an activity, and all of the other activities within the same task, to the bottom |
| * of the history stack. The activity's order within the task is unchanged. |
| * |
| * @param token A reference to the activity we wish to move |
| * @param nonRoot If false then this only works if the activity is the root |
| * of a task; if true it will work for any activity in a task. |
| * @return Returns true if the move completed, false if not. |
| */ |
| @Override |
| public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { |
| enforceNotIsolatedCaller("moveActivityTaskToBack"); |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot); |
| if (taskId >= 0) { |
| return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null); |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| return false; |
| } |
| |
| @Override |
| public void moveTaskBackwards(int task) { |
| enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| "moveTaskBackwards()"); |
| |
| synchronized(this) { |
| if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), |
| Binder.getCallingUid(), "Task backwards")) { |
| return; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| moveTaskBackwardsLocked(task); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| private final void moveTaskBackwardsLocked(int task) { |
| Slog.e(TAG, "moveTaskBackwards not yet implemented!"); |
| } |
| |
| @Override |
| public int createStack(int taskId, int relativeStackId, int position, float weight) { |
| synchronized (this) { |
| if (mStackSupervisor.getStack(relativeStackId) == null) { |
| return -1; |
| } |
| int stackId = mStackSupervisor.createStack(); |
| mWindowManager.createStack(stackId, relativeStackId, position, weight); |
| if (taskId > 0) { |
| moveTaskToStack(taskId, stackId, true); |
| } |
| return stackId; |
| } |
| } |
| |
| @Override |
| public void moveTaskToStack(int taskId, int stackId, boolean toTop) { |
| if (stackId == HOME_STACK_ID) { |
| Slog.e(TAG, "moveTaskToStack: Attempt to move task to home stack", |
| new RuntimeException("here").fillInStackTrace()); |
| return; |
| } |
| synchronized (this) { |
| mWindowManager.moveTaskToStack(taskId, stackId, toTop); |
| mStackSupervisor.moveTaskToStack(taskId, stackId, toTop); |
| } |
| } |
| |
| @Override |
| public void resizeStack(int stackId, float weight) { |
| mWindowManager.resizeStack(stackId, weight); |
| } |
| |
| @Override |
| public List<ActivityManager.StackInfo> getStacks() { |
| synchronized (this) { |
| ArrayList<ActivityManager.StackInfo> list = new ArrayList<ActivityManager.StackInfo>(); |
| ArrayList<ActivityStack> stacks = mStackSupervisor.getStacks(); |
| for (ActivityStack stack : stacks) { |
| ActivityManager.StackInfo stackInfo = new ActivityManager.StackInfo(); |
| int stackId = stack.mStackId; |
| stackInfo.stackId = stackId; |
| stackInfo.bounds = mWindowManager.getStackBounds(stackId); |
| ArrayList<TaskRecord> tasks = stack.getAllTasks(); |
| final int numTasks = tasks.size(); |
| int[] taskIds = new int[numTasks]; |
| String[] taskNames = new String[numTasks]; |
| for (int i = 0; i < numTasks; ++i) { |
| final TaskRecord task = tasks.get(i); |
| taskIds[i] = task.taskId; |
| taskNames[i] = task.origActivity != null ? task.origActivity.flattenToString() |
| : task.realActivity != null ? task.realActivity.flattenToString() |
| : task.getTopActivity() != null ? task.getTopActivity().packageName |
| : "unknown"; |
| } |
| stackInfo.taskIds = taskIds; |
| stackInfo.taskNames = taskNames; |
| list.add(stackInfo); |
| } |
| return list; |
| } |
| } |
| |
| @Override |
| public int getTaskForActivity(IBinder token, boolean onlyRoot) { |
| synchronized(this) { |
| return ActivityRecord.getTaskForActivityLocked(token, onlyRoot); |
| } |
| } |
| |
| // ========================================================= |
| // THUMBNAILS |
| // ========================================================= |
| |
| public void reportThumbnail(IBinder token, |
| Bitmap thumbnail, CharSequence description) { |
| //System.out.println("Report thumbnail for " + token + ": " + thumbnail); |
| final long origId = Binder.clearCallingIdentity(); |
| sendPendingThumbnail(null, token, thumbnail, description, true); |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| final void sendPendingThumbnail(ActivityRecord r, IBinder token, |
| Bitmap thumbnail, CharSequence description, boolean always) { |
| TaskRecord task; |
| ArrayList<PendingThumbnailsRecord> receivers = null; |
| |
| //System.out.println("Send pending thumbnail: " + r); |
| |
| synchronized(this) { |
| if (r == null) { |
| r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| return; |
| } |
| } |
| if (thumbnail == null && r.thumbHolder != null) { |
| thumbnail = r.thumbHolder.lastThumbnail; |
| description = r.thumbHolder.lastDescription; |
| } |
| if (thumbnail == null && !always) { |
| // If there is no thumbnail, and this entry is not actually |
| // going away, then abort for now and pick up the next |
| // thumbnail we get. |
| return; |
| } |
| task = r.task; |
| |
| int N = mPendingThumbnails.size(); |
| int i=0; |
| while (i<N) { |
| PendingThumbnailsRecord pr = mPendingThumbnails.get(i); |
| //System.out.println("Looking in " + pr.pendingRecords); |
| if (pr.pendingRecords.remove(r)) { |
| if (receivers == null) { |
| receivers = new ArrayList<PendingThumbnailsRecord>(); |
| } |
| receivers.add(pr); |
| if (pr.pendingRecords.size() == 0) { |
| pr.finished = true; |
| mPendingThumbnails.remove(i); |
| N--; |
| continue; |
| } |
| } |
| i++; |
| } |
| } |
| |
| if (receivers != null) { |
| final int N = receivers.size(); |
| for (int i=0; i<N; i++) { |
| try { |
| PendingThumbnailsRecord pr = receivers.get(i); |
| pr.receiver.newThumbnail( |
| task != null ? task.taskId : -1, thumbnail, description); |
| if (pr.finished) { |
| pr.receiver.finished(); |
| } |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception thrown when sending thumbnail", e); |
| } |
| } |
| } |
| } |
| |
| // ========================================================= |
| // CONTENT PROVIDERS |
| // ========================================================= |
| |
| private final List<ProviderInfo> generateApplicationProvidersLocked(ProcessRecord app) { |
| List<ProviderInfo> providers = null; |
| try { |
| providers = AppGlobals.getPackageManager(). |
| queryContentProviders(app.processName, app.uid, |
| STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| if (DEBUG_MU) |
| Slog.v(TAG_MU, "generateApplicationProvidersLocked, app.info.uid = " + app.uid); |
| int userId = app.userId; |
| if (providers != null) { |
| int N = providers.size(); |
| for (int i=0; i<N; i++) { |
| ProviderInfo cpi = |
| (ProviderInfo)providers.get(i); |
| boolean singleton = isSingleton(cpi.processName, cpi.applicationInfo, |
| cpi.name, cpi.flags); |
| if (singleton && UserHandle.getUserId(app.uid) != 0) { |
| // This is a singleton provider, but a user besides the |
| // default user is asking to initialize a process it runs |
| // in... well, no, it doesn't actually run in this process, |
| // it runs in the process of the default user. Get rid of it. |
| providers.remove(i); |
| N--; |
| continue; |
| } |
| |
| ComponentName comp = new ComponentName(cpi.packageName, cpi.name); |
| ContentProviderRecord cpr = mProviderMap.getProviderByClass(comp, userId); |
| if (cpr == null) { |
| cpr = new ContentProviderRecord(this, cpi, app.info, comp, singleton); |
| mProviderMap.putProviderByClass(comp, cpr); |
| } |
| if (DEBUG_MU) |
| Slog.v(TAG_MU, "generateApplicationProvidersLocked, cpi.uid = " + cpr.uid); |
| app.pubProviders.put(cpi.name, cpr); |
| app.addPackage(cpi.applicationInfo.packageName); |
| ensurePackageDexOpt(cpi.applicationInfo.packageName); |
| } |
| } |
| return providers; |
| } |
| |
| /** |
| * Check if {@link ProcessRecord} has a possible chance at accessing the |
| * given {@link ProviderInfo}. Final permission checking is always done |
| * in {@link ContentProvider}. |
| */ |
| private final String checkContentProviderPermissionLocked( |
| ProviderInfo cpi, ProcessRecord r) { |
| final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); |
| final int callingUid = (r != null) ? r.uid : Binder.getCallingUid(); |
| if (checkComponentPermission(cpi.readPermission, callingPid, callingUid, |
| cpi.applicationInfo.uid, cpi.exported) |
| == PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| if (checkComponentPermission(cpi.writePermission, callingPid, callingUid, |
| cpi.applicationInfo.uid, cpi.exported) |
| == PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| |
| PathPermission[] pps = cpi.pathPermissions; |
| if (pps != null) { |
| int i = pps.length; |
| while (i > 0) { |
| i--; |
| PathPermission pp = pps[i]; |
| if (checkComponentPermission(pp.getReadPermission(), callingPid, callingUid, |
| cpi.applicationInfo.uid, cpi.exported) |
| == PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| if (checkComponentPermission(pp.getWritePermission(), callingPid, callingUid, |
| cpi.applicationInfo.uid, cpi.exported) |
| == PackageManager.PERMISSION_GRANTED) { |
| return null; |
| } |
| } |
| } |
| |
| HashMap<Uri, UriPermission> perms = mGrantedUriPermissions.get(callingUid); |
| if (perms != null) { |
| for (Map.Entry<Uri, UriPermission> uri : perms.entrySet()) { |
| if (uri.getKey().getAuthority().equals(cpi.authority)) { |
| return null; |
| } |
| } |
| } |
| |
| String msg; |
| if (!cpi.exported) { |
| msg = "Permission Denial: opening provider " + cpi.name |
| + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid |
| + ", uid=" + callingUid + ") that is not exported from uid " |
| + cpi.applicationInfo.uid; |
| } else { |
| msg = "Permission Denial: opening provider " + cpi.name |
| + " from " + (r != null ? r : "(null)") + " (pid=" + callingPid |
| + ", uid=" + callingUid + ") requires " |
| + cpi.readPermission + " or " + cpi.writePermission; |
| } |
| Slog.w(TAG, msg); |
| return msg; |
| } |
| |
| ContentProviderConnection incProviderCountLocked(ProcessRecord r, |
| final ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { |
| if (r != null) { |
| for (int i=0; i<r.conProviders.size(); i++) { |
| ContentProviderConnection conn = r.conProviders.get(i); |
| if (conn.provider == cpr) { |
| if (DEBUG_PROVIDER) Slog.v(TAG, |
| "Adding provider requested by " |
| + r.processName + " from process " |
| + cpr.info.processName + ": " + cpr.name.flattenToShortString() |
| + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); |
| if (stable) { |
| conn.stableCount++; |
| conn.numStableIncs++; |
| } else { |
| conn.unstableCount++; |
| conn.numUnstableIncs++; |
| } |
| return conn; |
| } |
| } |
| ContentProviderConnection conn = new ContentProviderConnection(cpr, r); |
| if (stable) { |
| conn.stableCount = 1; |
| conn.numStableIncs = 1; |
| } else { |
| conn.unstableCount = 1; |
| conn.numUnstableIncs = 1; |
| } |
| cpr.connections.add(conn); |
| r.conProviders.add(conn); |
| return conn; |
| } |
| cpr.addExternalProcessHandleLocked(externalProcessToken); |
| return null; |
| } |
| |
| boolean decProviderCountLocked(ContentProviderConnection conn, |
| ContentProviderRecord cpr, IBinder externalProcessToken, boolean stable) { |
| if (conn != null) { |
| cpr = conn.provider; |
| if (DEBUG_PROVIDER) Slog.v(TAG, |
| "Removing provider requested by " |
| + conn.client.processName + " from process " |
| + cpr.info.processName + ": " + cpr.name.flattenToShortString() |
| + " scnt=" + conn.stableCount + " uscnt=" + conn.unstableCount); |
| if (stable) { |
| conn.stableCount--; |
| } else { |
| conn.unstableCount--; |
| } |
| if (conn.stableCount == 0 && conn.unstableCount == 0) { |
| cpr.connections.remove(conn); |
| conn.client.conProviders.remove(conn); |
| return true; |
| } |
| return false; |
| } |
| cpr.removeExternalProcessHandleLocked(externalProcessToken); |
| return false; |
| } |
| |
| private final ContentProviderHolder getContentProviderImpl(IApplicationThread caller, |
| String name, IBinder token, boolean stable, int userId) { |
| ContentProviderRecord cpr; |
| ContentProviderConnection conn = null; |
| ProviderInfo cpi = null; |
| |
| synchronized(this) { |
| ProcessRecord r = null; |
| if (caller != null) { |
| r = getRecordForAppLocked(caller); |
| if (r == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when getting content provider " + name); |
| } |
| } |
| |
| // First check if this content provider has been published... |
| cpr = mProviderMap.getProviderByName(name, userId); |
| boolean providerRunning = cpr != null; |
| if (providerRunning) { |
| cpi = cpr.info; |
| String msg; |
| if ((msg=checkContentProviderPermissionLocked(cpi, r)) != null) { |
| throw new SecurityException(msg); |
| } |
| |
| if (r != null && cpr.canRunHere(r)) { |
| // This provider has been published or is in the process |
| // of being published... but it is also allowed to run |
| // in the caller's process, so don't make a connection |
| // and just let the caller instantiate its own instance. |
| ContentProviderHolder holder = cpr.newHolder(null); |
| // don't give caller the provider object, it needs |
| // to make its own. |
| holder.provider = null; |
| return holder; |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| // In this case the provider instance already exists, so we can |
| // return it right away. |
| conn = incProviderCountLocked(r, cpr, token, stable); |
| if (conn != null && (conn.stableCount+conn.unstableCount) == 1) { |
| if (cpr.proc != null && r.setAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { |
| // If this is a perceptible app accessing the provider, |
| // make sure to count it as being accessed and thus |
| // back up on the LRU list. This is good because |
| // content providers are often expensive to start. |
| updateLruProcessLocked(cpr.proc, false); |
| } |
| } |
| |
| if (cpr.proc != null) { |
| if (false) { |
| if (cpr.name.flattenToShortString().equals( |
| "com.android.providers.calendar/.CalendarProvider2")) { |
| Slog.v(TAG, "****************** KILLING " |
| + cpr.name.flattenToShortString()); |
| Process.killProcess(cpr.proc.pid); |
| } |
| } |
| boolean success = updateOomAdjLocked(cpr.proc); |
| if (DEBUG_PROVIDER) Slog.i(TAG, "Adjust success: " + success); |
| // NOTE: there is still a race here where a signal could be |
| // pending on the process even though we managed to update its |
| // adj level. Not sure what to do about this, but at least |
| // the race is now smaller. |
| if (!success) { |
| // Uh oh... it looks like the provider's process |
| // has been killed on us. We need to wait for a new |
| // process to be started, and make sure its death |
| // doesn't kill our process. |
| Slog.i(TAG, |
| "Existing provider " + cpr.name.flattenToShortString() |
| + " is crashing; detaching " + r); |
| boolean lastRef = decProviderCountLocked(conn, cpr, token, stable); |
| appDiedLocked(cpr.proc, cpr.proc.pid, cpr.proc.thread); |
| if (!lastRef) { |
| // This wasn't the last ref our process had on |
| // the provider... we have now been killed, bail. |
| return null; |
| } |
| providerRunning = false; |
| conn = null; |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| boolean singleton; |
| if (!providerRunning) { |
| try { |
| cpi = AppGlobals.getPackageManager(). |
| resolveContentProvider(name, |
| STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS, userId); |
| } catch (RemoteException ex) { |
| } |
| if (cpi == null) { |
| return null; |
| } |
| singleton = isSingleton(cpi.processName, cpi.applicationInfo, |
| cpi.name, cpi.flags); |
| if (singleton) { |
| userId = 0; |
| } |
| cpi.applicationInfo = getAppInfoForUser(cpi.applicationInfo, userId); |
| |
| String msg; |
| if ((msg=checkContentProviderPermissionLocked(cpi, r)) != null) { |
| throw new SecurityException(msg); |
| } |
| |
| if (!mProcessesReady && !mDidUpdate && !mWaitingUpdate |
| && !cpi.processName.equals("system")) { |
| // If this content provider does not run in the system |
| // process, and the system is not yet ready to run other |
| // processes, then fail fast instead of hanging. |
| throw new IllegalArgumentException( |
| "Attempt to launch content provider before system ready"); |
| } |
| |
| // Make sure that the user who owns this provider is started. If not, |
| // we don't want to allow it to run. |
| if (mStartedUsers.get(userId) == null) { |
| Slog.w(TAG, "Unable to launch app " |
| + cpi.applicationInfo.packageName + "/" |
| + cpi.applicationInfo.uid + " for provider " |
| + name + ": user " + userId + " is stopped"); |
| return null; |
| } |
| |
| ComponentName comp = new ComponentName(cpi.packageName, cpi.name); |
| cpr = mProviderMap.getProviderByClass(comp, userId); |
| final boolean firstClass = cpr == null; |
| if (firstClass) { |
| try { |
| ApplicationInfo ai = |
| AppGlobals.getPackageManager(). |
| getApplicationInfo( |
| cpi.applicationInfo.packageName, |
| STOCK_PM_FLAGS, userId); |
| if (ai == null) { |
| Slog.w(TAG, "No package info for content provider " |
| + cpi.name); |
| return null; |
| } |
| ai = getAppInfoForUser(ai, userId); |
| cpr = new ContentProviderRecord(this, cpi, ai, comp, singleton); |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| } |
| |
| if (r != null && cpr.canRunHere(r)) { |
| // If this is a multiprocess provider, then just return its |
| // info and allow the caller to instantiate it. Only do |
| // this if the provider is the same user as the caller's |
| // process, or can run as root (so can be in any process). |
| return cpr.newHolder(null); |
| } |
| |
| if (DEBUG_PROVIDER) { |
| RuntimeException e = new RuntimeException("here"); |
| Slog.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + (r != null ? r.uid : null) |
| + " pruid " + cpr.appInfo.uid + "): " + cpr.info.name, e); |
| } |
| |
| // This is single process, and our app is now connecting to it. |
| // See if we are already in the process of launching this |
| // provider. |
| final int N = mLaunchingProviders.size(); |
| int i; |
| for (i=0; i<N; i++) { |
| if (mLaunchingProviders.get(i) == cpr) { |
| break; |
| } |
| } |
| |
| // If the provider is not already being launched, then get it |
| // started. |
| if (i >= N) { |
| final long origId = Binder.clearCallingIdentity(); |
| |
| try { |
| // Content provider is now in use, its package can't be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| cpr.appInfo.packageName, false, userId); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + cpr.appInfo.packageName + ": " + e); |
| } |
| |
| ProcessRecord proc = startProcessLocked(cpi.processName, |
| cpr.appInfo, false, 0, "content provider", |
| new ComponentName(cpi.applicationInfo.packageName, |
| cpi.name), false, false); |
| if (proc == null) { |
| Slog.w(TAG, "Unable to launch app " |
| + cpi.applicationInfo.packageName + "/" |
| + cpi.applicationInfo.uid + " for provider " |
| + name + ": process is bad"); |
| return null; |
| } |
| cpr.launchingApp = proc; |
| mLaunchingProviders.add(cpr); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| // Make sure the provider is published (the same provider class |
| // may be published under multiple names). |
| if (firstClass) { |
| mProviderMap.putProviderByClass(comp, cpr); |
| } |
| |
| mProviderMap.putProviderByName(name, cpr); |
| conn = incProviderCountLocked(r, cpr, token, stable); |
| if (conn != null) { |
| conn.waiting = true; |
| } |
| } |
| } |
| |
| // Wait for the provider to be published... |
| synchronized (cpr) { |
| while (cpr.provider == null) { |
| if (cpr.launchingApp == null) { |
| Slog.w(TAG, "Unable to launch app " |
| + cpi.applicationInfo.packageName + "/" |
| + cpi.applicationInfo.uid + " for provider " |
| + name + ": launching app became null"); |
| EventLog.writeEvent(EventLogTags.AM_PROVIDER_LOST_PROCESS, |
| UserHandle.getUserId(cpi.applicationInfo.uid), |
| cpi.applicationInfo.packageName, |
| cpi.applicationInfo.uid, name); |
| return null; |
| } |
| try { |
| if (DEBUG_MU) { |
| Slog.v(TAG_MU, "Waiting to start provider " + cpr + " launchingApp=" |
| + cpr.launchingApp); |
| } |
| if (conn != null) { |
| conn.waiting = true; |
| } |
| cpr.wait(); |
| } catch (InterruptedException ex) { |
| } finally { |
| if (conn != null) { |
| conn.waiting = false; |
| } |
| } |
| } |
| } |
| return cpr != null ? cpr.newHolder(conn) : null; |
| } |
| |
| public final ContentProviderHolder getContentProvider( |
| IApplicationThread caller, String name, int userId, boolean stable) { |
| enforceNotIsolatedCaller("getContentProvider"); |
| if (caller == null) { |
| String msg = "null IApplicationThread when getting content provider " |
| + name; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "getContentProvider", null); |
| return getContentProviderImpl(caller, name, null, stable, userId); |
| } |
| |
| public ContentProviderHolder getContentProviderExternal( |
| String name, int userId, IBinder token) { |
| enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, |
| "Do not have permission in call getContentProviderExternal()"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, |
| false, true, "getContentProvider", null); |
| return getContentProviderExternalUnchecked(name, token, userId); |
| } |
| |
| private ContentProviderHolder getContentProviderExternalUnchecked(String name, |
| IBinder token, int userId) { |
| return getContentProviderImpl(null, name, token, true, userId); |
| } |
| |
| /** |
| * Drop a content provider from a ProcessRecord's bookkeeping |
| */ |
| public void removeContentProvider(IBinder connection, boolean stable) { |
| enforceNotIsolatedCaller("removeContentProvider"); |
| synchronized (this) { |
| ContentProviderConnection conn; |
| try { |
| conn = (ContentProviderConnection)connection; |
| } catch (ClassCastException e) { |
| String msg ="removeContentProvider: " + connection |
| + " not a ContentProviderConnection"; |
| Slog.w(TAG, msg); |
| throw new IllegalArgumentException(msg); |
| } |
| if (conn == null) { |
| throw new NullPointerException("connection is null"); |
| } |
| if (decProviderCountLocked(conn, null, null, stable)) { |
| updateOomAdjLocked(); |
| } |
| } |
| } |
| |
| public void removeContentProviderExternal(String name, IBinder token) { |
| enforceCallingPermission(android.Manifest.permission.ACCESS_CONTENT_PROVIDERS_EXTERNALLY, |
| "Do not have permission in call removeContentProviderExternal()"); |
| removeContentProviderExternalUnchecked(name, token, UserHandle.getCallingUserId()); |
| } |
| |
| private void removeContentProviderExternalUnchecked(String name, IBinder token, int userId) { |
| synchronized (this) { |
| ContentProviderRecord cpr = mProviderMap.getProviderByName(name, userId); |
| if(cpr == null) { |
| //remove from mProvidersByClass |
| if(localLOGV) Slog.v(TAG, name+" content provider not found in providers list"); |
| return; |
| } |
| |
| //update content provider record entry info |
| ComponentName comp = new ComponentName(cpr.info.packageName, cpr.info.name); |
| ContentProviderRecord localCpr = mProviderMap.getProviderByClass(comp, userId); |
| if (localCpr.hasExternalProcessHandles()) { |
| if (localCpr.removeExternalProcessHandleLocked(token)) { |
| updateOomAdjLocked(); |
| } else { |
| Slog.e(TAG, "Attmpt to remove content provider " + localCpr |
| + " with no external reference for token: " |
| + token + "."); |
| } |
| } else { |
| Slog.e(TAG, "Attmpt to remove content provider: " + localCpr |
| + " with no external references."); |
| } |
| } |
| } |
| |
| public final void publishContentProviders(IApplicationThread caller, |
| List<ContentProviderHolder> providers) { |
| if (providers == null) { |
| return; |
| } |
| |
| enforceNotIsolatedCaller("publishContentProviders"); |
| synchronized (this) { |
| final ProcessRecord r = getRecordForAppLocked(caller); |
| if (DEBUG_MU) |
| Slog.v(TAG_MU, "ProcessRecord uid = " + r.uid); |
| if (r == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when publishing content providers"); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| final int N = providers.size(); |
| for (int i=0; i<N; i++) { |
| ContentProviderHolder src = providers.get(i); |
| if (src == null || src.info == null || src.provider == null) { |
| continue; |
| } |
| ContentProviderRecord dst = r.pubProviders.get(src.info.name); |
| if (DEBUG_MU) |
| Slog.v(TAG_MU, "ContentProviderRecord uid = " + dst.uid); |
| if (dst != null) { |
| ComponentName comp = new ComponentName(dst.info.packageName, dst.info.name); |
| mProviderMap.putProviderByClass(comp, dst); |
| String names[] = dst.info.authority.split(";"); |
| for (int j = 0; j < names.length; j++) { |
| mProviderMap.putProviderByName(names[j], dst); |
| } |
| |
| int NL = mLaunchingProviders.size(); |
| int j; |
| for (j=0; j<NL; j++) { |
| if (mLaunchingProviders.get(j) == dst) { |
| mLaunchingProviders.remove(j); |
| j--; |
| NL--; |
| } |
| } |
| synchronized (dst) { |
| dst.provider = src.provider; |
| dst.proc = r; |
| dst.notifyAll(); |
| } |
| updateOomAdjLocked(r); |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public boolean refContentProvider(IBinder connection, int stable, int unstable) { |
| ContentProviderConnection conn; |
| try { |
| conn = (ContentProviderConnection)connection; |
| } catch (ClassCastException e) { |
| String msg ="refContentProvider: " + connection |
| + " not a ContentProviderConnection"; |
| Slog.w(TAG, msg); |
| throw new IllegalArgumentException(msg); |
| } |
| if (conn == null) { |
| throw new NullPointerException("connection is null"); |
| } |
| |
| synchronized (this) { |
| if (stable > 0) { |
| conn.numStableIncs += stable; |
| } |
| stable = conn.stableCount + stable; |
| if (stable < 0) { |
| throw new IllegalStateException("stableCount < 0: " + stable); |
| } |
| |
| if (unstable > 0) { |
| conn.numUnstableIncs += unstable; |
| } |
| unstable = conn.unstableCount + unstable; |
| if (unstable < 0) { |
| throw new IllegalStateException("unstableCount < 0: " + unstable); |
| } |
| |
| if ((stable+unstable) <= 0) { |
| throw new IllegalStateException("ref counts can't go to zero here: stable=" |
| + stable + " unstable=" + unstable); |
| } |
| conn.stableCount = stable; |
| conn.unstableCount = unstable; |
| return !conn.dead; |
| } |
| } |
| |
| public void unstableProviderDied(IBinder connection) { |
| ContentProviderConnection conn; |
| try { |
| conn = (ContentProviderConnection)connection; |
| } catch (ClassCastException e) { |
| String msg ="refContentProvider: " + connection |
| + " not a ContentProviderConnection"; |
| Slog.w(TAG, msg); |
| throw new IllegalArgumentException(msg); |
| } |
| if (conn == null) { |
| throw new NullPointerException("connection is null"); |
| } |
| |
| // Safely retrieve the content provider associated with the connection. |
| IContentProvider provider; |
| synchronized (this) { |
| provider = conn.provider.provider; |
| } |
| |
| if (provider == null) { |
| // Um, yeah, we're way ahead of you. |
| return; |
| } |
| |
| // Make sure the caller is being honest with us. |
| if (provider.asBinder().pingBinder()) { |
| // Er, no, still looks good to us. |
| synchronized (this) { |
| Slog.w(TAG, "unstableProviderDied: caller " + Binder.getCallingUid() |
| + " says " + conn + " died, but we don't agree"); |
| return; |
| } |
| } |
| |
| // Well look at that! It's dead! |
| synchronized (this) { |
| if (conn.provider.provider != provider) { |
| // But something changed... good enough. |
| return; |
| } |
| |
| ProcessRecord proc = conn.provider.proc; |
| if (proc == null || proc.thread == null) { |
| // Seems like the process is already cleaned up. |
| return; |
| } |
| |
| // As far as we're concerned, this is just like receiving a |
| // death notification... just a bit prematurely. |
| Slog.i(TAG, "Process " + proc.processName + " (pid " + proc.pid |
| + ") early provider death"); |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| appDiedLocked(proc, proc.pid, proc.thread); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public static final void installSystemProviders() { |
| List<ProviderInfo> providers; |
| synchronized (mSelf) { |
| ProcessRecord app = mSelf.mProcessNames.get("system", Process.SYSTEM_UID); |
| providers = mSelf.generateApplicationProvidersLocked(app); |
| if (providers != null) { |
| for (int i=providers.size()-1; i>=0; i--) { |
| ProviderInfo pi = (ProviderInfo)providers.get(i); |
| if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) == 0) { |
| Slog.w(TAG, "Not installing system proc provider " + pi.name |
| + ": not system .apk"); |
| providers.remove(i); |
| } |
| } |
| } |
| } |
| if (providers != null) { |
| mSystemThread.installSystemProviders(providers); |
| } |
| |
| mSelf.mCoreSettingsObserver = new CoreSettingsObserver(mSelf); |
| |
| mSelf.mUsageStatsService.monitorPackages(); |
| } |
| |
| /** |
| * Allows app to retrieve the MIME type of a URI without having permission |
| * to access its content provider. |
| * |
| * CTS tests for this functionality can be run with "runtest cts-appsecurity". |
| * |
| * Test cases are at cts/tests/appsecurity-tests/test-apps/UsePermissionDiffCert/ |
| * src/com/android/cts/usespermissiondiffcertapp/AccessPermissionWithDiffSigTest.java |
| */ |
| public String getProviderMimeType(Uri uri, int userId) { |
| enforceNotIsolatedCaller("getProviderMimeType"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), |
| userId, false, true, "getProviderMimeType", null); |
| final String name = uri.getAuthority(); |
| final long ident = Binder.clearCallingIdentity(); |
| ContentProviderHolder holder = null; |
| |
| try { |
| holder = getContentProviderExternalUnchecked(name, null, userId); |
| if (holder != null) { |
| return holder.provider.getType(uri); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Content provider dead retrieving " + uri, e); |
| return null; |
| } finally { |
| if (holder != null) { |
| removeContentProviderExternalUnchecked(name, null, userId); |
| } |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return null; |
| } |
| |
| // ========================================================= |
| // GLOBAL MANAGEMENT |
| // ========================================================= |
| |
| final ProcessRecord newProcessRecordLocked(IApplicationThread thread, |
| ApplicationInfo info, String customProcess, boolean isolated) { |
| String proc = customProcess != null ? customProcess : info.processName; |
| BatteryStatsImpl.Uid.Proc ps = null; |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| int uid = info.uid; |
| if (isolated) { |
| int userId = UserHandle.getUserId(uid); |
| int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1; |
| uid = 0; |
| while (true) { |
| if (mNextIsolatedProcessUid < Process.FIRST_ISOLATED_UID |
| || mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) { |
| mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID; |
| } |
| uid = UserHandle.getUid(userId, mNextIsolatedProcessUid); |
| mNextIsolatedProcessUid++; |
| if (mIsolatedProcesses.indexOfKey(uid) < 0) { |
| // No process for this uid, use it. |
| break; |
| } |
| stepsLeft--; |
| if (stepsLeft <= 0) { |
| return null; |
| } |
| } |
| } |
| synchronized (stats) { |
| ps = stats.getProcessStatsLocked(info.uid, proc); |
| } |
| return new ProcessRecord(ps, thread, info, proc, uid); |
| } |
| |
| final ProcessRecord addAppLocked(ApplicationInfo info, boolean isolated) { |
| ProcessRecord app; |
| if (!isolated) { |
| app = getProcessRecordLocked(info.processName, info.uid); |
| } else { |
| app = null; |
| } |
| |
| if (app == null) { |
| app = newProcessRecordLocked(null, info, null, isolated); |
| mProcessNames.put(info.processName, app.uid, app); |
| if (isolated) { |
| mIsolatedProcesses.put(app.uid, app); |
| } |
| updateLruProcessLocked(app, true); |
| } |
| |
| // This package really, really can not be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| info.packageName, false, UserHandle.getUserId(app.uid)); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + info.packageName + ": " + e); |
| } |
| |
| if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) |
| == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) { |
| app.persistent = true; |
| app.maxAdj = ProcessList.PERSISTENT_PROC_ADJ; |
| } |
| if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) { |
| mPersistentStartingProcesses.add(app); |
| startProcessLocked(app, "added application", app.processName); |
| } |
| |
| return app; |
| } |
| |
| public void unhandledBack() { |
| enforceCallingPermission(android.Manifest.permission.FORCE_BACK, |
| "unhandledBack()"); |
| |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| getFocusedStack().unhandledBackLocked(); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { |
| enforceNotIsolatedCaller("openContentUri"); |
| final int userId = UserHandle.getCallingUserId(); |
| String name = uri.getAuthority(); |
| ContentProviderHolder cph = getContentProviderExternalUnchecked(name, null, userId); |
| ParcelFileDescriptor pfd = null; |
| if (cph != null) { |
| // We record the binder invoker's uid in thread-local storage before |
| // going to the content provider to open the file. Later, in the code |
| // that handles all permissions checks, we look for this uid and use |
| // that rather than the Activity Manager's own uid. The effect is that |
| // we do the check against the caller's permissions even though it looks |
| // to the content provider like the Activity Manager itself is making |
| // the request. |
| sCallerIdentity.set(new Identity( |
| Binder.getCallingPid(), Binder.getCallingUid())); |
| try { |
| pfd = cph.provider.openFile(null, uri, "r"); |
| } catch (FileNotFoundException e) { |
| // do nothing; pfd will be returned null |
| } finally { |
| // Ensure that whatever happens, we clean up the identity state |
| sCallerIdentity.remove(); |
| } |
| |
| // We've got the fd now, so we're done with the provider. |
| removeContentProviderExternalUnchecked(name, null, userId); |
| } else { |
| Slog.d(TAG, "Failed to get provider for authority '" + name + "'"); |
| } |
| return pfd; |
| } |
| |
| // Actually is sleeping or shutting down or whatever else in the future |
| // is an inactive state. |
| public boolean isSleepingOrShuttingDown() { |
| return mSleeping || mShuttingDown; |
| } |
| |
| public void goingToSleep() { |
| if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.DEVICE_POWER); |
| } |
| |
| synchronized(this) { |
| mWentToSleep = true; |
| updateEventDispatchingLocked(); |
| |
| if (!mSleeping) { |
| mSleeping = true; |
| mStackSupervisor.goingToSleepLocked(); |
| |
| // Initialize the wake times of all processes. |
| checkExcessivePowerUsageLocked(false); |
| mHandler.removeMessages(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); |
| Message nmsg = mHandler.obtainMessage(CHECK_EXCESSIVE_WAKE_LOCKS_MSG); |
| mHandler.sendMessageDelayed(nmsg, POWER_CHECK_DELAY); |
| } |
| } |
| } |
| |
| @Override |
| public boolean shutdown(int timeout) { |
| if (checkCallingPermission(android.Manifest.permission.SHUTDOWN) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.SHUTDOWN); |
| } |
| |
| boolean timedout = false; |
| |
| synchronized(this) { |
| mShuttingDown = true; |
| updateEventDispatchingLocked(); |
| timedout = mStackSupervisor.shutdownLocked(timeout); |
| } |
| |
| mAppOpsService.shutdown(); |
| mUsageStatsService.shutdown(); |
| mBatteryStatsService.shutdown(); |
| |
| return timedout; |
| } |
| |
| public final void activitySlept(IBinder token) { |
| if (localLOGV) Slog.v( |
| TAG, "Activity slept: token=" + token); |
| |
| ActivityRecord r = null; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| synchronized (this) { |
| r = ActivityRecord.isInStackLocked(token); |
| if (r != null) { |
| r.task.stack.activitySleptLocked(r); |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| private void comeOutOfSleepIfNeededLocked() { |
| if (!mWentToSleep && !mLockScreenShown) { |
| if (mSleeping) { |
| mSleeping = false; |
| mStackSupervisor.comeOutOfSleepIfNeededLocked(); |
| } |
| } |
| } |
| |
| public void wakingUp() { |
| if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.DEVICE_POWER); |
| } |
| |
| synchronized(this) { |
| mWentToSleep = false; |
| updateEventDispatchingLocked(); |
| comeOutOfSleepIfNeededLocked(); |
| } |
| } |
| |
| private void updateEventDispatchingLocked() { |
| mWindowManager.setEventDispatching(mBooted && !mWentToSleep && !mShuttingDown); |
| } |
| |
| public void setLockScreenShown(boolean shown) { |
| if (checkCallingPermission(android.Manifest.permission.DEVICE_POWER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.DEVICE_POWER); |
| } |
| |
| synchronized(this) { |
| mLockScreenShown = shown; |
| comeOutOfSleepIfNeededLocked(); |
| } |
| } |
| |
| public void stopAppSwitches() { |
| if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.STOP_APP_SWITCHES); |
| } |
| |
| synchronized(this) { |
| mAppSwitchesAllowedTime = SystemClock.uptimeMillis() |
| + APP_SWITCH_DELAY_TIME; |
| mDidAppSwitch = false; |
| mHandler.removeMessages(DO_PENDING_ACTIVITY_LAUNCHES_MSG); |
| Message msg = mHandler.obtainMessage(DO_PENDING_ACTIVITY_LAUNCHES_MSG); |
| mHandler.sendMessageDelayed(msg, APP_SWITCH_DELAY_TIME); |
| } |
| } |
| |
| public void resumeAppSwitches() { |
| if (checkCallingPermission(android.Manifest.permission.STOP_APP_SWITCHES) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.STOP_APP_SWITCHES); |
| } |
| |
| synchronized(this) { |
| // Note that we don't execute any pending app switches... we will |
| // let those wait until either the timeout, or the next start |
| // activity request. |
| mAppSwitchesAllowedTime = 0; |
| } |
| } |
| |
| boolean checkAppSwitchAllowedLocked(int callingPid, int callingUid, |
| String name) { |
| if (mAppSwitchesAllowedTime < SystemClock.uptimeMillis()) { |
| return true; |
| } |
| |
| final int perm = checkComponentPermission( |
| android.Manifest.permission.STOP_APP_SWITCHES, callingPid, |
| callingUid, -1, true); |
| if (perm == PackageManager.PERMISSION_GRANTED) { |
| return true; |
| } |
| |
| Slog.w(TAG, name + " request from " + callingUid + " stopped"); |
| return false; |
| } |
| |
| public void setDebugApp(String packageName, boolean waitForDebugger, |
| boolean persistent) { |
| enforceCallingPermission(android.Manifest.permission.SET_DEBUG_APP, |
| "setDebugApp()"); |
| |
| // Note that this is not really thread safe if there are multiple |
| // callers into it at the same time, but that's not a situation we |
| // care about. |
| if (persistent) { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| Settings.Global.putString( |
| resolver, Settings.Global.DEBUG_APP, |
| packageName); |
| Settings.Global.putInt( |
| resolver, Settings.Global.WAIT_FOR_DEBUGGER, |
| waitForDebugger ? 1 : 0); |
| } |
| |
| synchronized (this) { |
| if (!persistent) { |
| mOrigDebugApp = mDebugApp; |
| mOrigWaitForDebugger = mWaitForDebugger; |
| } |
| mDebugApp = packageName; |
| mWaitForDebugger = waitForDebugger; |
| mDebugTransient = !persistent; |
| if (packageName != null) { |
| final long origId = Binder.clearCallingIdentity(); |
| forceStopPackageLocked(packageName, -1, false, false, true, true, |
| UserHandle.USER_ALL); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| void setOpenGlTraceApp(ApplicationInfo app, String processName) { |
| synchronized (this) { |
| boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); |
| if (!isDebuggable) { |
| if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { |
| throw new SecurityException("Process not debuggable: " + app.packageName); |
| } |
| } |
| |
| mOpenGlTraceApp = processName; |
| } |
| } |
| |
| void setProfileApp(ApplicationInfo app, String processName, String profileFile, |
| ParcelFileDescriptor profileFd, boolean autoStopProfiler) { |
| synchronized (this) { |
| boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); |
| if (!isDebuggable) { |
| if ((app.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { |
| throw new SecurityException("Process not debuggable: " + app.packageName); |
| } |
| } |
| mProfileApp = processName; |
| mProfileFile = profileFile; |
| if (mProfileFd != null) { |
| try { |
| mProfileFd.close(); |
| } catch (IOException e) { |
| } |
| mProfileFd = null; |
| } |
| mProfileFd = profileFd; |
| mProfileType = 0; |
| mAutoStopProfiler = autoStopProfiler; |
| } |
| } |
| |
| @Override |
| public void setAlwaysFinish(boolean enabled) { |
| enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, |
| "setAlwaysFinish()"); |
| |
| Settings.Global.putInt( |
| mContext.getContentResolver(), |
| Settings.Global.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); |
| |
| synchronized (this) { |
| mAlwaysFinishActivities = enabled; |
| } |
| } |
| |
| @Override |
| public void setActivityController(IActivityController controller) { |
| enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, |
| "setActivityController()"); |
| synchronized (this) { |
| mController = controller; |
| Watchdog.getInstance().setActivityController(controller); |
| } |
| } |
| |
| @Override |
| public void setUserIsMonkey(boolean userIsMonkey) { |
| synchronized (this) { |
| synchronized (mPidsSelfLocked) { |
| final int callingPid = Binder.getCallingPid(); |
| ProcessRecord precessRecord = mPidsSelfLocked.get(callingPid); |
| if (precessRecord == null) { |
| throw new SecurityException("Unknown process: " + callingPid); |
| } |
| if (precessRecord.instrumentationUiAutomationConnection == null) { |
| throw new SecurityException("Only an instrumentation process " |
| + "with a UiAutomation can call setUserIsMonkey"); |
| } |
| } |
| mUserIsMonkey = userIsMonkey; |
| } |
| } |
| |
| @Override |
| public boolean isUserAMonkey() { |
| synchronized (this) { |
| // If there is a controller also implies the user is a monkey. |
| return (mUserIsMonkey || mController != null); |
| } |
| } |
| |
| public void requestBugReport() { |
| enforceCallingPermission(android.Manifest.permission.DUMP, "requestBugReport"); |
| SystemProperties.set("ctl.start", "bugreport"); |
| } |
| |
| public static long getInputDispatchingTimeoutLocked(ActivityRecord r) { |
| return r != null ? getInputDispatchingTimeoutLocked(r.app) : KEY_DISPATCHING_TIMEOUT; |
| } |
| |
| public static long getInputDispatchingTimeoutLocked(ProcessRecord r) { |
| if (r != null && (r.instrumentationClass != null || r.usingWrapper)) { |
| return INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT; |
| } |
| return KEY_DISPATCHING_TIMEOUT; |
| } |
| |
| |
| public long inputDispatchingTimedOut(int pid, final boolean aboveSystem) { |
| if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.FILTER_EVENTS); |
| } |
| ProcessRecord proc; |
| long timeout; |
| synchronized (this) { |
| synchronized (mPidsSelfLocked) { |
| proc = mPidsSelfLocked.get(pid); |
| } |
| timeout = getInputDispatchingTimeoutLocked(proc); |
| } |
| |
| if (!inputDispatchingTimedOut(proc, null, null, aboveSystem)) { |
| return -1; |
| } |
| |
| return timeout; |
| } |
| |
| /** |
| * Handle input dispatching timeouts. |
| * Returns whether input dispatching should be aborted or not. |
| */ |
| public boolean inputDispatchingTimedOut(final ProcessRecord proc, |
| final ActivityRecord activity, final ActivityRecord parent, |
| final boolean aboveSystem) { |
| if (checkCallingPermission(android.Manifest.permission.FILTER_EVENTS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.FILTER_EVENTS); |
| } |
| |
| if (proc != null) { |
| synchronized (this) { |
| if (proc.debugging) { |
| return false; |
| } |
| |
| if (mDidDexOpt) { |
| // Give more time since we were dexopting. |
| mDidDexOpt = false; |
| return false; |
| } |
| |
| if (proc.instrumentationClass != null) { |
| Bundle info = new Bundle(); |
| info.putString("shortMsg", "keyDispatchingTimedOut"); |
| info.putString("longMsg", "Timed out while dispatching key event"); |
| finishInstrumentationLocked(proc, Activity.RESULT_CANCELED, info); |
| return true; |
| } |
| } |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| appNotResponding(proc, activity, parent, aboveSystem, "keyDispatchingTimedOut"); |
| } |
| }); |
| } |
| |
| return true; |
| } |
| |
| public Bundle getTopActivityExtras(int requestType) { |
| enforceCallingPermission(android.Manifest.permission.GET_TOP_ACTIVITY_INFO, |
| "getTopActivityExtras()"); |
| PendingActivityExtras pae; |
| Bundle extras = new Bundle(); |
| synchronized (this) { |
| ActivityRecord activity = getFocusedStack().mResumedActivity; |
| if (activity == null) { |
| Slog.w(TAG, "getTopActivityExtras failed: no resumed activity"); |
| return null; |
| } |
| extras.putString(Intent.EXTRA_ASSIST_PACKAGE, activity.packageName); |
| if (activity.app == null || activity.app.thread == null) { |
| Slog.w(TAG, "getTopActivityExtras failed: no process for " + activity); |
| return extras; |
| } |
| if (activity.app.pid == Binder.getCallingPid()) { |
| Slog.w(TAG, "getTopActivityExtras failed: request process same as " + activity); |
| return extras; |
| } |
| pae = new PendingActivityExtras(activity); |
| try { |
| activity.app.thread.requestActivityExtras(activity.appToken, pae, requestType); |
| mPendingActivityExtras.add(pae); |
| mHandler.postDelayed(pae, PENDING_ACTIVITY_RESULT_TIMEOUT); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "getTopActivityExtras failed: crash calling " + activity); |
| return extras; |
| } |
| } |
| synchronized (pae) { |
| while (!pae.haveResult) { |
| try { |
| pae.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| if (pae.result != null) { |
| extras.putBundle(Intent.EXTRA_ASSIST_CONTEXT, pae.result); |
| } |
| } |
| synchronized (this) { |
| mPendingActivityExtras.remove(pae); |
| mHandler.removeCallbacks(pae); |
| } |
| return extras; |
| } |
| |
| public void reportTopActivityExtras(IBinder token, Bundle extras) { |
| PendingActivityExtras pae = (PendingActivityExtras)token; |
| synchronized (pae) { |
| pae.result = extras; |
| pae.haveResult = true; |
| pae.notifyAll(); |
| } |
| } |
| |
| public void registerProcessObserver(IProcessObserver observer) { |
| enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, |
| "registerProcessObserver()"); |
| synchronized (this) { |
| mProcessObservers.register(observer); |
| } |
| } |
| |
| public void unregisterProcessObserver(IProcessObserver observer) { |
| synchronized (this) { |
| mProcessObservers.unregister(observer); |
| } |
| } |
| |
| public void setImmersive(IBinder token, boolean immersive) { |
| synchronized(this) { |
| final ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| throw new IllegalArgumentException(); |
| } |
| r.immersive = immersive; |
| |
| // update associated state if we're frontmost |
| if (r == mFocusedActivity) { |
| if (DEBUG_IMMERSIVE) { |
| Slog.d(TAG, "Frontmost changed immersion: "+ r); |
| } |
| applyUpdateLockStateLocked(r); |
| } |
| } |
| } |
| |
| public boolean isImmersive(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = ActivityRecord.isInStackLocked(token); |
| if (r == null) { |
| throw new IllegalArgumentException(); |
| } |
| return r.immersive; |
| } |
| } |
| |
| public boolean isTopActivityImmersive() { |
| enforceNotIsolatedCaller("startActivity"); |
| synchronized (this) { |
| ActivityRecord r = getFocusedStack().topRunningActivityLocked(null); |
| return (r != null) ? r.immersive : false; |
| } |
| } |
| |
| public final void enterSafeMode() { |
| synchronized(this) { |
| // It only makes sense to do this before the system is ready |
| // and started launching other packages. |
| if (!mSystemReady) { |
| try { |
| AppGlobals.getPackageManager().enterSafeMode(); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| } |
| |
| public final void showSafeModeOverlay() { |
| View v = LayoutInflater.from(mContext).inflate( |
| com.android.internal.R.layout.safe_mode, null); |
| WindowManager.LayoutParams lp = new WindowManager.LayoutParams(); |
| lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY; |
| lp.width = WindowManager.LayoutParams.WRAP_CONTENT; |
| lp.height = WindowManager.LayoutParams.WRAP_CONTENT; |
| lp.gravity = Gravity.BOTTOM | Gravity.START; |
| lp.format = v.getBackground().getOpacity(); |
| lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; |
| lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; |
| ((WindowManager)mContext.getSystemService( |
| Context.WINDOW_SERVICE)).addView(v, lp); |
| } |
| |
| public void noteWakeupAlarm(IIntentSender sender) { |
| if (!(sender instanceof PendingIntentRecord)) { |
| return; |
| } |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| if (mBatteryStatsService.isOnBattery()) { |
| mBatteryStatsService.enforceCallingPermission(); |
| PendingIntentRecord rec = (PendingIntentRecord)sender; |
| int MY_UID = Binder.getCallingUid(); |
| int uid = rec.uid == MY_UID ? Process.SYSTEM_UID : rec.uid; |
| BatteryStatsImpl.Uid.Pkg pkg = |
| stats.getPackageStatsLocked(uid, rec.key.packageName); |
| pkg.incWakeupsLocked(); |
| } |
| } |
| } |
| |
| public boolean killPids(int[] pids, String pReason, boolean secure) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("killPids only available to the system"); |
| } |
| String reason = (pReason == null) ? "Unknown" : pReason; |
| // XXX Note: don't acquire main activity lock here, because the window |
| // manager calls in with its locks held. |
| |
| boolean killed = false; |
| synchronized (mPidsSelfLocked) { |
| int[] types = new int[pids.length]; |
| int worstType = 0; |
| for (int i=0; i<pids.length; i++) { |
| ProcessRecord proc = mPidsSelfLocked.get(pids[i]); |
| if (proc != null) { |
| int type = proc.setAdj; |
| types[i] = type; |
| if (type > worstType) { |
| worstType = type; |
| } |
| } |
| } |
| |
| // If the worst oom_adj is somewhere in the hidden proc LRU range, |
| // then constrain it so we will kill all hidden procs. |
| if (worstType < ProcessList.HIDDEN_APP_MAX_ADJ |
| && worstType > ProcessList.HIDDEN_APP_MIN_ADJ) { |
| worstType = ProcessList.HIDDEN_APP_MIN_ADJ; |
| } |
| |
| // If this is not a secure call, don't let it kill processes that |
| // are important. |
| if (!secure && worstType < ProcessList.SERVICE_ADJ) { |
| worstType = ProcessList.SERVICE_ADJ; |
| } |
| |
| Slog.w(TAG, "Killing processes " + reason + " at adjustment " + worstType); |
| for (int i=0; i<pids.length; i++) { |
| ProcessRecord proc = mPidsSelfLocked.get(pids[i]); |
| if (proc == null) { |
| continue; |
| } |
| int adj = proc.setAdj; |
| if (adj >= worstType && !proc.killedBackground) { |
| Slog.w(TAG, "Killing " + proc + " (adj " + adj + "): " + reason); |
| EventLog.writeEvent(EventLogTags.AM_KILL, proc.userId, proc.pid, |
| proc.processName, adj, reason); |
| killed = true; |
| proc.killedBackground = true; |
| Process.killProcessQuiet(pids[i]); |
| } |
| } |
| } |
| return killed; |
| } |
| |
| @Override |
| public void killUid(int uid, String reason) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("killUid only available to the system"); |
| } |
| synchronized (this) { |
| killPackageProcessesLocked(null, UserHandle.getAppId(uid), UserHandle.getUserId(uid), |
| ProcessList.FOREGROUND_APP_ADJ-1, false, true, true, false, |
| reason != null ? reason : "kill uid"); |
| } |
| } |
| |
| @Override |
| public boolean killProcessesBelowForeground(String reason) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("killProcessesBelowForeground() only available to system"); |
| } |
| |
| return killProcessesBelowAdj(ProcessList.FOREGROUND_APP_ADJ, reason); |
| } |
| |
| private boolean killProcessesBelowAdj(int belowAdj, String reason) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("killProcessesBelowAdj() only available to system"); |
| } |
| |
| boolean killed = false; |
| synchronized (mPidsSelfLocked) { |
| final int size = mPidsSelfLocked.size(); |
| for (int i = 0; i < size; i++) { |
| final int pid = mPidsSelfLocked.keyAt(i); |
| final ProcessRecord proc = mPidsSelfLocked.valueAt(i); |
| if (proc == null) continue; |
| |
| final int adj = proc.setAdj; |
| if (adj > belowAdj && !proc.killedBackground) { |
| Slog.w(TAG, "Killing " + proc + " (adj " + adj + "): " + reason); |
| EventLog.writeEvent(EventLogTags.AM_KILL, proc.userId, |
| proc.pid, proc.processName, adj, reason); |
| killed = true; |
| proc.killedBackground = true; |
| Process.killProcessQuiet(pid); |
| } |
| } |
| } |
| return killed; |
| } |
| |
| @Override |
| public void hang(final IBinder who, boolean allowRestart) { |
| if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.SET_ACTIVITY_WATCHER); |
| } |
| |
| final IBinder.DeathRecipient death = new DeathRecipient() { |
| @Override |
| public void binderDied() { |
| synchronized (this) { |
| notifyAll(); |
| } |
| } |
| }; |
| |
| try { |
| who.linkToDeath(death, 0); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "hang: given caller IBinder is already dead."); |
| return; |
| } |
| |
| synchronized (this) { |
| Watchdog.getInstance().setAllowRestart(allowRestart); |
| Slog.i(TAG, "Hanging system process at request of pid " + Binder.getCallingPid()); |
| synchronized (death) { |
| while (who.isBinderAlive()) { |
| try { |
| death.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| Watchdog.getInstance().setAllowRestart(true); |
| } |
| } |
| |
| public final void startRunning(String pkg, String cls, String action, |
| String data) { |
| synchronized(this) { |
| if (mStartRunning) { |
| return; |
| } |
| mStartRunning = true; |
| mTopComponent = pkg != null && cls != null |
| ? new ComponentName(pkg, cls) : null; |
| mTopAction = action != null ? action : Intent.ACTION_MAIN; |
| mTopData = data; |
| if (!mSystemReady) { |
| return; |
| } |
| } |
| |
| systemReady(null); |
| } |
| |
| private void retrieveSettings() { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| String debugApp = Settings.Global.getString( |
| resolver, Settings.Global.DEBUG_APP); |
| boolean waitForDebugger = Settings.Global.getInt( |
| resolver, Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0; |
| boolean alwaysFinishActivities = Settings.Global.getInt( |
| resolver, Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0; |
| |
| Configuration configuration = new Configuration(); |
| Settings.System.getConfiguration(resolver, configuration); |
| |
| synchronized (this) { |
| mDebugApp = mOrigDebugApp = debugApp; |
| mWaitForDebugger = mOrigWaitForDebugger = waitForDebugger; |
| mAlwaysFinishActivities = alwaysFinishActivities; |
| // This happens before any activities are started, so we can |
| // change mConfiguration in-place. |
| updateConfigurationLocked(configuration, null, false, true); |
| if (DEBUG_CONFIGURATION) Slog.v(TAG, "Initial config: " + mConfiguration); |
| } |
| } |
| |
| public boolean testIsSystemReady() { |
| // no need to synchronize(this) just to read & return the value |
| return mSystemReady; |
| } |
| |
| private static File getCalledPreBootReceiversFile() { |
| File dataDir = Environment.getDataDirectory(); |
| File systemDir = new File(dataDir, "system"); |
| File fname = new File(systemDir, "called_pre_boots.dat"); |
| return fname; |
| } |
| |
| static final int LAST_DONE_VERSION = 10000; |
| |
| private static ArrayList<ComponentName> readLastDonePreBootReceivers() { |
| ArrayList<ComponentName> lastDoneReceivers = new ArrayList<ComponentName>(); |
| File file = getCalledPreBootReceiversFile(); |
| FileInputStream fis = null; |
| try { |
| fis = new FileInputStream(file); |
| DataInputStream dis = new DataInputStream(new BufferedInputStream(fis, 2048)); |
| int fvers = dis.readInt(); |
| if (fvers == LAST_DONE_VERSION) { |
| String vers = dis.readUTF(); |
| String codename = dis.readUTF(); |
| String build = dis.readUTF(); |
| if (android.os.Build.VERSION.RELEASE.equals(vers) |
| && android.os.Build.VERSION.CODENAME.equals(codename) |
| && android.os.Build.VERSION.INCREMENTAL.equals(build)) { |
| int num = dis.readInt(); |
| while (num > 0) { |
| num--; |
| String pkg = dis.readUTF(); |
| String cls = dis.readUTF(); |
| lastDoneReceivers.add(new ComponentName(pkg, cls)); |
| } |
| } |
| } |
| } catch (FileNotFoundException e) { |
| } catch (IOException e) { |
| Slog.w(TAG, "Failure reading last done pre-boot receivers", e); |
| } finally { |
| if (fis != null) { |
| try { |
| fis.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| return lastDoneReceivers; |
| } |
| |
| private static void writeLastDonePreBootReceivers(ArrayList<ComponentName> list) { |
| File file = getCalledPreBootReceiversFile(); |
| FileOutputStream fos = null; |
| DataOutputStream dos = null; |
| try { |
| Slog.i(TAG, "Writing new set of last done pre-boot receivers..."); |
| fos = new FileOutputStream(file); |
| dos = new DataOutputStream(new BufferedOutputStream(fos, 2048)); |
| dos.writeInt(LAST_DONE_VERSION); |
| dos.writeUTF(android.os.Build.VERSION.RELEASE); |
| dos.writeUTF(android.os.Build.VERSION.CODENAME); |
| dos.writeUTF(android.os.Build.VERSION.INCREMENTAL); |
| dos.writeInt(list.size()); |
| for (int i=0; i<list.size(); i++) { |
| dos.writeUTF(list.get(i).getPackageName()); |
| dos.writeUTF(list.get(i).getClassName()); |
| } |
| } catch (IOException e) { |
| Slog.w(TAG, "Failure writing last done pre-boot receivers", e); |
| file.delete(); |
| } finally { |
| FileUtils.sync(fos); |
| if (dos != null) { |
| try { |
| dos.close(); |
| } catch (IOException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| |
| public void systemReady(final Runnable goingCallback) { |
| synchronized(this) { |
| if (mSystemReady) { |
| if (goingCallback != null) goingCallback.run(); |
| return; |
| } |
| |
| // Check to see if there are any update receivers to run. |
| if (!mDidUpdate) { |
| if (mWaitingUpdate) { |
| return; |
| } |
| Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); |
| List<ResolveInfo> ris = null; |
| try { |
| ris = AppGlobals.getPackageManager().queryIntentReceivers( |
| intent, null, 0, 0); |
| } catch (RemoteException e) { |
| } |
| if (ris != null) { |
| for (int i=ris.size()-1; i>=0; i--) { |
| if ((ris.get(i).activityInfo.applicationInfo.flags |
| &ApplicationInfo.FLAG_SYSTEM) == 0) { |
| ris.remove(i); |
| } |
| } |
| intent.addFlags(Intent.FLAG_RECEIVER_BOOT_UPGRADE); |
| |
| ArrayList<ComponentName> lastDoneReceivers = readLastDonePreBootReceivers(); |
| |
| final ArrayList<ComponentName> doneReceivers = new ArrayList<ComponentName>(); |
| for (int i=0; i<ris.size(); i++) { |
| ActivityInfo ai = ris.get(i).activityInfo; |
| ComponentName comp = new ComponentName(ai.packageName, ai.name); |
| if (lastDoneReceivers.contains(comp)) { |
| ris.remove(i); |
| i--; |
| } |
| } |
| |
| final int[] users = getUsersLocked(); |
| for (int i=0; i<ris.size(); i++) { |
| ActivityInfo ai = ris.get(i).activityInfo; |
| ComponentName comp = new ComponentName(ai.packageName, ai.name); |
| doneReceivers.add(comp); |
| intent.setComponent(comp); |
| for (int j=0; j<users.length; j++) { |
| IIntentReceiver finisher = null; |
| if (i == ris.size()-1 && j == users.length-1) { |
| finisher = new IIntentReceiver.Stub() { |
| public void performReceive(Intent intent, int resultCode, |
| String data, Bundle extras, boolean ordered, |
| boolean sticky, int sendingUser) { |
| // The raw IIntentReceiver interface is called |
| // with the AM lock held, so redispatch to |
| // execute our code without the lock. |
| mHandler.post(new Runnable() { |
| public void run() { |
| synchronized (ActivityManagerService.this) { |
| mDidUpdate = true; |
| } |
| writeLastDonePreBootReceivers(doneReceivers); |
| showBootMessage(mContext.getText( |
| R.string.android_upgrading_complete), |
| false); |
| systemReady(goingCallback); |
| } |
| }); |
| } |
| }; |
| } |
| Slog.i(TAG, "Sending system update to " + intent.getComponent() |
| + " for user " + users[j]); |
| broadcastIntentLocked(null, null, intent, null, finisher, |
| 0, null, null, null, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, |
| users[j]); |
| if (finisher != null) { |
| mWaitingUpdate = true; |
| } |
| } |
| } |
| } |
| if (mWaitingUpdate) { |
| return; |
| } |
| mDidUpdate = true; |
| } |
| |
| mAppOpsService.systemReady(); |
| mSystemReady = true; |
| if (!mStartRunning) { |
| return; |
| } |
| } |
| |
| ArrayList<ProcessRecord> procsToKill = null; |
| synchronized(mPidsSelfLocked) { |
| for (int i=mPidsSelfLocked.size()-1; i>=0; i--) { |
| ProcessRecord proc = mPidsSelfLocked.valueAt(i); |
| if (!isAllowedWhileBooting(proc.info)){ |
| if (procsToKill == null) { |
| procsToKill = new ArrayList<ProcessRecord>(); |
| } |
| procsToKill.add(proc); |
| } |
| } |
| } |
| |
| synchronized(this) { |
| if (procsToKill != null) { |
| for (int i=procsToKill.size()-1; i>=0; i--) { |
| ProcessRecord proc = procsToKill.get(i); |
| Slog.i(TAG, "Removing system update proc: " + proc); |
| removeProcessLocked(proc, true, false, "system update done"); |
| } |
| } |
| |
| // Now that we have cleaned up any update processes, we |
| // are ready to start launching real processes and know that |
| // we won't trample on them any more. |
| mProcessesReady = true; |
| } |
| |
| Slog.i(TAG, "System now ready"); |
| EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_AMS_READY, |
| SystemClock.uptimeMillis()); |
| |
| synchronized(this) { |
| // Make sure we have no pre-ready processes sitting around. |
| |
| if (mFactoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| ResolveInfo ri = mContext.getPackageManager() |
| .resolveActivity(new Intent(Intent.ACTION_FACTORY_TEST), |
| STOCK_PM_FLAGS); |
| CharSequence errorMsg = null; |
| if (ri != null) { |
| ActivityInfo ai = ri.activityInfo; |
| ApplicationInfo app = ai.applicationInfo; |
| if ((app.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { |
| mTopAction = Intent.ACTION_FACTORY_TEST; |
| mTopData = null; |
| mTopComponent = new ComponentName(app.packageName, |
| ai.name); |
| } else { |
| errorMsg = mContext.getResources().getText( |
| com.android.internal.R.string.factorytest_not_system); |
| } |
| } else { |
| errorMsg = mContext.getResources().getText( |
| com.android.internal.R.string.factorytest_no_action); |
| } |
| if (errorMsg != null) { |
| mTopAction = null; |
| mTopData = null; |
| mTopComponent = null; |
| Message msg = Message.obtain(); |
| msg.what = SHOW_FACTORY_ERROR_MSG; |
| msg.getData().putCharSequence("msg", errorMsg); |
| mHandler.sendMessage(msg); |
| } |
| } |
| } |
| |
| retrieveSettings(); |
| |
| synchronized (this) { |
| readGrantedUriPermissionsLocked(); |
| } |
| |
| if (goingCallback != null) goingCallback.run(); |
| |
| synchronized (this) { |
| if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { |
| try { |
| List apps = AppGlobals.getPackageManager(). |
| getPersistentApplications(STOCK_PM_FLAGS); |
| if (apps != null) { |
| int N = apps.size(); |
| int i; |
| for (i=0; i<N; i++) { |
| ApplicationInfo info |
| = (ApplicationInfo)apps.get(i); |
| if (info != null && |
| !info.packageName.equals("android")) { |
| addAppLocked(info, false); |
| } |
| } |
| } |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| } |
| |
| // Start up initial activity. |
| mBooting = true; |
| |
| try { |
| if (AppGlobals.getPackageManager().hasSystemUidErrors()) { |
| Message msg = Message.obtain(); |
| msg.what = SHOW_UID_ERROR_MSG; |
| mHandler.sendMessage(msg); |
| } |
| } catch (RemoteException e) { |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| Intent intent = new Intent(Intent.ACTION_USER_STARTED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, mCurrentUserId); |
| intent = new Intent(Intent.ACTION_USER_STARTING); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, mCurrentUserId); |
| broadcastIntentLocked(null, null, intent, |
| null, new IIntentReceiver.Stub() { |
| @Override |
| public void performReceive(Intent intent, int resultCode, String data, |
| Bundle extras, boolean ordered, boolean sticky, int sendingUser) |
| throws RemoteException { |
| } |
| }, 0, null, null, |
| android.Manifest.permission.INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| mStackSupervisor.resumeTopActivitiesLocked(); |
| sendUserSwitchBroadcastsLocked(-1, mCurrentUserId); |
| } |
| } |
| |
| private boolean makeAppCrashingLocked(ProcessRecord app, |
| String shortMsg, String longMsg, String stackTrace) { |
| app.crashing = true; |
| app.crashingReport = generateProcessError(app, |
| ActivityManager.ProcessErrorStateInfo.CRASHED, null, shortMsg, longMsg, stackTrace); |
| startAppProblemLocked(app); |
| app.stopFreezingAllLocked(); |
| return handleAppCrashLocked(app); |
| } |
| |
| private void makeAppNotRespondingLocked(ProcessRecord app, |
| String activity, String shortMsg, String longMsg) { |
| app.notResponding = true; |
| app.notRespondingReport = generateProcessError(app, |
| ActivityManager.ProcessErrorStateInfo.NOT_RESPONDING, |
| activity, shortMsg, longMsg, null); |
| startAppProblemLocked(app); |
| app.stopFreezingAllLocked(); |
| } |
| |
| /** |
| * Generate a process error record, suitable for attachment to a ProcessRecord. |
| * |
| * @param app The ProcessRecord in which the error occurred. |
| * @param condition Crashing, Application Not Responding, etc. Values are defined in |
| * ActivityManager.AppErrorStateInfo |
| * @param activity The activity associated with the crash, if known. |
| * @param shortMsg Short message describing the crash. |
| * @param longMsg Long message describing the crash. |
| * @param stackTrace Full crash stack trace, may be null. |
| * |
| * @return Returns a fully-formed AppErrorStateInfo record. |
| */ |
| private ActivityManager.ProcessErrorStateInfo generateProcessError(ProcessRecord app, |
| int condition, String activity, String shortMsg, String longMsg, String stackTrace) { |
| ActivityManager.ProcessErrorStateInfo report = new ActivityManager.ProcessErrorStateInfo(); |
| |
| report.condition = condition; |
| report.processName = app.processName; |
| report.pid = app.pid; |
| report.uid = app.info.uid; |
| report.tag = activity; |
| report.shortMsg = shortMsg; |
| report.longMsg = longMsg; |
| report.stackTrace = stackTrace; |
| |
| return report; |
| } |
| |
| void killAppAtUsersRequest(ProcessRecord app, Dialog fromDialog) { |
| synchronized (this) { |
| app.crashing = false; |
| app.crashingReport = null; |
| app.notResponding = false; |
| app.notRespondingReport = null; |
| if (app.anrDialog == fromDialog) { |
| app.anrDialog = null; |
| } |
| if (app.waitDialog == fromDialog) { |
| app.waitDialog = null; |
| } |
| if (app.pid > 0 && app.pid != MY_PID) { |
| handleAppCrashLocked(app); |
| Slog.i(ActivityManagerService.TAG, "Killing " + app + ": user's request"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "user's request after error"); |
| Process.killProcessQuiet(app.pid); |
| } |
| } |
| } |
| |
| private boolean handleAppCrashLocked(ProcessRecord app) { |
| if (mHeadless) { |
| Log.e(TAG, "handleAppCrashLocked: " + app.processName); |
| return false; |
| } |
| long now = SystemClock.uptimeMillis(); |
| |
| Long crashTime; |
| if (!app.isolated) { |
| crashTime = mProcessCrashTimes.get(app.info.processName, app.uid); |
| } else { |
| crashTime = null; |
| } |
| if (crashTime != null && now < crashTime+ProcessList.MIN_CRASH_INTERVAL) { |
| // This process loses! |
| Slog.w(TAG, "Process " + app.info.processName |
| + " has crashed too many times: killing!"); |
| EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH, |
| app.userId, app.info.processName, app.uid); |
| mStackSupervisor.handleAppCrashLocked(app); |
| if (!app.persistent) { |
| // We don't want to start this process again until the user |
| // explicitly does so... but for persistent process, we really |
| // need to keep it running. If a persistent process is actually |
| // repeatedly crashing, then badness for everyone. |
| EventLog.writeEvent(EventLogTags.AM_PROC_BAD, app.userId, app.uid, |
| app.info.processName); |
| if (!app.isolated) { |
| // XXX We don't have a way to mark isolated processes |
| // as bad, since they don't have a peristent identity. |
| mBadProcesses.put(app.info.processName, app.uid, now); |
| mProcessCrashTimes.remove(app.info.processName, app.uid); |
| } |
| app.bad = true; |
| app.removed = true; |
| // Don't let services in this process be restarted and potentially |
| // annoy the user repeatedly. Unless it is persistent, since those |
| // processes run critical code. |
| removeProcessLocked(app, false, false, "crash"); |
| mStackSupervisor.resumeTopActivitiesLocked(); |
| return false; |
| } |
| mStackSupervisor.resumeTopActivitiesLocked(); |
| } else { |
| mStackSupervisor.finishTopRunningActivityLocked(app); |
| } |
| |
| // Bump up the crash count of any services currently running in the proc. |
| if (app.services.size() != 0) { |
| // Any services running in the application need to be placed |
| // back in the pending list. |
| Iterator<ServiceRecord> it = app.services.iterator(); |
| while (it.hasNext()) { |
| ServiceRecord sr = it.next(); |
| sr.crashCount++; |
| } |
| } |
| |
| // If the crashing process is what we consider to be the "home process" and it has been |
| // replaced by a third-party app, clear the package preferred activities from packages |
| // with a home activity running in the process to prevent a repeatedly crashing app |
| // from blocking the user to manually clear the list. |
| if (app == mHomeProcess && mHomeProcess.activities.size() > 0 |
| && (mHomeProcess.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| Iterator<ActivityRecord> it = mHomeProcess.activities.iterator(); |
| while (it.hasNext()) { |
| ActivityRecord r = it.next(); |
| if (r.isHomeActivity) { |
| Log.i(TAG, "Clearing package preferred activities from " + r.packageName); |
| try { |
| ActivityThread.getPackageManager() |
| .clearPackagePreferredActivities(r.packageName); |
| } catch (RemoteException c) { |
| // pm is in same process, this will never happen. |
| } |
| } |
| } |
| } |
| |
| if (!app.isolated) { |
| // XXX Can't keep track of crash times for isolated processes, |
| // because they don't have a perisistent identity. |
| mProcessCrashTimes.put(app.info.processName, app.uid, now); |
| } |
| |
| return true; |
| } |
| |
| void startAppProblemLocked(ProcessRecord app) { |
| if (app.userId == mCurrentUserId) { |
| app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver( |
| mContext, app.info.packageName, app.info.flags); |
| } else { |
| // If this app is not running under the current user, then we |
| // can't give it a report button because that would require |
| // launching the report UI under a different user. |
| app.errorReportReceiver = null; |
| } |
| skipCurrentReceiverLocked(app); |
| } |
| |
| void skipCurrentReceiverLocked(ProcessRecord app) { |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| queue.skipCurrentReceiverLocked(app); |
| } |
| } |
| |
| /** |
| * Used by {@link com.android.internal.os.RuntimeInit} to report when an application crashes. |
| * The application process will exit immediately after this call returns. |
| * @param app object of the crashing app, null for the system server |
| * @param crashInfo describing the exception |
| */ |
| public void handleApplicationCrash(IBinder app, ApplicationErrorReport.CrashInfo crashInfo) { |
| ProcessRecord r = findAppProcess(app, "Crash"); |
| final String processName = app == null ? "system_server" |
| : (r == null ? "unknown" : r.processName); |
| |
| handleApplicationCrashInner("crash", r, processName, crashInfo); |
| } |
| |
| /* Native crash reporting uses this inner version because it needs to be somewhat |
| * decoupled from the AM-managed cleanup lifecycle |
| */ |
| void handleApplicationCrashInner(String eventType, ProcessRecord r, String processName, |
| ApplicationErrorReport.CrashInfo crashInfo) { |
| EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(), |
| UserHandle.getUserId(Binder.getCallingUid()), processName, |
| r == null ? -1 : r.info.flags, |
| crashInfo.exceptionClassName, |
| crashInfo.exceptionMessage, |
| crashInfo.throwFileName, |
| crashInfo.throwLineNumber); |
| |
| addErrorToDropBox(eventType, r, processName, null, null, null, null, null, crashInfo); |
| |
| crashApplication(r, crashInfo); |
| } |
| |
| public void handleApplicationStrictModeViolation( |
| IBinder app, |
| int violationMask, |
| StrictMode.ViolationInfo info) { |
| ProcessRecord r = findAppProcess(app, "StrictMode"); |
| if (r == null) { |
| return; |
| } |
| |
| if ((violationMask & StrictMode.PENALTY_DROPBOX) != 0) { |
| Integer stackFingerprint = info.hashCode(); |
| boolean logIt = true; |
| synchronized (mAlreadyLoggedViolatedStacks) { |
| if (mAlreadyLoggedViolatedStacks.contains(stackFingerprint)) { |
| logIt = false; |
| // TODO: sub-sample into EventLog for these, with |
| // the info.durationMillis? Then we'd get |
| // the relative pain numbers, without logging all |
| // the stack traces repeatedly. We'd want to do |
| // likewise in the client code, which also does |
| // dup suppression, before the Binder call. |
| } else { |
| if (mAlreadyLoggedViolatedStacks.size() >= MAX_DUP_SUPPRESSED_STACKS) { |
| mAlreadyLoggedViolatedStacks.clear(); |
| } |
| mAlreadyLoggedViolatedStacks.add(stackFingerprint); |
| } |
| } |
| if (logIt) { |
| logStrictModeViolationToDropBox(r, info); |
| } |
| } |
| |
| if ((violationMask & StrictMode.PENALTY_DIALOG) != 0) { |
| AppErrorResult result = new AppErrorResult(); |
| synchronized (this) { |
| final long origId = Binder.clearCallingIdentity(); |
| |
| Message msg = Message.obtain(); |
| msg.what = SHOW_STRICT_MODE_VIOLATION_MSG; |
| HashMap<String, Object> data = new HashMap<String, Object>(); |
| data.put("result", result); |
| data.put("app", r); |
| data.put("violationMask", violationMask); |
| data.put("info", info); |
| msg.obj = data; |
| mHandler.sendMessage(msg); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| int res = result.get(); |
| Slog.w(TAG, "handleApplicationStrictModeViolation; res=" + res); |
| } |
| } |
| |
| // Depending on the policy in effect, there could be a bunch of |
| // these in quick succession so we try to batch these together to |
| // minimize disk writes, number of dropbox entries, and maximize |
| // compression, by having more fewer, larger records. |
| private void logStrictModeViolationToDropBox( |
| ProcessRecord process, |
| StrictMode.ViolationInfo info) { |
| if (info == null) { |
| return; |
| } |
| final boolean isSystemApp = process == null || |
| (process.info.flags & (ApplicationInfo.FLAG_SYSTEM | |
| ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0; |
| final String processName = process == null ? "unknown" : process.processName; |
| final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode"; |
| final DropBoxManager dbox = (DropBoxManager) |
| mContext.getSystemService(Context.DROPBOX_SERVICE); |
| |
| // Exit early if the dropbox isn't configured to accept this report type. |
| if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; |
| |
| boolean bufferWasEmpty; |
| boolean needsFlush; |
| final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024); |
| synchronized (sb) { |
| bufferWasEmpty = sb.length() == 0; |
| appendDropBoxProcessHeaders(process, processName, sb); |
| sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); |
| sb.append("System-App: ").append(isSystemApp).append("\n"); |
| sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n"); |
| if (info.violationNumThisLoop != 0) { |
| sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n"); |
| } |
| if (info.numAnimationsRunning != 0) { |
| sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n"); |
| } |
| if (info.broadcastIntentAction != null) { |
| sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n"); |
| } |
| if (info.durationMillis != -1) { |
| sb.append("Duration-Millis: ").append(info.durationMillis).append("\n"); |
| } |
| if (info.numInstances != -1) { |
| sb.append("Instance-Count: ").append(info.numInstances).append("\n"); |
| } |
| if (info.tags != null) { |
| for (String tag : info.tags) { |
| sb.append("Span-Tag: ").append(tag).append("\n"); |
| } |
| } |
| sb.append("\n"); |
| if (info.crashInfo != null && info.crashInfo.stackTrace != null) { |
| sb.append(info.crashInfo.stackTrace); |
| } |
| sb.append("\n"); |
| |
| // Only buffer up to ~64k. Various logging bits truncate |
| // things at 128k. |
| needsFlush = (sb.length() > 64 * 1024); |
| } |
| |
| // Flush immediately if the buffer's grown too large, or this |
| // is a non-system app. Non-system apps are isolated with a |
| // different tag & policy and not batched. |
| // |
| // Batching is useful during internal testing with |
| // StrictMode settings turned up high. Without batching, |
| // thousands of separate files could be created on boot. |
| if (!isSystemApp || needsFlush) { |
| new Thread("Error dump: " + dropboxTag) { |
| @Override |
| public void run() { |
| String report; |
| synchronized (sb) { |
| report = sb.toString(); |
| sb.delete(0, sb.length()); |
| sb.trimToSize(); |
| } |
| if (report.length() != 0) { |
| dbox.addText(dropboxTag, report); |
| } |
| } |
| }.start(); |
| return; |
| } |
| |
| // System app batching: |
| if (!bufferWasEmpty) { |
| // An existing dropbox-writing thread is outstanding, so |
| // we don't need to start it up. The existing thread will |
| // catch the buffer appends we just did. |
| return; |
| } |
| |
| // Worker thread to both batch writes and to avoid blocking the caller on I/O. |
| // (After this point, we shouldn't access AMS internal data structures.) |
| new Thread("Error dump: " + dropboxTag) { |
| @Override |
| public void run() { |
| // 5 second sleep to let stacks arrive and be batched together |
| try { |
| Thread.sleep(5000); // 5 seconds |
| } catch (InterruptedException e) {} |
| |
| String errorReport; |
| synchronized (mStrictModeBuffer) { |
| errorReport = mStrictModeBuffer.toString(); |
| if (errorReport.length() == 0) { |
| return; |
| } |
| mStrictModeBuffer.delete(0, mStrictModeBuffer.length()); |
| mStrictModeBuffer.trimToSize(); |
| } |
| dbox.addText(dropboxTag, errorReport); |
| } |
| }.start(); |
| } |
| |
| /** |
| * Used by {@link Log} via {@link com.android.internal.os.RuntimeInit} to report serious errors. |
| * @param app object of the crashing app, null for the system server |
| * @param tag reported by the caller |
| * @param crashInfo describing the context of the error |
| * @return true if the process should exit immediately (WTF is fatal) |
| */ |
| public boolean handleApplicationWtf(IBinder app, String tag, |
| ApplicationErrorReport.CrashInfo crashInfo) { |
| ProcessRecord r = findAppProcess(app, "WTF"); |
| final String processName = app == null ? "system_server" |
| : (r == null ? "unknown" : r.processName); |
| |
| EventLog.writeEvent(EventLogTags.AM_WTF, |
| UserHandle.getUserId(Binder.getCallingUid()), Binder.getCallingPid(), |
| processName, |
| r == null ? -1 : r.info.flags, |
| tag, crashInfo.exceptionMessage); |
| |
| addErrorToDropBox("wtf", r, processName, null, null, tag, null, null, crashInfo); |
| |
| if (r != null && r.pid != Process.myPid() && |
| Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.WTF_IS_FATAL, 0) != 0) { |
| crashApplication(r, crashInfo); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * @param app object of some object (as stored in {@link com.android.internal.os.RuntimeInit}) |
| * @return the corresponding {@link ProcessRecord} object, or null if none could be found |
| */ |
| private ProcessRecord findAppProcess(IBinder app, String reason) { |
| if (app == null) { |
| return null; |
| } |
| |
| synchronized (this) { |
| for (SparseArray<ProcessRecord> apps : mProcessNames.getMap().values()) { |
| final int NA = apps.size(); |
| for (int ia=0; ia<NA; ia++) { |
| ProcessRecord p = apps.valueAt(ia); |
| if (p.thread != null && p.thread.asBinder() == app) { |
| return p; |
| } |
| } |
| } |
| |
| Slog.w(TAG, "Can't find mystery application for " + reason |
| + " from pid=" + Binder.getCallingPid() |
| + " uid=" + Binder.getCallingUid() + ": " + app); |
| return null; |
| } |
| } |
| |
| /** |
| * Utility function for addErrorToDropBox and handleStrictModeViolation's logging |
| * to append various headers to the dropbox log text. |
| */ |
| private void appendDropBoxProcessHeaders(ProcessRecord process, String processName, |
| StringBuilder sb) { |
| // Watchdog thread ends up invoking this function (with |
| // a null ProcessRecord) to add the stack file to dropbox. |
| // Do not acquire a lock on this (am) in such cases, as it |
| // could cause a potential deadlock, if and when watchdog |
| // is invoked due to unavailability of lock on am and it |
| // would prevent watchdog from killing system_server. |
| if (process == null) { |
| sb.append("Process: ").append(processName).append("\n"); |
| return; |
| } |
| // Note: ProcessRecord 'process' is guarded by the service |
| // instance. (notably process.pkgList, which could otherwise change |
| // concurrently during execution of this method) |
| synchronized (this) { |
| sb.append("Process: ").append(processName).append("\n"); |
| int flags = process.info.flags; |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| sb.append("Flags: 0x").append(Integer.toString(flags, 16)).append("\n"); |
| for (String pkg : process.pkgList) { |
| sb.append("Package: ").append(pkg); |
| try { |
| PackageInfo pi = pm.getPackageInfo(pkg, 0, UserHandle.getCallingUserId()); |
| if (pi != null) { |
| sb.append(" v").append(pi.versionCode); |
| if (pi.versionName != null) { |
| sb.append(" (").append(pi.versionName).append(")"); |
| } |
| } |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Error getting package info: " + pkg, e); |
| } |
| sb.append("\n"); |
| } |
| } |
| } |
| |
| private static String processClass(ProcessRecord process) { |
| if (process == null || process.pid == MY_PID) { |
| return "system_server"; |
| } else if ((process.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| return "system_app"; |
| } else { |
| return "data_app"; |
| } |
| } |
| |
| /** |
| * Write a description of an error (crash, WTF, ANR) to the drop box. |
| * @param eventType to include in the drop box tag ("crash", "wtf", etc.) |
| * @param process which caused the error, null means the system server |
| * @param activity which triggered the error, null if unknown |
| * @param parent activity related to the error, null if unknown |
| * @param subject line related to the error, null if absent |
| * @param report in long form describing the error, null if absent |
| * @param logFile to include in the report, null if none |
| * @param crashInfo giving an application stack trace, null if absent |
| */ |
| public void addErrorToDropBox(String eventType, |
| ProcessRecord process, String processName, ActivityRecord activity, |
| ActivityRecord parent, String subject, |
| final String report, final File logFile, |
| final ApplicationErrorReport.CrashInfo crashInfo) { |
| // NOTE -- this must never acquire the ActivityManagerService lock, |
| // otherwise the watchdog may be prevented from resetting the system. |
| |
| final String dropboxTag = processClass(process) + "_" + eventType; |
| final DropBoxManager dbox = (DropBoxManager) |
| mContext.getSystemService(Context.DROPBOX_SERVICE); |
| |
| // Exit early if the dropbox isn't configured to accept this report type. |
| if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return; |
| |
| final StringBuilder sb = new StringBuilder(1024); |
| appendDropBoxProcessHeaders(process, processName, sb); |
| if (activity != null) { |
| sb.append("Activity: ").append(activity.shortComponentName).append("\n"); |
| } |
| if (parent != null && parent.app != null && parent.app.pid != process.pid) { |
| sb.append("Parent-Process: ").append(parent.app.processName).append("\n"); |
| } |
| if (parent != null && parent != activity) { |
| sb.append("Parent-Activity: ").append(parent.shortComponentName).append("\n"); |
| } |
| if (subject != null) { |
| sb.append("Subject: ").append(subject).append("\n"); |
| } |
| sb.append("Build: ").append(Build.FINGERPRINT).append("\n"); |
| if (Debug.isDebuggerConnected()) { |
| sb.append("Debugger: Connected\n"); |
| } |
| sb.append("\n"); |
| |
| // Do the rest in a worker thread to avoid blocking the caller on I/O |
| // (After this point, we shouldn't access AMS internal data structures.) |
| Thread worker = new Thread("Error dump: " + dropboxTag) { |
| @Override |
| public void run() { |
| if (report != null) { |
| sb.append(report); |
| } |
| if (logFile != null) { |
| try { |
| sb.append(FileUtils.readTextFile(logFile, 128 * 1024, "\n\n[[TRUNCATED]]")); |
| } catch (IOException e) { |
| Slog.e(TAG, "Error reading " + logFile, e); |
| } |
| } |
| if (crashInfo != null && crashInfo.stackTrace != null) { |
| sb.append(crashInfo.stackTrace); |
| } |
| |
| String setting = Settings.Global.ERROR_LOGCAT_PREFIX + dropboxTag; |
| int lines = Settings.Global.getInt(mContext.getContentResolver(), setting, 0); |
| if (lines > 0) { |
| sb.append("\n"); |
| |
| // Merge several logcat streams, and take the last N lines |
| InputStreamReader input = null; |
| try { |
| java.lang.Process logcat = new ProcessBuilder("/system/bin/logcat", |
| "-v", "time", "-b", "events", "-b", "system", "-b", "main", |
| "-t", String.valueOf(lines)).redirectErrorStream(true).start(); |
| |
| try { logcat.getOutputStream().close(); } catch (IOException e) {} |
| try { logcat.getErrorStream().close(); } catch (IOException e) {} |
| input = new InputStreamReader(logcat.getInputStream()); |
| |
| int num; |
| char[] buf = new char[8192]; |
| while ((num = input.read(buf)) > 0) sb.append(buf, 0, num); |
| } catch (IOException e) { |
| Slog.e(TAG, "Error running logcat", e); |
| } finally { |
| if (input != null) try { input.close(); } catch (IOException e) {} |
| } |
| } |
| |
| dbox.addText(dropboxTag, sb.toString()); |
| } |
| }; |
| |
| if (process == null) { |
| // If process is null, we are being called from some internal code |
| // and may be about to die -- run this synchronously. |
| worker.run(); |
| } else { |
| worker.start(); |
| } |
| } |
| |
| /** |
| * Bring up the "unexpected error" dialog box for a crashing app. |
| * Deal with edge cases (intercepts from instrumented applications, |
| * ActivityController, error intent receivers, that sort of thing). |
| * @param r the application crashing |
| * @param crashInfo describing the failure |
| */ |
| private void crashApplication(ProcessRecord r, ApplicationErrorReport.CrashInfo crashInfo) { |
| long timeMillis = System.currentTimeMillis(); |
| String shortMsg = crashInfo.exceptionClassName; |
| String longMsg = crashInfo.exceptionMessage; |
| String stackTrace = crashInfo.stackTrace; |
| if (shortMsg != null && longMsg != null) { |
| longMsg = shortMsg + ": " + longMsg; |
| } else if (shortMsg != null) { |
| longMsg = shortMsg; |
| } |
| |
| AppErrorResult result = new AppErrorResult(); |
| synchronized (this) { |
| if (mController != null) { |
| try { |
| String name = r != null ? r.processName : null; |
| int pid = r != null ? r.pid : Binder.getCallingPid(); |
| if (!mController.appCrashed(name, pid, |
| shortMsg, longMsg, timeMillis, crashInfo.stackTrace)) { |
| Slog.w(TAG, "Force-killing crashed app " + name |
| + " at watcher's request"); |
| Process.killProcess(pid); |
| return; |
| } |
| } catch (RemoteException e) { |
| mController = null; |
| Watchdog.getInstance().setActivityController(null); |
| } |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| // If this process is running instrumentation, finish it. |
| if (r != null && r.instrumentationClass != null) { |
| Slog.w(TAG, "Error in app " + r.processName |
| + " running instrumentation " + r.instrumentationClass + ":"); |
| if (shortMsg != null) Slog.w(TAG, " " + shortMsg); |
| if (longMsg != null) Slog.w(TAG, " " + longMsg); |
| Bundle info = new Bundle(); |
| info.putString("shortMsg", shortMsg); |
| info.putString("longMsg", longMsg); |
| finishInstrumentationLocked(r, Activity.RESULT_CANCELED, info); |
| Binder.restoreCallingIdentity(origId); |
| return; |
| } |
| |
| // If we can't identify the process or it's already exceeded its crash quota, |
| // quit right away without showing a crash dialog. |
| if (r == null || !makeAppCrashingLocked(r, shortMsg, longMsg, stackTrace)) { |
| Binder.restoreCallingIdentity(origId); |
| return; |
| } |
| |
| Message msg = Message.obtain(); |
| msg.what = SHOW_ERROR_MSG; |
| HashMap data = new HashMap(); |
| data.put("result", result); |
| data.put("app", r); |
| msg.obj = data; |
| mHandler.sendMessage(msg); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| int res = result.get(); |
| |
| Intent appErrorIntent = null; |
| synchronized (this) { |
| if (r != null && !r.isolated) { |
| // XXX Can't keep track of crash time for isolated processes, |
| // since they don't have a persistent identity. |
| mProcessCrashTimes.put(r.info.processName, r.uid, |
| SystemClock.uptimeMillis()); |
| } |
| if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) { |
| appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo); |
| } |
| } |
| |
| if (appErrorIntent != null) { |
| try { |
| mContext.startActivityAsUser(appErrorIntent, new UserHandle(r.userId)); |
| } catch (ActivityNotFoundException e) { |
| Slog.w(TAG, "bug report receiver dissappeared", e); |
| } |
| } |
| } |
| |
| Intent createAppErrorIntentLocked(ProcessRecord r, |
| long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { |
| ApplicationErrorReport report = createAppErrorReportLocked(r, timeMillis, crashInfo); |
| if (report == null) { |
| return null; |
| } |
| Intent result = new Intent(Intent.ACTION_APP_ERROR); |
| result.setComponent(r.errorReportReceiver); |
| result.putExtra(Intent.EXTRA_BUG_REPORT, report); |
| result.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| return result; |
| } |
| |
| private ApplicationErrorReport createAppErrorReportLocked(ProcessRecord r, |
| long timeMillis, ApplicationErrorReport.CrashInfo crashInfo) { |
| if (r.errorReportReceiver == null) { |
| return null; |
| } |
| |
| if (!r.crashing && !r.notResponding && !r.forceCrashReport) { |
| return null; |
| } |
| |
| ApplicationErrorReport report = new ApplicationErrorReport(); |
| report.packageName = r.info.packageName; |
| report.installerPackageName = r.errorReportReceiver.getPackageName(); |
| report.processName = r.processName; |
| report.time = timeMillis; |
| report.systemApp = (r.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; |
| |
| if (r.crashing || r.forceCrashReport) { |
| report.type = ApplicationErrorReport.TYPE_CRASH; |
| report.crashInfo = crashInfo; |
| } else if (r.notResponding) { |
| report.type = ApplicationErrorReport.TYPE_ANR; |
| report.anrInfo = new ApplicationErrorReport.AnrInfo(); |
| |
| report.anrInfo.activity = r.notRespondingReport.tag; |
| report.anrInfo.cause = r.notRespondingReport.shortMsg; |
| report.anrInfo.info = r.notRespondingReport.longMsg; |
| } |
| |
| return report; |
| } |
| |
| public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState() { |
| enforceNotIsolatedCaller("getProcessesInErrorState"); |
| // assume our apps are happy - lazy create the list |
| List<ActivityManager.ProcessErrorStateInfo> errList = null; |
| |
| final boolean allUsers = ActivityManager.checkUidPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; |
| int userId = UserHandle.getUserId(Binder.getCallingUid()); |
| |
| synchronized (this) { |
| |
| // iterate across all processes |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord app = mLruProcesses.get(i); |
| if (!allUsers && app.userId != userId) { |
| continue; |
| } |
| if ((app.thread != null) && (app.crashing || app.notResponding)) { |
| // This one's in trouble, so we'll generate a report for it |
| // crashes are higher priority (in case there's a crash *and* an anr) |
| ActivityManager.ProcessErrorStateInfo report = null; |
| if (app.crashing) { |
| report = app.crashingReport; |
| } else if (app.notResponding) { |
| report = app.notRespondingReport; |
| } |
| |
| if (report != null) { |
| if (errList == null) { |
| errList = new ArrayList<ActivityManager.ProcessErrorStateInfo>(1); |
| } |
| errList.add(report); |
| } else { |
| Slog.w(TAG, "Missing app error report, app = " + app.processName + |
| " crashing = " + app.crashing + |
| " notResponding = " + app.notResponding); |
| } |
| } |
| } |
| } |
| |
| return errList; |
| } |
| |
| static int oomAdjToImportance(int adj, ActivityManager.RunningAppProcessInfo currApp) { |
| if (adj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| if (currApp != null) { |
| currApp.lru = adj - ProcessList.HIDDEN_APP_MIN_ADJ + 1; |
| } |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| } else if (adj >= ProcessList.SERVICE_B_ADJ) { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| } else if (adj >= ProcessList.HOME_APP_ADJ) { |
| if (currApp != null) { |
| currApp.lru = 0; |
| } |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| } else if (adj >= ProcessList.SERVICE_ADJ) { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| } else if (adj >= ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_CANT_SAVE_STATE; |
| } else if (adj >= ProcessList.PERCEPTIBLE_APP_ADJ) { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERCEPTIBLE; |
| } else if (adj >= ProcessList.VISIBLE_APP_ADJ) { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE; |
| } else { |
| return ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND; |
| } |
| } |
| |
| private void fillInProcMemInfo(ProcessRecord app, |
| ActivityManager.RunningAppProcessInfo outInfo) { |
| outInfo.pid = app.pid; |
| outInfo.uid = app.info.uid; |
| if (mHeavyWeightProcess == app) { |
| outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; |
| } |
| if (app.persistent) { |
| outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; |
| } |
| if (app.hasActivities) { |
| outInfo.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HAS_ACTIVITIES; |
| } |
| outInfo.lastTrimLevel = app.trimMemoryLevel; |
| int adj = app.curAdj; |
| outInfo.importance = oomAdjToImportance(adj, outInfo); |
| outInfo.importanceReasonCode = app.adjTypeCode; |
| } |
| |
| public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { |
| enforceNotIsolatedCaller("getRunningAppProcesses"); |
| // Lazy instantiation of list |
| List<ActivityManager.RunningAppProcessInfo> runList = null; |
| final boolean allUsers = ActivityManager.checkUidPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| Binder.getCallingUid()) == PackageManager.PERMISSION_GRANTED; |
| int userId = UserHandle.getUserId(Binder.getCallingUid()); |
| synchronized (this) { |
| // Iterate across all processes |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord app = mLruProcesses.get(i); |
| if (!allUsers && app.userId != userId) { |
| continue; |
| } |
| if ((app.thread != null) && (!app.crashing && !app.notResponding)) { |
| // Generate process state info for running application |
| ActivityManager.RunningAppProcessInfo currApp = |
| new ActivityManager.RunningAppProcessInfo(app.processName, |
| app.pid, app.getPackageList()); |
| fillInProcMemInfo(app, currApp); |
| if (app.adjSource instanceof ProcessRecord) { |
| currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; |
| currApp.importanceReasonImportance = oomAdjToImportance( |
| app.adjSourceOom, null); |
| } else if (app.adjSource instanceof ActivityRecord) { |
| ActivityRecord r = (ActivityRecord)app.adjSource; |
| if (r.app != null) currApp.importanceReasonPid = r.app.pid; |
| } |
| if (app.adjTarget instanceof ComponentName) { |
| currApp.importanceReasonComponent = (ComponentName)app.adjTarget; |
| } |
| //Slog.v(TAG, "Proc " + app.processName + ": imp=" + currApp.importance |
| // + " lru=" + currApp.lru); |
| if (runList == null) { |
| runList = new ArrayList<ActivityManager.RunningAppProcessInfo>(); |
| } |
| runList.add(currApp); |
| } |
| } |
| } |
| return runList; |
| } |
| |
| public List<ApplicationInfo> getRunningExternalApplications() { |
| enforceNotIsolatedCaller("getRunningExternalApplications"); |
| List<ActivityManager.RunningAppProcessInfo> runningApps = getRunningAppProcesses(); |
| List<ApplicationInfo> retList = new ArrayList<ApplicationInfo>(); |
| if (runningApps != null && runningApps.size() > 0) { |
| Set<String> extList = new HashSet<String>(); |
| for (ActivityManager.RunningAppProcessInfo app : runningApps) { |
| if (app.pkgList != null) { |
| for (String pkg : app.pkgList) { |
| extList.add(pkg); |
| } |
| } |
| } |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| for (String pkg : extList) { |
| try { |
| ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId()); |
| if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { |
| retList.add(info); |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| return retList; |
| } |
| |
| @Override |
| public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo) { |
| enforceNotIsolatedCaller("getMyMemoryState"); |
| synchronized (this) { |
| ProcessRecord proc; |
| synchronized (mPidsSelfLocked) { |
| proc = mPidsSelfLocked.get(Binder.getCallingPid()); |
| } |
| fillInProcMemInfo(proc, outInfo); |
| } |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (checkCallingPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump ActivityManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " without permission " |
| + android.Manifest.permission.DUMP); |
| return; |
| } |
| |
| boolean dumpAll = false; |
| boolean dumpClient = false; |
| String dumpPackage = null; |
| |
| int opti = 0; |
| while (opti < args.length) { |
| String opt = args[opti]; |
| if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { |
| break; |
| } |
| opti++; |
| if ("-a".equals(opt)) { |
| dumpAll = true; |
| } else if ("-c".equals(opt)) { |
| dumpClient = true; |
| } else if ("-h".equals(opt)) { |
| pw.println("Activity manager dump options:"); |
| pw.println(" [-a] [-c] [-h] [cmd] ..."); |
| pw.println(" cmd may be one of:"); |
| pw.println(" a[ctivities]: activity stack state"); |
| pw.println(" b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state"); |
| pw.println(" i[ntents] [PACKAGE_NAME]: pending intent state"); |
| pw.println(" p[rocesses] [PACKAGE_NAME]: process state"); |
| pw.println(" o[om]: out of memory management"); |
| pw.println(" prov[iders] [COMP_SPEC ...]: content provider state"); |
| pw.println(" provider [COMP_SPEC]: provider client-side state"); |
| pw.println(" s[ervices] [COMP_SPEC ...]: service state"); |
| pw.println(" service [COMP_SPEC]: service client-side state"); |
| pw.println(" package [PACKAGE_NAME]: all state related to given package"); |
| pw.println(" all: dump all activities"); |
| pw.println(" top: dump the top activity"); |
| pw.println(" cmd may also be a COMP_SPEC to dump activities."); |
| pw.println(" COMP_SPEC may be a component name (com.foo/.myApp),"); |
| pw.println(" a partial substring in a component name, a"); |
| pw.println(" hex object identifier."); |
| pw.println(" -a: include all available server state."); |
| pw.println(" -c: include client state."); |
| return; |
| } else { |
| pw.println("Unknown argument: " + opt + "; use -h for help"); |
| } |
| } |
| |
| long origId = Binder.clearCallingIdentity(); |
| boolean more = false; |
| // Is the caller requesting to dump a particular piece of data? |
| if (opti < args.length) { |
| String cmd = args[opti]; |
| opti++; |
| if ("activities".equals(cmd) || "a".equals(cmd)) { |
| synchronized (this) { |
| dumpActivitiesLocked(fd, pw, args, opti, true, dumpClient, null); |
| } |
| } else if ("broadcasts".equals(cmd) || "b".equals(cmd)) { |
| String[] newArgs; |
| String name; |
| if (opti >= args.length) { |
| name = null; |
| newArgs = EMPTY_STRING_ARRAY; |
| } else { |
| name = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, |
| args.length - opti); |
| } |
| synchronized (this) { |
| dumpBroadcastsLocked(fd, pw, args, opti, true, name); |
| } |
| } else if ("intents".equals(cmd) || "i".equals(cmd)) { |
| String[] newArgs; |
| String name; |
| if (opti >= args.length) { |
| name = null; |
| newArgs = EMPTY_STRING_ARRAY; |
| } else { |
| name = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, |
| args.length - opti); |
| } |
| synchronized (this) { |
| dumpPendingIntentsLocked(fd, pw, args, opti, true, name); |
| } |
| } else if ("processes".equals(cmd) || "p".equals(cmd)) { |
| String[] newArgs; |
| String name; |
| if (opti >= args.length) { |
| name = null; |
| newArgs = EMPTY_STRING_ARRAY; |
| } else { |
| name = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, |
| args.length - opti); |
| } |
| synchronized (this) { |
| dumpProcessesLocked(fd, pw, args, opti, true, name); |
| } |
| } else if ("oom".equals(cmd) || "o".equals(cmd)) { |
| synchronized (this) { |
| dumpOomLocked(fd, pw, args, opti, true); |
| } |
| } else if ("provider".equals(cmd)) { |
| String[] newArgs; |
| String name; |
| if (opti >= args.length) { |
| name = null; |
| newArgs = EMPTY_STRING_ARRAY; |
| } else { |
| name = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti); |
| } |
| if (!dumpProvider(fd, pw, name, newArgs, 0, dumpAll)) { |
| pw.println("No providers match: " + name); |
| pw.println("Use -h for help."); |
| } |
| } else if ("providers".equals(cmd) || "prov".equals(cmd)) { |
| synchronized (this) { |
| dumpProvidersLocked(fd, pw, args, opti, true, null); |
| } |
| } else if ("service".equals(cmd)) { |
| String[] newArgs; |
| String name; |
| if (opti >= args.length) { |
| name = null; |
| newArgs = EMPTY_STRING_ARRAY; |
| } else { |
| name = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, |
| args.length - opti); |
| } |
| if (!mServices.dumpService(fd, pw, name, newArgs, 0, dumpAll)) { |
| pw.println("No services match: " + name); |
| pw.println("Use -h for help."); |
| } |
| } else if ("package".equals(cmd)) { |
| String[] newArgs; |
| if (opti >= args.length) { |
| pw.println("package: no package name specified"); |
| pw.println("Use -h for help."); |
| } else { |
| dumpPackage = args[opti]; |
| opti++; |
| newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, |
| args.length - opti); |
| args = newArgs; |
| opti = 0; |
| more = true; |
| } |
| } else if ("services".equals(cmd) || "s".equals(cmd)) { |
| synchronized (this) { |
| mServices.dumpServicesLocked(fd, pw, args, opti, true, dumpClient, null); |
| } |
| } else { |
| // Dumping a single activity? |
| if (!dumpActivity(fd, pw, cmd, args, opti, dumpAll)) { |
| pw.println("Bad activity command, or no activities match: " + cmd); |
| pw.println("Use -h for help."); |
| } |
| } |
| if (!more) { |
| Binder.restoreCallingIdentity(origId); |
| return; |
| } |
| } |
| |
| // No piece of data specified, dump everything. |
| synchronized (this) { |
| boolean needSep; |
| needSep = dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll, dumpPackage); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpBroadcastsLocked(fd, pw, args, opti, dumpAll, dumpPackage); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpProvidersLocked(fd, pw, args, opti, dumpAll, dumpPackage); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = mServices.dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient, dumpPackage); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| dumpProcessesLocked(fd, pw, args, opti, dumpAll, dumpPackage); |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) { |
| pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)"); |
| |
| mStackSupervisor.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage); |
| |
| pw.println(" "); |
| pw.println(" mFocusedActivity: " + mFocusedActivity); |
| pw.println(" "); |
| |
| mStackSupervisor.dump(pw, " "); |
| |
| if (mRecentTasks.size() > 0) { |
| pw.println(); |
| pw.println(" Recent tasks:"); |
| |
| final int N = mRecentTasks.size(); |
| for (int i=0; i<N; i++) { |
| TaskRecord tr = mRecentTasks.get(i); |
| if (dumpPackage != null) { |
| if (tr.realActivity == null || |
| !dumpPackage.equals(tr.realActivity)) { |
| continue; |
| } |
| } |
| pw.print(" * Recent #"); pw.print(i); pw.print(": "); |
| pw.println(tr); |
| if (dumpAll) { |
| mRecentTasks.get(i).dump(pw, " "); |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| boolean dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, String dumpPackage) { |
| boolean needSep = false; |
| int numPers = 0; |
| |
| pw.println("ACTIVITY MANAGER RUNNING PROCESSES (dumpsys activity processes)"); |
| |
| if (dumpAll) { |
| for (SparseArray<ProcessRecord> procs : mProcessNames.getMap().values()) { |
| final int NA = procs.size(); |
| for (int ia=0; ia<NA; ia++) { |
| ProcessRecord r = procs.valueAt(ia); |
| if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { |
| continue; |
| } |
| if (!needSep) { |
| pw.println(" All known processes:"); |
| needSep = true; |
| } |
| pw.print(r.persistent ? " *PERS*" : " *APP*"); |
| pw.print(" UID "); pw.print(procs.keyAt(ia)); |
| pw.print(" "); pw.println(r); |
| r.dump(pw, " "); |
| if (r.persistent) { |
| numPers++; |
| } |
| } |
| } |
| } |
| |
| if (mIsolatedProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Isolated process list (sorted by uid):"); |
| for (int i=0; i<mIsolatedProcesses.size(); i++) { |
| ProcessRecord r = mIsolatedProcesses.valueAt(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { |
| continue; |
| } |
| pw.println(String.format("%sIsolated #%2d: %s", |
| " ", i, r.toString())); |
| } |
| } |
| |
| if (mLruProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Process LRU list (sorted by oom_adj):"); |
| dumpProcessOomList(pw, this, mLruProcesses, " ", |
| "Proc", "PERS", false, dumpPackage); |
| needSep = true; |
| } |
| |
| if (dumpAll) { |
| synchronized (mPidsSelfLocked) { |
| boolean printed = false; |
| for (int i=0; i<mPidsSelfLocked.size(); i++) { |
| ProcessRecord r = mPidsSelfLocked.valueAt(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" PID mappings:"); |
| printed = true; |
| } |
| pw.print(" PID #"); pw.print(mPidsSelfLocked.keyAt(i)); |
| pw.print(": "); pw.println(mPidsSelfLocked.valueAt(i)); |
| } |
| } |
| } |
| |
| if (mForegroundProcesses.size() > 0) { |
| synchronized (mPidsSelfLocked) { |
| boolean printed = false; |
| for (int i=0; i<mForegroundProcesses.size(); i++) { |
| ProcessRecord r = mPidsSelfLocked.get( |
| mForegroundProcesses.valueAt(i).pid); |
| if (dumpPackage != null && (r == null |
| || !dumpPackage.equals(r.info.packageName))) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Foreground Processes:"); |
| printed = true; |
| } |
| pw.print(" PID #"); pw.print(mForegroundProcesses.keyAt(i)); |
| pw.print(": "); pw.println(mForegroundProcesses.valueAt(i)); |
| } |
| } |
| } |
| |
| if (mPersistentStartingProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Persisent processes that are starting:"); |
| dumpProcessList(pw, this, mPersistentStartingProcesses, " ", |
| "Starting Norm", "Restarting PERS", dumpPackage); |
| } |
| |
| if (mRemovedProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Processes that are being removed:"); |
| dumpProcessList(pw, this, mRemovedProcesses, " ", |
| "Removed Norm", "Removed PERS", dumpPackage); |
| } |
| |
| if (mProcessesOnHold.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Processes that are on old until the system is ready:"); |
| dumpProcessList(pw, this, mProcessesOnHold, " ", |
| "OnHold Norm", "OnHold PERS", dumpPackage); |
| } |
| |
| needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, dumpPackage); |
| |
| if (mProcessCrashTimes.getMap().size() > 0) { |
| boolean printed = false; |
| long now = SystemClock.uptimeMillis(); |
| for (Map.Entry<String, SparseArray<Long>> procs |
| : mProcessCrashTimes.getMap().entrySet()) { |
| String pname = procs.getKey(); |
| SparseArray<Long> uids = procs.getValue(); |
| final int N = uids.size(); |
| for (int i=0; i<N; i++) { |
| int puid = uids.keyAt(i); |
| ProcessRecord r = mProcessNames.get(pname, puid); |
| if (dumpPackage != null && (r == null |
| || !dumpPackage.equals(r.info.packageName))) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Time since processes crashed:"); |
| printed = true; |
| } |
| pw.print(" Process "); pw.print(pname); |
| pw.print(" uid "); pw.print(puid); |
| pw.print(": last crashed "); |
| TimeUtils.formatDuration(now-uids.valueAt(i), pw); |
| pw.println(" ago"); |
| } |
| } |
| } |
| |
| if (mBadProcesses.getMap().size() > 0) { |
| boolean printed = false; |
| for (Map.Entry<String, SparseArray<Long>> procs |
| : mBadProcesses.getMap().entrySet()) { |
| String pname = procs.getKey(); |
| SparseArray<Long> uids = procs.getValue(); |
| final int N = uids.size(); |
| for (int i=0; i<N; i++) { |
| int puid = uids.keyAt(i); |
| ProcessRecord r = mProcessNames.get(pname, puid); |
| if (dumpPackage != null && (r == null |
| || !dumpPackage.equals(r.info.packageName))) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Bad processes:"); |
| } |
| pw.print(" Bad process "); pw.print(pname); |
| pw.print(" uid "); pw.print(puid); |
| pw.print(": crashed at time "); |
| pw.println(uids.valueAt(i)); |
| } |
| } |
| } |
| |
| pw.println(); |
| pw.println(" mStartedUsers:"); |
| for (int i=0; i<mStartedUsers.size(); i++) { |
| UserStartedState uss = mStartedUsers.valueAt(i); |
| pw.print(" User #"); pw.print(uss.mHandle.getIdentifier()); |
| pw.print(": "); uss.dump("", pw); |
| } |
| pw.print(" mStartedUserArray: ["); |
| for (int i=0; i<mStartedUserArray.length; i++) { |
| if (i > 0) pw.print(", "); |
| pw.print(mStartedUserArray[i]); |
| } |
| pw.println("]"); |
| pw.print(" mUserLru: ["); |
| for (int i=0; i<mUserLru.size(); i++) { |
| if (i > 0) pw.print(", "); |
| pw.print(mUserLru.get(i)); |
| } |
| pw.println("]"); |
| if (dumpAll) { |
| pw.print(" mStartedUserArray: "); pw.println(Arrays.toString(mStartedUserArray)); |
| } |
| pw.println(" mHomeProcess: " + mHomeProcess); |
| pw.println(" mPreviousProcess: " + mPreviousProcess); |
| if (dumpAll) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append(" mPreviousProcessVisibleTime: "); |
| TimeUtils.formatDuration(mPreviousProcessVisibleTime, sb); |
| pw.println(sb); |
| } |
| if (mHeavyWeightProcess != null) { |
| pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); |
| } |
| pw.println(" mConfiguration: " + mConfiguration); |
| if (dumpAll) { |
| pw.println(" mConfigWillChange: " + getFocusedStack().mConfigWillChange); |
| if (mCompatModePackages.getPackages().size() > 0) { |
| boolean printed = false; |
| for (Map.Entry<String, Integer> entry |
| : mCompatModePackages.getPackages().entrySet()) { |
| String pkg = entry.getKey(); |
| int mode = entry.getValue(); |
| if (dumpPackage != null && !dumpPackage.equals(pkg)) { |
| continue; |
| } |
| if (!printed) { |
| pw.println(" mScreenCompatPackages:"); |
| printed = true; |
| } |
| pw.print(" "); pw.print(pkg); pw.print(": "); |
| pw.print(mode); pw.println(); |
| } |
| } |
| } |
| if (mSleeping || mWentToSleep || mLockScreenShown) { |
| pw.println(" mSleeping=" + mSleeping + " mWentToSleep=" + mWentToSleep |
| + " mLockScreenShown " + mLockScreenShown); |
| } |
| if (mShuttingDown) { |
| pw.println(" mShuttingDown=" + mShuttingDown); |
| } |
| if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient |
| || mOrigWaitForDebugger) { |
| pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp |
| + " mDebugTransient=" + mDebugTransient |
| + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); |
| } |
| if (mOpenGlTraceApp != null) { |
| pw.println(" mOpenGlTraceApp=" + mOpenGlTraceApp); |
| } |
| if (mProfileApp != null || mProfileProc != null || mProfileFile != null |
| || mProfileFd != null) { |
| pw.println(" mProfileApp=" + mProfileApp + " mProfileProc=" + mProfileProc); |
| pw.println(" mProfileFile=" + mProfileFile + " mProfileFd=" + mProfileFd); |
| pw.println(" mProfileType=" + mProfileType + " mAutoStopProfiler=" |
| + mAutoStopProfiler); |
| } |
| if (mAlwaysFinishActivities || mController != null) { |
| pw.println(" mAlwaysFinishActivities=" + mAlwaysFinishActivities |
| + " mController=" + mController); |
| } |
| if (dumpAll) { |
| pw.println(" Total persistent processes: " + numPers); |
| pw.println(" mStartRunning=" + mStartRunning |
| + " mProcessesReady=" + mProcessesReady |
| + " mSystemReady=" + mSystemReady); |
| pw.println(" mBooting=" + mBooting |
| + " mBooted=" + mBooted |
| + " mFactoryTest=" + mFactoryTest); |
| pw.print(" mLastPowerCheckRealtime="); |
| TimeUtils.formatDuration(mLastPowerCheckRealtime, pw); |
| pw.println(""); |
| pw.print(" mLastPowerCheckUptime="); |
| TimeUtils.formatDuration(mLastPowerCheckUptime, pw); |
| pw.println(""); |
| pw.println(" mGoingToSleep=" + getFocusedStack().mGoingToSleep); |
| pw.println(" mLaunchingActivity=" + getFocusedStack().mLaunchingActivity); |
| pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq); |
| pw.println(" mNumNonHiddenProcs=" + mNumNonHiddenProcs |
| + " mNumHiddenProcs=" + mNumHiddenProcs |
| + " mNumServiceProcs=" + mNumServiceProcs |
| + " mNewNumServiceProcs=" + mNewNumServiceProcs); |
| } |
| |
| return true; |
| } |
| |
| boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean needSep, boolean dumpAll, String dumpPackage) { |
| if (mProcessesToGc.size() > 0) { |
| boolean printed = false; |
| long now = SystemClock.uptimeMillis(); |
| for (int i=0; i<mProcessesToGc.size(); i++) { |
| ProcessRecord proc = mProcessesToGc.get(i); |
| if (dumpPackage != null && !dumpPackage.equals(proc.info.packageName)) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Processes that are waiting to GC:"); |
| printed = true; |
| } |
| pw.print(" Process "); pw.println(proc); |
| pw.print(" lowMem="); pw.print(proc.reportLowMemory); |
| pw.print(", last gced="); |
| pw.print(now-proc.lastRequestedGc); |
| pw.print(" ms ago, last lowMem="); |
| pw.print(now-proc.lastLowMemory); |
| pw.println(" ms ago"); |
| |
| } |
| } |
| return needSep; |
| } |
| |
| boolean dumpOomLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll) { |
| boolean needSep = false; |
| |
| if (mLruProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" OOM levels:"); |
| pw.print(" SYSTEM_ADJ: "); pw.println(ProcessList.SYSTEM_ADJ); |
| pw.print(" PERSISTENT_PROC_ADJ: "); pw.println(ProcessList.PERSISTENT_PROC_ADJ); |
| pw.print(" FOREGROUND_APP_ADJ: "); pw.println(ProcessList.FOREGROUND_APP_ADJ); |
| pw.print(" VISIBLE_APP_ADJ: "); pw.println(ProcessList.VISIBLE_APP_ADJ); |
| pw.print(" PERCEPTIBLE_APP_ADJ: "); pw.println(ProcessList.PERCEPTIBLE_APP_ADJ); |
| pw.print(" HEAVY_WEIGHT_APP_ADJ: "); pw.println(ProcessList.HEAVY_WEIGHT_APP_ADJ); |
| pw.print(" BACKUP_APP_ADJ: "); pw.println(ProcessList.BACKUP_APP_ADJ); |
| pw.print(" SERVICE_ADJ: "); pw.println(ProcessList.SERVICE_ADJ); |
| pw.print(" HOME_APP_ADJ: "); pw.println(ProcessList.HOME_APP_ADJ); |
| pw.print(" PREVIOUS_APP_ADJ: "); pw.println(ProcessList.PREVIOUS_APP_ADJ); |
| pw.print(" SERVICE_B_ADJ: "); pw.println(ProcessList.SERVICE_B_ADJ); |
| pw.print(" HIDDEN_APP_MIN_ADJ: "); pw.println(ProcessList.HIDDEN_APP_MIN_ADJ); |
| pw.print(" HIDDEN_APP_MAX_ADJ: "); pw.println(ProcessList.HIDDEN_APP_MAX_ADJ); |
| |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Process OOM control:"); |
| dumpProcessOomList(pw, this, mLruProcesses, " ", |
| "Proc", "PERS", true, null); |
| needSep = true; |
| } |
| |
| needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll, null); |
| |
| pw.println(); |
| pw.println(" mHomeProcess: " + mHomeProcess); |
| pw.println(" mPreviousProcess: " + mPreviousProcess); |
| if (mHeavyWeightProcess != null) { |
| pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * There are three ways to call this: |
| * - no provider specified: dump all the providers |
| * - a flattened component name that matched an existing provider was specified as the |
| * first arg: dump that one provider |
| * - the first arg isn't the flattened component name of an existing provider: |
| * dump all providers whose component contains the first arg as a substring |
| */ |
| protected boolean dumpProvider(FileDescriptor fd, PrintWriter pw, String name, String[] args, |
| int opti, boolean dumpAll) { |
| return mProviderMap.dumpProvider(fd, pw, name, args, opti, dumpAll); |
| } |
| |
| static class ItemMatcher { |
| ArrayList<ComponentName> components; |
| ArrayList<String> strings; |
| ArrayList<Integer> objects; |
| boolean all; |
| |
| ItemMatcher() { |
| all = true; |
| } |
| |
| void build(String name) { |
| ComponentName componentName = ComponentName.unflattenFromString(name); |
| if (componentName != null) { |
| if (components == null) { |
| components = new ArrayList<ComponentName>(); |
| } |
| components.add(componentName); |
| all = false; |
| } else { |
| int objectId = 0; |
| // Not a '/' separated full component name; maybe an object ID? |
| try { |
| objectId = Integer.parseInt(name, 16); |
| if (objects == null) { |
| objects = new ArrayList<Integer>(); |
| } |
| objects.add(objectId); |
| all = false; |
| } catch (RuntimeException e) { |
| // Not an integer; just do string match. |
| if (strings == null) { |
| strings = new ArrayList<String>(); |
| } |
| strings.add(name); |
| all = false; |
| } |
| } |
| } |
| |
| int build(String[] args, int opti) { |
| for (; opti<args.length; opti++) { |
| String name = args[opti]; |
| if ("--".equals(name)) { |
| return opti+1; |
| } |
| build(name); |
| } |
| return opti; |
| } |
| |
| boolean match(Object object, ComponentName comp) { |
| if (all) { |
| return true; |
| } |
| if (components != null) { |
| for (int i=0; i<components.size(); i++) { |
| if (components.get(i).equals(comp)) { |
| return true; |
| } |
| } |
| } |
| if (objects != null) { |
| for (int i=0; i<objects.size(); i++) { |
| if (System.identityHashCode(object) == objects.get(i)) { |
| return true; |
| } |
| } |
| } |
| if (strings != null) { |
| String flat = comp.flattenToString(); |
| for (int i=0; i<strings.size(); i++) { |
| if (flat.contains(strings.get(i))) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * There are three things that cmd can be: |
| * - a flattened component name that matches an existing activity |
| * - the cmd arg isn't the flattened component name of an existing activity: |
| * dump all activity whose component contains the cmd as a substring |
| * - A hex number of the ActivityRecord object instance. |
| */ |
| protected boolean dumpActivity(FileDescriptor fd, PrintWriter pw, String name, String[] args, |
| int opti, boolean dumpAll) { |
| ArrayList<ActivityRecord> activities; |
| |
| synchronized (this) { |
| activities = mStackSupervisor.getDumpActivitiesLocked(name); |
| } |
| |
| if (activities.size() <= 0) { |
| return false; |
| } |
| |
| String[] newArgs = new String[args.length - opti]; |
| if (args.length > 2) System.arraycopy(args, opti, newArgs, 0, args.length - opti); |
| |
| TaskRecord lastTask = null; |
| boolean needSep = false; |
| for (int i=activities.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)activities.get(i); |
| if (needSep) { |
| pw.println(); |
| } |
| needSep = true; |
| synchronized (this) { |
| if (lastTask != r.task) { |
| lastTask = r.task; |
| pw.print("TASK "); pw.print(lastTask.affinity); |
| pw.print(" id="); pw.println(lastTask.taskId); |
| if (dumpAll) { |
| lastTask.dump(pw, " "); |
| } |
| } |
| } |
| dumpActivity(" ", fd, pw, activities.get(i), newArgs, dumpAll); |
| } |
| return true; |
| } |
| |
| /** |
| * Invokes IApplicationThread.dumpActivity() on the thread of the specified activity if |
| * there is a thread associated with the activity. |
| */ |
| private void dumpActivity(String prefix, FileDescriptor fd, PrintWriter pw, |
| final ActivityRecord r, String[] args, boolean dumpAll) { |
| String innerPrefix = prefix + " "; |
| synchronized (this) { |
| pw.print(prefix); pw.print("ACTIVITY "); pw.print(r.shortComponentName); |
| pw.print(" "); pw.print(Integer.toHexString(System.identityHashCode(r))); |
| pw.print(" pid="); |
| if (r.app != null) pw.println(r.app.pid); |
| else pw.println("(not running)"); |
| if (dumpAll) { |
| r.dump(pw, innerPrefix); |
| } |
| } |
| if (r.app != null && r.app.thread != null) { |
| // flush anything that is already in the PrintWriter since the thread is going |
| // to write to the file descriptor directly |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), |
| r.appToken, innerPrefix, args); |
| tp.go(fd); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println(innerPrefix + "Failure while dumping the activity: " + e); |
| } catch (RemoteException e) { |
| pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); |
| } |
| } |
| } |
| |
| boolean dumpBroadcastsLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, String dumpPackage) { |
| boolean needSep = false; |
| boolean onlyHistory = false; |
| |
| if ("history".equals(dumpPackage)) { |
| if (opti < args.length && "-s".equals(args[opti])) { |
| dumpAll = false; |
| } |
| onlyHistory = true; |
| dumpPackage = null; |
| } |
| |
| pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)"); |
| if (!onlyHistory && dumpAll) { |
| if (mRegisteredReceivers.size() > 0) { |
| boolean printed = false; |
| Iterator it = mRegisteredReceivers.values().iterator(); |
| while (it.hasNext()) { |
| ReceiverList r = (ReceiverList)it.next(); |
| if (dumpPackage != null && (r.app == null || |
| !dumpPackage.equals(r.app.info.packageName))) { |
| continue; |
| } |
| if (!printed) { |
| pw.println(" Registered Receivers:"); |
| needSep = true; |
| printed = true; |
| } |
| pw.print(" * "); pw.println(r); |
| r.dump(pw, " "); |
| } |
| } |
| |
| if (mReceiverResolver.dump(pw, needSep ? |
| "\n Receiver Resolver Table:" : " Receiver Resolver Table:", |
| " ", dumpPackage, false)) { |
| needSep = true; |
| } |
| } |
| |
| for (BroadcastQueue q : mBroadcastQueues) { |
| needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep); |
| } |
| |
| needSep = true; |
| |
| if (!onlyHistory && mStickyBroadcasts != null && dumpPackage == null) { |
| for (int user=0; user<mStickyBroadcasts.size(); user++) { |
| if (needSep) { |
| pw.println(); |
| } |
| needSep = true; |
| pw.print(" Sticky broadcasts for user "); |
| pw.print(mStickyBroadcasts.keyAt(user)); pw.println(":"); |
| StringBuilder sb = new StringBuilder(128); |
| for (Map.Entry<String, ArrayList<Intent>> ent |
| : mStickyBroadcasts.valueAt(user).entrySet()) { |
| pw.print(" * Sticky action "); pw.print(ent.getKey()); |
| if (dumpAll) { |
| pw.println(":"); |
| ArrayList<Intent> intents = ent.getValue(); |
| final int N = intents.size(); |
| for (int i=0; i<N; i++) { |
| sb.setLength(0); |
| sb.append(" Intent: "); |
| intents.get(i).toShortString(sb, false, true, false, false); |
| pw.println(sb.toString()); |
| Bundle bundle = intents.get(i).getExtras(); |
| if (bundle != null) { |
| pw.print(" "); |
| pw.println(bundle.toString()); |
| } |
| } |
| } else { |
| pw.println(""); |
| } |
| } |
| } |
| } |
| |
| if (!onlyHistory && dumpAll) { |
| pw.println(); |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| pw.println(" mBroadcastsScheduled [" + queue.mQueueName + "]=" |
| + queue.mBroadcastsScheduled); |
| } |
| pw.println(" mHandler:"); |
| mHandler.dump(new PrintWriterPrinter(pw), " "); |
| needSep = true; |
| } |
| |
| return needSep; |
| } |
| |
| boolean dumpProvidersLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, String dumpPackage) { |
| boolean needSep = true; |
| |
| ItemMatcher matcher = new ItemMatcher(); |
| matcher.build(args, opti); |
| |
| pw.println("ACTIVITY MANAGER CONTENT PROVIDERS (dumpsys activity providers)"); |
| |
| mProviderMap.dumpProvidersLocked(pw, dumpAll); |
| |
| if (mLaunchingProviders.size() > 0) { |
| boolean printed = false; |
| for (int i=mLaunchingProviders.size()-1; i>=0; i--) { |
| ContentProviderRecord r = mLaunchingProviders.get(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.name.getPackageName())) { |
| continue; |
| } |
| if (!printed) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Launching content providers:"); |
| printed = true; |
| } |
| pw.print(" Launching #"); pw.print(i); pw.print(": "); |
| pw.println(r); |
| } |
| } |
| |
| if (mGrantedUriPermissions.size() > 0) { |
| if (needSep) pw.println(); |
| needSep = true; |
| pw.println("Granted Uri Permissions:"); |
| for (int i=0; i<mGrantedUriPermissions.size(); i++) { |
| int uid = mGrantedUriPermissions.keyAt(i); |
| HashMap<Uri, UriPermission> perms |
| = mGrantedUriPermissions.valueAt(i); |
| pw.print(" * UID "); pw.print(uid); |
| pw.println(" holds:"); |
| for (UriPermission perm : perms.values()) { |
| pw.print(" "); pw.println(perm); |
| if (dumpAll) { |
| perm.dump(pw, " "); |
| } |
| } |
| } |
| needSep = true; |
| } |
| |
| return needSep; |
| } |
| |
| boolean dumpPendingIntentsLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, String dumpPackage) { |
| boolean needSep = false; |
| |
| if (mIntentSenderRecords.size() > 0) { |
| boolean printed = false; |
| Iterator<WeakReference<PendingIntentRecord>> it |
| = mIntentSenderRecords.values().iterator(); |
| while (it.hasNext()) { |
| WeakReference<PendingIntentRecord> ref = it.next(); |
| PendingIntentRecord rec = ref != null ? ref.get(): null; |
| if (dumpPackage != null && (rec == null |
| || !dumpPackage.equals(rec.key.packageName))) { |
| continue; |
| } |
| if (!printed) { |
| pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)"); |
| printed = true; |
| } |
| needSep = true; |
| if (rec != null) { |
| pw.print(" * "); pw.println(rec); |
| if (dumpAll) { |
| rec.dump(pw, " "); |
| } |
| } else { |
| pw.print(" * "); pw.println(ref); |
| } |
| } |
| } |
| |
| return needSep; |
| } |
| |
| private static String buildOomTag(String prefix, String space, int val, int base) { |
| if (val == base) { |
| if (space == null) return prefix; |
| return prefix + " "; |
| } |
| return prefix + "+" + Integer.toString(val-base); |
| } |
| |
| private static final int dumpProcessList(PrintWriter pw, |
| ActivityManagerService service, List list, |
| String prefix, String normalLabel, String persistentLabel, |
| String dumpPackage) { |
| int numPers = 0; |
| final int N = list.size()-1; |
| for (int i=N; i>=0; i--) { |
| ProcessRecord r = (ProcessRecord)list.get(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { |
| continue; |
| } |
| pw.println(String.format("%s%s #%2d: %s", |
| prefix, (r.persistent ? persistentLabel : normalLabel), |
| i, r.toString())); |
| if (r.persistent) { |
| numPers++; |
| } |
| } |
| return numPers; |
| } |
| |
| private static final boolean dumpProcessOomList(PrintWriter pw, |
| ActivityManagerService service, List<ProcessRecord> origList, |
| String prefix, String normalLabel, String persistentLabel, |
| boolean inclDetails, String dumpPackage) { |
| |
| ArrayList<Pair<ProcessRecord, Integer>> list |
| = new ArrayList<Pair<ProcessRecord, Integer>>(origList.size()); |
| for (int i=0; i<origList.size(); i++) { |
| ProcessRecord r = origList.get(i); |
| if (dumpPackage != null && !dumpPackage.equals(r.info.packageName)) { |
| continue; |
| } |
| list.add(new Pair<ProcessRecord, Integer>(origList.get(i), i)); |
| } |
| |
| if (list.size() <= 0) { |
| return false; |
| } |
| |
| Comparator<Pair<ProcessRecord, Integer>> comparator |
| = new Comparator<Pair<ProcessRecord, Integer>>() { |
| @Override |
| public int compare(Pair<ProcessRecord, Integer> object1, |
| Pair<ProcessRecord, Integer> object2) { |
| if (object1.first.setAdj != object2.first.setAdj) { |
| return object1.first.setAdj > object2.first.setAdj ? -1 : 1; |
| } |
| if (object1.second.intValue() != object2.second.intValue()) { |
| return object1.second.intValue() > object2.second.intValue() ? -1 : 1; |
| } |
| return 0; |
| } |
| }; |
| |
| Collections.sort(list, comparator); |
| |
| final long curRealtime = SystemClock.elapsedRealtime(); |
| final long realtimeSince = curRealtime - service.mLastPowerCheckRealtime; |
| final long curUptime = SystemClock.uptimeMillis(); |
| final long uptimeSince = curUptime - service.mLastPowerCheckUptime; |
| |
| for (int i=list.size()-1; i>=0; i--) { |
| ProcessRecord r = list.get(i).first; |
| String oomAdj; |
| if (r.setAdj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| oomAdj = buildOomTag("bak", " ", r.setAdj, ProcessList.HIDDEN_APP_MIN_ADJ); |
| } else if (r.setAdj >= ProcessList.SERVICE_B_ADJ) { |
| oomAdj = buildOomTag("svcb ", null, r.setAdj, ProcessList.SERVICE_B_ADJ); |
| } else if (r.setAdj >= ProcessList.PREVIOUS_APP_ADJ) { |
| oomAdj = buildOomTag("prev ", null, r.setAdj, ProcessList.PREVIOUS_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.HOME_APP_ADJ) { |
| oomAdj = buildOomTag("home ", null, r.setAdj, ProcessList.HOME_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.SERVICE_ADJ) { |
| oomAdj = buildOomTag("svc ", null, r.setAdj, ProcessList.SERVICE_ADJ); |
| } else if (r.setAdj >= ProcessList.BACKUP_APP_ADJ) { |
| oomAdj = buildOomTag("bkup ", null, r.setAdj, ProcessList.BACKUP_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
| oomAdj = buildOomTag("hvy ", null, r.setAdj, ProcessList.HEAVY_WEIGHT_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.PERCEPTIBLE_APP_ADJ) { |
| oomAdj = buildOomTag("prcp ", null, r.setAdj, ProcessList.PERCEPTIBLE_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.VISIBLE_APP_ADJ) { |
| oomAdj = buildOomTag("vis ", null, r.setAdj, ProcessList.VISIBLE_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.FOREGROUND_APP_ADJ) { |
| oomAdj = buildOomTag("fore ", null, r.setAdj, ProcessList.FOREGROUND_APP_ADJ); |
| } else if (r.setAdj >= ProcessList.PERSISTENT_PROC_ADJ) { |
| oomAdj = buildOomTag("pers ", null, r.setAdj, ProcessList.PERSISTENT_PROC_ADJ); |
| } else if (r.setAdj >= ProcessList.SYSTEM_ADJ) { |
| oomAdj = buildOomTag("sys ", null, r.setAdj, ProcessList.SYSTEM_ADJ); |
| } else { |
| oomAdj = Integer.toString(r.setAdj); |
| } |
| String schedGroup; |
| switch (r.setSchedGroup) { |
| case Process.THREAD_GROUP_BG_NONINTERACTIVE: |
| schedGroup = "B"; |
| break; |
| case Process.THREAD_GROUP_DEFAULT: |
| schedGroup = "F"; |
| break; |
| default: |
| schedGroup = Integer.toString(r.setSchedGroup); |
| break; |
| } |
| String foreground; |
| if (r.foregroundActivities) { |
| foreground = "A"; |
| } else if (r.foregroundServices) { |
| foreground = "S"; |
| } else { |
| foreground = " "; |
| } |
| pw.println(String.format("%s%s #%2d: adj=%s/%s%s trm=%2d %s (%s)", |
| prefix, (r.persistent ? persistentLabel : normalLabel), |
| (origList.size()-1)-list.get(i).second, oomAdj, schedGroup, |
| foreground, r.trimMemoryLevel, r.toShortString(), r.adjType)); |
| if (r.adjSource != null || r.adjTarget != null) { |
| pw.print(prefix); |
| pw.print(" "); |
| if (r.adjTarget instanceof ComponentName) { |
| pw.print(((ComponentName)r.adjTarget).flattenToShortString()); |
| } else if (r.adjTarget != null) { |
| pw.print(r.adjTarget.toString()); |
| } else { |
| pw.print("{null}"); |
| } |
| pw.print("<="); |
| if (r.adjSource instanceof ProcessRecord) { |
| pw.print("Proc{"); |
| pw.print(((ProcessRecord)r.adjSource).toShortString()); |
| pw.println("}"); |
| } else if (r.adjSource != null) { |
| pw.println(r.adjSource.toString()); |
| } else { |
| pw.println("{null}"); |
| } |
| } |
| if (inclDetails) { |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print("oom: max="); pw.print(r.maxAdj); |
| pw.print(" hidden="); pw.print(r.hiddenAdj); |
| pw.print(" client="); pw.print(r.clientHiddenAdj); |
| pw.print(" empty="); pw.print(r.emptyAdj); |
| pw.print(" curRaw="); pw.print(r.curRawAdj); |
| pw.print(" setRaw="); pw.print(r.setRawAdj); |
| pw.print(" cur="); pw.print(r.curAdj); |
| pw.print(" set="); pw.println(r.setAdj); |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print("keeping="); pw.print(r.keeping); |
| pw.print(" hidden="); pw.print(r.hidden); |
| pw.print(" empty="); pw.print(r.empty); |
| pw.print(" hasAboveClient="); pw.println(r.hasAboveClient); |
| |
| if (!r.keeping) { |
| if (r.lastWakeTime != 0) { |
| long wtime; |
| BatteryStatsImpl stats = service.mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| wtime = stats.getProcessWakeTime(r.info.uid, |
| r.pid, curRealtime); |
| } |
| long timeUsed = wtime - r.lastWakeTime; |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print("keep awake over "); |
| TimeUtils.formatDuration(realtimeSince, pw); |
| pw.print(" used "); |
| TimeUtils.formatDuration(timeUsed, pw); |
| pw.print(" ("); |
| pw.print((timeUsed*100)/realtimeSince); |
| pw.println("%)"); |
| } |
| if (r.lastCpuTime != 0) { |
| long timeUsed = r.curCpuTime - r.lastCpuTime; |
| pw.print(prefix); |
| pw.print(" "); |
| pw.print("run cpu over "); |
| TimeUtils.formatDuration(uptimeSince, pw); |
| pw.print(" used "); |
| TimeUtils.formatDuration(timeUsed, pw); |
| pw.print(" ("); |
| pw.print((timeUsed*100)/uptimeSince); |
| pw.println("%)"); |
| } |
| } |
| } |
| } |
| return true; |
| } |
| |
| ArrayList<ProcessRecord> collectProcesses(PrintWriter pw, int start, String[] args) { |
| ArrayList<ProcessRecord> procs; |
| synchronized (this) { |
| if (args != null && args.length > start |
| && args[start].charAt(0) != '-') { |
| procs = new ArrayList<ProcessRecord>(); |
| int pid = -1; |
| try { |
| pid = Integer.parseInt(args[start]); |
| } catch (NumberFormatException e) { |
| |
| } |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord proc = mLruProcesses.get(i); |
| if (proc.pid == pid) { |
| procs.add(proc); |
| } else if (proc.processName.equals(args[start])) { |
| procs.add(proc); |
| } |
| } |
| if (procs.size() <= 0) { |
| pw.println("No process found for: " + args[start]); |
| return null; |
| } |
| } else { |
| procs = new ArrayList<ProcessRecord>(mLruProcesses); |
| } |
| } |
| return procs; |
| } |
| |
| final void dumpGraphicsHardwareUsage(FileDescriptor fd, |
| PrintWriter pw, String[] args) { |
| ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); |
| if (procs == null) { |
| return; |
| } |
| |
| long uptime = SystemClock.uptimeMillis(); |
| long realtime = SystemClock.elapsedRealtime(); |
| pw.println("Applications Graphics Acceleration Info:"); |
| pw.println("Uptime: " + uptime + " Realtime: " + realtime); |
| |
| for (int i = procs.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = procs.get(i); |
| if (r.thread != null) { |
| pw.println("\n** Graphics info for pid " + r.pid + " [" + r.processName + "] **"); |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.thread.dumpGfxInfo(tp.getWriteFd().getFileDescriptor(), args); |
| tp.go(fd); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println("Failure while dumping the app: " + r); |
| pw.flush(); |
| } catch (RemoteException e) { |
| pw.println("Got a RemoteException while dumping the app " + r); |
| pw.flush(); |
| } |
| } |
| } |
| } |
| |
| final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args) { |
| ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args); |
| if (procs == null) { |
| return; |
| } |
| |
| pw.println("Applications Database Info:"); |
| |
| for (int i = procs.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = procs.get(i); |
| if (r.thread != null) { |
| pw.println("\n** Database info for pid " + r.pid + " [" + r.processName + "] **"); |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.thread.dumpDbInfo(tp.getWriteFd().getFileDescriptor(), args); |
| tp.go(fd); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println("Failure while dumping the app: " + r); |
| pw.flush(); |
| } catch (RemoteException e) { |
| pw.println("Got a RemoteException while dumping the app " + r); |
| pw.flush(); |
| } |
| } |
| } |
| } |
| |
| final static class MemItem { |
| final String label; |
| final String shortLabel; |
| final long pss; |
| final int id; |
| ArrayList<MemItem> subitems; |
| |
| public MemItem(String _label, String _shortLabel, long _pss, int _id) { |
| label = _label; |
| shortLabel = _shortLabel; |
| pss = _pss; |
| id = _id; |
| } |
| } |
| |
| static final void dumpMemItems(PrintWriter pw, String prefix, ArrayList<MemItem> items, |
| boolean sort) { |
| if (sort) { |
| Collections.sort(items, new Comparator<MemItem>() { |
| @Override |
| public int compare(MemItem lhs, MemItem rhs) { |
| if (lhs.pss < rhs.pss) { |
| return 1; |
| } else if (lhs.pss > rhs.pss) { |
| return -1; |
| } |
| return 0; |
| } |
| }); |
| } |
| |
| for (int i=0; i<items.size(); i++) { |
| MemItem mi = items.get(i); |
| pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label); |
| if (mi.subitems != null) { |
| dumpMemItems(pw, prefix + " ", mi.subitems, true); |
| } |
| } |
| } |
| |
| // These are in KB. |
| static final long[] DUMP_MEM_BUCKETS = new long[] { |
| 5*1024, 7*1024, 10*1024, 15*1024, 20*1024, 30*1024, 40*1024, 80*1024, |
| 120*1024, 160*1024, 200*1024, |
| 250*1024, 300*1024, 350*1024, 400*1024, 500*1024, 600*1024, 800*1024, |
| 1*1024*1024, 2*1024*1024, 5*1024*1024, 10*1024*1024, 20*1024*1024 |
| }; |
| |
| static final void appendMemBucket(StringBuilder out, long memKB, String label, |
| boolean stackLike) { |
| int start = label.lastIndexOf('.'); |
| if (start >= 0) start++; |
| else start = 0; |
| int end = label.length(); |
| for (int i=0; i<DUMP_MEM_BUCKETS.length; i++) { |
| if (DUMP_MEM_BUCKETS[i] >= memKB) { |
| long bucket = DUMP_MEM_BUCKETS[i]/1024; |
| out.append(bucket); |
| out.append(stackLike ? "MB." : "MB "); |
| out.append(label, start, end); |
| return; |
| } |
| } |
| out.append(memKB/1024); |
| out.append(stackLike ? "MB." : "MB "); |
| out.append(label, start, end); |
| } |
| |
| static final int[] DUMP_MEM_OOM_ADJ = new int[] { |
| ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ, |
| ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ, |
| ProcessList.BACKUP_APP_ADJ, ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ, |
| ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.HIDDEN_APP_MAX_ADJ |
| }; |
| static final String[] DUMP_MEM_OOM_LABEL = new String[] { |
| "System", "Persistent", "Foreground", |
| "Visible", "Perceptible", "Heavy Weight", |
| "Backup", "A Services", "Home", "Previous", |
| "B Services", "Background" |
| }; |
| |
| final void dumpApplicationMemoryUsage(FileDescriptor fd, |
| PrintWriter pw, String prefix, String[] args, boolean brief, |
| PrintWriter categoryPw, StringBuilder outTag, StringBuilder outStack) { |
| boolean dumpAll = false; |
| boolean oomOnly = false; |
| |
| int opti = 0; |
| while (opti < args.length) { |
| String opt = args[opti]; |
| if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { |
| break; |
| } |
| opti++; |
| if ("-a".equals(opt)) { |
| dumpAll = true; |
| } else if ("--oom".equals(opt)) { |
| oomOnly = true; |
| } else if ("-h".equals(opt)) { |
| pw.println("meminfo dump options: [-a] [--oom] [process]"); |
| pw.println(" -a: include all available information for each process."); |
| pw.println(" --oom: only show processes organized by oom adj."); |
| pw.println("If [process] is specified it can be the name or "); |
| pw.println("pid of a specific process to dump."); |
| return; |
| } else { |
| pw.println("Unknown argument: " + opt + "; use -h for help"); |
| } |
| } |
| |
| ArrayList<ProcessRecord> procs = collectProcesses(pw, opti, args); |
| if (procs == null) { |
| return; |
| } |
| |
| final boolean isCheckinRequest = scanArgs(args, "--checkin"); |
| long uptime = SystemClock.uptimeMillis(); |
| long realtime = SystemClock.elapsedRealtime(); |
| |
| if (procs.size() == 1 || isCheckinRequest) { |
| dumpAll = true; |
| } |
| |
| if (isCheckinRequest) { |
| // short checkin version |
| pw.println(uptime + "," + realtime); |
| pw.flush(); |
| } else { |
| pw.println("Applications Memory Usage (kB):"); |
| pw.println("Uptime: " + uptime + " Realtime: " + realtime); |
| } |
| |
| String[] innerArgs = new String[args.length-opti]; |
| System.arraycopy(args, opti, innerArgs, 0, args.length-opti); |
| |
| ArrayList<MemItem> procMems = new ArrayList<MemItem>(); |
| long nativePss=0, dalvikPss=0, otherPss=0; |
| long[] miscPss = new long[Debug.MemoryInfo.NUM_OTHER_STATS]; |
| |
| long oomPss[] = new long[DUMP_MEM_OOM_LABEL.length]; |
| ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[]) |
| new ArrayList[DUMP_MEM_OOM_LABEL.length]; |
| |
| long totalPss = 0; |
| |
| for (int i = procs.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = procs.get(i); |
| if (r.thread != null) { |
| if (!isCheckinRequest && dumpAll) { |
| pw.println("\n** MEMINFO in pid " + r.pid + " [" + r.processName + "] **"); |
| pw.flush(); |
| } |
| Debug.MemoryInfo mi = null; |
| if (dumpAll) { |
| try { |
| mi = r.thread.dumpMemInfo(fd, isCheckinRequest, dumpAll, innerArgs); |
| } catch (RemoteException e) { |
| if (!isCheckinRequest) { |
| pw.println("Got RemoteException!"); |
| pw.flush(); |
| } |
| } |
| } else { |
| mi = new Debug.MemoryInfo(); |
| Debug.getMemoryInfo(r.pid, mi); |
| } |
| |
| if (!isCheckinRequest && mi != null) { |
| long myTotalPss = mi.getTotalPss(); |
| totalPss += myTotalPss; |
| MemItem pssItem = new MemItem(r.processName + " (pid " + r.pid + ")", |
| r.processName, myTotalPss, 0); |
| procMems.add(pssItem); |
| |
| nativePss += mi.nativePss; |
| dalvikPss += mi.dalvikPss; |
| otherPss += mi.otherPss; |
| for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { |
| long mem = mi.getOtherPss(j); |
| miscPss[j] += mem; |
| otherPss -= mem; |
| } |
| |
| for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) { |
| if (r.setAdj <= DUMP_MEM_OOM_ADJ[oomIndex] |
| || oomIndex == (oomPss.length-1)) { |
| oomPss[oomIndex] += myTotalPss; |
| if (oomProcs[oomIndex] == null) { |
| oomProcs[oomIndex] = new ArrayList<MemItem>(); |
| } |
| oomProcs[oomIndex].add(pssItem); |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| if (!isCheckinRequest && procs.size() > 1) { |
| ArrayList<MemItem> catMems = new ArrayList<MemItem>(); |
| |
| catMems.add(new MemItem("Native", "Native", nativePss, -1)); |
| catMems.add(new MemItem("Dalvik", "Dalvik", dalvikPss, -2)); |
| catMems.add(new MemItem("Unknown", "Unknown", otherPss, -3)); |
| for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) { |
| String label = Debug.MemoryInfo.getOtherLabel(j); |
| catMems.add(new MemItem(label, label, miscPss[j], j)); |
| } |
| |
| ArrayList<MemItem> oomMems = new ArrayList<MemItem>(); |
| for (int j=0; j<oomPss.length; j++) { |
| if (oomPss[j] != 0) { |
| String label = DUMP_MEM_OOM_LABEL[j]; |
| MemItem item = new MemItem(label, label, oomPss[j], |
| DUMP_MEM_OOM_ADJ[j]); |
| item.subitems = oomProcs[j]; |
| oomMems.add(item); |
| } |
| } |
| |
| if (outTag != null || outStack != null) { |
| if (outTag != null) { |
| appendMemBucket(outTag, totalPss, "total", false); |
| } |
| if (outStack != null) { |
| appendMemBucket(outStack, totalPss, "total", true); |
| } |
| boolean firstLine = true; |
| for (int i=0; i<oomMems.size(); i++) { |
| MemItem miCat = oomMems.get(i); |
| if (miCat.subitems == null || miCat.subitems.size() < 1) { |
| continue; |
| } |
| if (miCat.id < ProcessList.SERVICE_ADJ |
| || miCat.id == ProcessList.HOME_APP_ADJ |
| || miCat.id == ProcessList.PREVIOUS_APP_ADJ) { |
| if (outTag != null && miCat.id <= ProcessList.FOREGROUND_APP_ADJ) { |
| outTag.append(" / "); |
| } |
| if (outStack != null) { |
| if (miCat.id >= ProcessList.FOREGROUND_APP_ADJ) { |
| if (firstLine) { |
| outStack.append(":"); |
| firstLine = false; |
| } |
| outStack.append("\n\t at "); |
| } else { |
| outStack.append("$"); |
| } |
| } |
| for (int j=0; j<miCat.subitems.size(); j++) { |
| MemItem mi = miCat.subitems.get(j); |
| if (j > 0) { |
| if (outTag != null) { |
| outTag.append(" "); |
| } |
| if (outStack != null) { |
| outStack.append("$"); |
| } |
| } |
| if (outTag != null && miCat.id <= ProcessList.FOREGROUND_APP_ADJ) { |
| appendMemBucket(outTag, mi.pss, mi.shortLabel, false); |
| } |
| if (outStack != null) { |
| appendMemBucket(outStack, mi.pss, mi.shortLabel, true); |
| } |
| } |
| if (outStack != null && miCat.id >= ProcessList.FOREGROUND_APP_ADJ) { |
| outStack.append("("); |
| for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) { |
| if (DUMP_MEM_OOM_ADJ[k] == miCat.id) { |
| outStack.append(DUMP_MEM_OOM_LABEL[k]); |
| outStack.append(":"); |
| outStack.append(DUMP_MEM_OOM_ADJ[k]); |
| } |
| } |
| outStack.append(")"); |
| } |
| } |
| } |
| } |
| |
| if (!brief && !oomOnly) { |
| pw.println(); |
| pw.println("Total PSS by process:"); |
| dumpMemItems(pw, " ", procMems, true); |
| pw.println(); |
| } |
| pw.println("Total PSS by OOM adjustment:"); |
| dumpMemItems(pw, " ", oomMems, false); |
| if (!oomOnly) { |
| PrintWriter out = categoryPw != null ? categoryPw : pw; |
| out.println(); |
| out.println("Total PSS by category:"); |
| dumpMemItems(out, " ", catMems, true); |
| } |
| pw.println(); |
| pw.print("Total PSS: "); pw.print(totalPss); pw.println(" kB"); |
| final int[] SINGLE_LONG_FORMAT = new int[] { |
| Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG |
| }; |
| long[] longOut = new long[1]; |
| Process.readProcFile("/sys/kernel/mm/ksm/pages_shared", |
| SINGLE_LONG_FORMAT, null, longOut, null); |
| long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024; |
| longOut[0] = 0; |
| Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing", |
| SINGLE_LONG_FORMAT, null, longOut, null); |
| long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024; |
| longOut[0] = 0; |
| Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared", |
| SINGLE_LONG_FORMAT, null, longOut, null); |
| long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024; |
| longOut[0] = 0; |
| Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile", |
| SINGLE_LONG_FORMAT, null, longOut, null); |
| long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024; |
| pw.print(" KSM: "); pw.print(sharing); pw.print(" kB saved from shared "); |
| pw.print(shared); pw.println(" kB"); |
| pw.print(" "); pw.print(unshared); pw.print(" kB unshared; "); |
| pw.print(voltile); pw.println(" kB volatile"); |
| } |
| } |
| |
| /** |
| * Searches array of arguments for the specified string |
| * @param args array of argument strings |
| * @param value value to search for |
| * @return true if the value is contained in the array |
| */ |
| private static boolean scanArgs(String[] args, String value) { |
| if (args != null) { |
| for (String arg : args) { |
| if (value.equals(arg)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private final boolean removeDyingProviderLocked(ProcessRecord proc, |
| ContentProviderRecord cpr, boolean always) { |
| final boolean inLaunching = mLaunchingProviders.contains(cpr); |
| |
| if (!inLaunching || always) { |
| synchronized (cpr) { |
| cpr.launchingApp = null; |
| cpr.notifyAll(); |
| } |
| mProviderMap.removeProviderByClass(cpr.name, UserHandle.getUserId(cpr.uid)); |
| String names[] = cpr.info.authority.split(";"); |
| for (int j = 0; j < names.length; j++) { |
| mProviderMap.removeProviderByName(names[j], UserHandle.getUserId(cpr.uid)); |
| } |
| } |
| |
| for (int i=0; i<cpr.connections.size(); i++) { |
| ContentProviderConnection conn = cpr.connections.get(i); |
| if (conn.waiting) { |
| // If this connection is waiting for the provider, then we don't |
| // need to mess with its process unless we are always removing |
| // or for some reason the provider is not currently launching. |
| if (inLaunching && !always) { |
| continue; |
| } |
| } |
| ProcessRecord capp = conn.client; |
| conn.dead = true; |
| if (conn.stableCount > 0) { |
| if (!capp.persistent && capp.thread != null |
| && capp.pid != 0 |
| && capp.pid != MY_PID) { |
| Slog.i(TAG, "Kill " + capp.processName |
| + " (pid " + capp.pid + "): provider " + cpr.info.name |
| + " in dying process " + (proc != null ? proc.processName : "??")); |
| EventLog.writeEvent(EventLogTags.AM_KILL, capp.userId, capp.pid, |
| capp.processName, capp.setAdj, "dying provider " |
| + cpr.name.toShortString()); |
| Process.killProcessQuiet(capp.pid); |
| } |
| } else if (capp.thread != null && conn.provider.provider != null) { |
| try { |
| capp.thread.unstableProviderDied(conn.provider.provider.asBinder()); |
| } catch (RemoteException e) { |
| } |
| // In the protocol here, we don't expect the client to correctly |
| // clean up this connection, we'll just remove it. |
| cpr.connections.remove(i); |
| conn.client.conProviders.remove(conn); |
| } |
| } |
| |
| if (inLaunching && always) { |
| mLaunchingProviders.remove(cpr); |
| } |
| return inLaunching; |
| } |
| |
| /** |
| * Main code for cleaning up a process when it has gone away. This is |
| * called both as a result of the process dying, or directly when stopping |
| * a process when running in single process mode. |
| */ |
| private final void cleanUpApplicationRecordLocked(ProcessRecord app, |
| boolean restarting, boolean allowRestart, int index) { |
| if (index >= 0) { |
| mLruProcesses.remove(index); |
| } |
| |
| mProcessesToGc.remove(app); |
| |
| // Dismiss any open dialogs. |
| if (app.crashDialog != null && !app.forceCrashReport) { |
| app.crashDialog.dismiss(); |
| app.crashDialog = null; |
| } |
| if (app.anrDialog != null) { |
| app.anrDialog.dismiss(); |
| app.anrDialog = null; |
| } |
| if (app.waitDialog != null) { |
| app.waitDialog.dismiss(); |
| app.waitDialog = null; |
| } |
| |
| app.crashing = false; |
| app.notResponding = false; |
| |
| app.resetPackageList(); |
| app.unlinkDeathRecipient(); |
| app.thread = null; |
| app.forcingToForeground = null; |
| app.foregroundServices = false; |
| app.foregroundActivities = false; |
| app.hasShownUi = false; |
| app.hasAboveClient = false; |
| |
| mServices.killServicesLocked(app, allowRestart); |
| |
| boolean restart = false; |
| |
| // Remove published content providers. |
| if (!app.pubProviders.isEmpty()) { |
| Iterator<ContentProviderRecord> it = app.pubProviders.values().iterator(); |
| while (it.hasNext()) { |
| ContentProviderRecord cpr = it.next(); |
| |
| final boolean always = app.bad || !allowRestart; |
| if (removeDyingProviderLocked(app, cpr, always) || always) { |
| // We left the provider in the launching list, need to |
| // restart it. |
| restart = true; |
| } |
| |
| cpr.provider = null; |
| cpr.proc = null; |
| } |
| app.pubProviders.clear(); |
| } |
| |
| // Take care of any launching providers waiting for this process. |
| if (checkAppInLaunchingProvidersLocked(app, false)) { |
| restart = true; |
| } |
| |
| // Unregister from connected content providers. |
| if (!app.conProviders.isEmpty()) { |
| for (int i=0; i<app.conProviders.size(); i++) { |
| ContentProviderConnection conn = app.conProviders.get(i); |
| conn.provider.connections.remove(conn); |
| } |
| app.conProviders.clear(); |
| } |
| |
| // At this point there may be remaining entries in mLaunchingProviders |
| // where we were the only one waiting, so they are no longer of use. |
| // Look for these and clean up if found. |
| // XXX Commented out for now. Trying to figure out a way to reproduce |
| // the actual situation to identify what is actually going on. |
| if (false) { |
| for (int i=0; i<mLaunchingProviders.size(); i++) { |
| ContentProviderRecord cpr = (ContentProviderRecord) |
| mLaunchingProviders.get(i); |
| if (cpr.connections.size() <= 0 && !cpr.hasExternalProcessHandles()) { |
| synchronized (cpr) { |
| cpr.launchingApp = null; |
| cpr.notifyAll(); |
| } |
| } |
| } |
| } |
| |
| skipCurrentReceiverLocked(app); |
| |
| // Unregister any receivers. |
| if (app.receivers.size() > 0) { |
| Iterator<ReceiverList> it = app.receivers.iterator(); |
| while (it.hasNext()) { |
| removeReceiverLocked(it.next()); |
| } |
| app.receivers.clear(); |
| } |
| |
| // If the app is undergoing backup, tell the backup manager about it |
| if (mBackupTarget != null && app.pid == mBackupTarget.app.pid) { |
| if (DEBUG_BACKUP || DEBUG_CLEANUP) Slog.d(TAG, "App " |
| + mBackupTarget.appInfo + " died during backup"); |
| try { |
| IBackupManager bm = IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| bm.agentDisconnected(app.info.packageName); |
| } catch (RemoteException e) { |
| // can't happen; backup manager is local |
| } |
| } |
| |
| for (int i = mPendingProcessChanges.size()-1; i>=0; i--) { |
| ProcessChangeItem item = mPendingProcessChanges.get(i); |
| if (item.pid == app.pid) { |
| mPendingProcessChanges.remove(i); |
| mAvailProcessChanges.add(item); |
| } |
| } |
| mHandler.obtainMessage(DISPATCH_PROCESS_DIED, app.pid, app.info.uid, null).sendToTarget(); |
| |
| // If the caller is restarting this app, then leave it in its |
| // current lists and let the caller take care of it. |
| if (restarting) { |
| return; |
| } |
| |
| if (!app.persistent || app.isolated) { |
| if (DEBUG_PROCESSES || DEBUG_CLEANUP) Slog.v(TAG, |
| "Removing non-persistent process during cleanup: " + app); |
| mProcessNames.remove(app.processName, app.uid); |
| mIsolatedProcesses.remove(app.uid); |
| if (mHeavyWeightProcess == app) { |
| mHandler.sendMessage(mHandler.obtainMessage(CANCEL_HEAVY_NOTIFICATION_MSG, |
| mHeavyWeightProcess.userId, 0)); |
| mHeavyWeightProcess = null; |
| } |
| } else if (!app.removed) { |
| // This app is persistent, so we need to keep its record around. |
| // If it is not already on the pending app list, add it there |
| // and start a new process for it. |
| if (mPersistentStartingProcesses.indexOf(app) < 0) { |
| mPersistentStartingProcesses.add(app); |
| restart = true; |
| } |
| } |
| if ((DEBUG_PROCESSES || DEBUG_CLEANUP) && mProcessesOnHold.contains(app)) Slog.v(TAG, |
| "Clean-up removing on hold: " + app); |
| mProcessesOnHold.remove(app); |
| |
| if (app == mHomeProcess) { |
| mHomeProcess = null; |
| } |
| if (app == mPreviousProcess) { |
| mPreviousProcess = null; |
| } |
| |
| if (restart && !app.isolated) { |
| // We have components that still need to be running in the |
| // process, so re-launch it. |
| mProcessNames.put(app.processName, app.uid, app); |
| startProcessLocked(app, "restart", app.processName); |
| } else if (app.pid > 0 && app.pid != MY_PID) { |
| // Goodbye! |
| synchronized (mPidsSelfLocked) { |
| mPidsSelfLocked.remove(app.pid); |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| } |
| app.setPid(0); |
| } |
| } |
| |
| boolean checkAppInLaunchingProvidersLocked(ProcessRecord app, boolean alwaysBad) { |
| // Look through the content providers we are waiting to have launched, |
| // and if any run in this process then either schedule a restart of |
| // the process or kill the client waiting for it if this process has |
| // gone bad. |
| int NL = mLaunchingProviders.size(); |
| boolean restart = false; |
| for (int i=0; i<NL; i++) { |
| ContentProviderRecord cpr = mLaunchingProviders.get(i); |
| if (cpr.launchingApp == app) { |
| if (!alwaysBad && !app.bad) { |
| restart = true; |
| } else { |
| removeDyingProviderLocked(app, cpr, true); |
| // cpr should have been removed from mLaunchingProviders |
| NL = mLaunchingProviders.size(); |
| i--; |
| } |
| } |
| } |
| return restart; |
| } |
| |
| // ========================================================= |
| // SERVICES |
| // ========================================================= |
| |
| public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, |
| int flags) { |
| enforceNotIsolatedCaller("getServices"); |
| synchronized (this) { |
| return mServices.getRunningServiceInfoLocked(maxNum, flags); |
| } |
| } |
| |
| public PendingIntent getRunningServiceControlPanel(ComponentName name) { |
| enforceNotIsolatedCaller("getRunningServiceControlPanel"); |
| synchronized (this) { |
| return mServices.getRunningServiceControlPanelLocked(name); |
| } |
| } |
| |
| public ComponentName startService(IApplicationThread caller, Intent service, |
| String resolvedType, int userId) { |
| enforceNotIsolatedCaller("startService"); |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| if (DEBUG_SERVICE) |
| Slog.v(TAG, "startService: " + service + " type=" + resolvedType); |
| synchronized(this) { |
| final int callingPid = Binder.getCallingPid(); |
| final int callingUid = Binder.getCallingUid(); |
| checkValidCaller(callingUid, userId); |
| final long origId = Binder.clearCallingIdentity(); |
| ComponentName res = mServices.startServiceLocked(caller, service, |
| resolvedType, callingPid, callingUid, userId); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| ComponentName startServiceInPackage(int uid, |
| Intent service, String resolvedType, int userId) { |
| synchronized(this) { |
| if (DEBUG_SERVICE) |
| Slog.v(TAG, "startServiceInPackage: " + service + " type=" + resolvedType); |
| final long origId = Binder.clearCallingIdentity(); |
| ComponentName res = mServices.startServiceLocked(null, service, |
| resolvedType, -1, uid, userId); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| public int stopService(IApplicationThread caller, Intent service, |
| String resolvedType, int userId) { |
| enforceNotIsolatedCaller("stopService"); |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| checkValidCaller(Binder.getCallingUid(), userId); |
| |
| synchronized(this) { |
| return mServices.stopServiceLocked(caller, service, resolvedType, userId); |
| } |
| } |
| |
| public IBinder peekService(Intent service, String resolvedType) { |
| enforceNotIsolatedCaller("peekService"); |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| synchronized(this) { |
| return mServices.peekServiceLocked(service, resolvedType); |
| } |
| } |
| |
| public boolean stopServiceToken(ComponentName className, IBinder token, |
| int startId) { |
| synchronized(this) { |
| return mServices.stopServiceTokenLocked(className, token, startId); |
| } |
| } |
| |
| public void setServiceForeground(ComponentName className, IBinder token, |
| int id, Notification notification, boolean removeNotification) { |
| synchronized(this) { |
| mServices.setServiceForegroundLocked(className, token, id, notification, |
| removeNotification); |
| } |
| } |
| |
| public int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll, |
| boolean requireFull, String name, String callerPackage) { |
| final int callingUserId = UserHandle.getUserId(callingUid); |
| if (callingUserId != userId) { |
| if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { |
| if ((requireFull || checkComponentPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS, |
| callingPid, callingUid, -1, true) != PackageManager.PERMISSION_GRANTED) |
| && checkComponentPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| callingPid, callingUid, -1, true) |
| != PackageManager.PERMISSION_GRANTED) { |
| if (userId == UserHandle.USER_CURRENT_OR_SELF) { |
| // In this case, they would like to just execute as their |
| // owner user instead of failing. |
| userId = callingUserId; |
| } else { |
| StringBuilder builder = new StringBuilder(128); |
| builder.append("Permission Denial: "); |
| builder.append(name); |
| if (callerPackage != null) { |
| builder.append(" from "); |
| builder.append(callerPackage); |
| } |
| builder.append(" asks to run as user "); |
| builder.append(userId); |
| builder.append(" but is calling from user "); |
| builder.append(UserHandle.getUserId(callingUid)); |
| builder.append("; this requires "); |
| builder.append(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); |
| if (!requireFull) { |
| builder.append(" or "); |
| builder.append(android.Manifest.permission.INTERACT_ACROSS_USERS); |
| } |
| String msg = builder.toString(); |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| } |
| } |
| if (userId == UserHandle.USER_CURRENT |
| || userId == UserHandle.USER_CURRENT_OR_SELF) { |
| // Note that we may be accessing this outside of a lock... |
| // shouldn't be a big deal, if this is being called outside |
| // of a locked context there is intrinsically a race with |
| // the value the caller will receive and someone else changing it. |
| userId = mCurrentUserId; |
| } |
| if (!allowAll && userId < 0) { |
| throw new IllegalArgumentException( |
| "Call does not support special user #" + userId); |
| } |
| } |
| return userId; |
| } |
| |
| boolean isSingleton(String componentProcessName, ApplicationInfo aInfo, |
| String className, int flags) { |
| boolean result = false; |
| if (UserHandle.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) { |
| if ((flags&ServiceInfo.FLAG_SINGLE_USER) != 0) { |
| if (ActivityManager.checkUidPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS, |
| aInfo.uid) != PackageManager.PERMISSION_GRANTED) { |
| ComponentName comp = new ComponentName(aInfo.packageName, className); |
| String msg = "Permission Denial: Component " + comp.flattenToShortString() |
| + " requests FLAG_SINGLE_USER, but app does not hold " |
| + android.Manifest.permission.INTERACT_ACROSS_USERS; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| result = true; |
| } |
| } else if (componentProcessName == aInfo.packageName) { |
| result = (aInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0; |
| } else if ("system".equals(componentProcessName)) { |
| result = true; |
| } |
| if (DEBUG_MU) { |
| Slog.v(TAG, "isSingleton(" + componentProcessName + ", " + aInfo |
| + ", " + className + ", 0x" + Integer.toHexString(flags) + ") = " + result); |
| } |
| return result; |
| } |
| |
| public int bindService(IApplicationThread caller, IBinder token, |
| Intent service, String resolvedType, |
| IServiceConnection connection, int flags, int userId) { |
| enforceNotIsolatedCaller("bindService"); |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| return mServices.bindServiceLocked(caller, token, service, resolvedType, |
| connection, flags, userId); |
| } |
| } |
| |
| public boolean unbindService(IServiceConnection connection) { |
| synchronized (this) { |
| return mServices.unbindServiceLocked(connection); |
| } |
| } |
| |
| public void publishService(IBinder token, Intent intent, IBinder service) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| if (!(token instanceof ServiceRecord)) { |
| throw new IllegalArgumentException("Invalid service token"); |
| } |
| mServices.publishServiceLocked((ServiceRecord)token, intent, service); |
| } |
| } |
| |
| public void unbindFinished(IBinder token, Intent intent, boolean doRebind) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| mServices.unbindFinishedLocked((ServiceRecord)token, intent, doRebind); |
| } |
| } |
| |
| public void serviceDoneExecuting(IBinder token, int type, int startId, int res) { |
| synchronized(this) { |
| if (!(token instanceof ServiceRecord)) { |
| throw new IllegalArgumentException("Invalid service token"); |
| } |
| mServices.serviceDoneExecutingLocked((ServiceRecord)token, type, startId, res); |
| } |
| } |
| |
| // ========================================================= |
| // BACKUP AND RESTORE |
| // ========================================================= |
| |
| // Cause the target app to be launched if necessary and its backup agent |
| // instantiated. The backup agent will invoke backupAgentCreated() on the |
| // activity manager to announce its creation. |
| public boolean bindBackupAgent(ApplicationInfo app, int backupMode) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "bindBackupAgent: app=" + app + " mode=" + backupMode); |
| enforceCallingPermission("android.permission.BACKUP", "bindBackupAgent"); |
| |
| synchronized(this) { |
| // !!! TODO: currently no check here that we're already bound |
| BatteryStatsImpl.Uid.Pkg.Serv ss = null; |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| ss = stats.getServiceStatsLocked(app.uid, app.packageName, app.name); |
| } |
| |
| // Backup agent is now in use, its package can't be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| app.packageName, false, UserHandle.getUserId(app.uid)); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + app.packageName + ": " + e); |
| } |
| |
| BackupRecord r = new BackupRecord(ss, app, backupMode); |
| ComponentName hostingName = (backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) |
| ? new ComponentName(app.packageName, app.backupAgentName) |
| : new ComponentName("android", "FullBackupAgent"); |
| // startProcessLocked() returns existing proc's record if it's already running |
| ProcessRecord proc = startProcessLocked(app.processName, app, |
| false, 0, "backup", hostingName, false, false); |
| if (proc == null) { |
| Slog.e(TAG, "Unable to start backup agent process " + r); |
| return false; |
| } |
| |
| r.app = proc; |
| mBackupTarget = r; |
| mBackupAppName = app.packageName; |
| |
| // Try not to kill the process during backup |
| updateOomAdjLocked(proc); |
| |
| // If the process is already attached, schedule the creation of the backup agent now. |
| // If it is not yet live, this will be done when it attaches to the framework. |
| if (proc.thread != null) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc already running: " + proc); |
| try { |
| proc.thread.scheduleCreateBackupAgent(app, |
| compatibilityInfoForPackageLocked(app), backupMode); |
| } catch (RemoteException e) { |
| // Will time out on the backup manager side |
| } |
| } else { |
| if (DEBUG_BACKUP) Slog.v(TAG, "Agent proc not running, waiting for attach"); |
| } |
| // Invariants: at this point, the target app process exists and the application |
| // is either already running or in the process of coming up. mBackupTarget and |
| // mBackupAppName describe the app, so that when it binds back to the AM we |
| // know that it's scheduled for a backup-agent operation. |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void clearPendingBackup() { |
| if (DEBUG_BACKUP) Slog.v(TAG, "clearPendingBackup"); |
| enforceCallingPermission("android.permission.BACKUP", "clearPendingBackup"); |
| |
| synchronized (this) { |
| mBackupTarget = null; |
| mBackupAppName = null; |
| } |
| } |
| |
| // A backup agent has just come up |
| public void backupAgentCreated(String agentPackageName, IBinder agent) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "backupAgentCreated: " + agentPackageName |
| + " = " + agent); |
| |
| synchronized(this) { |
| if (!agentPackageName.equals(mBackupAppName)) { |
| Slog.e(TAG, "Backup agent created for " + agentPackageName + " but not requested!"); |
| return; |
| } |
| } |
| |
| long oldIdent = Binder.clearCallingIdentity(); |
| try { |
| IBackupManager bm = IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| bm.agentConnected(agentPackageName, agent); |
| } catch (RemoteException e) { |
| // can't happen; the backup manager service is local |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception trying to deliver BackupAgent binding: "); |
| e.printStackTrace(); |
| } finally { |
| Binder.restoreCallingIdentity(oldIdent); |
| } |
| } |
| |
| // done with this agent |
| public void unbindBackupAgent(ApplicationInfo appInfo) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "unbindBackupAgent: " + appInfo); |
| if (appInfo == null) { |
| Slog.w(TAG, "unbind backup agent for null app"); |
| return; |
| } |
| |
| synchronized(this) { |
| try { |
| if (mBackupAppName == null) { |
| Slog.w(TAG, "Unbinding backup agent with no active backup"); |
| return; |
| } |
| |
| if (!mBackupAppName.equals(appInfo.packageName)) { |
| Slog.e(TAG, "Unbind of " + appInfo + " but is not the current backup target"); |
| return; |
| } |
| |
| // Not backing this app up any more; reset its OOM adjustment |
| final ProcessRecord proc = mBackupTarget.app; |
| updateOomAdjLocked(proc); |
| |
| // If the app crashed during backup, 'thread' will be null here |
| if (proc.thread != null) { |
| try { |
| proc.thread.scheduleDestroyBackupAgent(appInfo, |
| compatibilityInfoForPackageLocked(appInfo)); |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception when unbinding backup agent:"); |
| e.printStackTrace(); |
| } |
| } |
| } finally { |
| mBackupTarget = null; |
| mBackupAppName = null; |
| } |
| } |
| } |
| // ========================================================= |
| // BROADCASTS |
| // ========================================================= |
| |
| private final List getStickiesLocked(String action, IntentFilter filter, |
| List cur, int userId) { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| HashMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); |
| if (stickies == null) { |
| return cur; |
| } |
| final ArrayList<Intent> list = stickies.get(action); |
| if (list == null) { |
| return cur; |
| } |
| int N = list.size(); |
| for (int i=0; i<N; i++) { |
| Intent intent = list.get(i); |
| if (filter.match(resolver, intent, true, TAG) >= 0) { |
| if (cur == null) { |
| cur = new ArrayList<Intent>(); |
| } |
| cur.add(intent); |
| } |
| } |
| return cur; |
| } |
| |
| boolean isPendingBroadcastProcessLocked(int pid) { |
| return mFgBroadcastQueue.isPendingBroadcastProcessLocked(pid) |
| || mBgBroadcastQueue.isPendingBroadcastProcessLocked(pid); |
| } |
| |
| void skipPendingBroadcastLocked(int pid) { |
| Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| queue.skipPendingBroadcastLocked(pid); |
| } |
| } |
| |
| // The app just attached; send any pending broadcasts that it should receive |
| boolean sendPendingBroadcastsLocked(ProcessRecord app) { |
| boolean didSomething = false; |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| didSomething |= queue.sendPendingBroadcastsLocked(app); |
| } |
| return didSomething; |
| } |
| |
| public Intent registerReceiver(IApplicationThread caller, String callerPackage, |
| IIntentReceiver receiver, IntentFilter filter, String permission, int userId) { |
| enforceNotIsolatedCaller("registerReceiver"); |
| int callingUid; |
| int callingPid; |
| synchronized(this) { |
| ProcessRecord callerApp = null; |
| if (caller != null) { |
| callerApp = getRecordForAppLocked(caller); |
| if (callerApp == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when registering receiver " + receiver); |
| } |
| if (callerApp.info.uid != Process.SYSTEM_UID && |
| !callerApp.pkgList.contains(callerPackage)) { |
| throw new SecurityException("Given caller package " + callerPackage |
| + " is not running in process " + callerApp); |
| } |
| callingUid = callerApp.info.uid; |
| callingPid = callerApp.pid; |
| } else { |
| callerPackage = null; |
| callingUid = Binder.getCallingUid(); |
| callingPid = Binder.getCallingPid(); |
| } |
| |
| userId = this.handleIncomingUser(callingPid, callingUid, userId, |
| true, true, "registerReceiver", callerPackage); |
| |
| List allSticky = null; |
| |
| // Look for any matching sticky broadcasts... |
| Iterator actions = filter.actionsIterator(); |
| if (actions != null) { |
| while (actions.hasNext()) { |
| String action = (String)actions.next(); |
| allSticky = getStickiesLocked(action, filter, allSticky, |
| UserHandle.USER_ALL); |
| allSticky = getStickiesLocked(action, filter, allSticky, |
| UserHandle.getUserId(callingUid)); |
| } |
| } else { |
| allSticky = getStickiesLocked(null, filter, allSticky, |
| UserHandle.USER_ALL); |
| allSticky = getStickiesLocked(null, filter, allSticky, |
| UserHandle.getUserId(callingUid)); |
| } |
| |
| // The first sticky in the list is returned directly back to |
| // the client. |
| Intent sticky = allSticky != null ? (Intent)allSticky.get(0) : null; |
| |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Register receiver " + filter |
| + ": " + sticky); |
| |
| if (receiver == null) { |
| return sticky; |
| } |
| |
| ReceiverList rl |
| = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); |
| if (rl == null) { |
| rl = new ReceiverList(this, callerApp, callingPid, callingUid, |
| userId, receiver); |
| if (rl.app != null) { |
| rl.app.receivers.add(rl); |
| } else { |
| try { |
| receiver.asBinder().linkToDeath(rl, 0); |
| } catch (RemoteException e) { |
| return sticky; |
| } |
| rl.linkedToDeath = true; |
| } |
| mRegisteredReceivers.put(receiver.asBinder(), rl); |
| } else if (rl.uid != callingUid) { |
| throw new IllegalArgumentException( |
| "Receiver requested to register for uid " + callingUid |
| + " was previously registered for uid " + rl.uid); |
| } else if (rl.pid != callingPid) { |
| throw new IllegalArgumentException( |
| "Receiver requested to register for pid " + callingPid |
| + " was previously registered for pid " + rl.pid); |
| } else if (rl.userId != userId) { |
| throw new IllegalArgumentException( |
| "Receiver requested to register for user " + userId |
| + " was previously registered for user " + rl.userId); |
| } |
| BroadcastFilter bf = new BroadcastFilter(filter, rl, callerPackage, |
| permission, callingUid, userId); |
| rl.add(bf); |
| if (!bf.debugCheck()) { |
| Slog.w(TAG, "==> For Dynamic broadast"); |
| } |
| mReceiverResolver.addFilter(bf); |
| |
| // Enqueue broadcasts for all existing stickies that match |
| // this filter. |
| if (allSticky != null) { |
| ArrayList receivers = new ArrayList(); |
| receivers.add(bf); |
| |
| int N = allSticky.size(); |
| for (int i=0; i<N; i++) { |
| Intent intent = (Intent)allSticky.get(i); |
| BroadcastQueue queue = broadcastQueueForIntent(intent); |
| BroadcastRecord r = new BroadcastRecord(queue, intent, null, |
| null, -1, -1, null, AppOpsManager.OP_NONE, receivers, null, 0, |
| null, null, false, true, true, -1); |
| queue.enqueueParallelBroadcastLocked(r); |
| queue.scheduleBroadcastsLocked(); |
| } |
| } |
| |
| return sticky; |
| } |
| } |
| |
| public void unregisterReceiver(IIntentReceiver receiver) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| boolean doTrim = false; |
| |
| synchronized(this) { |
| ReceiverList rl |
| = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); |
| if (rl != null) { |
| if (rl.curBroadcast != null) { |
| BroadcastRecord r = rl.curBroadcast; |
| final boolean doNext = finishReceiverLocked( |
| receiver.asBinder(), r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| if (doNext) { |
| doTrim = true; |
| r.queue.processNextBroadcast(false); |
| } |
| } |
| |
| if (rl.app != null) { |
| rl.app.receivers.remove(rl); |
| } |
| removeReceiverLocked(rl); |
| if (rl.linkedToDeath) { |
| rl.linkedToDeath = false; |
| rl.receiver.asBinder().unlinkToDeath(rl, 0); |
| } |
| } |
| } |
| |
| // If we actually concluded any broadcasts, we might now be able |
| // to trim the recipients' apps from our working set |
| if (doTrim) { |
| trimApplications(); |
| return; |
| } |
| |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| void removeReceiverLocked(ReceiverList rl) { |
| mRegisteredReceivers.remove(rl.receiver.asBinder()); |
| int N = rl.size(); |
| for (int i=0; i<N; i++) { |
| mReceiverResolver.removeFilter(rl.get(i)); |
| } |
| } |
| |
| private final void sendPackageBroadcastLocked(int cmd, String[] packages, int userId) { |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null && (userId == UserHandle.USER_ALL || r.userId == userId)) { |
| try { |
| r.thread.dispatchPackageBroadcast(cmd, packages); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| } |
| |
| private List<ResolveInfo> collectReceiverComponents(Intent intent, String resolvedType, |
| int[] users) { |
| List<ResolveInfo> receivers = null; |
| try { |
| HashSet<ComponentName> singleUserReceivers = null; |
| boolean scannedFirstReceivers = false; |
| for (int user : users) { |
| List<ResolveInfo> newReceivers = AppGlobals.getPackageManager() |
| .queryIntentReceivers(intent, resolvedType, STOCK_PM_FLAGS, user); |
| if (user != 0 && newReceivers != null) { |
| // If this is not the primary user, we need to check for |
| // any receivers that should be filtered out. |
| for (int i=0; i<newReceivers.size(); i++) { |
| ResolveInfo ri = newReceivers.get(i); |
| if ((ri.activityInfo.flags&ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { |
| newReceivers.remove(i); |
| i--; |
| } |
| } |
| } |
| if (newReceivers != null && newReceivers.size() == 0) { |
| newReceivers = null; |
| } |
| if (receivers == null) { |
| receivers = newReceivers; |
| } else if (newReceivers != null) { |
| // We need to concatenate the additional receivers |
| // found with what we have do far. This would be easy, |
| // but we also need to de-dup any receivers that are |
| // singleUser. |
| if (!scannedFirstReceivers) { |
| // Collect any single user receivers we had already retrieved. |
| scannedFirstReceivers = true; |
| for (int i=0; i<receivers.size(); i++) { |
| ResolveInfo ri = receivers.get(i); |
| if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { |
| ComponentName cn = new ComponentName( |
| ri.activityInfo.packageName, ri.activityInfo.name); |
| if (singleUserReceivers == null) { |
| singleUserReceivers = new HashSet<ComponentName>(); |
| } |
| singleUserReceivers.add(cn); |
| } |
| } |
| } |
| // Add the new results to the existing results, tracking |
| // and de-dupping single user receivers. |
| for (int i=0; i<newReceivers.size(); i++) { |
| ResolveInfo ri = newReceivers.get(i); |
| if ((ri.activityInfo.flags&ActivityInfo.FLAG_SINGLE_USER) != 0) { |
| ComponentName cn = new ComponentName( |
| ri.activityInfo.packageName, ri.activityInfo.name); |
| if (singleUserReceivers == null) { |
| singleUserReceivers = new HashSet<ComponentName>(); |
| } |
| if (!singleUserReceivers.contains(cn)) { |
| singleUserReceivers.add(cn); |
| receivers.add(ri); |
| } |
| } else { |
| receivers.add(ri); |
| } |
| } |
| } |
| } |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| return receivers; |
| } |
| |
| private final int broadcastIntentLocked(ProcessRecord callerApp, |
| String callerPackage, Intent intent, String resolvedType, |
| IIntentReceiver resultTo, int resultCode, String resultData, |
| Bundle map, String requiredPermission, int appOp, |
| boolean ordered, boolean sticky, int callingPid, int callingUid, |
| int userId) { |
| intent = new Intent(intent); |
| |
| // By default broadcasts do not go to stopped apps. |
| intent.addFlags(Intent.FLAG_EXCLUDE_STOPPED_PACKAGES); |
| |
| if (DEBUG_BROADCAST_LIGHT) Slog.v( |
| TAG, (sticky ? "Broadcast sticky: ": "Broadcast: ") + intent |
| + " ordered=" + ordered + " userid=" + userId); |
| if ((resultTo != null) && !ordered) { |
| Slog.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); |
| } |
| |
| userId = handleIncomingUser(callingPid, callingUid, userId, |
| true, false, "broadcast", callerPackage); |
| |
| // Make sure that the user who is receiving this broadcast is started. |
| // If not, we will just skip it. |
| if (userId != UserHandle.USER_ALL && mStartedUsers.get(userId) == null) { |
| if (callingUid != Process.SYSTEM_UID || (intent.getFlags() |
| & Intent.FLAG_RECEIVER_BOOT_UPGRADE) == 0) { |
| Slog.w(TAG, "Skipping broadcast of " + intent |
| + ": user " + userId + " is stopped"); |
| return ActivityManager.BROADCAST_SUCCESS; |
| } |
| } |
| |
| /* |
| * Prevent non-system code (defined here to be non-persistent |
| * processes) from sending protected broadcasts. |
| */ |
| int callingAppId = UserHandle.getAppId(callingUid); |
| if (callingAppId == Process.SYSTEM_UID || callingAppId == Process.PHONE_UID |
| || callingAppId == Process.SHELL_UID || callingAppId == Process.BLUETOOTH_UID || |
| callingUid == 0) { |
| // Always okay. |
| } else if (callerApp == null || !callerApp.persistent) { |
| try { |
| if (AppGlobals.getPackageManager().isProtectedBroadcast( |
| intent.getAction())) { |
| String msg = "Permission Denial: not allowed to send broadcast " |
| + intent.getAction() + " from pid=" |
| + callingPid + ", uid=" + callingUid; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(intent.getAction())) { |
| // Special case for compatibility: we don't want apps to send this, |
| // but historically it has not been protected and apps may be using it |
| // to poke their own app widget. So, instead of making it protected, |
| // just limit it to the caller. |
| if (callerApp == null) { |
| String msg = "Permission Denial: not allowed to send broadcast " |
| + intent.getAction() + " from unknown caller."; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } else if (intent.getComponent() != null) { |
| // They are good enough to send to an explicit component... verify |
| // it is being sent to the calling app. |
| if (!intent.getComponent().getPackageName().equals( |
| callerApp.info.packageName)) { |
| String msg = "Permission Denial: not allowed to send broadcast " |
| + intent.getAction() + " to " |
| + intent.getComponent().getPackageName() + " from " |
| + callerApp.info.packageName; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| } else { |
| // Limit broadcast to their own package. |
| intent.setPackage(callerApp.info.packageName); |
| } |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Remote exception", e); |
| return ActivityManager.BROADCAST_SUCCESS; |
| } |
| } |
| |
| // Handle special intents: if this broadcast is from the package |
| // manager about a package being removed, we need to remove all of |
| // its activities from the history stack. |
| final boolean uidRemoved = Intent.ACTION_UID_REMOVED.equals( |
| intent.getAction()); |
| if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction()) |
| || Intent.ACTION_PACKAGE_CHANGED.equals(intent.getAction()) |
| || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction()) |
| || uidRemoved) { |
| if (checkComponentPermission( |
| android.Manifest.permission.BROADCAST_PACKAGE_REMOVED, |
| callingPid, callingUid, -1, true) |
| == PackageManager.PERMISSION_GRANTED) { |
| if (uidRemoved) { |
| final Bundle intentExtras = intent.getExtras(); |
| final int uid = intentExtras != null |
| ? intentExtras.getInt(Intent.EXTRA_UID) : -1; |
| if (uid >= 0) { |
| BatteryStatsImpl bs = mBatteryStatsService.getActiveStatistics(); |
| synchronized (bs) { |
| bs.removeUidStatsLocked(uid); |
| } |
| mAppOpsService.uidRemoved(uid); |
| } |
| } else { |
| // If resources are unavailable just force stop all |
| // those packages and flush the attribute cache as well. |
| if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(intent.getAction())) { |
| String list[] = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| if (list != null && (list.length > 0)) { |
| for (String pkg : list) { |
| forceStopPackageLocked(pkg, -1, false, true, true, false, userId); |
| } |
| sendPackageBroadcastLocked( |
| IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list, userId); |
| } |
| } else { |
| Uri data = intent.getData(); |
| String ssp; |
| if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { |
| if (!intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false)) { |
| forceStopPackageLocked(ssp, |
| intent.getIntExtra(Intent.EXTRA_UID, -1), false, true, true, |
| false, userId); |
| } |
| if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) { |
| sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED, |
| new String[] {ssp}, userId); |
| if (!intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| mAppOpsService.packageRemoved( |
| intent.getIntExtra(Intent.EXTRA_UID, -1), ssp); |
| |
| // Remove all permissions granted from/to this package |
| removeUriPermissionsForPackageLocked(ssp, userId, true); |
| } |
| } |
| } |
| } |
| } |
| } else { |
| String msg = "Permission Denial: " + intent.getAction() |
| + " broadcast from " + callerPackage + " (pid=" + callingPid |
| + ", uid=" + callingUid + ")" |
| + " requires " |
| + android.Manifest.permission.BROADCAST_PACKAGE_REMOVED; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| // Special case for adding a package: by default turn on compatibility |
| // mode. |
| } else if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction())) { |
| Uri data = intent.getData(); |
| String ssp; |
| if (data != null && (ssp=data.getSchemeSpecificPart()) != null) { |
| mCompatModePackages.handlePackageAddedLocked(ssp, |
| intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)); |
| } |
| } |
| |
| /* |
| * If this is the time zone changed action, queue up a message that will reset the timezone |
| * of all currently running processes. This message will get queued up before the broadcast |
| * happens. |
| */ |
| if (intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { |
| mHandler.sendEmptyMessage(UPDATE_TIME_ZONE); |
| } |
| |
| if (intent.ACTION_CLEAR_DNS_CACHE.equals(intent.getAction())) { |
| mHandler.sendEmptyMessage(CLEAR_DNS_CACHE); |
| } |
| |
| if (Proxy.PROXY_CHANGE_ACTION.equals(intent.getAction())) { |
| ProxyProperties proxy = intent.getParcelableExtra("proxy"); |
| mHandler.sendMessage(mHandler.obtainMessage(UPDATE_HTTP_PROXY, proxy)); |
| } |
| |
| // Add to the sticky list if requested. |
| if (sticky) { |
| if (checkPermission(android.Manifest.permission.BROADCAST_STICKY, |
| callingPid, callingUid) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: broadcastIntent() requesting a sticky broadcast from pid=" |
| + callingPid + ", uid=" + callingUid |
| + " requires " + android.Manifest.permission.BROADCAST_STICKY; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| if (requiredPermission != null) { |
| Slog.w(TAG, "Can't broadcast sticky intent " + intent |
| + " and enforce permission " + requiredPermission); |
| return ActivityManager.BROADCAST_STICKY_CANT_HAVE_PERMISSION; |
| } |
| if (intent.getComponent() != null) { |
| throw new SecurityException( |
| "Sticky broadcasts can't target a specific component"); |
| } |
| // We use userId directly here, since the "all" target is maintained |
| // as a separate set of sticky broadcasts. |
| if (userId != UserHandle.USER_ALL) { |
| // But first, if this is not a broadcast to all users, then |
| // make sure it doesn't conflict with an existing broadcast to |
| // all users. |
| HashMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get( |
| UserHandle.USER_ALL); |
| if (stickies != null) { |
| ArrayList<Intent> list = stickies.get(intent.getAction()); |
| if (list != null) { |
| int N = list.size(); |
| int i; |
| for (i=0; i<N; i++) { |
| if (intent.filterEquals(list.get(i))) { |
| throw new IllegalArgumentException( |
| "Sticky broadcast " + intent + " for user " |
| + userId + " conflicts with existing global broadcast"); |
| } |
| } |
| } |
| } |
| } |
| HashMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); |
| if (stickies == null) { |
| stickies = new HashMap<String, ArrayList<Intent>>(); |
| mStickyBroadcasts.put(userId, stickies); |
| } |
| ArrayList<Intent> list = stickies.get(intent.getAction()); |
| if (list == null) { |
| list = new ArrayList<Intent>(); |
| stickies.put(intent.getAction(), list); |
| } |
| int N = list.size(); |
| int i; |
| for (i=0; i<N; i++) { |
| if (intent.filterEquals(list.get(i))) { |
| // This sticky already exists, replace it. |
| list.set(i, new Intent(intent)); |
| break; |
| } |
| } |
| if (i >= N) { |
| list.add(new Intent(intent)); |
| } |
| } |
| |
| int[] users; |
| if (userId == UserHandle.USER_ALL) { |
| // Caller wants broadcast to go to all started users. |
| users = mStartedUserArray; |
| } else { |
| // Caller wants broadcast to go to one specific user. |
| users = new int[] {userId}; |
| } |
| |
| // Figure out who all will receive this broadcast. |
| List receivers = null; |
| List<BroadcastFilter> registeredReceivers = null; |
| // Need to resolve the intent to interested receivers... |
| if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) |
| == 0) { |
| receivers = collectReceiverComponents(intent, resolvedType, users); |
| } |
| if (intent.getComponent() == null) { |
| registeredReceivers = mReceiverResolver.queryIntent(intent, |
| resolvedType, false, userId); |
| } |
| |
| final boolean replacePending = |
| (intent.getFlags()&Intent.FLAG_RECEIVER_REPLACE_PENDING) != 0; |
| |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Enqueing broadcast: " + intent.getAction() |
| + " replacePending=" + replacePending); |
| |
| int NR = registeredReceivers != null ? registeredReceivers.size() : 0; |
| if (!ordered && NR > 0) { |
| // If we are not serializing this broadcast, then send the |
| // registered receivers separately so they don't wait for the |
| // components to be launched. |
| final BroadcastQueue queue = broadcastQueueForIntent(intent); |
| BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, |
| callerPackage, callingPid, callingUid, requiredPermission, appOp, |
| registeredReceivers, resultTo, resultCode, resultData, map, |
| ordered, sticky, false, userId); |
| if (DEBUG_BROADCAST) Slog.v( |
| TAG, "Enqueueing parallel broadcast " + r); |
| final boolean replaced = replacePending && queue.replaceParallelBroadcastLocked(r); |
| if (!replaced) { |
| queue.enqueueParallelBroadcastLocked(r); |
| queue.scheduleBroadcastsLocked(); |
| } |
| registeredReceivers = null; |
| NR = 0; |
| } |
| |
| // Merge into one list. |
| int ir = 0; |
| if (receivers != null) { |
| // A special case for PACKAGE_ADDED: do not allow the package |
| // being added to see this broadcast. This prevents them from |
| // using this as a back door to get run as soon as they are |
| // installed. Maybe in the future we want to have a special install |
| // broadcast or such for apps, but we'd like to deliberately make |
| // this decision. |
| String skipPackages[] = null; |
| if (Intent.ACTION_PACKAGE_ADDED.equals(intent.getAction()) |
| || Intent.ACTION_PACKAGE_RESTARTED.equals(intent.getAction()) |
| || Intent.ACTION_PACKAGE_DATA_CLEARED.equals(intent.getAction())) { |
| Uri data = intent.getData(); |
| if (data != null) { |
| String pkgName = data.getSchemeSpecificPart(); |
| if (pkgName != null) { |
| skipPackages = new String[] { pkgName }; |
| } |
| } |
| } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(intent.getAction())) { |
| skipPackages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| } |
| if (skipPackages != null && (skipPackages.length > 0)) { |
| for (String skipPackage : skipPackages) { |
| if (skipPackage != null) { |
| int NT = receivers.size(); |
| for (int it=0; it<NT; it++) { |
| ResolveInfo curt = (ResolveInfo)receivers.get(it); |
| if (curt.activityInfo.packageName.equals(skipPackage)) { |
| receivers.remove(it); |
| it--; |
| NT--; |
| } |
| } |
| } |
| } |
| } |
| |
| int NT = receivers != null ? receivers.size() : 0; |
| int it = 0; |
| ResolveInfo curt = null; |
| BroadcastFilter curr = null; |
| while (it < NT && ir < NR) { |
| if (curt == null) { |
| curt = (ResolveInfo)receivers.get(it); |
| } |
| if (curr == null) { |
| curr = registeredReceivers.get(ir); |
| } |
| if (curr.getPriority() >= curt.priority) { |
| // Insert this broadcast record into the final list. |
| receivers.add(it, curr); |
| ir++; |
| curr = null; |
| it++; |
| NT++; |
| } else { |
| // Skip to the next ResolveInfo in the final list. |
| it++; |
| curt = null; |
| } |
| } |
| } |
| while (ir < NR) { |
| if (receivers == null) { |
| receivers = new ArrayList(); |
| } |
| receivers.add(registeredReceivers.get(ir)); |
| ir++; |
| } |
| |
| if ((receivers != null && receivers.size() > 0) |
| || resultTo != null) { |
| BroadcastQueue queue = broadcastQueueForIntent(intent); |
| BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp, |
| callerPackage, callingPid, callingUid, requiredPermission, appOp, |
| receivers, resultTo, resultCode, resultData, map, ordered, |
| sticky, false, userId); |
| if (DEBUG_BROADCAST) Slog.v( |
| TAG, "Enqueueing ordered broadcast " + r |
| + ": prev had " + queue.mOrderedBroadcasts.size()); |
| if (DEBUG_BROADCAST) { |
| int seq = r.intent.getIntExtra("seq", -1); |
| Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); |
| } |
| boolean replaced = replacePending && queue.replaceOrderedBroadcastLocked(r); |
| if (!replaced) { |
| queue.enqueueOrderedBroadcastLocked(r); |
| queue.scheduleBroadcastsLocked(); |
| } |
| } |
| |
| return ActivityManager.BROADCAST_SUCCESS; |
| } |
| |
| final Intent verifyBroadcastLocked(Intent intent) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| int flags = intent.getFlags(); |
| |
| if (!mProcessesReady) { |
| // if the caller really truly claims to know what they're doing, go |
| // ahead and allow the broadcast without launching any receivers |
| if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT) != 0) { |
| intent = new Intent(intent); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| } else if ((flags&Intent.FLAG_RECEIVER_REGISTERED_ONLY) == 0) { |
| Slog.e(TAG, "Attempt to launch receivers of broadcast intent " + intent |
| + " before boot completion"); |
| throw new IllegalStateException("Cannot broadcast before boot completed"); |
| } |
| } |
| |
| if ((flags&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0) { |
| throw new IllegalArgumentException( |
| "Can't use FLAG_RECEIVER_BOOT_UPGRADE here"); |
| } |
| |
| return intent; |
| } |
| |
| public final int broadcastIntent(IApplicationThread caller, |
| Intent intent, String resolvedType, IIntentReceiver resultTo, |
| int resultCode, String resultData, Bundle map, |
| String requiredPermission, int appOp, boolean serialized, boolean sticky, int userId) { |
| enforceNotIsolatedCaller("broadcastIntent"); |
| synchronized(this) { |
| intent = verifyBroadcastLocked(intent); |
| |
| final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| final int callingPid = Binder.getCallingPid(); |
| final int callingUid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| int res = broadcastIntentLocked(callerApp, |
| callerApp != null ? callerApp.info.packageName : null, |
| intent, resolvedType, resultTo, |
| resultCode, resultData, map, requiredPermission, appOp, serialized, sticky, |
| callingPid, callingUid, userId); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| int broadcastIntentInPackage(String packageName, int uid, |
| Intent intent, String resolvedType, IIntentReceiver resultTo, |
| int resultCode, String resultData, Bundle map, |
| String requiredPermission, boolean serialized, boolean sticky, int userId) { |
| synchronized(this) { |
| intent = verifyBroadcastLocked(intent); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| int res = broadcastIntentLocked(null, packageName, intent, resolvedType, |
| resultTo, resultCode, resultData, map, requiredPermission, |
| AppOpsManager.OP_NONE, serialized, sticky, -1, uid, userId); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| public final void unbroadcastIntent(IApplicationThread caller, Intent intent, int userId) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| userId = handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, true, false, "removeStickyBroadcast", null); |
| |
| synchronized(this) { |
| if (checkCallingPermission(android.Manifest.permission.BROADCAST_STICKY) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: unbroadcastIntent() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.BROADCAST_STICKY; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| HashMap<String, ArrayList<Intent>> stickies = mStickyBroadcasts.get(userId); |
| if (stickies != null) { |
| ArrayList<Intent> list = stickies.get(intent.getAction()); |
| if (list != null) { |
| int N = list.size(); |
| int i; |
| for (i=0; i<N; i++) { |
| if (intent.filterEquals(list.get(i))) { |
| list.remove(i); |
| break; |
| } |
| } |
| if (list.size() <= 0) { |
| stickies.remove(intent.getAction()); |
| } |
| } |
| if (stickies.size() <= 0) { |
| mStickyBroadcasts.remove(userId); |
| } |
| } |
| } |
| } |
| |
| private final boolean finishReceiverLocked(IBinder receiver, int resultCode, |
| String resultData, Bundle resultExtras, boolean resultAbort, |
| boolean explicit) { |
| final BroadcastRecord r = broadcastRecordForReceiverLocked(receiver); |
| if (r == null) { |
| Slog.w(TAG, "finishReceiver called but not found on queue"); |
| return false; |
| } |
| |
| return r.queue.finishReceiverLocked(r, resultCode, resultData, resultExtras, resultAbort, |
| explicit); |
| } |
| |
| public void finishReceiver(IBinder who, int resultCode, String resultData, |
| Bundle resultExtras, boolean resultAbort) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Finish receiver: " + who); |
| |
| // Refuse possible leaked file descriptors |
| if (resultExtras != null && resultExtras.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| boolean doNext = false; |
| BroadcastRecord r = null; |
| |
| synchronized(this) { |
| r = broadcastRecordForReceiverLocked(who); |
| if (r != null) { |
| doNext = r.queue.finishReceiverLocked(r, resultCode, |
| resultData, resultExtras, resultAbort, true); |
| } |
| } |
| |
| if (doNext) { |
| r.queue.processNextBroadcast(false); |
| } |
| trimApplications(); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| // ========================================================= |
| // INSTRUMENTATION |
| // ========================================================= |
| |
| public boolean startInstrumentation(ComponentName className, |
| String profileFile, int flags, Bundle arguments, |
| IInstrumentationWatcher watcher, IUiAutomationConnection uiAutomationConnection, |
| int userId) { |
| enforceNotIsolatedCaller("startInstrumentation"); |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), |
| userId, false, true, "startInstrumentation", null); |
| // Refuse possible leaked file descriptors |
| if (arguments != null && arguments.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Bundle"); |
| } |
| |
| synchronized(this) { |
| InstrumentationInfo ii = null; |
| ApplicationInfo ai = null; |
| try { |
| ii = mContext.getPackageManager().getInstrumentationInfo( |
| className, STOCK_PM_FLAGS); |
| ai = AppGlobals.getPackageManager().getApplicationInfo( |
| ii.targetPackage, STOCK_PM_FLAGS, userId); |
| } catch (PackageManager.NameNotFoundException e) { |
| } catch (RemoteException e) { |
| } |
| if (ii == null) { |
| reportStartInstrumentationFailure(watcher, className, |
| "Unable to find instrumentation info for: " + className); |
| return false; |
| } |
| if (ai == null) { |
| reportStartInstrumentationFailure(watcher, className, |
| "Unable to find instrumentation target package: " + ii.targetPackage); |
| return false; |
| } |
| |
| int match = mContext.getPackageManager().checkSignatures( |
| ii.targetPackage, ii.packageName); |
| if (match < 0 && match != PackageManager.SIGNATURE_FIRST_NOT_SIGNED) { |
| String msg = "Permission Denial: starting instrumentation " |
| + className + " from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingPid() |
| + " not allowed because package " + ii.packageName |
| + " does not have a signature matching the target " |
| + ii.targetPackage; |
| reportStartInstrumentationFailure(watcher, className, msg); |
| throw new SecurityException(msg); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| // Instrumentation can kill and relaunch even persistent processes |
| forceStopPackageLocked(ii.targetPackage, -1, true, false, true, true, userId); |
| ProcessRecord app = addAppLocked(ai, false); |
| app.instrumentationClass = className; |
| app.instrumentationInfo = ai; |
| app.instrumentationProfileFile = profileFile; |
| app.instrumentationArguments = arguments; |
| app.instrumentationWatcher = watcher; |
| app.instrumentationUiAutomationConnection = uiAutomationConnection; |
| app.instrumentationResultClass = className; |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Report errors that occur while attempting to start Instrumentation. Always writes the |
| * error to the logs, but if somebody is watching, send the report there too. This enables |
| * the "am" command to report errors with more information. |
| * |
| * @param watcher The IInstrumentationWatcher. Null if there isn't one. |
| * @param cn The component name of the instrumentation. |
| * @param report The error report. |
| */ |
| private void reportStartInstrumentationFailure(IInstrumentationWatcher watcher, |
| ComponentName cn, String report) { |
| Slog.w(TAG, report); |
| try { |
| if (watcher != null) { |
| Bundle results = new Bundle(); |
| results.putString(Instrumentation.REPORT_KEY_IDENTIFIER, "ActivityManagerService"); |
| results.putString("Error", report); |
| watcher.instrumentationStatus(cn, -1, results); |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, e); |
| } |
| } |
| |
| void finishInstrumentationLocked(ProcessRecord app, int resultCode, Bundle results) { |
| if (app.instrumentationWatcher != null) { |
| try { |
| // NOTE: IInstrumentationWatcher *must* be oneway here |
| app.instrumentationWatcher.instrumentationFinished( |
| app.instrumentationClass, |
| resultCode, |
| results); |
| } catch (RemoteException e) { |
| } |
| } |
| if (app.instrumentationUiAutomationConnection != null) { |
| try { |
| app.instrumentationUiAutomationConnection.shutdown(); |
| } catch (RemoteException re) { |
| /* ignore */ |
| } |
| // Only a UiAutomation can set this flag and now that |
| // it is finished we make sure it is reset to its default. |
| mUserIsMonkey = false; |
| } |
| app.instrumentationWatcher = null; |
| app.instrumentationUiAutomationConnection = null; |
| app.instrumentationClass = null; |
| app.instrumentationInfo = null; |
| app.instrumentationProfileFile = null; |
| app.instrumentationArguments = null; |
| |
| forceStopPackageLocked(app.info.packageName, -1, false, false, true, true, app.userId); |
| } |
| |
| public void finishInstrumentation(IApplicationThread target, |
| int resultCode, Bundle results) { |
| int userId = UserHandle.getCallingUserId(); |
| // Refuse possible leaked file descriptors |
| if (results != null && results.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| ProcessRecord app = getRecordForAppLocked(target); |
| if (app == null) { |
| Slog.w(TAG, "finishInstrumentation: no app for " + target); |
| return; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| finishInstrumentationLocked(app, resultCode, results); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| // ========================================================= |
| // CONFIGURATION |
| // ========================================================= |
| |
| public ConfigurationInfo getDeviceConfigurationInfo() { |
| ConfigurationInfo config = new ConfigurationInfo(); |
| synchronized (this) { |
| config.reqTouchScreen = mConfiguration.touchscreen; |
| config.reqKeyboardType = mConfiguration.keyboard; |
| config.reqNavigation = mConfiguration.navigation; |
| if (mConfiguration.navigation == Configuration.NAVIGATION_DPAD |
| || mConfiguration.navigation == Configuration.NAVIGATION_TRACKBALL) { |
| config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV; |
| } |
| if (mConfiguration.keyboard != Configuration.KEYBOARD_UNDEFINED |
| && mConfiguration.keyboard != Configuration.KEYBOARD_NOKEYS) { |
| config.reqInputFeatures |= ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD; |
| } |
| config.reqGlEsVersion = GL_ES_VERSION; |
| } |
| return config; |
| } |
| |
| ActivityStack getFocusedStack() { |
| return mStackSupervisor.getFocusedStack(); |
| } |
| |
| public Configuration getConfiguration() { |
| Configuration ci; |
| synchronized(this) { |
| ci = new Configuration(mConfiguration); |
| } |
| return ci; |
| } |
| |
| public void updatePersistentConfiguration(Configuration values) { |
| enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| "updateConfiguration()"); |
| enforceCallingPermission(android.Manifest.permission.WRITE_SETTINGS, |
| "updateConfiguration()"); |
| if (values == null) { |
| throw new NullPointerException("Configuration must not be null"); |
| } |
| |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| updateConfigurationLocked(values, null, true, false); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public void updateConfiguration(Configuration values) { |
| enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| "updateConfiguration()"); |
| |
| synchronized(this) { |
| if (values == null && mWindowManager != null) { |
| // sentinel: fetch the current configuration from the window manager |
| values = mWindowManager.computeNewConfiguration(); |
| } |
| |
| if (mWindowManager != null) { |
| mProcessList.applyDisplaySize(mWindowManager); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| if (values != null) { |
| Settings.System.clearConfiguration(values); |
| } |
| updateConfigurationLocked(values, null, false, false); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| /** |
| * Do either or both things: (1) change the current configuration, and (2) |
| * make sure the given activity is running with the (now) current |
| * configuration. Returns true if the activity has been left running, or |
| * false if <var>starting</var> is being destroyed to match the new |
| * configuration. |
| * @param persistent TODO |
| */ |
| boolean updateConfigurationLocked(Configuration values, |
| ActivityRecord starting, boolean persistent, boolean initLocale) { |
| // do nothing if we are headless |
| if (mHeadless) return true; |
| |
| int changes = 0; |
| |
| if (values != null) { |
| Configuration newConfig = new Configuration(mConfiguration); |
| changes = newConfig.updateFrom(values); |
| if (changes != 0) { |
| if (DEBUG_SWITCH || DEBUG_CONFIGURATION) { |
| Slog.i(TAG, "Updating configuration to: " + values); |
| } |
| |
| EventLog.writeEvent(EventLogTags.CONFIGURATION_CHANGED, changes); |
| |
| if (values.locale != null && !initLocale) { |
| saveLocaleLocked(values.locale, |
| !values.locale.equals(mConfiguration.locale), |
| values.userSetLocale); |
| } |
| |
| mConfigurationSeq++; |
| if (mConfigurationSeq <= 0) { |
| mConfigurationSeq = 1; |
| } |
| newConfig.seq = mConfigurationSeq; |
| mConfiguration = newConfig; |
| Slog.i(TAG, "Config changes=" + Integer.toHexString(changes) + " " + newConfig); |
| |
| final Configuration configCopy = new Configuration(mConfiguration); |
| |
| // TODO: If our config changes, should we auto dismiss any currently |
| // showing dialogs? |
| mShowDialogs = shouldShowDialogs(newConfig); |
| |
| AttributeCache ac = AttributeCache.instance(); |
| if (ac != null) { |
| ac.updateConfiguration(configCopy); |
| } |
| |
| // Make sure all resources in our process are updated |
| // right now, so that anyone who is going to retrieve |
| // resource values after we return will be sure to get |
| // the new ones. This is especially important during |
| // boot, where the first config change needs to guarantee |
| // all resources have that config before following boot |
| // code is executed. |
| mSystemThread.applyConfigurationToResources(configCopy); |
| |
| if (persistent && Settings.System.hasInterestingConfigurationChanges(changes)) { |
| Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); |
| msg.obj = new Configuration(configCopy); |
| mHandler.sendMessage(msg); |
| } |
| |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord app = mLruProcesses.get(i); |
| try { |
| if (app.thread != null) { |
| if (DEBUG_CONFIGURATION) Slog.v(TAG, "Sending to proc " |
| + app.processName + " new config " + mConfiguration); |
| app.thread.scheduleConfigurationChanged(configCopy); |
| } |
| } catch (Exception e) { |
| } |
| } |
| Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_REPLACE_PENDING |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| broadcastIntentLocked(null, null, intent, null, null, 0, null, null, |
| null, AppOpsManager.OP_NONE, false, false, MY_PID, |
| Process.SYSTEM_UID, UserHandle.USER_ALL); |
| if ((changes&ActivityInfo.CONFIG_LOCALE) != 0) { |
| intent = new Intent(Intent.ACTION_LOCALE_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } |
| } |
| } |
| |
| boolean kept = true; |
| final ActivityStack mainStack = mStackSupervisor.getFocusedStack(); |
| if (changes != 0 && starting == null) { |
| // If the configuration changed, and the caller is not already |
| // in the process of starting an activity, then find the top |
| // activity to check if its configuration needs to change. |
| starting = mainStack.topRunningActivityLocked(null); |
| } |
| |
| if (starting != null) { |
| kept = mainStack.ensureActivityConfigurationLocked(starting, changes); |
| // And we need to make sure at this point that all other activities |
| // are made visible with the correct configuration. |
| mStackSupervisor.ensureActivitiesVisibleLocked(starting, changes); |
| } |
| |
| if (values != null && mWindowManager != null) { |
| mWindowManager.setNewConfiguration(mConfiguration); |
| } |
| |
| return kept; |
| } |
| |
| /** |
| * Decide based on the configuration whether we should shouw the ANR, |
| * crash, etc dialogs. The idea is that if there is no affordnace to |
| * press the on-screen buttons, we shouldn't show the dialog. |
| * |
| * A thought: SystemUI might also want to get told about this, the Power |
| * dialog / global actions also might want different behaviors. |
| */ |
| private static final boolean shouldShowDialogs(Configuration config) { |
| return !(config.keyboard == Configuration.KEYBOARD_NOKEYS |
| && config.touchscreen == Configuration.TOUCHSCREEN_NOTOUCH); |
| } |
| |
| /** |
| * Save the locale. You must be inside a synchronized (this) block. |
| */ |
| private void saveLocaleLocked(Locale l, boolean isDiff, boolean isPersist) { |
| if(isDiff) { |
| SystemProperties.set("user.language", l.getLanguage()); |
| SystemProperties.set("user.region", l.getCountry()); |
| } |
| |
| if(isPersist) { |
| SystemProperties.set("persist.sys.language", l.getLanguage()); |
| SystemProperties.set("persist.sys.country", l.getCountry()); |
| SystemProperties.set("persist.sys.localevar", l.getVariant()); |
| } |
| } |
| |
| @Override |
| public boolean targetTaskAffinityMatchesActivity(IBinder token, String destAffinity) { |
| ActivityRecord srec = ActivityRecord.forToken(token); |
| return srec != null && srec.task.affinity != null && |
| srec.task.affinity.equals(destAffinity); |
| } |
| |
| public boolean navigateUpTo(IBinder token, Intent destIntent, int resultCode, |
| Intent resultData) { |
| |
| synchronized (this) { |
| final ActivityStack stack = ActivityRecord.getStackLocked(token); |
| if (stack != null) { |
| return stack.navigateUpToLocked(token, destIntent, resultCode, resultData); |
| } |
| return false; |
| } |
| } |
| |
| public int getLaunchedFromUid(IBinder activityToken) { |
| ActivityRecord srec = ActivityRecord.forToken(activityToken); |
| if (srec == null) { |
| return -1; |
| } |
| return srec.launchedFromUid; |
| } |
| |
| public String getLaunchedFromPackage(IBinder activityToken) { |
| ActivityRecord srec = ActivityRecord.forToken(activityToken); |
| if (srec == null) { |
| return null; |
| } |
| return srec.launchedFromPackage; |
| } |
| |
| // ========================================================= |
| // LIFETIME MANAGEMENT |
| // ========================================================= |
| |
| // Returns which broadcast queue the app is the current [or imminent] receiver |
| // on, or 'null' if the app is not an active broadcast recipient. |
| private BroadcastQueue isReceivingBroadcast(ProcessRecord app) { |
| BroadcastRecord r = app.curReceiver; |
| if (r != null) { |
| return r.queue; |
| } |
| |
| // It's not the current receiver, but it might be starting up to become one |
| synchronized (this) { |
| for (BroadcastQueue queue : mBroadcastQueues) { |
| r = queue.mPendingBroadcast; |
| if (r != null && r.curApp == app) { |
| // found it; report which queue it's in |
| return queue; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| private final int computeOomAdjLocked(ProcessRecord app, int hiddenAdj, int clientHiddenAdj, |
| int emptyAdj, ProcessRecord TOP_APP, boolean recursed, boolean doingAll) { |
| if (mAdjSeq == app.adjSeq) { |
| // This adjustment has already been computed. If we are calling |
| // from the top, we may have already computed our adjustment with |
| // an earlier hidden adjustment that isn't really for us... if |
| // so, use the new hidden adjustment. |
| if (!recursed && app.hidden) { |
| if (app.hasActivities) { |
| app.curAdj = app.curRawAdj = app.nonStoppingAdj = hiddenAdj; |
| } else if (app.hasClientActivities) { |
| app.curAdj = app.curRawAdj = app.nonStoppingAdj = clientHiddenAdj; |
| } else { |
| app.curAdj = app.curRawAdj = app.nonStoppingAdj = emptyAdj; |
| } |
| } |
| return app.curRawAdj; |
| } |
| |
| if (app.thread == null) { |
| app.adjSeq = mAdjSeq; |
| app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| return (app.curAdj=app.curRawAdj=ProcessList.HIDDEN_APP_MAX_ADJ); |
| } |
| |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN; |
| app.adjSource = null; |
| app.adjTarget = null; |
| app.empty = false; |
| app.hidden = false; |
| app.hasClientActivities = false; |
| |
| final int activitiesSize = app.activities.size(); |
| |
| if (app.maxAdj <= ProcessList.FOREGROUND_APP_ADJ) { |
| // The max adjustment doesn't allow this app to be anything |
| // below foreground, so it is not worth doing work for it. |
| app.adjType = "fixed"; |
| app.adjSeq = mAdjSeq; |
| app.curRawAdj = app.nonStoppingAdj = app.maxAdj; |
| app.hasActivities = false; |
| app.foregroundActivities = false; |
| app.keeping = true; |
| app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; |
| // System process can do UI, and when they do we want to have |
| // them trim their memory after the user leaves the UI. To |
| // facilitate this, here we need to determine whether or not it |
| // is currently showing UI. |
| app.systemNoUi = true; |
| if (app == TOP_APP) { |
| app.systemNoUi = false; |
| app.hasActivities = true; |
| } else if (activitiesSize > 0) { |
| for (int j = 0; j < activitiesSize; j++) { |
| final ActivityRecord r = app.activities.get(j); |
| if (r.visible) { |
| app.systemNoUi = false; |
| } |
| if (r.app == app) { |
| app.hasActivities = true; |
| } |
| } |
| } |
| return (app.curAdj=app.maxAdj); |
| } |
| |
| app.keeping = false; |
| app.systemNoUi = false; |
| app.hasActivities = false; |
| |
| // Determine the importance of the process, starting with most |
| // important to least, and assign an appropriate OOM adjustment. |
| int adj; |
| int schedGroup; |
| boolean foregroundActivities = false; |
| boolean interesting = false; |
| BroadcastQueue queue; |
| if (app == TOP_APP) { |
| // The last app on the list is the foreground app. |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "top-activity"; |
| foregroundActivities = true; |
| interesting = true; |
| app.hasActivities = true; |
| } else if (app.instrumentationClass != null) { |
| // Don't want to kill running instrumentation. |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "instrumentation"; |
| interesting = true; |
| } else if ((queue = isReceivingBroadcast(app)) != null) { |
| // An app that is currently receiving a broadcast also |
| // counts as being in the foreground for OOM killer purposes. |
| // It's placed in a sched group based on the nature of the |
| // broadcast as reflected by which queue it's active in. |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| schedGroup = (queue == mFgBroadcastQueue) |
| ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.adjType = "broadcast"; |
| } else if (app.executingServices.size() > 0) { |
| // An app that is currently executing a service callback also |
| // counts as being in the foreground. |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "exec-service"; |
| } else { |
| // Assume process is hidden (has activities); we will correct |
| // later if this is not the case. |
| adj = hiddenAdj; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = true; |
| app.adjType = "bg-act"; |
| } |
| |
| boolean hasStoppingActivities = false; |
| |
| // Examine all activities if not already foreground. |
| if (!foregroundActivities && activitiesSize > 0) { |
| for (int j = 0; j < activitiesSize; j++) { |
| final ActivityRecord r = app.activities.get(j); |
| if (r.visible) { |
| // App has a visible activity; only upgrade adjustment. |
| if (adj > ProcessList.VISIBLE_APP_ADJ) { |
| adj = ProcessList.VISIBLE_APP_ADJ; |
| app.adjType = "visible"; |
| } |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.hidden = false; |
| app.hasActivities = true; |
| foregroundActivities = true; |
| break; |
| } else if (r.state == ActivityState.PAUSING || r.state == ActivityState.PAUSED) { |
| if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| app.adjType = "pausing"; |
| } |
| app.hidden = false; |
| foregroundActivities = true; |
| } else if (r.state == ActivityState.STOPPING) { |
| // We will apply the actual adjustment later, because |
| // we want to allow this process to immediately go through |
| // any memory trimming that is in effect. |
| app.hidden = false; |
| foregroundActivities = true; |
| hasStoppingActivities = true; |
| } |
| if (r.app == app) { |
| app.hasActivities = true; |
| } |
| } |
| } |
| |
| if (adj == hiddenAdj && !app.hasActivities) { |
| if (app.hasClientActivities) { |
| adj = clientHiddenAdj; |
| app.adjType = "bg-client-act"; |
| } else { |
| // Whoops, this process is completely empty as far as we know |
| // at this point. |
| adj = emptyAdj; |
| app.empty = true; |
| app.adjType = "bg-empty"; |
| } |
| } |
| |
| if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| if (app.foregroundServices) { |
| // The user is aware of this app, so make it visible. |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| app.hidden = false; |
| app.adjType = "fg-service"; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } else if (app.forcingToForeground != null) { |
| // The user is aware of this app, so make it visible. |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| app.hidden = false; |
| app.adjType = "force-fg"; |
| app.adjSource = app.forcingToForeground; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| |
| if (app.foregroundServices) { |
| interesting = true; |
| } |
| |
| if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ && app == mHeavyWeightProcess) { |
| // We don't want to kill the current heavy-weight process. |
| adj = ProcessList.HEAVY_WEIGHT_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = false; |
| app.adjType = "heavy"; |
| } |
| |
| if (adj > ProcessList.HOME_APP_ADJ && app == mHomeProcess) { |
| // This process is hosting what we currently consider to be the |
| // home app, so we don't want to let it go into the background. |
| adj = ProcessList.HOME_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = false; |
| app.adjType = "home"; |
| } |
| |
| if (adj > ProcessList.PREVIOUS_APP_ADJ && app == mPreviousProcess |
| && app.activities.size() > 0) { |
| // This was the previous process that showed UI to the user. |
| // We want to try to keep it around more aggressively, to give |
| // a good experience around switching between two apps. |
| adj = ProcessList.PREVIOUS_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = false; |
| app.adjType = "previous"; |
| } |
| |
| if (false) Slog.i(TAG, "OOM " + app + ": initial adj=" + adj |
| + " reason=" + app.adjType); |
| |
| // By default, we use the computed adjustment. It may be changed if |
| // there are applications dependent on our services or providers, but |
| // this gives us a baseline and makes sure we don't get into an |
| // infinite recursion. |
| app.adjSeq = mAdjSeq; |
| app.curRawAdj = app.nonStoppingAdj = adj; |
| |
| if (mBackupTarget != null && app == mBackupTarget.app) { |
| // If possible we want to avoid killing apps while they're being backed up |
| if (adj > ProcessList.BACKUP_APP_ADJ) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "oom BACKUP_APP_ADJ for " + app); |
| adj = ProcessList.BACKUP_APP_ADJ; |
| app.adjType = "backup"; |
| app.hidden = false; |
| } |
| } |
| |
| if (app.services.size() != 0 && (adj > ProcessList.FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| final long now = SystemClock.uptimeMillis(); |
| // This process is more important if the top activity is |
| // bound to the service. |
| Iterator<ServiceRecord> jt = app.services.iterator(); |
| while (jt.hasNext() && adj > ProcessList.FOREGROUND_APP_ADJ) { |
| ServiceRecord s = jt.next(); |
| if (s.startRequested) { |
| if (app.hasShownUi && app != mHomeProcess) { |
| // If this process has shown some UI, let it immediately |
| // go to the LRU list because it may be pretty heavy with |
| // UI stuff. We'll tag it with a label just to help |
| // debug and understand what is going on. |
| if (adj > ProcessList.SERVICE_ADJ) { |
| app.adjType = "started-bg-ui-services"; |
| } |
| } else { |
| if (now < (s.lastActivity + ActiveServices.MAX_SERVICE_INACTIVITY)) { |
| // This service has seen some activity within |
| // recent memory, so we will keep its process ahead |
| // of the background processes. |
| if (adj > ProcessList.SERVICE_ADJ) { |
| adj = ProcessList.SERVICE_ADJ; |
| app.adjType = "started-services"; |
| app.hidden = false; |
| } |
| } |
| // If we have let the service slide into the background |
| // state, still have some text describing what it is doing |
| // even though the service no longer has an impact. |
| if (adj > ProcessList.SERVICE_ADJ) { |
| app.adjType = "started-bg-services"; |
| } |
| } |
| // Don't kill this process because it is doing work; it |
| // has said it is doing work. |
| app.keeping = true; |
| } |
| if (s.connections.size() > 0 && (adj > ProcessList.FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| Iterator<ArrayList<ConnectionRecord>> kt |
| = s.connections.values().iterator(); |
| while (kt.hasNext() && adj > ProcessList.FOREGROUND_APP_ADJ) { |
| ArrayList<ConnectionRecord> clist = kt.next(); |
| for (int i=0; i<clist.size() && adj > ProcessList.FOREGROUND_APP_ADJ; i++) { |
| // XXX should compute this based on the max of |
| // all connected clients. |
| ConnectionRecord cr = clist.get(i); |
| if (cr.binding.client == app) { |
| // Binding to ourself is not interesting. |
| continue; |
| } |
| if ((cr.flags&Context.BIND_WAIVE_PRIORITY) == 0) { |
| ProcessRecord client = cr.binding.client; |
| int clientAdj = adj; |
| int myHiddenAdj = hiddenAdj; |
| if (myHiddenAdj > client.hiddenAdj) { |
| if (client.hiddenAdj >= ProcessList.VISIBLE_APP_ADJ) { |
| myHiddenAdj = client.hiddenAdj; |
| } else { |
| myHiddenAdj = ProcessList.VISIBLE_APP_ADJ; |
| } |
| } |
| int myClientHiddenAdj = clientHiddenAdj; |
| if (myClientHiddenAdj > client.clientHiddenAdj) { |
| if (client.clientHiddenAdj >= ProcessList.VISIBLE_APP_ADJ) { |
| myClientHiddenAdj = client.clientHiddenAdj; |
| } else { |
| myClientHiddenAdj = ProcessList.VISIBLE_APP_ADJ; |
| } |
| } |
| int myEmptyAdj = emptyAdj; |
| if (myEmptyAdj > client.emptyAdj) { |
| if (client.emptyAdj >= ProcessList.VISIBLE_APP_ADJ) { |
| myEmptyAdj = client.emptyAdj; |
| } else { |
| myEmptyAdj = ProcessList.VISIBLE_APP_ADJ; |
| } |
| } |
| clientAdj = computeOomAdjLocked(client, myHiddenAdj, |
| myClientHiddenAdj, myEmptyAdj, TOP_APP, true, doingAll); |
| String adjType = null; |
| if ((cr.flags&Context.BIND_ALLOW_OOM_MANAGEMENT) != 0) { |
| // Not doing bind OOM management, so treat |
| // this guy more like a started service. |
| if (app.hasShownUi && app != mHomeProcess) { |
| // If this process has shown some UI, let it immediately |
| // go to the LRU list because it may be pretty heavy with |
| // UI stuff. We'll tag it with a label just to help |
| // debug and understand what is going on. |
| if (adj > clientAdj) { |
| adjType = "bound-bg-ui-services"; |
| } |
| app.hidden = false; |
| clientAdj = adj; |
| } else { |
| if (now >= (s.lastActivity |
| + ActiveServices.MAX_SERVICE_INACTIVITY)) { |
| // This service has not seen activity within |
| // recent memory, so allow it to drop to the |
| // LRU list if there is no other reason to keep |
| // it around. We'll also tag it with a label just |
| // to help debug and undertand what is going on. |
| if (adj > clientAdj) { |
| adjType = "bound-bg-services"; |
| } |
| clientAdj = adj; |
| } |
| } |
| } else if ((cr.flags&Context.BIND_AUTO_CREATE) != 0) { |
| if ((cr.flags&Context.BIND_NOT_VISIBLE) == 0) { |
| // If this connection is keeping the service |
| // created, then we want to try to better follow |
| // its memory management semantics for activities. |
| // That is, if it is sitting in the background |
| // LRU list as a hidden process (with activities), |
| // we don't want the service it is connected to |
| // to go into the empty LRU and quickly get killed, |
| // because I'll we'll do is just end up restarting |
| // the service. |
| app.hasClientActivities |= client.hasActivities; |
| } |
| } |
| if (adj > clientAdj) { |
| // If this process has recently shown UI, and |
| // the process that is binding to it is less |
| // important than being visible, then we don't |
| // care about the binding as much as we care |
| // about letting this process get into the LRU |
| // list to be killed and restarted if needed for |
| // memory. |
| if (app.hasShownUi && app != mHomeProcess |
| && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| adjType = "bound-bg-ui-services"; |
| } else { |
| if ((cr.flags&(Context.BIND_ABOVE_CLIENT |
| |Context.BIND_IMPORTANT)) != 0) { |
| adj = clientAdj; |
| } else if ((cr.flags&Context.BIND_NOT_VISIBLE) != 0 |
| && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ |
| && adj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| } else if (clientAdj > ProcessList.VISIBLE_APP_ADJ) { |
| adj = clientAdj; |
| } else { |
| app.pendingUiClean = true; |
| if (adj > ProcessList.VISIBLE_APP_ADJ) { |
| adj = ProcessList.VISIBLE_APP_ADJ; |
| } |
| } |
| if (!client.hidden) { |
| app.hidden = false; |
| } |
| if (client.keeping) { |
| app.keeping = true; |
| } |
| adjType = "service"; |
| } |
| } |
| if (adjType != null) { |
| app.adjType = adjType; |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_SERVICE_IN_USE; |
| app.adjSource = cr.binding.client; |
| app.adjSourceOom = clientAdj; |
| app.adjTarget = s.name; |
| } |
| if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { |
| if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| } |
| final ActivityRecord a = cr.activity; |
| if ((cr.flags&Context.BIND_ADJUST_WITH_ACTIVITY) != 0) { |
| if (a != null && adj > ProcessList.FOREGROUND_APP_ADJ && |
| (a.visible || a.state == ActivityState.RESUMED |
| || a.state == ActivityState.PAUSING)) { |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| app.hidden = false; |
| app.adjType = "service"; |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_SERVICE_IN_USE; |
| app.adjSource = a; |
| app.adjSourceOom = adj; |
| app.adjTarget = s.name; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Finally, if this process has active services running in it, we |
| // would like to avoid killing it unless it would prevent the current |
| // application from running. By default we put the process in |
| // with the rest of the background processes; as we scan through |
| // its services we may bump it up from there. |
| if (adj > hiddenAdj) { |
| adj = hiddenAdj; |
| app.hidden = false; |
| app.adjType = "bg-services"; |
| } |
| } |
| |
| if (app.pubProviders.size() != 0 && (adj > ProcessList.FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| Iterator<ContentProviderRecord> jt = app.pubProviders.values().iterator(); |
| while (jt.hasNext() && (adj > ProcessList.FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| ContentProviderRecord cpr = jt.next(); |
| for (int i = cpr.connections.size()-1; |
| i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE); |
| i--) { |
| ContentProviderConnection conn = cpr.connections.get(i); |
| ProcessRecord client = conn.client; |
| if (client == app) { |
| // Being our own client is not interesting. |
| continue; |
| } |
| int myHiddenAdj = hiddenAdj; |
| if (myHiddenAdj > client.hiddenAdj) { |
| if (client.hiddenAdj > ProcessList.FOREGROUND_APP_ADJ) { |
| myHiddenAdj = client.hiddenAdj; |
| } else { |
| myHiddenAdj = ProcessList.FOREGROUND_APP_ADJ; |
| } |
| } |
| int myClientHiddenAdj = clientHiddenAdj; |
| if (myClientHiddenAdj > client.clientHiddenAdj) { |
| if (client.clientHiddenAdj >= ProcessList.FOREGROUND_APP_ADJ) { |
| myClientHiddenAdj = client.clientHiddenAdj; |
| } else { |
| myClientHiddenAdj = ProcessList.FOREGROUND_APP_ADJ; |
| } |
| } |
| int myEmptyAdj = emptyAdj; |
| if (myEmptyAdj > client.emptyAdj) { |
| if (client.emptyAdj > ProcessList.FOREGROUND_APP_ADJ) { |
| myEmptyAdj = client.emptyAdj; |
| } else { |
| myEmptyAdj = ProcessList.FOREGROUND_APP_ADJ; |
| } |
| } |
| int clientAdj = computeOomAdjLocked(client, myHiddenAdj, |
| myClientHiddenAdj, myEmptyAdj, TOP_APP, true, doingAll); |
| if (adj > clientAdj) { |
| if (app.hasShownUi && app != mHomeProcess |
| && clientAdj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| app.adjType = "bg-ui-provider"; |
| } else { |
| adj = clientAdj > ProcessList.FOREGROUND_APP_ADJ |
| ? clientAdj : ProcessList.FOREGROUND_APP_ADJ; |
| app.adjType = "provider"; |
| } |
| if (!client.hidden) { |
| app.hidden = false; |
| } |
| if (client.keeping) { |
| app.keeping = true; |
| } |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_PROVIDER_IN_USE; |
| app.adjSource = client; |
| app.adjSourceOom = clientAdj; |
| app.adjTarget = cpr.name; |
| } |
| if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| // If the provider has external (non-framework) process |
| // dependencies, ensure that its adjustment is at least |
| // FOREGROUND_APP_ADJ. |
| if (cpr.hasExternalProcessHandles()) { |
| if (adj > ProcessList.FOREGROUND_APP_ADJ) { |
| adj = ProcessList.FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.hidden = false; |
| app.keeping = true; |
| app.adjType = "provider"; |
| app.adjTarget = cpr.name; |
| } |
| } |
| } |
| } |
| |
| if (adj == ProcessList.SERVICE_ADJ) { |
| if (doingAll) { |
| app.serviceb = mNewNumServiceProcs > (mNumServiceProcs/3); |
| mNewNumServiceProcs++; |
| } |
| if (app.serviceb) { |
| adj = ProcessList.SERVICE_B_ADJ; |
| } |
| } else { |
| app.serviceb = false; |
| } |
| |
| app.nonStoppingAdj = adj; |
| |
| if (hasStoppingActivities) { |
| // Only upgrade adjustment. |
| if (adj > ProcessList.PERCEPTIBLE_APP_ADJ) { |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| app.adjType = "stopping"; |
| } |
| } |
| |
| app.curRawAdj = adj; |
| |
| //Slog.i(TAG, "OOM ADJ " + app + ": pid=" + app.pid + |
| // " adj=" + adj + " curAdj=" + app.curAdj + " maxAdj=" + app.maxAdj); |
| if (adj > app.maxAdj) { |
| adj = app.maxAdj; |
| if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| if (adj < ProcessList.HIDDEN_APP_MIN_ADJ) { |
| app.keeping = true; |
| } |
| |
| if (app.hasAboveClient) { |
| // If this process has bound to any services with BIND_ABOVE_CLIENT, |
| // then we need to drop its adjustment to be lower than the service's |
| // in order to honor the request. We want to drop it by one adjustment |
| // level... but there is special meaning applied to various levels so |
| // we will skip some of them. |
| if (adj < ProcessList.FOREGROUND_APP_ADJ) { |
| // System process will not get dropped, ever |
| } else if (adj < ProcessList.VISIBLE_APP_ADJ) { |
| adj = ProcessList.VISIBLE_APP_ADJ; |
| } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) { |
| adj = ProcessList.PERCEPTIBLE_APP_ADJ; |
| } else if (adj < ProcessList.HIDDEN_APP_MIN_ADJ) { |
| adj = ProcessList.HIDDEN_APP_MIN_ADJ; |
| } else if (adj < ProcessList.HIDDEN_APP_MAX_ADJ) { |
| adj++; |
| } |
| } |
| |
| int importance = app.memImportance; |
| if (importance == 0 || adj != app.curAdj || schedGroup != app.curSchedGroup) { |
| app.curAdj = adj; |
| app.curSchedGroup = schedGroup; |
| if (!interesting) { |
| // For this reporting, if there is not something explicitly |
| // interesting in this process then we will push it to the |
| // background importance. |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| } else if (adj >= ProcessList.HIDDEN_APP_MIN_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| } else if (adj >= ProcessList.SERVICE_B_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| } else if (adj >= ProcessList.HOME_APP_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| } else if (adj >= ProcessList.SERVICE_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| } else if (adj >= ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_CANT_SAVE_STATE; |
| } else if (adj >= ProcessList.PERCEPTIBLE_APP_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERCEPTIBLE; |
| } else if (adj >= ProcessList.VISIBLE_APP_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE; |
| } else if (adj >= ProcessList.FOREGROUND_APP_ADJ) { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND; |
| } else { |
| importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERSISTENT; |
| } |
| } |
| |
| int changes = importance != app.memImportance ? ProcessChangeItem.CHANGE_IMPORTANCE : 0; |
| if (foregroundActivities != app.foregroundActivities) { |
| changes |= ProcessChangeItem.CHANGE_ACTIVITIES; |
| } |
| if (changes != 0) { |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Changes in " + app + ": " + changes); |
| app.memImportance = importance; |
| app.foregroundActivities = foregroundActivities; |
| int i = mPendingProcessChanges.size()-1; |
| ProcessChangeItem item = null; |
| while (i >= 0) { |
| item = mPendingProcessChanges.get(i); |
| if (item.pid == app.pid) { |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Re-using existing item: " + item); |
| break; |
| } |
| i--; |
| } |
| if (i < 0) { |
| // No existing item in pending changes; need a new one. |
| final int NA = mAvailProcessChanges.size(); |
| if (NA > 0) { |
| item = mAvailProcessChanges.remove(NA-1); |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Retreiving available item: " + item); |
| } else { |
| item = new ProcessChangeItem(); |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Allocating new item: " + item); |
| } |
| item.changes = 0; |
| item.pid = app.pid; |
| item.uid = app.info.uid; |
| if (mPendingProcessChanges.size() == 0) { |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, |
| "*** Enqueueing dispatch processes changed!"); |
| mHandler.obtainMessage(DISPATCH_PROCESSES_CHANGED).sendToTarget(); |
| } |
| mPendingProcessChanges.add(item); |
| } |
| item.changes |= changes; |
| item.importance = importance; |
| item.foregroundActivities = foregroundActivities; |
| if (DEBUG_PROCESS_OBSERVERS) Slog.i(TAG, "Item " |
| + Integer.toHexString(System.identityHashCode(item)) |
| + " " + app.toShortString() + ": changes=" + item.changes |
| + " importance=" + item.importance |
| + " foreground=" + item.foregroundActivities |
| + " type=" + app.adjType + " source=" + app.adjSource |
| + " target=" + app.adjTarget); |
| } |
| |
| return app.curRawAdj; |
| } |
| |
| /** |
| * Ask a given process to GC right now. |
| */ |
| final void performAppGcLocked(ProcessRecord app) { |
| try { |
| app.lastRequestedGc = SystemClock.uptimeMillis(); |
| if (app.thread != null) { |
| if (app.reportLowMemory) { |
| app.reportLowMemory = false; |
| app.thread.scheduleLowMemory(); |
| } else { |
| app.thread.processInBackground(); |
| } |
| } |
| } catch (Exception e) { |
| // whatever. |
| } |
| } |
| |
| /** |
| * Returns true if things are idle enough to perform GCs. |
| */ |
| private final boolean canGcNowLocked() { |
| boolean processingBroadcasts = false; |
| for (BroadcastQueue q : mBroadcastQueues) { |
| if (q.mParallelBroadcasts.size() != 0 || q.mOrderedBroadcasts.size() != 0) { |
| processingBroadcasts = true; |
| } |
| } |
| return !processingBroadcasts |
| && (mSleeping || mStackSupervisor.allResumedActivitiesIdle()); |
| } |
| |
| /** |
| * Perform GCs on all processes that are waiting for it, but only |
| * if things are idle. |
| */ |
| final void performAppGcsLocked() { |
| final int N = mProcessesToGc.size(); |
| if (N <= 0) { |
| return; |
| } |
| if (canGcNowLocked()) { |
| while (mProcessesToGc.size() > 0) { |
| ProcessRecord proc = mProcessesToGc.remove(0); |
| if (proc.curRawAdj > ProcessList.PERCEPTIBLE_APP_ADJ || proc.reportLowMemory) { |
| if ((proc.lastRequestedGc+GC_MIN_INTERVAL) |
| <= SystemClock.uptimeMillis()) { |
| // To avoid spamming the system, we will GC processes one |
| // at a time, waiting a few seconds between each. |
| performAppGcLocked(proc); |
| scheduleAppGcsLocked(); |
| return; |
| } else { |
| // It hasn't been long enough since we last GCed this |
| // process... put it in the list to wait for its time. |
| addProcessToGcListLocked(proc); |
| break; |
| } |
| } |
| } |
| |
| scheduleAppGcsLocked(); |
| } |
| } |
| |
| /** |
| * If all looks good, perform GCs on all processes waiting for them. |
| */ |
| final void performAppGcsIfAppropriateLocked() { |
| if (canGcNowLocked()) { |
| performAppGcsLocked(); |
| return; |
| } |
| // Still not idle, wait some more. |
| scheduleAppGcsLocked(); |
| } |
| |
| /** |
| * Schedule the execution of all pending app GCs. |
| */ |
| final void scheduleAppGcsLocked() { |
| mHandler.removeMessages(GC_BACKGROUND_PROCESSES_MSG); |
| |
| if (mProcessesToGc.size() > 0) { |
| // Schedule a GC for the time to the next process. |
| ProcessRecord proc = mProcessesToGc.get(0); |
| Message msg = mHandler.obtainMessage(GC_BACKGROUND_PROCESSES_MSG); |
| |
| long when = proc.lastRequestedGc + GC_MIN_INTERVAL; |
| long now = SystemClock.uptimeMillis(); |
| if (when < (now+GC_TIMEOUT)) { |
| when = now + GC_TIMEOUT; |
| } |
| mHandler.sendMessageAtTime(msg, when); |
| } |
| } |
| |
| /** |
| * Add a process to the array of processes waiting to be GCed. Keeps the |
| * list in sorted order by the last GC time. The process can't already be |
| * on the list. |
| */ |
| final void addProcessToGcListLocked(ProcessRecord proc) { |
| boolean added = false; |
| for (int i=mProcessesToGc.size()-1; i>=0; i--) { |
| if (mProcessesToGc.get(i).lastRequestedGc < |
| proc.lastRequestedGc) { |
| added = true; |
| mProcessesToGc.add(i+1, proc); |
| break; |
| } |
| } |
| if (!added) { |
| mProcessesToGc.add(0, proc); |
| } |
| } |
| |
| /** |
| * Set up to ask a process to GC itself. This will either do it |
| * immediately, or put it on the list of processes to gc the next |
| * time things are idle. |
| */ |
| final void scheduleAppGcLocked(ProcessRecord app) { |
| long now = SystemClock.uptimeMillis(); |
| if ((app.lastRequestedGc+GC_MIN_INTERVAL) > now) { |
| return; |
| } |
| if (!mProcessesToGc.contains(app)) { |
| addProcessToGcListLocked(app); |
| scheduleAppGcsLocked(); |
| } |
| } |
| |
| final void checkExcessivePowerUsageLocked(boolean doKills) { |
| updateCpuStatsNow(); |
| |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| boolean doWakeKills = doKills; |
| boolean doCpuKills = doKills; |
| if (mLastPowerCheckRealtime == 0) { |
| doWakeKills = false; |
| } |
| if (mLastPowerCheckUptime == 0) { |
| doCpuKills = false; |
| } |
| if (stats.isScreenOn()) { |
| doWakeKills = false; |
| } |
| final long curRealtime = SystemClock.elapsedRealtime(); |
| final long realtimeSince = curRealtime - mLastPowerCheckRealtime; |
| final long curUptime = SystemClock.uptimeMillis(); |
| final long uptimeSince = curUptime - mLastPowerCheckUptime; |
| mLastPowerCheckRealtime = curRealtime; |
| mLastPowerCheckUptime = curUptime; |
| if (realtimeSince < WAKE_LOCK_MIN_CHECK_DURATION) { |
| doWakeKills = false; |
| } |
| if (uptimeSince < CPU_MIN_CHECK_DURATION) { |
| doCpuKills = false; |
| } |
| int i = mLruProcesses.size(); |
| while (i > 0) { |
| i--; |
| ProcessRecord app = mLruProcesses.get(i); |
| if (!app.keeping) { |
| long wtime; |
| synchronized (stats) { |
| wtime = stats.getProcessWakeTime(app.info.uid, |
| app.pid, curRealtime); |
| } |
| long wtimeUsed = wtime - app.lastWakeTime; |
| long cputimeUsed = app.curCpuTime - app.lastCpuTime; |
| if (DEBUG_POWER) { |
| StringBuilder sb = new StringBuilder(128); |
| sb.append("Wake for "); |
| app.toShortString(sb); |
| sb.append(": over "); |
| TimeUtils.formatDuration(realtimeSince, sb); |
| sb.append(" used "); |
| TimeUtils.formatDuration(wtimeUsed, sb); |
| sb.append(" ("); |
| sb.append((wtimeUsed*100)/realtimeSince); |
| sb.append("%)"); |
| Slog.i(TAG, sb.toString()); |
| sb.setLength(0); |
| sb.append("CPU for "); |
| app.toShortString(sb); |
| sb.append(": over "); |
| TimeUtils.formatDuration(uptimeSince, sb); |
| sb.append(" used "); |
| TimeUtils.formatDuration(cputimeUsed, sb); |
| sb.append(" ("); |
| sb.append((cputimeUsed*100)/uptimeSince); |
| sb.append("%)"); |
| Slog.i(TAG, sb.toString()); |
| } |
| // If a process has held a wake lock for more |
| // than 50% of the time during this period, |
| // that sounds bad. Kill! |
| if (doWakeKills && realtimeSince > 0 |
| && ((wtimeUsed*100)/realtimeSince) >= 50) { |
| synchronized (stats) { |
| stats.reportExcessiveWakeLocked(app.info.uid, app.processName, |
| realtimeSince, wtimeUsed); |
| } |
| Slog.w(TAG, "Excessive wake lock in " + app.processName |
| + " (pid " + app.pid + "): held " + wtimeUsed |
| + " during " + realtimeSince); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "excessive wake lock"); |
| Process.killProcessQuiet(app.pid); |
| } else if (doCpuKills && uptimeSince > 0 |
| && ((cputimeUsed*100)/uptimeSince) >= 50) { |
| synchronized (stats) { |
| stats.reportExcessiveCpuLocked(app.info.uid, app.processName, |
| uptimeSince, cputimeUsed); |
| } |
| Slog.w(TAG, "Excessive CPU in " + app.processName |
| + " (pid " + app.pid + "): used " + cputimeUsed |
| + " during " + uptimeSince); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "excessive cpu"); |
| Process.killProcessQuiet(app.pid); |
| } else { |
| app.lastWakeTime = wtime; |
| app.lastCpuTime = app.curCpuTime; |
| } |
| } |
| } |
| } |
| |
| private final boolean updateOomAdjLocked(ProcessRecord app, int hiddenAdj, |
| int clientHiddenAdj, int emptyAdj, ProcessRecord TOP_APP, boolean doingAll) { |
| app.hiddenAdj = hiddenAdj; |
| app.clientHiddenAdj = clientHiddenAdj; |
| app.emptyAdj = emptyAdj; |
| |
| if (app.thread == null) { |
| return false; |
| } |
| |
| final boolean wasKeeping = app.keeping; |
| |
| boolean success = true; |
| |
| computeOomAdjLocked(app, hiddenAdj, clientHiddenAdj, emptyAdj, TOP_APP, false, doingAll); |
| |
| if (app.curRawAdj != app.setRawAdj) { |
| if (wasKeeping && !app.keeping) { |
| // This app is no longer something we want to keep. Note |
| // its current wake lock time to later know to kill it if |
| // it is not behaving well. |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| app.lastWakeTime = stats.getProcessWakeTime(app.info.uid, |
| app.pid, SystemClock.elapsedRealtime()); |
| } |
| app.lastCpuTime = app.curCpuTime; |
| } |
| |
| app.setRawAdj = app.curRawAdj; |
| } |
| |
| if (app.curAdj != app.setAdj) { |
| if (Process.setOomAdj(app.pid, app.curAdj)) { |
| if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v( |
| TAG, "Set " + app.pid + " " + app.processName + |
| " adj " + app.curAdj + ": " + app.adjType); |
| app.setAdj = app.curAdj; |
| } else { |
| success = false; |
| Slog.w(TAG, "Failed setting oom adj of " + app + " to " + app.curAdj); |
| } |
| } |
| if (app.setSchedGroup != app.curSchedGroup) { |
| app.setSchedGroup = app.curSchedGroup; |
| if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG, |
| "Setting process group of " + app.processName |
| + " to " + app.curSchedGroup); |
| if (app.waitingToKill != null && |
| app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) { |
| Slog.i(TAG, "Killing " + app.toShortString() + ": " + app.waitingToKill); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, app.waitingToKill); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| success = false; |
| } else { |
| if (true) { |
| long oldId = Binder.clearCallingIdentity(); |
| try { |
| Process.setProcessGroup(app.pid, app.curSchedGroup); |
| } catch (Exception e) { |
| Slog.w(TAG, "Failed setting process group of " + app.pid |
| + " to " + app.curSchedGroup); |
| e.printStackTrace(); |
| } finally { |
| Binder.restoreCallingIdentity(oldId); |
| } |
| } else { |
| if (app.thread != null) { |
| try { |
| app.thread.setSchedulingGroup(app.curSchedGroup); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| } |
| } |
| return success; |
| } |
| |
| private final ActivityRecord resumedAppLocked() { |
| return mStackSupervisor.resumedAppLocked(); |
| } |
| |
| final boolean updateOomAdjLocked(ProcessRecord app) { |
| final ActivityRecord TOP_ACT = resumedAppLocked(); |
| final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; |
| int curAdj = app.curAdj; |
| final boolean wasHidden = curAdj >= ProcessList.HIDDEN_APP_MIN_ADJ |
| && curAdj <= ProcessList.HIDDEN_APP_MAX_ADJ; |
| |
| mAdjSeq++; |
| |
| boolean success = updateOomAdjLocked(app, app.hiddenAdj, app.clientHiddenAdj, |
| app.emptyAdj, TOP_APP, false); |
| final boolean nowHidden = app.curAdj >= ProcessList.HIDDEN_APP_MIN_ADJ |
| && app.curAdj <= ProcessList.HIDDEN_APP_MAX_ADJ; |
| if (nowHidden != wasHidden) { |
| // Changed to/from hidden state, so apps after it in the LRU |
| // list may also be changed. |
| updateOomAdjLocked(); |
| } |
| return success; |
| } |
| |
| final void updateOomAdjLocked() { |
| final ActivityRecord TOP_ACT = resumedAppLocked(); |
| final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; |
| final long oldTime = SystemClock.uptimeMillis() - ProcessList.MAX_EMPTY_TIME; |
| |
| if (false) { |
| RuntimeException e = new RuntimeException(); |
| e.fillInStackTrace(); |
| Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); |
| } |
| |
| mAdjSeq++; |
| mNewNumServiceProcs = 0; |
| |
| final int emptyProcessLimit; |
| final int hiddenProcessLimit; |
| if (mProcessLimit <= 0) { |
| emptyProcessLimit = hiddenProcessLimit = 0; |
| } else if (mProcessLimit == 1) { |
| emptyProcessLimit = 1; |
| hiddenProcessLimit = 0; |
| } else { |
| emptyProcessLimit = (mProcessLimit*2)/3; |
| hiddenProcessLimit = mProcessLimit - emptyProcessLimit; |
| } |
| |
| // Let's determine how many processes we have running vs. |
| // how many slots we have for background processes; we may want |
| // to put multiple processes in a slot of there are enough of |
| // them. |
| int numSlots = (ProcessList.HIDDEN_APP_MAX_ADJ |
| - ProcessList.HIDDEN_APP_MIN_ADJ + 1) / 2; |
| int numEmptyProcs = mLruProcesses.size()-mNumNonHiddenProcs-mNumHiddenProcs; |
| if (numEmptyProcs > hiddenProcessLimit) { |
| // If there are more empty processes than our limit on hidden |
| // processes, then use the hidden process limit for the factor. |
| // This ensures that the really old empty processes get pushed |
| // down to the bottom, so if we are running low on memory we will |
| // have a better chance at keeping around more hidden processes |
| // instead of a gazillion empty processes. |
| numEmptyProcs = hiddenProcessLimit; |
| } |
| int emptyFactor = numEmptyProcs/numSlots; |
| if (emptyFactor < 1) emptyFactor = 1; |
| int hiddenFactor = (mNumHiddenProcs > 0 ? mNumHiddenProcs : 1)/numSlots; |
| if (hiddenFactor < 1) hiddenFactor = 1; |
| int stepHidden = 0; |
| int stepEmpty = 0; |
| int numHidden = 0; |
| int numEmpty = 0; |
| int numTrimming = 0; |
| |
| mNumNonHiddenProcs = 0; |
| mNumHiddenProcs = 0; |
| |
| // First update the OOM adjustment for each of the |
| // application processes based on their current state. |
| int i = mLruProcesses.size(); |
| int curHiddenAdj = ProcessList.HIDDEN_APP_MIN_ADJ; |
| int nextHiddenAdj = curHiddenAdj+1; |
| int curEmptyAdj = ProcessList.HIDDEN_APP_MIN_ADJ; |
| int nextEmptyAdj = curEmptyAdj+2; |
| int curClientHiddenAdj = curEmptyAdj; |
| while (i > 0) { |
| i--; |
| ProcessRecord app = mLruProcesses.get(i); |
| //Slog.i(TAG, "OOM " + app + ": cur hidden=" + curHiddenAdj); |
| updateOomAdjLocked(app, curHiddenAdj, curClientHiddenAdj, curEmptyAdj, TOP_APP, true); |
| if (!app.killedBackground) { |
| if (app.curRawAdj == curHiddenAdj && app.hasActivities) { |
| // This process was assigned as a hidden process... step the |
| // hidden level. |
| mNumHiddenProcs++; |
| if (curHiddenAdj != nextHiddenAdj) { |
| stepHidden++; |
| if (stepHidden >= hiddenFactor) { |
| stepHidden = 0; |
| curHiddenAdj = nextHiddenAdj; |
| nextHiddenAdj += 2; |
| if (nextHiddenAdj > ProcessList.HIDDEN_APP_MAX_ADJ) { |
| nextHiddenAdj = ProcessList.HIDDEN_APP_MAX_ADJ; |
| } |
| if (curClientHiddenAdj <= curHiddenAdj) { |
| curClientHiddenAdj = curHiddenAdj + 1; |
| if (curClientHiddenAdj > ProcessList.HIDDEN_APP_MAX_ADJ) { |
| curClientHiddenAdj = ProcessList.HIDDEN_APP_MAX_ADJ; |
| } |
| } |
| } |
| } |
| numHidden++; |
| if (numHidden > hiddenProcessLimit) { |
| Slog.i(TAG, "No longer want " + app.processName |
| + " (pid " + app.pid + "): hidden #" + numHidden); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "too many background"); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| } |
| } else if (app.curRawAdj == curHiddenAdj && app.hasClientActivities) { |
| // This process has a client that has activities. We will have |
| // given it the current hidden adj; here we will just leave it |
| // without stepping the hidden adj. |
| curClientHiddenAdj++; |
| if (curClientHiddenAdj > ProcessList.HIDDEN_APP_MAX_ADJ) { |
| curClientHiddenAdj = ProcessList.HIDDEN_APP_MAX_ADJ; |
| } |
| } else { |
| if (app.curRawAdj == curEmptyAdj || app.curRawAdj == curHiddenAdj) { |
| // This process was assigned as an empty process... step the |
| // empty level. |
| if (curEmptyAdj != nextEmptyAdj) { |
| stepEmpty++; |
| if (stepEmpty >= emptyFactor) { |
| stepEmpty = 0; |
| curEmptyAdj = nextEmptyAdj; |
| nextEmptyAdj += 2; |
| if (nextEmptyAdj > ProcessList.HIDDEN_APP_MAX_ADJ) { |
| nextEmptyAdj = ProcessList.HIDDEN_APP_MAX_ADJ; |
| } |
| } |
| } |
| } else if (app.curRawAdj < ProcessList.HIDDEN_APP_MIN_ADJ) { |
| mNumNonHiddenProcs++; |
| } |
| if (app.curAdj >= ProcessList.HIDDEN_APP_MIN_ADJ |
| && !app.hasClientActivities) { |
| if (numEmpty > ProcessList.TRIM_EMPTY_APPS |
| && app.lastActivityTime < oldTime) { |
| Slog.i(TAG, "No longer want " + app.processName |
| + " (pid " + app.pid + "): empty for " |
| + ((oldTime+ProcessList.MAX_EMPTY_TIME-app.lastActivityTime) |
| / 1000) + "s"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "old background process"); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| } else { |
| numEmpty++; |
| if (numEmpty > emptyProcessLimit) { |
| Slog.i(TAG, "No longer want " + app.processName |
| + " (pid " + app.pid + "): empty #" + numEmpty); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "too many background"); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| } |
| } |
| } |
| } |
| if (app.isolated && app.services.size() <= 0) { |
| // If this is an isolated process, and there are no |
| // services running in it, then the process is no longer |
| // needed. We agressively kill these because we can by |
| // definition not re-use the same process again, and it is |
| // good to avoid having whatever code was running in them |
| // left sitting around after no longer needed. |
| Slog.i(TAG, "Isolated process " + app.processName |
| + " (pid " + app.pid + ") no longer needed"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "isolated not needed"); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| } |
| if (app.nonStoppingAdj >= ProcessList.HOME_APP_ADJ |
| && app.nonStoppingAdj != ProcessList.SERVICE_B_ADJ |
| && !app.killedBackground) { |
| numTrimming++; |
| } |
| } |
| } |
| |
| mNumServiceProcs = mNewNumServiceProcs; |
| |
| // Now determine the memory trimming level of background processes. |
| // Unfortunately we need to start at the back of the list to do this |
| // properly. We only do this if the number of background apps we |
| // are managing to keep around is less than half the maximum we desire; |
| // if we are keeping a good number around, we'll let them use whatever |
| // memory they want. |
| if (numHidden <= ProcessList.TRIM_HIDDEN_APPS |
| && numEmpty <= ProcessList.TRIM_EMPTY_APPS) { |
| final int numHiddenAndEmpty = numHidden + numEmpty; |
| final int N = mLruProcesses.size(); |
| int factor = numTrimming/3; |
| int minFactor = 2; |
| if (mHomeProcess != null) minFactor++; |
| if (mPreviousProcess != null) minFactor++; |
| if (factor < minFactor) factor = minFactor; |
| int step = 0; |
| int fgTrimLevel; |
| if (numHiddenAndEmpty <= ProcessList.TRIM_CRITICAL_THRESHOLD) { |
| fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL; |
| } else if (numHiddenAndEmpty <= ProcessList.TRIM_LOW_THRESHOLD) { |
| fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW; |
| } else { |
| fgTrimLevel = ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE; |
| } |
| int curLevel = ComponentCallbacks2.TRIM_MEMORY_COMPLETE; |
| for (i=0; i<N; i++) { |
| ProcessRecord app = mLruProcesses.get(i); |
| if (app.nonStoppingAdj >= ProcessList.HOME_APP_ADJ |
| && app.nonStoppingAdj != ProcessList.SERVICE_B_ADJ |
| && !app.killedBackground) { |
| if (app.trimMemoryLevel < curLevel && app.thread != null) { |
| try { |
| app.thread.scheduleTrimMemory(curLevel); |
| } catch (RemoteException e) { |
| } |
| if (false) { |
| // For now we won't do this; our memory trimming seems |
| // to be good enough at this point that destroying |
| // activities causes more harm than good. |
| if (curLevel >= ComponentCallbacks2.TRIM_MEMORY_COMPLETE |
| && app != mHomeProcess && app != mPreviousProcess) { |
| // Need to do this on its own message because the stack may not |
| // be in a consistent state at this point. |
| // For these apps we will also finish their activities |
| // to help them free memory. |
| mStackSupervisor.scheduleDestroyAllActivities(app, "trim"); |
| } |
| } |
| } |
| app.trimMemoryLevel = curLevel; |
| step++; |
| if (step >= factor) { |
| step = 0; |
| switch (curLevel) { |
| case ComponentCallbacks2.TRIM_MEMORY_COMPLETE: |
| curLevel = ComponentCallbacks2.TRIM_MEMORY_MODERATE; |
| break; |
| case ComponentCallbacks2.TRIM_MEMORY_MODERATE: |
| curLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; |
| break; |
| } |
| } |
| } else if (app.nonStoppingAdj == ProcessList.HEAVY_WEIGHT_APP_ADJ) { |
| if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_BACKGROUND |
| && app.thread != null) { |
| try { |
| app.thread.scheduleTrimMemory( |
| ComponentCallbacks2.TRIM_MEMORY_BACKGROUND); |
| } catch (RemoteException e) { |
| } |
| } |
| app.trimMemoryLevel = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND; |
| } else { |
| if ((app.nonStoppingAdj > ProcessList.VISIBLE_APP_ADJ || app.systemNoUi) |
| && app.pendingUiClean) { |
| // If this application is now in the background and it |
| // had done UI, then give it the special trim level to |
| // have it free UI resources. |
| final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN; |
| if (app.trimMemoryLevel < level && app.thread != null) { |
| try { |
| app.thread.scheduleTrimMemory(level); |
| } catch (RemoteException e) { |
| } |
| } |
| app.pendingUiClean = false; |
| } |
| if (app.trimMemoryLevel < fgTrimLevel && app.thread != null) { |
| try { |
| app.thread.scheduleTrimMemory(fgTrimLevel); |
| } catch (RemoteException e) { |
| } |
| } |
| app.trimMemoryLevel = fgTrimLevel; |
| } |
| } |
| } else { |
| final int N = mLruProcesses.size(); |
| for (i=0; i<N; i++) { |
| ProcessRecord app = mLruProcesses.get(i); |
| if ((app.nonStoppingAdj > ProcessList.VISIBLE_APP_ADJ || app.systemNoUi) |
| && app.pendingUiClean) { |
| if (app.trimMemoryLevel < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN |
| && app.thread != null) { |
| try { |
| app.thread.scheduleTrimMemory( |
| ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN); |
| } catch (RemoteException e) { |
| } |
| } |
| app.pendingUiClean = false; |
| } |
| app.trimMemoryLevel = 0; |
| } |
| } |
| |
| if (mAlwaysFinishActivities) { |
| // Need to do this on its own message because the stack may not |
| // be in a consistent state at this point. |
| mStackSupervisor.scheduleDestroyAllActivities(null, "always-finish"); |
| } |
| } |
| |
| final void trimApplications() { |
| synchronized (this) { |
| int i; |
| |
| // First remove any unused application processes whose package |
| // has been removed. |
| for (i=mRemovedProcesses.size()-1; i>=0; i--) { |
| final ProcessRecord app = mRemovedProcesses.get(i); |
| if (app.activities.size() == 0 |
| && app.curReceiver == null && app.services.size() == 0) { |
| Slog.i( |
| TAG, "Exiting empty application process " |
| + app.processName + " (" |
| + (app.thread != null ? app.thread.asBinder() : null) |
| + ")\n"); |
| if (app.pid > 0 && app.pid != MY_PID) { |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.userId, app.pid, |
| app.processName, app.setAdj, "empty"); |
| Process.killProcessQuiet(app.pid); |
| } else { |
| try { |
| app.thread.scheduleExit(); |
| } catch (Exception e) { |
| // Ignore exceptions. |
| } |
| } |
| cleanUpApplicationRecordLocked(app, false, true, -1); |
| mRemovedProcesses.remove(i); |
| |
| if (app.persistent) { |
| if (app.persistent) { |
| addAppLocked(app.info, false); |
| } |
| } |
| } |
| } |
| |
| // Now update the oom adj for all processes. |
| updateOomAdjLocked(); |
| } |
| } |
| |
| /** This method sends the specified signal to each of the persistent apps */ |
| public void signalPersistentProcesses(int sig) throws RemoteException { |
| if (sig != Process.SIGNAL_USR1) { |
| throw new SecurityException("Only SIGNAL_USR1 is allowed"); |
| } |
| |
| synchronized (this) { |
| if (checkCallingPermission(android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.SIGNAL_PERSISTENT_PROCESSES); |
| } |
| |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null && r.persistent) { |
| Process.sendSignal(r.pid, sig); |
| } |
| } |
| } |
| } |
| |
| private void stopProfilerLocked(ProcessRecord proc, String path, int profileType) { |
| if (proc == null || proc == mProfileProc) { |
| proc = mProfileProc; |
| path = mProfileFile; |
| profileType = mProfileType; |
| clearProfilerLocked(); |
| } |
| if (proc == null) { |
| return; |
| } |
| try { |
| proc.thread.profilerControl(false, path, null, profileType); |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Process disappeared"); |
| } |
| } |
| |
| private void clearProfilerLocked() { |
| if (mProfileFd != null) { |
| try { |
| mProfileFd.close(); |
| } catch (IOException e) { |
| } |
| } |
| mProfileApp = null; |
| mProfileProc = null; |
| mProfileFile = null; |
| mProfileType = 0; |
| mAutoStopProfiler = false; |
| } |
| |
| public boolean profileControl(String process, int userId, boolean start, |
| String path, ParcelFileDescriptor fd, int profileType) throws RemoteException { |
| |
| try { |
| synchronized (this) { |
| // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to |
| // its own permission. |
| if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.SET_ACTIVITY_WATCHER); |
| } |
| |
| if (start && fd == null) { |
| throw new IllegalArgumentException("null fd"); |
| } |
| |
| ProcessRecord proc = null; |
| if (process != null) { |
| proc = findProcessLocked(process, userId, "profileControl"); |
| } |
| |
| if (start && (proc == null || proc.thread == null)) { |
| throw new IllegalArgumentException("Unknown process: " + process); |
| } |
| |
| if (start) { |
| stopProfilerLocked(null, null, 0); |
| setProfileApp(proc.info, proc.processName, path, fd, false); |
| mProfileProc = proc; |
| mProfileType = profileType; |
| try { |
| fd = fd.dup(); |
| } catch (IOException e) { |
| fd = null; |
| } |
| proc.thread.profilerControl(start, path, fd, profileType); |
| fd = null; |
| mProfileFd = null; |
| } else { |
| stopProfilerLocked(proc, path, profileType); |
| if (fd != null) { |
| try { |
| fd.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| |
| return true; |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Process disappeared"); |
| } finally { |
| if (fd != null) { |
| try { |
| fd.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |
| |
| private ProcessRecord findProcessLocked(String process, int userId, String callName) { |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), |
| userId, true, true, callName, null); |
| ProcessRecord proc = null; |
| try { |
| int pid = Integer.parseInt(process); |
| synchronized (mPidsSelfLocked) { |
| proc = mPidsSelfLocked.get(pid); |
| } |
| } catch (NumberFormatException e) { |
| } |
| |
| if (proc == null) { |
| HashMap<String, SparseArray<ProcessRecord>> all |
| = mProcessNames.getMap(); |
| SparseArray<ProcessRecord> procs = all.get(process); |
| if (procs != null && procs.size() > 0) { |
| proc = procs.valueAt(0); |
| if (userId != UserHandle.USER_ALL && proc.userId != userId) { |
| for (int i=1; i<procs.size(); i++) { |
| ProcessRecord thisProc = procs.valueAt(i); |
| if (thisProc.userId == userId) { |
| proc = thisProc; |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| return proc; |
| } |
| |
| public boolean dumpHeap(String process, int userId, boolean managed, |
| String path, ParcelFileDescriptor fd) throws RemoteException { |
| |
| try { |
| synchronized (this) { |
| // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to |
| // its own permission (same as profileControl). |
| if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("Requires permission " |
| + android.Manifest.permission.SET_ACTIVITY_WATCHER); |
| } |
| |
| if (fd == null) { |
| throw new IllegalArgumentException("null fd"); |
| } |
| |
| ProcessRecord proc = findProcessLocked(process, userId, "dumpHeap"); |
| if (proc == null || proc.thread == null) { |
| throw new IllegalArgumentException("Unknown process: " + process); |
| } |
| |
| boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); |
| if (!isDebuggable) { |
| if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) { |
| throw new SecurityException("Process not debuggable: " + proc); |
| } |
| } |
| |
| proc.thread.dumpHeap(managed, path, fd); |
| fd = null; |
| return true; |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Process disappeared"); |
| } finally { |
| if (fd != null) { |
| try { |
| fd.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |
| |
| /** In this method we try to acquire our lock to make sure that we have not deadlocked */ |
| public void monitor() { |
| synchronized (this) { } |
| } |
| |
| void onCoreSettingsChange(Bundle settings) { |
| for (int i = mLruProcesses.size() - 1; i >= 0; i--) { |
| ProcessRecord processRecord = mLruProcesses.get(i); |
| try { |
| if (processRecord.thread != null) { |
| processRecord.thread.setCoreSettings(settings); |
| } |
| } catch (RemoteException re) { |
| /* ignore */ |
| } |
| } |
| } |
| |
| // Multi-user methods |
| |
| @Override |
| public boolean switchUser(final int userId) { |
| if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: switchUser() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (this) { |
| final int oldUserId = mCurrentUserId; |
| if (oldUserId == userId) { |
| return true; |
| } |
| |
| final UserInfo userInfo = getUserManagerLocked().getUserInfo(userId); |
| if (userInfo == null) { |
| Slog.w(TAG, "No user info for user #" + userId); |
| return false; |
| } |
| |
| mWindowManager.startFreezingScreen(R.anim.screen_user_exit, |
| R.anim.screen_user_enter); |
| |
| boolean needStart = false; |
| |
| // If the user we are switching to is not currently started, then |
| // we need to start it now. |
| if (mStartedUsers.get(userId) == null) { |
| mStartedUsers.put(userId, new UserStartedState(new UserHandle(userId), false)); |
| updateStartedUserArrayLocked(); |
| needStart = true; |
| } |
| |
| mCurrentUserId = userId; |
| final Integer userIdInt = Integer.valueOf(userId); |
| mUserLru.remove(userIdInt); |
| mUserLru.add(userIdInt); |
| |
| mWindowManager.setCurrentUser(userId); |
| |
| // Once the internal notion of the active user has switched, we lock the device |
| // with the option to show the user switcher on the keyguard. |
| mWindowManager.lockNow(null); |
| |
| final UserStartedState uss = mStartedUsers.get(userId); |
| |
| // Make sure user is in the started state. If it is currently |
| // stopping, we need to knock that off. |
| if (uss.mState == UserStartedState.STATE_STOPPING) { |
| // If we are stopping, we haven't sent ACTION_SHUTDOWN, |
| // so we can just fairly silently bring the user back from |
| // the almost-dead. |
| uss.mState = UserStartedState.STATE_RUNNING; |
| updateStartedUserArrayLocked(); |
| needStart = true; |
| } else if (uss.mState == UserStartedState.STATE_SHUTDOWN) { |
| // This means ACTION_SHUTDOWN has been sent, so we will |
| // need to treat this as a new boot of the user. |
| uss.mState = UserStartedState.STATE_BOOTING; |
| updateStartedUserArrayLocked(); |
| needStart = true; |
| } |
| |
| mHandler.removeMessages(REPORT_USER_SWITCH_MSG); |
| mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); |
| mHandler.sendMessage(mHandler.obtainMessage(REPORT_USER_SWITCH_MSG, |
| oldUserId, userId, uss)); |
| mHandler.sendMessageDelayed(mHandler.obtainMessage(USER_SWITCH_TIMEOUT_MSG, |
| oldUserId, userId, uss), USER_SWITCH_TIMEOUT); |
| if (needStart) { |
| Intent intent = new Intent(Intent.ACTION_USER_STARTED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, userId); |
| } |
| |
| if ((userInfo.flags&UserInfo.FLAG_INITIALIZED) == 0) { |
| if (userId != 0) { |
| Intent intent = new Intent(Intent.ACTION_USER_INITIALIZE); |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| broadcastIntentLocked(null, null, intent, null, |
| new IIntentReceiver.Stub() { |
| public void performReceive(Intent intent, int resultCode, |
| String data, Bundle extras, boolean ordered, |
| boolean sticky, int sendingUser) { |
| userInitialized(uss, userId); |
| } |
| }, 0, null, null, null, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, |
| userId); |
| uss.initializing = true; |
| } else { |
| getUserManagerLocked().makeInitialized(userInfo.id); |
| } |
| } |
| |
| boolean haveActivities = mStackSupervisor.switchUserLocked(userId, uss); |
| if (!haveActivities) { |
| startHomeActivityLocked(userId); |
| } |
| |
| EventLogTags.writeAmSwitchUser(userId); |
| getUserManagerLocked().userForeground(userId); |
| sendUserSwitchBroadcastsLocked(oldUserId, userId); |
| if (needStart) { |
| Intent intent = new Intent(Intent.ACTION_USER_STARTING); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| broadcastIntentLocked(null, null, intent, |
| null, new IIntentReceiver.Stub() { |
| @Override |
| public void performReceive(Intent intent, int resultCode, String data, |
| Bundle extras, boolean ordered, boolean sticky, int sendingUser) |
| throws RemoteException { |
| } |
| }, 0, null, null, |
| android.Manifest.permission.INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return true; |
| } |
| |
| void sendUserSwitchBroadcastsLocked(int oldUserId, int newUserId) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| Intent intent; |
| if (oldUserId >= 0) { |
| intent = new Intent(Intent.ACTION_USER_BACKGROUND); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, oldUserId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, oldUserId); |
| } |
| if (newUserId >= 0) { |
| intent = new Intent(Intent.ACTION_USER_FOREGROUND); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, newUserId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, newUserId); |
| intent = new Intent(Intent.ACTION_USER_SWITCHED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, newUserId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, |
| android.Manifest.permission.MANAGE_USERS, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| void dispatchUserSwitch(final UserStartedState uss, final int oldUserId, |
| final int newUserId) { |
| final int N = mUserSwitchObservers.beginBroadcast(); |
| if (N > 0) { |
| final IRemoteCallback callback = new IRemoteCallback.Stub() { |
| int mCount = 0; |
| @Override |
| public void sendResult(Bundle data) throws RemoteException { |
| synchronized (ActivityManagerService.this) { |
| if (mCurUserSwitchCallback == this) { |
| mCount++; |
| if (mCount == N) { |
| sendContinueUserSwitchLocked(uss, oldUserId, newUserId); |
| } |
| } |
| } |
| } |
| }; |
| synchronized (this) { |
| uss.switching = true; |
| mCurUserSwitchCallback = callback; |
| } |
| for (int i=0; i<N; i++) { |
| try { |
| mUserSwitchObservers.getBroadcastItem(i).onUserSwitching( |
| newUserId, callback); |
| } catch (RemoteException e) { |
| } |
| } |
| } else { |
| synchronized (this) { |
| sendContinueUserSwitchLocked(uss, oldUserId, newUserId); |
| } |
| } |
| mUserSwitchObservers.finishBroadcast(); |
| } |
| |
| void timeoutUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { |
| synchronized (this) { |
| Slog.w(TAG, "User switch timeout: from " + oldUserId + " to " + newUserId); |
| sendContinueUserSwitchLocked(uss, oldUserId, newUserId); |
| } |
| } |
| |
| void sendContinueUserSwitchLocked(UserStartedState uss, int oldUserId, int newUserId) { |
| mCurUserSwitchCallback = null; |
| mHandler.removeMessages(USER_SWITCH_TIMEOUT_MSG); |
| mHandler.sendMessage(mHandler.obtainMessage(CONTINUE_USER_SWITCH_MSG, |
| oldUserId, newUserId, uss)); |
| } |
| |
| void userInitialized(UserStartedState uss, int newUserId) { |
| completeSwitchAndInitalize(uss, newUserId, true, false); |
| } |
| |
| void continueUserSwitch(UserStartedState uss, int oldUserId, int newUserId) { |
| completeSwitchAndInitalize(uss, newUserId, false, true); |
| } |
| |
| void completeSwitchAndInitalize(UserStartedState uss, int newUserId, |
| boolean clearInitializing, boolean clearSwitching) { |
| boolean unfrozen = false; |
| synchronized (this) { |
| if (clearInitializing) { |
| uss.initializing = false; |
| getUserManagerLocked().makeInitialized(uss.mHandle.getIdentifier()); |
| } |
| if (clearSwitching) { |
| uss.switching = false; |
| } |
| if (!uss.switching && !uss.initializing) { |
| mWindowManager.stopFreezingScreen(); |
| unfrozen = true; |
| } |
| } |
| if (unfrozen) { |
| final int N = mUserSwitchObservers.beginBroadcast(); |
| for (int i=0; i<N; i++) { |
| try { |
| mUserSwitchObservers.getBroadcastItem(i).onUserSwitchComplete(newUserId); |
| } catch (RemoteException e) { |
| } |
| } |
| mUserSwitchObservers.finishBroadcast(); |
| } |
| } |
| |
| void finishUserSwitch(UserStartedState uss) { |
| synchronized (this) { |
| if (uss.mState == UserStartedState.STATE_BOOTING |
| && mStartedUsers.get(uss.mHandle.getIdentifier()) == uss) { |
| uss.mState = UserStartedState.STATE_RUNNING; |
| final int userId = uss.mHandle.getIdentifier(); |
| Intent intent = new Intent(Intent.ACTION_BOOT_COMPLETED, null); |
| intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, |
| android.Manifest.permission.RECEIVE_BOOT_COMPLETED, AppOpsManager.OP_NONE, |
| false, false, MY_PID, Process.SYSTEM_UID, userId); |
| } |
| int num = mUserLru.size(); |
| int i = 0; |
| while (num > MAX_RUNNING_USERS && i < mUserLru.size()) { |
| Integer oldUserId = mUserLru.get(i); |
| UserStartedState oldUss = mStartedUsers.get(oldUserId); |
| if (oldUss == null) { |
| // Shouldn't happen, but be sane if it does. |
| mUserLru.remove(i); |
| num--; |
| continue; |
| } |
| if (oldUss.mState == UserStartedState.STATE_STOPPING |
| || oldUss.mState == UserStartedState.STATE_SHUTDOWN) { |
| // This user is already stopping, doesn't count. |
| num--; |
| i++; |
| continue; |
| } |
| if (oldUserId == UserHandle.USER_OWNER || oldUserId == mCurrentUserId) { |
| // Owner and current can't be stopped, but count as running. |
| i++; |
| continue; |
| } |
| // This is a user to be stopped. |
| stopUserLocked(oldUserId, null); |
| num--; |
| i++; |
| } |
| } |
| } |
| |
| @Override |
| public int stopUser(final int userId, final IStopUserCallback callback) { |
| if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: switchUser() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| if (userId <= 0) { |
| throw new IllegalArgumentException("Can't stop primary user " + userId); |
| } |
| synchronized (this) { |
| return stopUserLocked(userId, callback); |
| } |
| } |
| |
| private int stopUserLocked(final int userId, final IStopUserCallback callback) { |
| if (mCurrentUserId == userId) { |
| return ActivityManager.USER_OP_IS_CURRENT; |
| } |
| |
| final UserStartedState uss = mStartedUsers.get(userId); |
| if (uss == null) { |
| // User is not started, nothing to do... but we do need to |
| // callback if requested. |
| if (callback != null) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| callback.userStopped(userId); |
| } catch (RemoteException e) { |
| } |
| } |
| }); |
| } |
| return ActivityManager.USER_OP_SUCCESS; |
| } |
| |
| if (callback != null) { |
| uss.mStopCallbacks.add(callback); |
| } |
| |
| if (uss.mState != UserStartedState.STATE_STOPPING |
| && uss.mState != UserStartedState.STATE_SHUTDOWN) { |
| uss.mState = UserStartedState.STATE_STOPPING; |
| updateStartedUserArrayLocked(); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // We are going to broadcast ACTION_USER_STOPPING and then |
| // once that is done send a final ACTION_SHUTDOWN and then |
| // stop the user. |
| final Intent stoppingIntent = new Intent(Intent.ACTION_USER_STOPPING); |
| stoppingIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| stoppingIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN); |
| // This is the result receiver for the final shutdown broadcast. |
| final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() { |
| @Override |
| public void performReceive(Intent intent, int resultCode, String data, |
| Bundle extras, boolean ordered, boolean sticky, int sendingUser) { |
| finishUserStop(uss); |
| } |
| }; |
| // This is the result receiver for the initial stopping broadcast. |
| final IIntentReceiver stoppingReceiver = new IIntentReceiver.Stub() { |
| @Override |
| public void performReceive(Intent intent, int resultCode, String data, |
| Bundle extras, boolean ordered, boolean sticky, int sendingUser) { |
| // On to the next. |
| synchronized (ActivityManagerService.this) { |
| if (uss.mState != UserStartedState.STATE_STOPPING) { |
| // Whoops, we are being started back up. Abort, abort! |
| return; |
| } |
| uss.mState = UserStartedState.STATE_SHUTDOWN; |
| } |
| broadcastIntentLocked(null, null, shutdownIntent, |
| null, shutdownReceiver, 0, null, null, null, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, userId); |
| } |
| }; |
| // Kick things off. |
| broadcastIntentLocked(null, null, stoppingIntent, |
| null, stoppingReceiver, 0, null, null, |
| android.Manifest.permission.INTERACT_ACROSS_USERS, AppOpsManager.OP_NONE, |
| true, false, MY_PID, Process.SYSTEM_UID, UserHandle.USER_ALL); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| return ActivityManager.USER_OP_SUCCESS; |
| } |
| |
| void finishUserStop(UserStartedState uss) { |
| final int userId = uss.mHandle.getIdentifier(); |
| boolean stopped; |
| ArrayList<IStopUserCallback> callbacks; |
| synchronized (this) { |
| callbacks = new ArrayList<IStopUserCallback>(uss.mStopCallbacks); |
| if (mStartedUsers.get(userId) != uss) { |
| stopped = false; |
| } else if (uss.mState != UserStartedState.STATE_SHUTDOWN) { |
| stopped = false; |
| } else { |
| stopped = true; |
| // User can no longer run. |
| mStartedUsers.remove(userId); |
| mUserLru.remove(Integer.valueOf(userId)); |
| updateStartedUserArrayLocked(); |
| |
| // Clean up all state and processes associated with the user. |
| // Kill all the processes for the user. |
| forceStopUserLocked(userId); |
| } |
| } |
| |
| for (int i=0; i<callbacks.size(); i++) { |
| try { |
| if (stopped) callbacks.get(i).userStopped(userId); |
| else callbacks.get(i).userStopAborted(userId); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| @Override |
| public UserInfo getCurrentUser() { |
| if ((checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS) |
| != PackageManager.PERMISSION_GRANTED) && ( |
| checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED)) { |
| String msg = "Permission Denial: getCurrentUser() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| synchronized (this) { |
| return getUserManagerLocked().getUserInfo(mCurrentUserId); |
| } |
| } |
| |
| int getCurrentUserIdLocked() { |
| return mCurrentUserId; |
| } |
| |
| @Override |
| public boolean isUserRunning(int userId, boolean orStopped) { |
| if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: isUserRunning() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| synchronized (this) { |
| return isUserRunningLocked(userId, orStopped); |
| } |
| } |
| |
| boolean isUserRunningLocked(int userId, boolean orStopped) { |
| UserStartedState state = mStartedUsers.get(userId); |
| if (state == null) { |
| return false; |
| } |
| if (orStopped) { |
| return true; |
| } |
| return state.mState != UserStartedState.STATE_STOPPING |
| && state.mState != UserStartedState.STATE_SHUTDOWN; |
| } |
| |
| @Override |
| public int[] getRunningUserIds() { |
| if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: isUserRunning() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| synchronized (this) { |
| return mStartedUserArray; |
| } |
| } |
| |
| private void updateStartedUserArrayLocked() { |
| int num = 0; |
| for (int i=0; i<mStartedUsers.size(); i++) { |
| UserStartedState uss = mStartedUsers.valueAt(i); |
| // This list does not include stopping users. |
| if (uss.mState != UserStartedState.STATE_STOPPING |
| && uss.mState != UserStartedState.STATE_SHUTDOWN) { |
| num++; |
| } |
| } |
| mStartedUserArray = new int[num]; |
| num = 0; |
| for (int i=0; i<mStartedUsers.size(); i++) { |
| UserStartedState uss = mStartedUsers.valueAt(i); |
| if (uss.mState != UserStartedState.STATE_STOPPING |
| && uss.mState != UserStartedState.STATE_SHUTDOWN) { |
| mStartedUserArray[num] = mStartedUsers.keyAt(i); |
| num++; |
| } |
| } |
| } |
| |
| @Override |
| public void registerUserSwitchObserver(IUserSwitchObserver observer) { |
| if (checkCallingPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL) |
| != PackageManager.PERMISSION_GRANTED) { |
| String msg = "Permission Denial: registerUserSwitchObserver() from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| mUserSwitchObservers.register(observer); |
| } |
| |
| @Override |
| public void unregisterUserSwitchObserver(IUserSwitchObserver observer) { |
| mUserSwitchObservers.unregister(observer); |
| } |
| |
| private boolean userExists(int userId) { |
| if (userId == 0) { |
| return true; |
| } |
| UserManagerService ums = getUserManagerLocked(); |
| return ums != null ? (ums.getUserInfo(userId) != null) : false; |
| } |
| |
| int[] getUsersLocked() { |
| UserManagerService ums = getUserManagerLocked(); |
| return ums != null ? ums.getUserIds() : new int[] { 0 }; |
| } |
| |
| UserManagerService getUserManagerLocked() { |
| if (mUserManager == null) { |
| IBinder b = ServiceManager.getService(Context.USER_SERVICE); |
| mUserManager = (UserManagerService)IUserManager.Stub.asInterface(b); |
| } |
| return mUserManager; |
| } |
| |
| private void checkValidCaller(int uid, int userId) { |
| if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) return; |
| |
| throw new SecurityException("Caller uid=" + uid |
| + " is not privileged to communicate with user=" + userId); |
| } |
| |
| private int applyUserId(int uid, int userId) { |
| return UserHandle.getUid(userId, uid); |
| } |
| |
| ApplicationInfo getAppInfoForUser(ApplicationInfo info, int userId) { |
| if (info == null) return null; |
| ApplicationInfo newInfo = new ApplicationInfo(info); |
| newInfo.uid = applyUserId(info.uid, userId); |
| newInfo.dataDir = USER_DATA_DIR + userId + "/" |
| + info.packageName; |
| return newInfo; |
| } |
| |
| ActivityInfo getActivityInfoForUser(ActivityInfo aInfo, int userId) { |
| if (aInfo == null |
| || (userId < 1 && aInfo.applicationInfo.uid < UserHandle.PER_USER_RANGE)) { |
| return aInfo; |
| } |
| |
| ActivityInfo info = new ActivityInfo(aInfo); |
| info.applicationInfo = getAppInfoForUser(info.applicationInfo, userId); |
| return info; |
| } |
| } |