| /* |
| * 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 com.android.internal.R; |
| import com.android.internal.os.BatteryStatsImpl; |
| import com.android.server.AttributeCache; |
| import com.android.server.IntentResolver; |
| import com.android.server.ProcessMap; |
| import com.android.server.ProcessStats; |
| import com.android.server.SystemServer; |
| import com.android.server.Watchdog; |
| import com.android.server.am.ActivityStack.ActivityState; |
| import com.android.server.wm.WindowManagerService; |
| |
| import dalvik.system.Zygote; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityManagerNative; |
| 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.IActivityWatcher; |
| import android.app.IApplicationThread; |
| import android.app.IInstrumentationWatcher; |
| import android.app.INotificationManager; |
| import android.app.IProcessObserver; |
| import android.app.IServiceConnection; |
| import android.app.IThumbnailReceiver; |
| import android.app.IThumbnailRetriever; |
| import android.app.Instrumentation; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.app.Service; |
| import android.app.backup.IBackupManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.IIntentReceiver; |
| import android.content.IIntentSender; |
| 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.PathPermission; |
| import android.content.pm.ProviderInfo; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| 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.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.ServiceManager; |
| import android.os.StrictMode; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.provider.Settings; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.util.Log; |
| import android.util.PrintWriterPrinter; |
| import android.util.SparseArray; |
| import android.util.TimeUtils; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.view.WindowManagerPolicy; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| 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.lang.IllegalStateException; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| 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 { |
| static final String TAG = "ActivityManager"; |
| 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_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_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_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 || true; |
| 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 VALIDATE_TOKENS = false; |
| 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_SECURE = "ro.secure"; |
| private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; |
| |
| // This is the maximum number of application processes we would like |
| // to have running. Due to the asynchronous nature of things, we can |
| // temporarily go beyond this limit. |
| static final int MAX_PROCESSES = 2; |
| |
| // Set to false to leave processes running indefinitely, relying on |
| // the kernel killing them as resources are required. |
| static final boolean ENFORCE_PROCESS_LIMIT = false; |
| |
| // This is the maximum number of activities that we would like to have |
| // running at a given time. |
| static final int MAX_ACTIVITIES = 20; |
| |
| // 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 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_TIMEOUT = 10*1000; |
| |
| // How long we wait for a service to finish executing. |
| static final int SERVICE_TIMEOUT = 20*1000; |
| |
| // How long a service needs to be running until restarting its process |
| // is no longer considered to be a relaunch of the service. |
| static final int SERVICE_RESTART_DURATION = 5*1000; |
| |
| // How long a service needs to be running until it will start back at |
| // SERVICE_RESTART_DURATION after being killed. |
| static final int SERVICE_RESET_RUN_DURATION = 60*1000; |
| |
| // Multiplying factor to increase restart duration time by, for each time |
| // a service is killed before it has run for SERVICE_RESET_RUN_DURATION. |
| static final int SERVICE_RESTART_DURATION_FACTOR = 4; |
| |
| // The minimum amount of time between restarting services that we allow. |
| // That is, when multiple services are restarting, we won't allow each |
| // to restart less than this amount of time from the last one. |
| static final int SERVICE_MIN_RESTART_TIME_BETWEEN = 10*1000; |
| |
| // Maximum amount of time for there to be no activity on a service before |
| // we consider it non-essential and allow its process to go on the |
| // LRU background list. |
| static final int MAX_SERVICE_INACTIVITY = 30*60*1000; |
| |
| // How long we wait until we timeout on key dispatching. |
| static final int KEY_DISPATCHING_TIMEOUT = 5*1000; |
| |
| // The minimum time we allow between crashes, for us to consider this |
| // application to be bad and stop and its services and reject broadcasts. |
| static final int MIN_CRASH_INTERVAL = 60*1000; |
| |
| // How long we wait until we timeout on key dispatching during instrumentation. |
| static final int INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT = 60*1000; |
| |
| // OOM adjustments for processes in various states: |
| |
| // This is a process without anything currently running in it. Definitely |
| // the first to go! Value set in system/rootdir/init.rc on startup. |
| // This value is initalized in the constructor, careful when refering to |
| // this static variable externally. |
| static final int EMPTY_APP_ADJ; |
| |
| // This is a process only hosting activities that are not visible, |
| // so it can be killed without any disruption. Value set in |
| // system/rootdir/init.rc on startup. |
| static final int HIDDEN_APP_MAX_ADJ; |
| static int HIDDEN_APP_MIN_ADJ; |
| |
| // This is a process holding the home application -- we want to try |
| // avoiding killing it, even if it would normally be in the background, |
| // because the user interacts with it so much. |
| static final int HOME_APP_ADJ; |
| |
| // This is a process currently hosting a backup operation. Killing it |
| // is not entirely fatal but is generally a bad idea. |
| static final int BACKUP_APP_ADJ; |
| |
| // This is a process holding a secondary server -- killing it will not |
| // have much of an impact as far as the user is concerned. Value set in |
| // system/rootdir/init.rc on startup. |
| static final int SECONDARY_SERVER_ADJ; |
| |
| // This is a process with a heavy-weight application. It is in the |
| // background, but we want to try to avoid killing it. Value set in |
| // system/rootdir/init.rc on startup. |
| static final int HEAVY_WEIGHT_APP_ADJ; |
| |
| // This is a process only hosting components that are perceptible to the |
| // user, and we really want to avoid killing them, but they are not |
| // immediately visible. An example is background music playback. Value set in |
| // system/rootdir/init.rc on startup. |
| static final int PERCEPTIBLE_APP_ADJ; |
| |
| // This is a process only hosting activities that are visible to the |
| // user, so we'd prefer they don't disappear. Value set in |
| // system/rootdir/init.rc on startup. |
| static final int VISIBLE_APP_ADJ; |
| |
| // This is the process running the current foreground app. We'd really |
| // rather not kill it! Value set in system/rootdir/init.rc on startup. |
| static final int FOREGROUND_APP_ADJ; |
| |
| // This is a process running a core server, such as telephony. Definitely |
| // don't want to kill it, but doing so is not completely fatal. |
| static final int CORE_SERVER_ADJ = -12; |
| |
| // The system process runs at the default adjustment. |
| static final int SYSTEM_ADJ = -16; |
| |
| // Memory pages are 4K. |
| static final int PAGE_SIZE = 4*1024; |
| |
| // Corresponding memory levels for above adjustments. |
| static final int EMPTY_APP_MEM; |
| static final int HIDDEN_APP_MEM; |
| static final int HOME_APP_MEM; |
| static final int BACKUP_APP_MEM; |
| static final int SECONDARY_SERVER_MEM; |
| static final int HEAVY_WEIGHT_APP_MEM; |
| static final int PERCEPTIBLE_APP_MEM; |
| static final int VISIBLE_APP_MEM; |
| static final int FOREGROUND_APP_MEM; |
| |
| // The minimum number of hidden apps we want to be able to keep around, |
| // without empty apps being able to push them out of memory. |
| static final int MIN_HIDDEN_APPS = 2; |
| |
| // The maximum number of hidden processes we will keep around before |
| // killing them; this is just a control to not let us go too crazy with |
| // keeping around processes on devices with large amounts of RAM. |
| static final int MAX_HIDDEN_APPS = 15; |
| |
| // We put empty content processes after any hidden processes that have |
| // been idle for less than 15 seconds. |
| static final long CONTENT_APP_IDLE_OFFSET = 15*1000; |
| |
| // We put empty content processes after any hidden processes that have |
| // been idle for less than 120 seconds. |
| static final long EMPTY_APP_IDLE_OFFSET = 120*1000; |
| |
| static int getIntProp(String name, boolean allowZero) { |
| String str = SystemProperties.get(name); |
| if (str == null) { |
| throw new IllegalArgumentException("Property not defined: " + name); |
| } |
| int val = Integer.valueOf(str); |
| if (val == 0 && !allowZero) { |
| throw new IllegalArgumentException("Property must not be zero: " + name); |
| } |
| return val; |
| } |
| |
| static { |
| // These values are set in system/rootdir/init.rc on startup. |
| FOREGROUND_APP_ADJ = getIntProp("ro.FOREGROUND_APP_ADJ", true); |
| VISIBLE_APP_ADJ = getIntProp("ro.VISIBLE_APP_ADJ", true); |
| PERCEPTIBLE_APP_ADJ = getIntProp("ro.PERCEPTIBLE_APP_ADJ", true); |
| HEAVY_WEIGHT_APP_ADJ = getIntProp("ro.HEAVY_WEIGHT_APP_ADJ", true); |
| SECONDARY_SERVER_ADJ = getIntProp("ro.SECONDARY_SERVER_ADJ", true); |
| BACKUP_APP_ADJ = getIntProp("ro.BACKUP_APP_ADJ", true); |
| HOME_APP_ADJ = getIntProp("ro.HOME_APP_ADJ", true); |
| HIDDEN_APP_MIN_ADJ = getIntProp("ro.HIDDEN_APP_MIN_ADJ", true); |
| EMPTY_APP_ADJ = getIntProp("ro.EMPTY_APP_ADJ", true); |
| // These days we use the last empty slot for hidden apps as well. |
| HIDDEN_APP_MAX_ADJ = EMPTY_APP_ADJ; |
| FOREGROUND_APP_MEM = getIntProp("ro.FOREGROUND_APP_MEM", false)*PAGE_SIZE; |
| VISIBLE_APP_MEM = getIntProp("ro.VISIBLE_APP_MEM", false)*PAGE_SIZE; |
| PERCEPTIBLE_APP_MEM = getIntProp("ro.PERCEPTIBLE_APP_MEM", false)*PAGE_SIZE; |
| HEAVY_WEIGHT_APP_MEM = getIntProp("ro.HEAVY_WEIGHT_APP_MEM", false)*PAGE_SIZE; |
| SECONDARY_SERVER_MEM = getIntProp("ro.SECONDARY_SERVER_MEM", false)*PAGE_SIZE; |
| BACKUP_APP_MEM = getIntProp("ro.BACKUP_APP_MEM", false)*PAGE_SIZE; |
| HOME_APP_MEM = getIntProp("ro.HOME_APP_MEM", false)*PAGE_SIZE; |
| HIDDEN_APP_MEM = getIntProp("ro.HIDDEN_APP_MEM", false)*PAGE_SIZE; |
| EMPTY_APP_MEM = getIntProp("ro.EMPTY_APP_MEM", false)*PAGE_SIZE; |
| } |
| |
| static final int MY_PID = Process.myPid(); |
| |
| static final String[] EMPTY_STRING_ARRAY = new String[0]; |
| |
| public ActivityStack mMainStack; |
| |
| /** |
| * Description of a request to start a new activity, which has been held |
| * due to app switches being disabled. |
| */ |
| static class PendingActivityLaunch { |
| ActivityRecord r; |
| ActivityRecord sourceRecord; |
| Uri[] grantedUriPermissions; |
| int grantedMode; |
| boolean onlyIfNeeded; |
| } |
| |
| final ArrayList<PendingActivityLaunch> mPendingActivityLaunches |
| = new ArrayList<PendingActivityLaunch>(); |
| |
| /** |
| * List of all active broadcasts that are to be executed immediately |
| * (without waiting for another broadcast to finish). Currently this only |
| * contains broadcasts to registered receivers, to avoid spinning up |
| * a bunch of processes to execute IntentReceiver components. |
| */ |
| final ArrayList<BroadcastRecord> mParallelBroadcasts |
| = new ArrayList<BroadcastRecord>(); |
| |
| /** |
| * List of all active broadcasts that are to be executed one at a time. |
| * The object at the top of the list is the currently activity broadcasts; |
| * those after it are waiting for the top to finish.. |
| */ |
| final ArrayList<BroadcastRecord> mOrderedBroadcasts |
| = new ArrayList<BroadcastRecord>(); |
| |
| /** |
| * Historical data of past broadcasts, for debugging. |
| */ |
| static final int MAX_BROADCAST_HISTORY = 100; |
| final BroadcastRecord[] mBroadcastHistory |
| = new BroadcastRecord[MAX_BROADCAST_HISTORY]; |
| |
| /** |
| * Set when we current have a BROADCAST_INTENT_MSG in flight. |
| */ |
| boolean mBroadcastsScheduled = false; |
| |
| /** |
| * 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. |
| */ |
| final ArrayList<TaskRecord> mRecentTasks = new ArrayList<TaskRecord>(); |
| |
| /** |
| * 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 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 records for processes that we have started and are waiting |
| * for them to call back. This is really only needed when running in |
| * single processes mode, in which case we do not have a unique pid for |
| * each process. |
| */ |
| final ArrayList<ProcessRecord> mStartingProcesses |
| = 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; |
| |
| /** |
| * Packages that the user has asked to have run in screen size |
| * compatibility mode instead of filling the screen. |
| */ |
| final CompatModePackages mCompatModePackages; |
| |
| /** |
| * Set of PendingResultRecord objects that are currently active. |
| */ |
| final HashSet mPendingResultRecords = new HashSet(); |
| |
| /** |
| * 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(); |
| |
| /** |
| * True if we have a pending unexpired BROADCAST_TIMEOUT_MSG posted to our handler. |
| */ |
| private boolean mPendingBroadcastTimeoutMessage; |
| |
| /** |
| * Intent broadcast that we have tried to start, but are |
| * waiting for its application's process to be created. We only |
| * need one (instead of a list) because we always process broadcasts |
| * one at a time, so no others can be started while waiting for this |
| * one. |
| */ |
| BroadcastRecord mPendingBroadcast = null; |
| |
| /** |
| * The receiver index that is pending, to restart the broadcast if needed. |
| */ |
| int mPendingBroadcastRecvIndex; |
| |
| /** |
| * Keeps track of all IIntentReceivers that have been registered for |
| * broadcasts. Hash keys are the receiver IBinder, hash value is |
| * a ReceiverList. |
| */ |
| final HashMap mRegisteredReceivers = new HashMap(); |
| |
| /** |
| * 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; |
| } |
| }; |
| |
| /** |
| * State of all active sticky broadcasts. Keys are the action of the |
| * sticky Intent, values are an ArrayList of all broadcasted intents with |
| * that action (which should usually be one). |
| */ |
| final HashMap<String, ArrayList<Intent>> mStickyBroadcasts = |
| new HashMap<String, ArrayList<Intent>>(); |
| |
| /** |
| * All currently running services. |
| */ |
| final HashMap<ComponentName, ServiceRecord> mServices = |
| new HashMap<ComponentName, ServiceRecord>(); |
| |
| /** |
| * All currently running services indexed by the Intent used to start them. |
| */ |
| final HashMap<Intent.FilterComparison, ServiceRecord> mServicesByIntent = |
| new HashMap<Intent.FilterComparison, ServiceRecord>(); |
| |
| /** |
| * All currently bound service connections. Keys are the IBinder of |
| * the client's IServiceConnection. |
| */ |
| final HashMap<IBinder, ArrayList<ConnectionRecord>> mServiceConnections |
| = new HashMap<IBinder, ArrayList<ConnectionRecord>>(); |
| |
| /** |
| * List of services that we have been asked to start, |
| * but haven't yet been able to. It is used to hold start requests |
| * while waiting for their corresponding application thread to get |
| * going. |
| */ |
| final ArrayList<ServiceRecord> mPendingServices |
| = new ArrayList<ServiceRecord>(); |
| |
| /** |
| * List of services that are scheduled to restart following a crash. |
| */ |
| final ArrayList<ServiceRecord> mRestartingServices |
| = new ArrayList<ServiceRecord>(); |
| |
| /** |
| * List of services that are in the process of being stopped. |
| */ |
| final ArrayList<ServiceRecord> mStoppingServices |
| = new ArrayList<ServiceRecord>(); |
| |
| /** |
| * 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 mPendingThumbnails = new ArrayList(); |
| |
| /** |
| * List of HistoryRecord objects that have been finished and must |
| * still report back to a pending thumbnail receiver. |
| */ |
| final ArrayList mCancelledThumbnails = new ArrayList(); |
| |
| /** |
| * All of the currently running global content providers. Keys are a |
| * string containing the provider name and values are a |
| * ContentProviderRecord object containing the data about it. Note |
| * that a single provider may be published under multiple names, so |
| * there may be multiple entries here for a single one in mProvidersByClass. |
| */ |
| final HashMap<String, ContentProviderRecord> mProvidersByName |
| = new HashMap<String, ContentProviderRecord>(); |
| |
| /** |
| * All of the currently running global content providers. Keys are a |
| * string containing the provider's implementation class and values are a |
| * ContentProviderRecord object containing the data about it. |
| */ |
| final HashMap<String, ContentProviderRecord> mProvidersByClass |
| = new HashMap<String, ContentProviderRecord>(); |
| |
| /** |
| * 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>(); |
| |
| /** |
| * Global set of specific Uri permissions that have been granted. |
| */ |
| final private 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. |
| * @see #ActivityManagerService.openContentUri() |
| */ |
| 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; |
| |
| /** |
| * 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; |
| |
| /** |
| * Set if we are shutting down the system, similar to sleeping. |
| */ |
| boolean mShuttingDown = false; |
| |
| /** |
| * Task identifier that activities are currently being started |
| * in. Incremented each time a new task is created. |
| * todo: Replace this with a TokenSpace class that generates non-repeating |
| * integers that won't wrap. |
| */ |
| int mCurTask = 1; |
| |
| /** |
| * Current sequence id for oom_adj computation traversal. |
| */ |
| int mAdjSeq = 0; |
| |
| /** |
| * Current sequence id for process LRU updating. |
| */ |
| int mLruSeq = 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; |
| |
| final RemoteCallbackList<IActivityWatcher> mWatchers |
| = new RemoteCallbackList<IActivityWatcher>(); |
| |
| final RemoteCallbackList<IProcessObserver> mProcessObservers |
| = new RemoteCallbackList<IProcessObserver>(); |
| |
| /** |
| * Callback of last caller to {@link #requestPss}. |
| */ |
| Runnable mRequestPssCallback; |
| |
| /** |
| * Remaining processes for which we are waiting results from the last |
| * call to {@link #requestPss}. |
| */ |
| final ArrayList<ProcessRecord> mRequestPssList |
| = new ArrayList<ProcessRecord>(); |
| |
| /** |
| * 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; |
| |
| /** |
| * Set to true after the system has finished booting. |
| */ |
| boolean mBooted = false; |
| |
| int mProcessLimit = 0; |
| |
| WindowManagerService mWindowManager; |
| |
| static ActivityManagerService mSelf; |
| static ActivityThread mSystemThread; |
| |
| 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; |
| } |
| |
| 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 BROADCAST_INTENT_MSG = 7; |
| static final int BROADCAST_TIMEOUT_MSG = 8; |
| 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_FOREGROUND_ACTIVITIES_CHANGED = 31; |
| static final int DISPATCH_PROCESS_DIED = 32; |
| |
| AlertDialog mUidAlert; |
| CompatModeDialog mCompatModeDialog; |
| |
| final Handler mHandler = new Handler() { |
| //public Handler() { |
| // if (localLOGV) Slog.v(TAG, "Handler started!"); |
| //} |
| |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case SHOW_ERROR_MSG: { |
| HashMap data = (HashMap) msg.obj; |
| synchronized (ActivityManagerService.this) { |
| ProcessRecord proc = (ProcessRecord)data.get("app"); |
| if (proc != null && proc.crashDialog != null) { |
| Slog.e(TAG, "App already has crash dialog: " + proc); |
| return; |
| } |
| AppErrorResult res = (AppErrorResult) data.get("result"); |
| if (!mSleeping && !mShuttingDown) { |
| Dialog d = new AppErrorDialog(mContext, 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_NOT_RESPONDING_MSG: { |
| synchronized (ActivityManagerService.this) { |
| HashMap data = (HashMap) 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); |
| } |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, |
| false, false, MY_PID, Process.SYSTEM_UID); |
| |
| Dialog d = new AppNotRespondingDialog(ActivityManagerService.this, |
| mContext, proc, (ActivityRecord)data.get("activity")); |
| d.show(); |
| proc.anrDialog = d; |
| } |
| |
| 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 (!mSleeping && !mShuttingDown) { |
| Dialog d = new StrictModeViolationDialog(mContext, 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 BROADCAST_INTENT_MSG: { |
| if (DEBUG_BROADCAST) Slog.v( |
| TAG, "Received BROADCAST_INTENT_MSG"); |
| processNextBroadcast(true); |
| } break; |
| case BROADCAST_TIMEOUT_MSG: { |
| synchronized (ActivityManagerService.this) { |
| broadcastTimeoutLocked(true); |
| } |
| } break; |
| case SERVICE_TIMEOUT_MSG: { |
| if (mDidDexOpt) { |
| mDidDexOpt = false; |
| Message nmsg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| nmsg.obj = msg.obj; |
| mHandler.sendMessageDelayed(nmsg, SERVICE_TIMEOUT); |
| return; |
| } |
| 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: { |
| // 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("System UIDs Inconsistent"); |
| d.setMessage("UIDs on the system are inconsistent, you need to wipe your data partition or your device will be unstable."); |
| 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 uid = msg.arg1; |
| boolean restart = (msg.arg2 == 1); |
| String pkg = (String) msg.obj; |
| forceStopPackageLocked(pkg, uid, restart, false, true); |
| } |
| } 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.getActivity(mContext, 0, root.intent, |
| PendingIntent.FLAG_CANCEL_CURRENT)); |
| |
| try { |
| int[] outId = new int[1]; |
| inm.enqueueNotification("android", R.string.heavy_weight_notification, |
| notification, outId); |
| } 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.cancelNotification("android", |
| R.string.heavy_weight_notification); |
| } 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_FOREGROUND_ACTIVITIES_CHANGED: { |
| final int pid = msg.arg1; |
| final int uid = msg.arg2; |
| final boolean foregroundActivities = (Boolean) msg.obj; |
| dispatchForegroundActivitiesChanged(pid, uid, foregroundActivities); |
| break; |
| } |
| case DISPATCH_PROCESS_DIED: { |
| final int pid = msg.arg1; |
| final int uid = msg.arg2; |
| dispatchProcessDied(pid, uid); |
| break; |
| } |
| } |
| } |
| }; |
| |
| public static void setSystemProcess() { |
| try { |
| ActivityManagerService m = mSelf; |
| |
| ServiceManager.addService("activity", m); |
| ServiceManager.addService("meminfo", new MemBinder(m)); |
| ServiceManager.addService("gfxinfo", new GraphicsBinder(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); |
| app.persistent = true; |
| app.pid = MY_PID; |
| app.maxAdj = SYSTEM_ADJ; |
| mSelf.mProcessNames.put(app.processName, app.info.uid, app); |
| synchronized (mSelf.mPidsSelfLocked) { |
| mSelf.mPidsSelfLocked.put(app.pid, app); |
| } |
| mSelf.updateLruProcessLocked(app, true, true); |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new RuntimeException( |
| "Unable to find android system package", e); |
| } |
| } |
| |
| public void setWindowManager(WindowManagerService wm) { |
| mWindowManager = wm; |
| } |
| |
| 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.mMainStack = new ActivityStack(m, context, true); |
| |
| m.mBatteryStatsService.publish(context); |
| m.mUsageStatsService.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; |
| boolean mReady = false; |
| |
| public AThread() { |
| super("ActivityManager"); |
| } |
| |
| 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; |
| 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) { |
| mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args); |
| } |
| } |
| |
| static class GraphicsBinder extends Binder { |
| ActivityManagerService mActivityManagerService; |
| GraphicsBinder(ActivityManagerService activityManagerService) { |
| mActivityManagerService = activityManagerService; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| mActivityManagerService.dumpGraphicsHardwareUsage(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) { |
| synchronized (mActivityManagerService.mProcessStatsThread) { |
| pw.print(mActivityManagerService.mProcessStats.printCurrentLoad()); |
| pw.print(mActivityManagerService.mProcessStats.printCurrentState( |
| SystemClock.uptimeMillis())); |
| } |
| } |
| } |
| |
| private ActivityManagerService() { |
| Slog.i(TAG, "Memory class: " + ActivityManager.staticGetMemoryClass()); |
| |
| 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()); |
| |
| GL_ES_VERSION = SystemProperties.getInt("ro.opengles.version", |
| ConfigurationInfo.GL_ES_VERSION_UNDEFINED); |
| |
| mConfiguration.setToDefaults(); |
| mConfiguration.locale = Locale.getDefault(); |
| mProcessStats.init(); |
| |
| mCompatModePackages = new CompatModePackages(this, systemDir); |
| |
| // Add ourself to the Watchdog monitors. |
| Watchdog.getInstance().addMonitor(this); |
| |
| mProcessStatsThread = new Thread("ProcessStats") { |
| 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 { |
| 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; |
| mWindowManager.setFocusedApp(r, true); |
| } |
| } |
| |
| private final void updateLruProcessInternalLocked(ProcessRecord app, |
| boolean oomAdj, boolean updateActivityTime, 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. |
| if (updateActivityTime) { |
| 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 - CONTENT_APP_IDLE_OFFSET; |
| // Also don't let it kick out the first few "real" hidden processes. |
| skipTop = 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 - EMPTY_APP_IDLE_OFFSET; |
| // Also don't let it kick out the first few "real" hidden processes. |
| skipTop = 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 >= 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, oomAdj, |
| updateActivityTime, i+1); |
| } |
| } |
| } |
| if (app.conProviders.size() > 0) { |
| for (ContentProviderRecord cpr : app.conProviders.keySet()) { |
| if (cpr.app != null && cpr.app.lruSeq != mLruSeq) { |
| updateLruProcessInternalLocked(cpr.app, oomAdj, |
| updateActivityTime, i+1); |
| } |
| } |
| } |
| |
| //Slog.i(TAG, "Putting proc to front: " + app.processName); |
| if (oomAdj) { |
| updateOomAdjLocked(); |
| } |
| } |
| |
| final void updateLruProcessLocked(ProcessRecord app, |
| boolean oomAdj, boolean updateActivityTime) { |
| mLruSeq++; |
| updateLruProcessInternalLocked(app, oomAdj, updateActivityTime, 0); |
| } |
| |
| 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); |
| return procs != null ? procs.valueAt(0) : null; |
| } |
| 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 == WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN |
| || transit == WindowManagerPolicy.TRANSIT_TASK_OPEN |
| || transit == WindowManagerPolicy.TRANSIT_TASK_TO_FRONT; |
| } |
| |
| final ProcessRecord startProcessLocked(String processName, |
| ApplicationInfo info, boolean knownToBeDead, int intentFlags, |
| String hostingType, ComponentName hostingName, boolean allowWhileBooting) { |
| ProcessRecord app = getProcessRecordLocked(processName, info.uid); |
| // 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); |
| return app; |
| } else { |
| // An application record is attached to a previous process, |
| // clean it up now. |
| if (DEBUG_PROCESSES) Slog.v(TAG, "App died: " + app); |
| handleAppDiedLocked(app, true); |
| } |
| } |
| |
| String hostingNameStr = hostingName != null |
| ? hostingName.flattenToShortString() : null; |
| |
| 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, info.uid, |
| info.processName); |
| mBadProcesses.remove(info.processName, info.uid); |
| if (app != null) { |
| app.bad = false; |
| } |
| } |
| } |
| |
| if (app == null) { |
| app = newProcessRecordLocked(null, info, processName); |
| mProcessNames.put(processName, info.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.pid = 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.info.uid; |
| int[] gids = null; |
| try { |
| gids = mContext.getPackageManager().getPackageGids( |
| app.info.packageName); |
| } catch (PackageManager.NameNotFoundException e) { |
| Slog.w(TAG, "Unable to retrieve gids", e); |
| } |
| 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; |
| } |
| // 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.assert"))) { |
| debugFlags |= Zygote.DEBUG_ENABLE_ASSERT; |
| } |
| int pid = Process.start("android.app.ActivityThread", |
| app.processName, uid, uid, gids, debugFlags, null); |
| BatteryStatsImpl bs = app.batteryStats.getBatteryStats(); |
| synchronized (bs) { |
| if (bs.isOnBattery()) { |
| app.batteryStats.incStartsLocked(); |
| } |
| } |
| |
| EventLog.writeEvent(EventLogTags.AM_PROC_START, pid, uid, |
| app.processName, hostingType, |
| hostingNameStr != null ? hostingNameStr : ""); |
| |
| if (app.persistent) { |
| Watchdog.getInstance().processStarted(app.processName, 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(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()); |
| if (pid == 0 || pid == MY_PID) { |
| // Processes are being emulated with threads. |
| app.pid = MY_PID; |
| app.removed = false; |
| mStartingProcesses.add(app); |
| } else if (pid > 0) { |
| app.pid = pid; |
| app.removed = false; |
| synchronized (mPidsSelfLocked) { |
| this.mPidsSelfLocked.put(pid, app); |
| Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); |
| msg.obj = app; |
| mHandler.sendMessageDelayed(msg, PROC_START_TIMEOUT); |
| } |
| } else { |
| app.pid = 0; |
| RuntimeException e = new RuntimeException( |
| "Failure starting process " + app.processName |
| + ": returned pid=" + pid); |
| Slog.e(TAG, e.getMessage(), e); |
| } |
| } catch (RuntimeException e) { |
| // XXX do better error recovery. |
| app.pid = 0; |
| Slog.e(TAG, "Failure starting process " + app.processName, e); |
| } |
| } |
| |
| void updateUsageStats(ActivityRecord resumedComponent, boolean resumed) { |
| if (resumed) { |
| mUsageStatsService.noteResumeComponent(resumedComponent.realActivity); |
| } else { |
| mUsageStatsService.notePauseComponent(resumedComponent.realActivity); |
| } |
| } |
| |
| boolean startHomeActivityLocked() { |
| 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 = |
| intent.resolveActivityInfo(mContext.getPackageManager(), |
| STOCK_PM_FLAGS); |
| if (aInfo != null) { |
| intent.setComponent(new ComponentName( |
| aInfo.applicationInfo.packageName, aInfo.name)); |
| // Don't do this if the home app is currently being |
| // instrumented. |
| ProcessRecord app = getProcessRecordLocked(aInfo.processName, |
| aInfo.applicationInfo.uid); |
| if (app == null || app.instrumentationClass == null) { |
| intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK); |
| mMainStack.startActivityLocked(null, intent, null, null, 0, aInfo, |
| null, null, 0, 0, 0, false, false, null); |
| } |
| } |
| |
| |
| return true; |
| } |
| |
| /** |
| * 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.Secure.getInt(resolver, |
| Settings.Secure.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)); |
| mMainStack.startActivityLocked(null, intent, null, null, 0, ri.activityInfo, |
| null, null, 0, 0, 0, false, false, null); |
| } |
| } |
| } |
| } |
| |
| CompatibilityInfo compatibilityInfoForPackageLocked(ApplicationInfo ai) { |
| return mCompatModePackages.compatibilityInfoForPackageLocked(ai); |
| } |
| |
| public int getFrontActivityScreenCompatMode() { |
| synchronized (this) { |
| return mCompatModePackages.getFrontActivityScreenCompatModeLocked(); |
| } |
| } |
| |
| public void setFrontActivityScreenCompatMode(int mode) { |
| synchronized (this) { |
| mCompatModePackages.setFrontActivityScreenCompatModeLocked(mode); |
| } |
| } |
| |
| public int getPackageScreenCompatMode(String packageName) { |
| synchronized (this) { |
| return mCompatModePackages.getPackageScreenCompatModeLocked(packageName); |
| } |
| } |
| |
| public void setPackageScreenCompatMode(String packageName, int mode) { |
| synchronized (this) { |
| mCompatModePackages.setPackageScreenCompatModeLocked(packageName, mode); |
| } |
| } |
| |
| public boolean getPackageAskScreenCompat(String packageName) { |
| synchronized (this) { |
| return mCompatModePackages.getPackageAskCompatModeLocked(packageName); |
| } |
| } |
| |
| public void setPackageAskScreenCompat(String packageName, boolean ask) { |
| synchronized (this) { |
| mCompatModePackages.setPackageAskCompatModeLocked(packageName, ask); |
| } |
| } |
| |
| void reportResumedActivityLocked(ActivityRecord r) { |
| //Slog.i(TAG, "**** REPORT RESUME: " + r); |
| |
| final int identHash = System.identityHashCode(r); |
| updateUsageStats(r, true); |
| |
| int i = mWatchers.beginBroadcast(); |
| while (i > 0) { |
| i--; |
| IActivityWatcher w = mWatchers.getBroadcastItem(i); |
| if (w != null) { |
| try { |
| w.activityResuming(identHash); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| mWatchers.finishBroadcast(); |
| } |
| |
| private void dispatchForegroundActivitiesChanged(int pid, int uid, boolean foregroundActivities) { |
| int i = mProcessObservers.beginBroadcast(); |
| while (i > 0) { |
| i--; |
| final IProcessObserver observer = mProcessObservers.getBroadcastItem(i); |
| if (observer != null) { |
| try { |
| observer.onForegroundActivitiesChanged(pid, uid, foregroundActivities); |
| } 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); |
| mMainStack.startActivityUncheckedLocked(pal.r, pal.sourceRecord, |
| pal.grantedUriPermissions, pal.grantedMode, pal.onlyIfNeeded, |
| doResume && i == (N-1)); |
| } |
| mPendingActivityLaunches.clear(); |
| } |
| |
| public final int startActivity(IApplicationThread caller, |
| Intent intent, String resolvedType, Uri[] grantedUriPermissions, |
| int grantedMode, IBinder resultTo, |
| String resultWho, int requestCode, boolean onlyIfNeeded, |
| boolean debug) { |
| return mMainStack.startActivityMayWait(caller, -1, intent, resolvedType, |
| grantedUriPermissions, grantedMode, resultTo, resultWho, |
| requestCode, onlyIfNeeded, debug, null, null); |
| } |
| |
| public final WaitResult startActivityAndWait(IApplicationThread caller, |
| Intent intent, String resolvedType, Uri[] grantedUriPermissions, |
| int grantedMode, IBinder resultTo, |
| String resultWho, int requestCode, boolean onlyIfNeeded, |
| boolean debug) { |
| WaitResult res = new WaitResult(); |
| mMainStack.startActivityMayWait(caller, -1, intent, resolvedType, |
| grantedUriPermissions, grantedMode, resultTo, resultWho, |
| requestCode, onlyIfNeeded, debug, res, null); |
| return res; |
| } |
| |
| public final int startActivityWithConfig(IApplicationThread caller, |
| Intent intent, String resolvedType, Uri[] grantedUriPermissions, |
| int grantedMode, IBinder resultTo, |
| String resultWho, int requestCode, boolean onlyIfNeeded, |
| boolean debug, Configuration config) { |
| return mMainStack.startActivityMayWait(caller, -1, intent, resolvedType, |
| grantedUriPermissions, grantedMode, resultTo, resultWho, |
| requestCode, onlyIfNeeded, debug, null, config); |
| } |
| |
| public int startActivityIntentSender(IApplicationThread caller, |
| IntentSender intent, Intent fillInIntent, String resolvedType, |
| IBinder resultTo, String resultWho, int requestCode, |
| int flagsMask, int flagsValues) { |
| // 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. |
| if (mMainStack.mResumedActivity != null |
| && mMainStack.mResumedActivity.info.applicationInfo.uid == |
| Binder.getCallingUid()) { |
| mAppSwitchesAllowedTime = 0; |
| } |
| } |
| |
| return pir.sendInner(0, fillInIntent, resolvedType, |
| null, resultTo, resultWho, requestCode, flagsMask, flagsValues); |
| } |
| |
| public boolean startNextMatchingActivity(IBinder callingActivity, |
| Intent intent) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized (this) { |
| int index = mMainStack.indexOfTokenLocked(callingActivity); |
| if (index < 0) { |
| return false; |
| } |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| if (r.app == null || r.app.thread == null) { |
| // The caller is not running... d'oh! |
| 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); |
| |
| // 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! |
| 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(); |
| // XXX we are not dealing with propagating grantedUriPermissions... |
| // those are not yet exposed to user code, so there is no need. |
| int res = mMainStack.startActivityLocked(r.app.thread, intent, |
| r.resolvedType, null, 0, aInfo, resultTo, resultWho, |
| requestCode, -1, r.launchedFromUid, false, false, null); |
| Binder.restoreCallingIdentity(origId); |
| |
| r.finishing = wasFinishing; |
| if (res != START_SUCCESS) { |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| public final int startActivityInPackage(int uid, |
| Intent intent, String resolvedType, IBinder resultTo, |
| String resultWho, int requestCode, boolean onlyIfNeeded) { |
| |
| // This is so super not safe, that only the system (or okay root) |
| // can do it. |
| final int callingUid = Binder.getCallingUid(); |
| if (callingUid != 0 && callingUid != Process.myUid()) { |
| throw new SecurityException( |
| "startActivityInPackage only available to the system"); |
| } |
| |
| return mMainStack.startActivityMayWait(null, uid, intent, resolvedType, |
| null, 0, resultTo, resultWho, requestCode, onlyIfNeeded, false, null, null); |
| } |
| |
| public final int startActivities(IApplicationThread caller, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo) { |
| return mMainStack.startActivities(caller, -1, intents, resolvedTypes, resultTo); |
| } |
| |
| public final int startActivitiesInPackage(int uid, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo) { |
| |
| // This is so super not safe, that only the system (or okay root) |
| // can do it. |
| final int callingUid = Binder.getCallingUid(); |
| if (callingUid != 0 && callingUid != Process.myUid()) { |
| throw new SecurityException( |
| "startActivityInPackage only available to the system"); |
| } |
| |
| return mMainStack.startActivities(null, uid, intents, resolvedTypes, resultTo); |
| } |
| |
| 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.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); |
| } |
| |
| public void setRequestedOrientation(IBinder token, |
| int requestedOrientation) { |
| synchronized (this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return; |
| } |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| final long origId = Binder.clearCallingIdentity(); |
| mWindowManager.setAppOrientation(r, requestedOrientation); |
| Configuration config = mWindowManager.updateOrientationFromAppTokens( |
| mConfiguration, |
| r.mayFreezeScreenLocked(r.app) ? r : null); |
| if (config != null) { |
| r.frozenBeforeDestroy = true; |
| if (!updateConfigurationLocked(config, r)) { |
| mMainStack.resumeTopActivityLocked(null); |
| } |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public int getRequestedOrientation(IBinder token) { |
| synchronized (this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; |
| } |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| return mWindowManager.getAppOrientation(r); |
| } |
| } |
| |
| /** |
| * 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. |
| */ |
| 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) { |
| if (mController != null) { |
| // Find the first activity that is not finishing. |
| ActivityRecord next = mMainStack.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; |
| } |
| |
| if (!resumeOK) { |
| return false; |
| } |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| boolean res = mMainStack.requestFinishActivityLocked(token, resultCode, |
| resultData, "app-request"); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| 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) { |
| int index = mMainStack.indexOfTokenLocked(r); |
| if (index >= 0) { |
| mMainStack.finishActivityLocked(r, index, Activity.RESULT_CANCELED, |
| null, "finish-heavy"); |
| } |
| } |
| } |
| |
| mHeavyWeightProcess = null; |
| mHandler.sendEmptyMessage(CANCEL_HEAVY_NOTIFICATION_MSG); |
| } |
| } |
| |
| 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.info.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); |
| } |
| } |
| } |
| |
| public final void finishSubActivity(IBinder token, String resultWho, |
| int requestCode) { |
| synchronized(this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return; |
| } |
| ActivityRecord self = (ActivityRecord)mMainStack.mHistory.get(index); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| int i; |
| for (i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r.resultTo == self && r.requestCode == requestCode) { |
| if ((r.resultWho == null && resultWho == null) || |
| (r.resultWho != null && r.resultWho.equals(resultWho))) { |
| mMainStack.finishActivityLocked(r, i, |
| Activity.RESULT_CANCELED, null, "request-sub"); |
| } |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public boolean willActivityBeVisible(IBinder token) { |
| synchronized(this) { |
| int i; |
| for (i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r == token) { |
| return true; |
| } |
| if (r.fullscreen && !r.finishing) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| |
| public void overridePendingTransition(IBinder token, String packageName, |
| int enterAnim, int exitAnim) { |
| synchronized(this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return; |
| } |
| ActivityRecord self = (ActivityRecord)mMainStack.mHistory.get(index); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (self.state == ActivityState.RESUMED |
| || self.state == ActivityState.PAUSING) { |
| mWindowManager.overridePendingAppTransition(packageName, |
| enterAnim, exitAnim); |
| } |
| |
| 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) { |
| cleanUpApplicationRecordLocked(app, restarting, -1); |
| if (!restarting) { |
| mLruProcesses.remove(app); |
| } |
| |
| // Just in case... |
| if (mMainStack.mPausingActivity != null && mMainStack.mPausingActivity.app == app) { |
| if (DEBUG_PAUSE) Slog.v(TAG, "App died while pausing: " +mMainStack.mPausingActivity); |
| mMainStack.mPausingActivity = null; |
| } |
| if (mMainStack.mLastPausedActivity != null && mMainStack.mLastPausedActivity.app == app) { |
| mMainStack.mLastPausedActivity = null; |
| } |
| |
| // Remove this application's activities from active lists. |
| mMainStack.removeHistoryRecordsForAppLocked(app); |
| |
| boolean atTop = true; |
| boolean hasVisibleActivities = false; |
| |
| // Clean out the history list. |
| int i = mMainStack.mHistory.size(); |
| if (localLOGV) Slog.v( |
| TAG, "Removing app " + app + " from history with " + i + " entries"); |
| while (i > 0) { |
| i--; |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (localLOGV) Slog.v( |
| TAG, "Record #" + i + " " + r + ": app=" + r.app); |
| if (r.app == app) { |
| if ((!r.haveState && !r.stateNotNeeded) || r.finishing) { |
| if (localLOGV) Slog.v( |
| TAG, "Removing this entry! frozen=" + r.haveState |
| + " finishing=" + r.finishing); |
| r.makeFinishing(); |
| mMainStack.mHistory.remove(i); |
| r.takeFromHistory(); |
| mWindowManager.removeAppToken(r); |
| if (VALIDATE_TOKENS) { |
| mWindowManager.validateAppTokens(mMainStack.mHistory); |
| } |
| r.removeUriPermissionsLocked(); |
| |
| } else { |
| // We have the current state for this activity, so |
| // it can be restarted later when needed. |
| if (localLOGV) Slog.v( |
| TAG, "Keeping entry, setting app to null"); |
| if (r.visible) { |
| hasVisibleActivities = true; |
| } |
| r.app = null; |
| r.nowVisible = false; |
| if (!r.haveState) { |
| r.icicle = null; |
| } |
| } |
| |
| r.stack.cleanUpActivityLocked(r, true); |
| r.state = ActivityState.STOPPED; |
| } |
| atTop = false; |
| } |
| |
| 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); |
| } |
| |
| if (!restarting) { |
| if (!mMainStack.resumeTopActivityLocked(null)) { |
| // If there was nothing to resume, and we are not already |
| // restarting this process, but there is a visible activity that |
| // is hosted by the process... then make sure all visible |
| // activities are running, taking care of restarting this |
| // process. |
| if (hasVisibleActivities) { |
| mMainStack.ensureActivitiesVisibleLocked(null, 0); |
| } |
| } |
| } |
| } |
| |
| 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.pid, app.processName); |
| if (localLOGV) Slog.v( |
| TAG, "Dying app: " + app + ", pid: " + pid |
| + ", thread: " + thread.asBinder()); |
| boolean doLowMem = app.instrumentationClass == null; |
| handleAppDiedLocked(app, false); |
| |
| 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 >= HIDDEN_APP_MIN_ADJ) { |
| haveBg = true; |
| break; |
| } |
| } |
| |
| if (!haveBg) { |
| Slog.i(TAG, "Low Memory: No more background processes."); |
| 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 <= HEAVY_WEIGHT_APP_ADJ) { |
| rec.lastRequestedGc = 0; |
| } else { |
| rec.lastRequestedGc = rec.lastLowMemory; |
| } |
| rec.reportLowMemory = true; |
| rec.lastLowMemory = now; |
| mProcessesToGc.remove(rec); |
| addProcessToGcListLocked(rec); |
| } |
| } |
| 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.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 |
| * @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 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(); |
| 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; |
| } |
| |
| // 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) { |
| public synchronized void onEvent(int event, String path) { notify(); } |
| }; |
| |
| try { |
| observer.startWatching(); |
| |
| // First collect all of the stacks of the most important pids. |
| 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); |
| } |
| |
| } |
| } |
| } |
| |
| return tracesFile; |
| |
| } finally { |
| observer.stopWatching(); |
| } |
| } |
| |
| private final class AppNotResponding implements Runnable { |
| private final ProcessRecord mApp; |
| private final String mAnnotation; |
| |
| public AppNotResponding(ProcessRecord app, String annotation) { |
| mApp = app; |
| mAnnotation = annotation; |
| } |
| |
| @Override |
| public void run() { |
| appNotResponding(mApp, null, null, mAnnotation); |
| } |
| } |
| |
| final void appNotResponding(ProcessRecord app, ActivityRecord activity, |
| ActivityRecord parent, 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; |
| } |
| } |
| |
| 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.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 = mStringBuilder; |
| 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); |
| |
| 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, 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; |
| } |
| } |
| |
| // 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.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 map = new HashMap(); |
| msg.what = SHOW_NOT_RESPONDING_MSG; |
| msg.obj = map; |
| 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); |
| } |
| } |
| }); |
| } |
| } |
| |
| public boolean clearApplicationUserData(final String packageName, |
| final IPackageDataObserver observer) { |
| int uid = Binder.getCallingUid(); |
| int pid = Binder.getCallingPid(); |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| int pkgUid = -1; |
| synchronized(this) { |
| try { |
| pkgUid = pm.getPackageUid(packageName); |
| } catch (RemoteException e) { |
| } |
| if (pkgUid == -1) { |
| Slog.w(TAG, "Invalid packageName:" + packageName); |
| 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); |
| 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); |
| } catch (RemoteException e) { |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| return true; |
| } |
| |
| public void killBackgroundProcesses(final String packageName) { |
| 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); |
| } |
| |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| int pkgUid = -1; |
| synchronized(this) { |
| try { |
| pkgUid = pm.getPackageUid(packageName); |
| } catch (RemoteException e) { |
| } |
| if (pkgUid == -1) { |
| Slog.w(TAG, "Invalid packageName: " + packageName); |
| return; |
| } |
| killPackageProcessesLocked(packageName, pkgUid, |
| SECONDARY_SERVER_ADJ, false, true); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| public void forceStopPackage(final String packageName) { |
| 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); |
| } |
| |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| int pkgUid = -1; |
| synchronized(this) { |
| try { |
| pkgUid = pm.getPackageUid(packageName); |
| } catch (RemoteException e) { |
| } |
| if (pkgUid == -1) { |
| Slog.w(TAG, "Invalid packageName: " + packageName); |
| return; |
| } |
| forceStopPackageLocked(packageName, pkgUid); |
| try { |
| pm.setPackageStoppedState(packageName, true); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + packageName + ": " + e); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| /* |
| * The pkg name and uid have to be specified. |
| * @see android.app.IActivityManager#killApplicationWithUid(java.lang.String, int) |
| */ |
| public void killApplicationWithUid(String pkg, int uid) { |
| if (pkg == null) { |
| return; |
| } |
| // Make sure the uid is valid. |
| if (uid < 0) { |
| Slog.w(TAG, "Invalid uid 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 = uid; |
| msg.arg2 = 0; |
| msg.obj = pkg; |
| mHandler.sendMessage(msg); |
| } else { |
| throw new SecurityException(callerUid + " cannot kill pkg: " + |
| pkg); |
| } |
| } |
| |
| public void closeSystemDialogs(String reason) { |
| Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| if (reason != null) { |
| intent.putExtra("reason", reason); |
| } |
| |
| final int uid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| synchronized (this) { |
| int i = mWatchers.beginBroadcast(); |
| while (i > 0) { |
| i--; |
| IActivityWatcher w = mWatchers.getBroadcastItem(i); |
| if (w != null) { |
| try { |
| w.closingSystemDialogs(reason); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| mWatchers.finishBroadcast(); |
| |
| mWindowManager.closeSystemDialogs(reason); |
| |
| for (i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if ((r.info.flags&ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0) { |
| r.stack.finishActivityLocked(r, i, |
| Activity.RESULT_CANCELED, null, "close-sys"); |
| } |
| } |
| |
| broadcastIntentLocked(null, null, intent, null, |
| null, 0, null, null, null, false, false, -1, uid); |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) |
| throws RemoteException { |
| 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; |
| } |
| |
| 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, uid, false, false, true); |
| Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED, |
| Uri.fromParts("package", packageName, null)); |
| if (!mProcessesReady) { |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| } |
| intent.putExtra(Intent.EXTRA_UID, uid); |
| broadcastIntentLocked(null, null, intent, |
| null, null, 0, null, null, null, |
| false, false, MY_PID, Process.SYSTEM_UID); |
| } |
| |
| private final boolean killPackageProcessesLocked(String packageName, int uid, |
| int minOomAdj, boolean callerWillRestart, boolean doit) { |
| 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 + ":"; |
| 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.removed) { |
| if (doit) { |
| procs.add(app); |
| } |
| } else if ((uid > 0 && uid != Process.SYSTEM_UID && app.info.uid == uid) |
| || app.processName.equals(packageName) |
| || app.processName.startsWith(procNamePrefix)) { |
| if (app.setAdj >= minOomAdj) { |
| 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); |
| } |
| return N > 0; |
| } |
| |
| private final boolean forceStopPackageLocked(String name, int uid, |
| boolean callerWillRestart, boolean purgeCache, boolean doit) { |
| int i; |
| int N; |
| |
| if (uid < 0) { |
| try { |
| uid = AppGlobals.getPackageManager().getPackageUid(name); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| if (doit) { |
| Slog.i(TAG, "Force stopping package " + name + " uid=" + uid); |
| |
| Iterator<SparseArray<Long>> badApps = mProcessCrashTimes.getMap().values().iterator(); |
| while (badApps.hasNext()) { |
| SparseArray<Long> ba = badApps.next(); |
| if (ba.get(uid) != null) { |
| badApps.remove(); |
| } |
| } |
| } |
| |
| boolean didSomething = killPackageProcessesLocked(name, uid, -100, |
| callerWillRestart, doit); |
| |
| for (i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r.packageName.equals(name)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| Slog.i(TAG, " Force finishing activity " + r); |
| if (r.app != null) { |
| r.app.removed = true; |
| } |
| r.app = null; |
| r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED, null, "uninstall"); |
| } |
| } |
| |
| ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); |
| for (ServiceRecord service : mServices.values()) { |
| if (service.packageName.equals(name)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| Slog.i(TAG, " Force stopping service " + service); |
| if (service.app != null) { |
| service.app.removed = true; |
| } |
| service.app = null; |
| services.add(service); |
| } |
| } |
| |
| N = services.size(); |
| for (i=0; i<N; i++) { |
| bringDownServiceLocked(services.get(i), true); |
| } |
| |
| if (doit) { |
| if (purgeCache) { |
| AttributeCache ac = AttributeCache.instance(); |
| if (ac != null) { |
| ac.removePackage(name); |
| } |
| } |
| mMainStack.resumeTopActivityLocked(null); |
| } |
| |
| return didSomething; |
| } |
| |
| private final boolean removeProcessLocked(ProcessRecord app, boolean callerWillRestart) { |
| final String name = app.processName; |
| final int uid = app.info.uid; |
| if (DEBUG_PROCESSES) Slog.d( |
| TAG, "Force removing process " + app + " (" + name |
| + "/" + uid + ")"); |
| |
| mProcessNames.remove(name, uid); |
| if (mHeavyWeightProcess == app) { |
| mHeavyWeightProcess = null; |
| mHandler.sendEmptyMessage(CANCEL_HEAVY_NOTIFICATION_MSG); |
| } |
| 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); |
| } |
| handleAppDiedLocked(app, true); |
| mLruProcesses.remove(app); |
| Process.killProcess(pid); |
| |
| if (app.persistent) { |
| if (!callerWillRestart) { |
| addAppLocked(app.info); |
| } 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, pid, app.info.uid, |
| app.processName); |
| mProcessNames.remove(app.processName, app.info.uid); |
| if (mHeavyWeightProcess == app) { |
| mHeavyWeightProcess = null; |
| mHandler.sendEmptyMessage(CANCEL_HEAVY_NOTIFICATION_MSG); |
| } |
| // Take care of any launching providers waiting for this process. |
| checkAppInLaunchingProvidersLocked(app, true); |
| // Take care of any services that are waiting for the process. |
| for (int i=0; i<mPendingServices.size(); i++) { |
| ServiceRecord sr = mPendingServices.get(i); |
| if (app.info.uid == sr.appInfo.uid |
| && app.processName.equals(sr.processName)) { |
| Slog.w(TAG, "Forcing bringing down service: " + sr); |
| mPendingServices.remove(i); |
| i--; |
| bringDownServiceLocked(sr, true); |
| } |
| } |
| EventLog.writeEvent(EventLogTags.AM_KILL, 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 (mPendingBroadcast != null && mPendingBroadcast.curApp.pid == pid) { |
| Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping"); |
| mPendingBroadcast.state = BroadcastRecord.IDLE; |
| mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex; |
| mPendingBroadcast = null; |
| scheduleBroadcastsLocked(); |
| } |
| } 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 if (mStartingProcesses.size() > 0) { |
| app = mStartingProcesses.remove(0); |
| app.setPid(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); |
| } |
| |
| // Tell the process all about itself. |
| |
| if (localLOGV) Slog.v( |
| TAG, "Binding process pid " + pid + " to record " + app); |
| |
| String processName = app.processName; |
| try { |
| thread.asBinder().linkToDeath(new AppDeathRecipient( |
| app, pid, thread), 0); |
| } catch (RemoteException e) { |
| app.resetPackageList(); |
| startProcessLocked(app, "link fail", processName); |
| return false; |
| } |
| |
| EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, 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.debugging = false; |
| |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); |
| |
| boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info); |
| List 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; |
| } |
| } |
| |
| // 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); |
| thread.bindApplication(processName, appInfo, providers, |
| app.instrumentationClass, app.instrumentationProfileFile, |
| app.instrumentationArguments, app.instrumentationWatcher, testMode, |
| isRestrictedBackupMode || !normalMode, |
| mConfiguration, app.compat, getCommonServicesLocked(), |
| mCoreSettingsObserver.getCoreSettingsLocked()); |
| updateLruProcessLocked(app, false, true); |
| 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(); |
| 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... |
| ActivityRecord hr = mMainStack.topRunningActivityLocked(null); |
| if (hr != null && normalMode) { |
| if (hr.app == null && app.info.uid == hr.info.applicationInfo.uid |
| && processName.equals(hr.processName)) { |
| try { |
| if (mMainStack.realStartActivityLocked(hr, app, true, true)) { |
| didSomething = true; |
| } |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception in new application when starting activity " |
| + hr.intent.getComponent().flattenToShortString(), e); |
| badApp = true; |
| } |
| } else { |
| mMainStack.ensureActivitiesVisibleLocked(hr, null, processName, 0); |
| } |
| } |
| |
| // Find any services that should be running in this process... |
| if (!badApp && mPendingServices.size() > 0) { |
| ServiceRecord sr = null; |
| try { |
| for (int i=0; i<mPendingServices.size(); i++) { |
| sr = mPendingServices.get(i); |
| if (app.info.uid != sr.appInfo.uid |
| || !processName.equals(sr.processName)) { |
| continue; |
| } |
| |
| mPendingServices.remove(i); |
| i--; |
| realStartServiceLocked(sr, app); |
| didSomething = true; |
| } |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception in new application when starting service " |
| + sr.shortName, e); |
| badApp = true; |
| } |
| } |
| |
| // Check if the next broadcast receiver is in this process... |
| BroadcastRecord br = mPendingBroadcast; |
| if (!badApp && br != null && br.curApp == app) { |
| try { |
| mPendingBroadcast = null; |
| processCurBroadcastLocked(br, app); |
| didSomething = true; |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception in new application when starting receiver " |
| + br.curComponent.flattenToShortString(), e); |
| badApp = true; |
| logBroadcastReceiverDiscardLocked(br); |
| finishReceiverLocked(br.receiver, br.resultCode, br.resultData, |
| br.resultExtras, br.resultAbort, true); |
| scheduleBroadcastsLocked(); |
| // We need to reset the state if we fails to start the receiver. |
| br.state = BroadcastRecord.IDLE; |
| } |
| } |
| |
| // Check whether the next backup agent is in this process... |
| if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.info.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); |
| return false; |
| } |
| |
| if (!didSomething) { |
| updateOomAdjLocked(); |
| } |
| |
| return true; |
| } |
| |
| public final void attachApplication(IApplicationThread thread) { |
| synchronized (this) { |
| int callingPid = Binder.getCallingPid(); |
| final long origId = Binder.clearCallingIdentity(); |
| attachApplicationLocked(thread, callingPid); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public final void activityIdle(IBinder token, Configuration config) { |
| final long origId = Binder.clearCallingIdentity(); |
| mMainStack.activityIdleInternal(token, false, config); |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| void enableScreenAfterBoot() { |
| EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_ENABLE_SCREEN, |
| SystemClock.uptimeMillis()); |
| mWindowManager.enableScreenAfterBoot(); |
| } |
| |
| 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)) { |
| 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"); |
| broadcastIntentLocked(null, null, |
| new Intent(Intent.ACTION_BOOT_COMPLETED, null), |
| null, null, 0, null, null, |
| android.Manifest.permission.RECEIVE_BOOT_COMPLETED, |
| false, false, MY_PID, Process.SYSTEM_UID); |
| } |
| } |
| } |
| |
| final void ensureBootCompleted() { |
| boolean booting; |
| boolean enableScreen; |
| synchronized (this) { |
| booting = mBooting; |
| mBooting = false; |
| enableScreen = !mBooted; |
| mBooted = true; |
| } |
| |
| if (booting) { |
| finishBooting(); |
| } |
| |
| if (enableScreen) { |
| enableScreenAfterBoot(); |
| } |
| } |
| |
| public final void activityPaused(IBinder token) { |
| final long origId = Binder.clearCallingIdentity(); |
| mMainStack.activityPaused(token, false); |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| 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) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index >= 0) { |
| r = (ActivityRecord)mMainStack.mHistory.get(index); |
| r.icicle = icicle; |
| r.haveState = true; |
| r.updateThumbnail(thumbnail, description); |
| r.stopped = true; |
| r.state = ActivityState.STOPPED; |
| if (!r.finishing) { |
| if (r.configDestroy) { |
| r.stack.destroyActivityLocked(r, true); |
| r.stack.resumeTopActivityLocked(null); |
| } |
| } |
| } |
| } |
| |
| if (r != null) { |
| sendPendingThumbnail(r, null, null, null, false); |
| } |
| |
| trimApplications(); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| public final void activityDestroyed(IBinder token) { |
| if (DEBUG_SWITCH) Slog.v(TAG, "ACTIVITY DESTROYED: " + token); |
| mMainStack.activityDestroyed(token); |
| } |
| |
| public String getCallingPackage(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = getCallingRecordLocked(token); |
| return r != null && r.app != null ? r.info.packageName : null; |
| } |
| } |
| |
| public ComponentName getCallingActivity(IBinder token) { |
| synchronized (this) { |
| ActivityRecord r = getCallingRecordLocked(token); |
| return r != null ? r.intent.getComponent() : null; |
| } |
| } |
| |
| private ActivityRecord getCallingRecordLocked(IBinder token) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index >= 0) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| if (r != null) { |
| return r.resultTo; |
| } |
| } |
| return null; |
| } |
| |
| public ComponentName getActivityClassForToken(IBinder token) { |
| synchronized(this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index >= 0) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| return r.intent.getComponent(); |
| } |
| return null; |
| } |
| } |
| |
| public String getPackageForToken(IBinder token) { |
| synchronized(this) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index >= 0) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| return r.packageName; |
| } |
| return null; |
| } |
| } |
| |
| public IIntentSender getIntentSender(int type, |
| String packageName, IBinder token, String resultWho, |
| int requestCode, Intent[] intents, String[] resolvedTypes, int flags) { |
| // 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 == 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"); |
| } |
| } |
| |
| synchronized(this) { |
| int callingUid = Binder.getCallingUid(); |
| try { |
| if (callingUid != 0 && callingUid != Process.SYSTEM_UID && |
| Process.supportsProcesses()) { |
| int uid = AppGlobals.getPackageManager() |
| .getPackageUid(packageName); |
| if (uid != Binder.getCallingUid()) { |
| 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, |
| token, resultWho, requestCode, intents, resolvedTypes, flags); |
| |
| } catch (RemoteException e) { |
| throw new SecurityException(e); |
| } |
| } |
| } |
| |
| IIntentSender getIntentSenderLocked(int type, |
| String packageName, int callingUid, IBinder token, String resultWho, |
| int requestCode, Intent[] intents, String[] resolvedTypes, int flags) { |
| ActivityRecord activity = null; |
| if (type == INTENT_SENDER_ACTIVITY_RESULT) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return null; |
| } |
| activity = (ActivityRecord)mMainStack.mHistory.get(index); |
| 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); |
| 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[0] : 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 == INTENT_SENDER_ACTIVITY_RESULT) { |
| if (activity.pendingResults == null) { |
| activity.pendingResults |
| = new HashSet<WeakReference<PendingIntentRecord>>(); |
| } |
| activity.pendingResults.add(rec.ref); |
| } |
| return rec; |
| } |
| |
| 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); |
| if (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); |
| } |
| } |
| |
| 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; |
| } |
| |
| public void setProcessLimit(int max) { |
| enforceCallingPermission(android.Manifest.permission.SET_PROCESS_LIMIT, |
| "setProcessLimit()"); |
| mProcessLimit = max; |
| } |
| |
| public int getProcessLimit() { |
| return mProcessLimit; |
| } |
| |
| 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(); |
| } |
| } |
| |
| 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) { |
| 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); |
| pr.forcingToForeground = null; |
| changed = true; |
| } |
| if (isForeground && token != null) { |
| ForegroundToken newToken = new ForegroundToken() { |
| 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; |
| } |
| |
| public boolean checkPermission(String permission, int pid, int uid) { |
| return mActivityManagerService.checkPermission(permission, pid, |
| uid) == PackageManager.PERMISSION_GRANTED; |
| } |
| } |
| |
| /** |
| * 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; |
| } |
| |
| // Root, system server and our own process get to do everything. |
| if (uid == 0 || uid == Process.SYSTEM_UID || pid == MY_PID || |
| !Process.supportsProcesses()) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| // If there is a uid that owns whatever is being accessed, it has |
| // blanket access to it regardless of the permissions it requires. |
| if (owningUid >= 0 && uid == owningUid) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| // If the target is not exported, then nobody else can get to it. |
| if (!exported) { |
| Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid); |
| return PackageManager.PERMISSION_DENIED; |
| } |
| if (permission == null) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| try { |
| return AppGlobals.getPackageManager() |
| .checkUidPermission(permission, uid); |
| } catch (RemoteException e) { |
| // Should never happen, but if it does... deny! |
| Slog.e(TAG, "PackageManager is dead?!?", e); |
| } |
| return PackageManager.PERMISSION_DENIED; |
| } |
| |
| /** |
| * 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. |
| */ |
| public int checkPermission(String permission, int pid, int uid) { |
| if (permission == null) { |
| return PackageManager.PERMISSION_DENIED; |
| } |
| return checkComponentPermission(permission, pid, 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(), |
| 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); |
| } |
| |
| private final boolean checkHoldingPermissionsLocked(IPackageManager pm, |
| ProviderInfo pi, Uri uri, int uid, int modeFlags) { |
| boolean readPerm = (modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) == 0; |
| boolean writePerm = (modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) == 0; |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "checkHoldingPermissionsLocked: uri=" + uri + " uid=" + uid); |
| try { |
| // Is the component private from the target uid? |
| final boolean prv = !pi.exported && pi.applicationInfo.uid != uid; |
| |
| // Acceptable if the there is no read permission needed from the |
| // target or the target is holding the read permission. |
| if (!readPerm) { |
| if ((!prv && pi.readPermission == null) || |
| (pm.checkUidPermission(pi.readPermission, uid) |
| == PackageManager.PERMISSION_GRANTED)) { |
| readPerm = true; |
| } |
| } |
| |
| // Acceptable if the there is no write permission needed from the |
| // target or the target is holding the read permission. |
| if (!writePerm) { |
| if (!prv && (pi.writePermission == null) || |
| (pm.checkUidPermission(pi.writePermission, uid) |
| == PackageManager.PERMISSION_GRANTED)) { |
| writePerm = true; |
| } |
| } |
| |
| // Acceptable if there is a path permission matching the URI that |
| // the target holds the permission on. |
| PathPermission[] pps = pi.pathPermissions; |
| if (pps != null && (!readPerm || !writePerm)) { |
| final String path = uri.getPath(); |
| int i = pps.length; |
| while (i > 0 && (!readPerm || !writePerm)) { |
| i--; |
| PathPermission pp = pps[i]; |
| if (!readPerm) { |
| 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 && pp.match(path) && |
| (pm.checkUidPermission(pprperm, uid) |
| == PackageManager.PERMISSION_GRANTED)) { |
| readPerm = true; |
| } |
| } |
| if (!writePerm) { |
| 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 && pp.match(path) && |
| (pm.checkUidPermission(ppwperm, uid) |
| == PackageManager.PERMISSION_GRANTED)) { |
| writePerm = true; |
| } |
| } |
| } |
| } |
| } catch (RemoteException e) { |
| return false; |
| } |
| |
| return readPerm && writePerm; |
| } |
| |
| private final boolean checkUriPermissionLocked(Uri uri, int uid, |
| int modeFlags) { |
| // Root gets to do everything. |
| if (uid == 0 || !Process.supportsProcesses()) { |
| 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; |
| } |
| |
| public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) { |
| // 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). |
| */ |
| int checkGrantUriPermissionLocked(int callingUid, String targetPkg, |
| Uri uri, int modeFlags) { |
| 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; |
| } |
| |
| String name = uri.getAuthority(); |
| ProviderInfo pi = null; |
| ContentProviderRecord cpr = mProvidersByName.get(name); |
| if (cpr != null) { |
| pi = cpr.info; |
| } else { |
| try { |
| pi = pm.resolveContentProvider(name, |
| PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| } |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for: " + name); |
| return -1; |
| } |
| |
| int targetUid; |
| if (targetPkg != null) { |
| try { |
| targetUid = pm.getPackageUid(targetPkg); |
| 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; |
| } |
| } else { |
| targetUid = -1; |
| } |
| |
| if (targetUid >= 0) { |
| // First... does the target actually need this permission? |
| if (checkHoldingPermissionsLocked(pm, pi, uri, targetUid, modeFlags)) { |
| // 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) { |
| 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; |
| } |
| |
| public int checkGrantUriPermission(int callingUid, String targetPkg, |
| Uri uri, int modeFlags) { |
| synchronized(this) { |
| return checkGrantUriPermissionLocked(callingUid, targetPkg, uri, modeFlags); |
| } |
| } |
| |
| void grantUriPermissionUncheckedLocked(int targetUid, String targetPkg, |
| Uri uri, int modeFlags, UriPermissionOwner owner) { |
| 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); |
| |
| HashMap<Uri, UriPermission> targetUris |
| = mGrantedUriPermissions.get(targetUid); |
| if (targetUris == null) { |
| targetUris = new HashMap<Uri, UriPermission>(); |
| mGrantedUriPermissions.put(targetUid, targetUris); |
| } |
| |
| UriPermission perm = targetUris.get(uri); |
| if (perm == null) { |
| perm = new UriPermission(targetUid, uri); |
| targetUris.put(uri, perm); |
| } |
| |
| perm.modeFlags |= modeFlags; |
| if (owner == null) { |
| perm.globalModeFlags |= modeFlags; |
| } else { |
| if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { |
| perm.readOwners.add(owner); |
| owner.addReadPermission(perm); |
| } |
| if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { |
| perm.writeOwners.add(owner); |
| owner.addWritePermission(perm); |
| } |
| } |
| } |
| |
| 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); |
| if (targetUid < 0) { |
| return; |
| } |
| |
| grantUriPermissionUncheckedLocked(targetUid, targetPkg, uri, modeFlags, owner); |
| } |
| |
| /** |
| * Like checkGrantUriPermissionLocked, but takes an Intent. |
| */ |
| int checkGrantUriPermissionFromIntentLocked(int callingUid, |
| String targetPkg, Intent intent) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Checking URI perm to " + (intent != null ? intent.getData() : null) |
| + " from " + intent + "; flags=0x" |
| + Integer.toHexString(intent != null ? intent.getFlags() : 0)); |
| |
| if (targetPkg == null) { |
| throw new NullPointerException("targetPkg"); |
| } |
| |
| if (intent == null) { |
| return -1; |
| } |
| Uri data = intent.getData(); |
| if (data == null) { |
| return -1; |
| } |
| return checkGrantUriPermissionLocked(callingUid, targetPkg, data, |
| intent.getFlags()); |
| } |
| |
| /** |
| * Like grantUriPermissionUncheckedLocked, but takes an Intent. |
| */ |
| void grantUriPermissionUncheckedFromIntentLocked(int targetUid, |
| String targetPkg, Intent intent, UriPermissionOwner owner) { |
| grantUriPermissionUncheckedLocked(targetUid, targetPkg, intent.getData(), |
| intent.getFlags(), owner); |
| } |
| |
| void grantUriPermissionFromIntentLocked(int callingUid, |
| String targetPkg, Intent intent, UriPermissionOwner owner) { |
| int targetUid = checkGrantUriPermissionFromIntentLocked(callingUid, targetPkg, intent); |
| if (targetUid < 0) { |
| return; |
| } |
| |
| grantUriPermissionUncheckedFromIntentLocked(targetUid, targetPkg, intent, owner); |
| } |
| |
| public void grantUriPermission(IApplicationThread caller, String targetPkg, |
| Uri uri, int modeFlags) { |
| 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.info.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.uid); |
| if (perms != null) { |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Removing " + perm.uid + " permission to " + perm.uri); |
| perms.remove(perm.uri); |
| if (perms.size() == 0) { |
| mGrantedUriPermissions.remove(perm.uid); |
| } |
| } |
| } |
| } |
| |
| private void revokeUriPermissionLocked(int callingUid, Uri uri, |
| int modeFlags) { |
| modeFlags &= (Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); |
| if (modeFlags == 0) { |
| return; |
| } |
| |
| if (DEBUG_URI_PERMISSION) Slog.v(TAG, |
| "Revoking all granted permissions to " + uri); |
| |
| final IPackageManager pm = AppGlobals.getPackageManager(); |
| |
| final String authority = uri.getAuthority(); |
| ProviderInfo pi = null; |
| ContentProviderRecord cpr = mProvidersByName.get(authority); |
| if (cpr != null) { |
| pi = cpr.info; |
| } else { |
| try { |
| pi = pm.resolveContentProvider(authority, |
| PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| } |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for: " + authority); |
| 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); |
| //} |
| } |
| |
| // 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.uid + " permission to " + perm.uri); |
| perm.clearModes(modeFlags); |
| if (perm.modeFlags == 0) { |
| it.remove(); |
| } |
| } |
| if (perms.size() == 0) { |
| mGrantedUriPermissions.remove( |
| mGrantedUriPermissions.keyAt(i)); |
| N--; |
| i--; |
| } |
| } |
| } |
| } |
| |
| public void revokeUriPermission(IApplicationThread caller, Uri uri, |
| int modeFlags) { |
| 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; |
| } |
| |
| 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(); |
| ProviderInfo pi = null; |
| ContentProviderRecord cpr = mProvidersByName.get(authority); |
| if (cpr != null) { |
| pi = cpr.info; |
| } else { |
| try { |
| pi = pm.resolveContentProvider(authority, |
| PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| } |
| if (pi == null) { |
| Slog.w(TAG, "No content provider found for: " + authority); |
| return; |
| } |
| |
| revokeUriPermissionLocked(r.info.uid, uri, modeFlags); |
| } |
| } |
| |
| @Override |
| public IBinder newUriPermissionOwner(String name) { |
| 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); |
| } |
| } |
| } |
| |
| 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) { |
| outInfo.availMem = Process.getFreeMemory(); |
| outInfo.threshold = HOME_APP_MEM; |
| outInfo.lowMemory = outInfo.availMem < |
| (HOME_APP_MEM + ((HIDDEN_APP_MEM-HOME_APP_MEM)/2)); |
| } |
| |
| // ========================================================= |
| // TASK MANAGEMENT |
| // ========================================================= |
| |
| public List getTasks(int maxNum, int flags, |
| IThumbnailReceiver receiver) { |
| ArrayList list = new ArrayList(); |
| |
| PendingThumbnailsRecord pending = null; |
| IApplicationThread topThumbnail = null; |
| 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); |
| } |
| |
| int pos = mMainStack.mHistory.size()-1; |
| ActivityRecord next = |
| pos >= 0 ? (ActivityRecord)mMainStack.mHistory.get(pos) : null; |
| ActivityRecord top = null; |
| TaskRecord curTask = null; |
| int numActivities = 0; |
| int numRunning = 0; |
| while (pos >= 0 && maxNum > 0) { |
| final ActivityRecord r = next; |
| pos--; |
| next = pos >= 0 ? (ActivityRecord)mMainStack.mHistory.get(pos) : null; |
| |
| // Initialize state for next task if needed. |
| if (top == null || |
| (top.state == ActivityState.INITIALIZING |
| && top.task == r.task)) { |
| top = r; |
| curTask = r.task; |
| numActivities = numRunning = 0; |
| } |
| |
| // Add 'r' into the current task. |
| numActivities++; |
| if (r.app != null && r.app.thread != null) { |
| numRunning++; |
| } |
| |
| if (localLOGV) Slog.v( |
| TAG, r.intent.getComponent().flattenToShortString() |
| + ": task=" + r.task); |
| |
| // If the next one is a different task, generate a new |
| // TaskInfo entry for what we have. |
| if (next == null || next.task != curTask) { |
| ActivityManager.RunningTaskInfo ci |
| = new ActivityManager.RunningTaskInfo(); |
| ci.id = curTask.taskId; |
| ci.baseActivity = r.intent.getComponent(); |
| ci.topActivity = top.intent.getComponent(); |
| if (top.thumbHolder != null) { |
| ci.description = top.thumbHolder.lastDescription; |
| } |
| ci.numActivities = numActivities; |
| ci.numRunning = numRunning; |
| //System.out.println( |
| // "#" + maxNum + ": " + " descr=" + ci.description); |
| if (ci.thumbnail == null && receiver != null) { |
| if (localLOGV) Slog.v( |
| TAG, "State=" + top.state + "Idle=" + top.idle |
| + " app=" + top.app |
| + " thr=" + (top.app != null ? top.app.thread : null)); |
| if (top.state == ActivityState.RESUMED |
| || top.state == ActivityState.PAUSING) { |
| if (top.idle && top.app != null |
| && top.app.thread != null) { |
| topRecord = top; |
| topThumbnail = top.app.thread; |
| } else { |
| top.thumbnailNeeded = true; |
| } |
| } |
| if (pending == null) { |
| pending = new PendingThumbnailsRecord(receiver); |
| } |
| pending.pendingRecords.add(top); |
| } |
| list.add(ci); |
| maxNum--; |
| top = null; |
| } |
| } |
| |
| if (pending != null) { |
| mPendingThumbnails.add(pending); |
| } |
| } |
| |
| if (localLOGV) Slog.v(TAG, "We have pending thumbnails: " + pending); |
| |
| if (topThumbnail != null) { |
| if (localLOGV) Slog.v(TAG, "Requesting top thumbnail"); |
| try { |
| topThumbnail.requestThumbnail(topRecord); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception thrown when requesting thumbnail", e); |
| sendPendingThumbnail(null, topRecord, 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; |
| } |
| |
| public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum, |
| int flags) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.GET_TASKS, |
| "getRecentTasks()"); |
| |
| 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); |
| if (((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); |
| 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) == null) { |
| continue; |
| } |
| } else if (rti.baseIntent != null) { |
| if (pm.queryIntentActivities(rti.baseIntent, |
| null, 0) == null) { |
| continue; |
| } |
| } |
| } catch (RemoteException e) { |
| // Will never happen. |
| } |
| } |
| |
| res.add(rti); |
| maxNum--; |
| } |
| } |
| return res; |
| } |
| } |
| |
| private TaskRecord taskForIdLocked(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; |
| } |
| |
| public ActivityManager.TaskThumbnails getTaskThumbnails(int id) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER, |
| "getTaskThumbnails()"); |
| TaskRecord tr = taskForIdLocked(id); |
| if (tr != null) { |
| return mMainStack.getTaskThumbnailsLocked(tr); |
| } |
| } |
| return null; |
| } |
| |
| public boolean removeSubTask(int taskId, int subTaskIndex) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, |
| "removeSubTask()"); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return mMainStack.removeTaskActivitiesLocked(taskId, subTaskIndex) != null; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private void removeTaskProcessesLocked(ActivityRecord root) { |
| TaskRecord tr = root.task; |
| 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. |
| ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); |
| for (ServiceRecord sr : mServices.values()) { |
| if (sr.packageName.equals(component.getPackageName())) { |
| services.add(sr); |
| } |
| } |
| |
| // Take care of any running services associated with the app. |
| for (int i=0; i<services.size(); i++) { |
| ServiceRecord sr = services.get(i); |
| if (sr.startRequested) { |
| if ((sr.serviceInfo.flags&ServiceInfo.FLAG_STOP_WITH_TASK) != 0) { |
| stopServiceLocked(sr); |
| } else { |
| sr.pendingStarts.add(new ServiceRecord.StartItem(sr, true, |
| sr.makeNextStartId(), baseIntent, -1)); |
| if (sr.app != null && sr.app.thread != null) { |
| sendServiceArgsLocked(sr, false); |
| } |
| } |
| } |
| } |
| |
| // Find any running processes associated with this app. |
| ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(); |
| SparseArray<ProcessRecord> appProcs |
| = mProcessNames.getMap().get(component.getPackageName()); |
| if (appProcs != null) { |
| for (int i=0; i<appProcs.size(); i++) { |
| procs.add(appProcs.valueAt(i)); |
| } |
| } |
| |
| // 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 + ": remove task"); |
| EventLog.writeEvent(EventLogTags.AM_KILL, pr.pid, |
| pr.processName, pr.setAdj, "remove task"); |
| Process.killProcessQuiet(pr.pid); |
| } else { |
| pr.waitingToKill = "remove task"; |
| } |
| } |
| } |
| |
| public boolean removeTask(int taskId, int flags) { |
| synchronized (this) { |
| enforceCallingPermission(android.Manifest.permission.REMOVE_TASKS, |
| "removeTask()"); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| ActivityRecord r = mMainStack.removeTaskActivitiesLocked(taskId, -1); |
| if (r != null) { |
| mRecentTasks.remove(r.task); |
| |
| if ((flags&ActivityManager.REMOVE_TASK_KILL_PROCESS) != 0) { |
| removeTaskProcessesLocked(r); |
| } |
| |
| return true; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| return false; |
| } |
| |
| private final int findAffinityTaskTopLocked(int startIndex, String affinity) { |
| int j; |
| TaskRecord startTask = ((ActivityRecord)mMainStack.mHistory.get(startIndex)).task; |
| TaskRecord jt = startTask; |
| |
| // First look backwards |
| for (j=startIndex-1; j>=0; j--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(j); |
| if (r.task != jt) { |
| jt = r.task; |
| if (affinity.equals(jt.affinity)) { |
| return j; |
| } |
| } |
| } |
| |
| // Now look forwards |
| final int N = mMainStack.mHistory.size(); |
| jt = startTask; |
| for (j=startIndex+1; j<N; j++) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(j); |
| if (r.task != jt) { |
| if (affinity.equals(jt.affinity)) { |
| return j; |
| } |
| jt = r.task; |
| } |
| } |
| |
| // Might it be at the top? |
| if (affinity.equals(((ActivityRecord)mMainStack.mHistory.get(N-1)).task.affinity)) { |
| return N-1; |
| } |
| |
| return -1; |
| } |
| |
| /** |
| * TODO: Add mController hook |
| */ |
| public void moveTaskToFront(int task, int flags) { |
| enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| "moveTaskToFront()"); |
| |
| synchronized(this) { |
| if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), |
| Binder.getCallingUid(), "Task to front")) { |
| return; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| TaskRecord tr = taskForIdLocked(task); |
| if (tr != null) { |
| if ((flags&ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) { |
| mMainStack.mUserLeaving = true; |
| } |
| if ((flags&ActivityManager.MOVE_TASK_WITH_HOME) != 0) { |
| // Caller wants the home activity moved with it. To accomplish this, |
| // we'll just move the home task to the top first. |
| mMainStack.moveHomeToFrontLocked(); |
| } |
| mMainStack.moveTaskToFrontLocked(tr, null); |
| return; |
| } |
| for (int i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord hr = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (hr.task.taskId == task) { |
| if ((flags&ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) { |
| mMainStack.mUserLeaving = true; |
| } |
| if ((flags&ActivityManager.MOVE_TASK_WITH_HOME) != 0) { |
| // Caller wants the home activity moved with it. To accomplish this, |
| // we'll just move the home task to the top first. |
| mMainStack.moveHomeToFrontLocked(); |
| } |
| mMainStack.moveTaskToFrontLocked(hr.task, null); |
| return; |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| public void moveTaskToBack(int task) { |
| enforceCallingPermission(android.Manifest.permission.REORDER_TASKS, |
| "moveTaskToBack()"); |
| |
| synchronized(this) { |
| if (mMainStack.mResumedActivity != null |
| && mMainStack.mResumedActivity.task.taskId == task) { |
| if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(), |
| Binder.getCallingUid(), "Task to back")) { |
| return; |
| } |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| mMainStack.moveTaskToBackLocked(task, 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. |
| */ |
| public boolean moveActivityTaskToBack(IBinder token, boolean nonRoot) { |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| int taskId = getTaskForActivityLocked(token, !nonRoot); |
| if (taskId >= 0) { |
| return mMainStack.moveTaskToBackLocked(taskId, null); |
| } |
| Binder.restoreCallingIdentity(origId); |
| } |
| return false; |
| } |
| |
| 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!"); |
| } |
| |
| public int getTaskForActivity(IBinder token, boolean onlyRoot) { |
| synchronized(this) { |
| return getTaskForActivityLocked(token, onlyRoot); |
| } |
| } |
| |
| int getTaskForActivityLocked(IBinder token, boolean onlyRoot) { |
| final int N = mMainStack.mHistory.size(); |
| TaskRecord lastTask = null; |
| for (int i=0; i<N; i++) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r == token) { |
| if (!onlyRoot || lastTask != r.task) { |
| return r.task.taskId; |
| } |
| return -1; |
| } |
| lastTask = r.task; |
| } |
| |
| return -1; |
| } |
| |
| public void finishOtherInstances(IBinder token, ComponentName className) { |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| |
| int N = mMainStack.mHistory.size(); |
| TaskRecord lastTask = null; |
| for (int i=0; i<N; i++) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r.realActivity.equals(className) |
| && r != token && lastTask != r.task) { |
| if (r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED, |
| null, "others")) { |
| i--; |
| N--; |
| } |
| } |
| lastTask = r.task; |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| // ========================================================= |
| // 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 = null; |
| ArrayList receivers = null; |
| |
| //System.out.println("Send pending thumbnail: " + r); |
| |
| synchronized(this) { |
| if (r == null) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index < 0) { |
| return; |
| } |
| r = (ActivityRecord)mMainStack.mHistory.get(index); |
| } |
| 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 = |
| (PendingThumbnailsRecord)mPendingThumbnails.get(i); |
| //System.out.println("Looking in " + pr.pendingRecords); |
| if (pr.pendingRecords.remove(r)) { |
| if (receivers == null) { |
| receivers = new ArrayList(); |
| } |
| 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 = |
| (PendingThumbnailsRecord)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 generateApplicationProvidersLocked(ProcessRecord app) { |
| List providers = null; |
| try { |
| providers = AppGlobals.getPackageManager(). |
| queryContentProviders(app.processName, app.info.uid, |
| STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| if (providers != null) { |
| final int N = providers.size(); |
| for (int i=0; i<N; i++) { |
| ProviderInfo cpi = |
| (ProviderInfo)providers.get(i); |
| ContentProviderRecord cpr = mProvidersByClass.get(cpi.name); |
| if (cpr == null) { |
| cpr = new ContentProviderRecord(cpi, app.info); |
| mProvidersByClass.put(cpi.name, cpr); |
| } |
| app.pubProviders.put(cpi.name, cpr); |
| app.addPackage(cpi.applicationInfo.packageName); |
| ensurePackageDexOpt(cpi.applicationInfo.packageName); |
| } |
| } |
| return providers; |
| } |
| |
| private final String checkContentProviderPermissionLocked( |
| ProviderInfo cpi, ProcessRecord r) { |
| final int callingPid = (r != null) ? r.pid : Binder.getCallingPid(); |
| final int callingUid = (r != null) ? r.info.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; |
| } |
| |
| private final ContentProviderHolder getContentProviderImpl( |
| IApplicationThread caller, String name) { |
| ContentProviderRecord cpr; |
| 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 = mProvidersByName.get(name); |
| if (cpr != null) { |
| 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. |
| if (cpr.provider != null) { |
| // don't give caller the provider object, it needs |
| // to make its own. |
| cpr = new ContentProviderRecord(cpr); |
| } |
| return cpr; |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| // In this case the provider instance already exists, so we can |
| // return it right away. |
| if (r != null) { |
| if (DEBUG_PROVIDER) Slog.v(TAG, |
| "Adding provider requested by " |
| + r.processName + " from process " |
| + cpr.info.processName); |
| Integer cnt = r.conProviders.get(cpr); |
| if (cnt == null) { |
| r.conProviders.put(cpr, new Integer(1)); |
| } else { |
| r.conProviders.put(cpr, new Integer(cnt.intValue()+1)); |
| } |
| cpr.clients.add(r); |
| if (cpr.app != null && r.setAdj <= 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.app, false, true); |
| } |
| } else { |
| cpr.externals++; |
| } |
| |
| if (cpr.app != null) { |
| updateOomAdjLocked(cpr.app); |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| |
| } else { |
| try { |
| cpi = AppGlobals.getPackageManager(). |
| resolveContentProvider(name, |
| STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS); |
| } catch (RemoteException ex) { |
| } |
| if (cpi == null) { |
| return null; |
| } |
| |
| 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"); |
| } |
| |
| cpr = mProvidersByClass.get(cpi.name); |
| final boolean firstClass = cpr == null; |
| if (firstClass) { |
| try { |
| ApplicationInfo ai = |
| AppGlobals.getPackageManager(). |
| getApplicationInfo( |
| cpi.applicationInfo.packageName, |
| STOCK_PM_FLAGS); |
| if (ai == null) { |
| Slog.w(TAG, "No package info for content provider " |
| + cpi.name); |
| return null; |
| } |
| cpr = new ContentProviderRecord(cpi, ai); |
| } 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; |
| } |
| |
| if (DEBUG_PROVIDER) { |
| RuntimeException e = new RuntimeException("here"); |
| Slog.w(TAG, "LAUNCHING REMOTE PROVIDER (myuid " + r.info.uid |
| + " 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); |
| } 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); |
| 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) { |
| mProvidersByClass.put(cpi.name, cpr); |
| } |
| mProvidersByName.put(name, cpr); |
| |
| if (r != null) { |
| if (DEBUG_PROVIDER) Slog.v(TAG, |
| "Adding provider requested by " |
| + r.processName + " from process " |
| + cpr.info.processName); |
| Integer cnt = r.conProviders.get(cpr); |
| if (cnt == null) { |
| r.conProviders.put(cpr, new Integer(1)); |
| } else { |
| r.conProviders.put(cpr, new Integer(cnt.intValue()+1)); |
| } |
| cpr.clients.add(r); |
| } else { |
| cpr.externals++; |
| } |
| } |
| } |
| |
| // 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, |
| cpi.applicationInfo.packageName, |
| cpi.applicationInfo.uid, name); |
| return null; |
| } |
| try { |
| cpr.wait(); |
| } catch (InterruptedException ex) { |
| } |
| } |
| } |
| return cpr; |
| } |
| |
| public final ContentProviderHolder getContentProvider( |
| IApplicationThread caller, String name) { |
| if (caller == null) { |
| String msg = "null IApplicationThread when getting content provider " |
| + name; |
| Slog.w(TAG, msg); |
| throw new SecurityException(msg); |
| } |
| |
| return getContentProviderImpl(caller, name); |
| } |
| |
| private ContentProviderHolder getContentProviderExternal(String name) { |
| return getContentProviderImpl(null, name); |
| } |
| |
| /** |
| * Drop a content provider from a ProcessRecord's bookkeeping |
| * @param cpr |
| */ |
| public void removeContentProvider(IApplicationThread caller, String name) { |
| synchronized (this) { |
| ContentProviderRecord cpr = mProvidersByName.get(name); |
| if(cpr == null) { |
| // remove from mProvidersByClass |
| if (DEBUG_PROVIDER) Slog.v(TAG, name + |
| " provider not found in providers list"); |
| return; |
| } |
| final ProcessRecord r = getRecordForAppLocked(caller); |
| if (r == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller + |
| " when removing content provider " + name); |
| } |
| //update content provider record entry info |
| ContentProviderRecord localCpr = mProvidersByClass.get(cpr.info.name); |
| if (DEBUG_PROVIDER) Slog.v(TAG, "Removing provider requested by " |
| + r.info.processName + " from process " |
| + localCpr.appInfo.processName); |
| if (localCpr.app == r) { |
| //should not happen. taken care of as a local provider |
| Slog.w(TAG, "removeContentProvider called on local provider: " |
| + cpr.info.name + " in process " + r.processName); |
| return; |
| } else { |
| Integer cnt = r.conProviders.get(localCpr); |
| if (cnt == null || cnt.intValue() <= 1) { |
| localCpr.clients.remove(r); |
| r.conProviders.remove(localCpr); |
| } else { |
| r.conProviders.put(localCpr, new Integer(cnt.intValue()-1)); |
| } |
| } |
| updateOomAdjLocked(); |
| } |
| } |
| |
| private void removeContentProviderExternal(String name) { |
| synchronized (this) { |
| ContentProviderRecord cpr = mProvidersByName.get(name); |
| 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 |
| ContentProviderRecord localCpr = mProvidersByClass.get(cpr.info.name); |
| localCpr.externals--; |
| if (localCpr.externals < 0) { |
| Slog.e(TAG, "Externals < 0 for content provider " + localCpr); |
| } |
| updateOomAdjLocked(); |
| } |
| } |
| |
| public final void publishContentProviders(IApplicationThread caller, |
| List<ContentProviderHolder> providers) { |
| if (providers == null) { |
| return; |
| } |
| |
| synchronized(this) { |
| final ProcessRecord r = getRecordForAppLocked(caller); |
| 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 (dst != null) { |
| mProvidersByClass.put(dst.info.name, dst); |
| String names[] = dst.info.authority.split(";"); |
| for (int j = 0; j < names.length; j++) { |
| mProvidersByName.put(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.app = r; |
| dst.notifyAll(); |
| } |
| updateOomAdjLocked(r); |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public static final void installSystemProviders() { |
| List 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); |
| } |
| |
| /** |
| * 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) { |
| final String name = uri.getAuthority(); |
| final long ident = Binder.clearCallingIdentity(); |
| ContentProviderHolder holder = null; |
| |
| try { |
| holder = getContentProviderExternal(name); |
| 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) { |
| removeContentProviderExternal(name); |
| } |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return null; |
| } |
| |
| // ========================================================= |
| // GLOBAL MANAGEMENT |
| // ========================================================= |
| |
| final ProcessRecord newProcessRecordLocked(IApplicationThread thread, |
| ApplicationInfo info, String customProcess) { |
| String proc = customProcess != null ? customProcess : info.processName; |
| BatteryStatsImpl.Uid.Proc ps = null; |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| ps = stats.getProcessStatsLocked(info.uid, proc); |
| } |
| return new ProcessRecord(ps, thread, info, proc); |
| } |
| |
| final ProcessRecord addAppLocked(ApplicationInfo info) { |
| ProcessRecord app = getProcessRecordLocked(info.processName, info.uid); |
| |
| if (app == null) { |
| app = newProcessRecordLocked(null, info, null); |
| mProcessNames.put(info.processName, info.uid, app); |
| updateLruProcessLocked(app, true, true); |
| } |
| |
| // This package really, really can not be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| info.packageName, false); |
| } 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 = CORE_SERVER_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) { |
| int count = mMainStack.mHistory.size(); |
| if (DEBUG_SWITCH) Slog.d( |
| TAG, "Performing unhandledBack(): stack size = " + count); |
| if (count > 1) { |
| final long origId = Binder.clearCallingIdentity(); |
| mMainStack.finishActivityLocked((ActivityRecord)mMainStack.mHistory.get(count-1), |
| count-1, Activity.RESULT_CANCELED, null, "unhandled-back"); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| public ParcelFileDescriptor openContentUri(Uri uri) throws RemoteException { |
| String name = uri.getAuthority(); |
| ContentProviderHolder cph = getContentProviderExternal(name); |
| 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(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. |
| removeContentProviderExternal(name); |
| } 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 isSleeping() { |
| return mSleeping || mShuttingDown; |
| } |
| |
| public void goingToSleep() { |
| synchronized(this) { |
| mSleeping = true; |
| mWindowManager.setEventDispatching(false); |
| |
| mMainStack.stopIfSleepingLocked(); |
| |
| // 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); |
| } |
| } |
| |
| 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; |
| mWindowManager.setEventDispatching(false); |
| |
| if (mMainStack.mResumedActivity != null) { |
| mMainStack.stopIfSleepingLocked(); |
| final long endTime = System.currentTimeMillis() + timeout; |
| while (mMainStack.mResumedActivity != null |
| || mMainStack.mPausingActivity != null) { |
| long delay = endTime - System.currentTimeMillis(); |
| if (delay <= 0) { |
| Slog.w(TAG, "Activity manager shutdown timed out"); |
| timedout = true; |
| break; |
| } |
| try { |
| this.wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| } |
| |
| 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) { |
| int index = mMainStack.indexOfTokenLocked(token); |
| if (index >= 0) { |
| r = (ActivityRecord)mMainStack.mHistory.get(index); |
| mMainStack.activitySleptLocked(r); |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| public void wakingUp() { |
| synchronized(this) { |
| mWindowManager.setEventDispatching(true); |
| mSleeping = false; |
| mMainStack.awakeFromSleepingLocked(); |
| mMainStack.resumeTopActivityLocked(null); |
| } |
| } |
| |
| 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.System.putString( |
| resolver, Settings.System.DEBUG_APP, |
| packageName); |
| Settings.System.putInt( |
| resolver, Settings.System.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); |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| public void setAlwaysFinish(boolean enabled) { |
| enforceCallingPermission(android.Manifest.permission.SET_ALWAYS_FINISH, |
| "setAlwaysFinish()"); |
| |
| Settings.System.putInt( |
| mContext.getContentResolver(), |
| Settings.System.ALWAYS_FINISH_ACTIVITIES, enabled ? 1 : 0); |
| |
| synchronized (this) { |
| mAlwaysFinishActivities = enabled; |
| } |
| } |
| |
| public void setActivityController(IActivityController controller) { |
| enforceCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER, |
| "setActivityController()"); |
| synchronized (this) { |
| mController = controller; |
| } |
| } |
| |
| public boolean isUserAMonkey() { |
| // For now the fact that there is a controller implies |
| // we have a monkey. |
| synchronized (this) { |
| return mController != null; |
| } |
| } |
| |
| public void registerActivityWatcher(IActivityWatcher watcher) { |
| synchronized (this) { |
| mWatchers.register(watcher); |
| } |
| } |
| |
| public void unregisterActivityWatcher(IActivityWatcher watcher) { |
| synchronized (this) { |
| mWatchers.unregister(watcher); |
| } |
| } |
| |
| public void registerProcessObserver(IProcessObserver observer) { |
| mProcessObservers.register(observer); |
| } |
| |
| public void unregisterProcessObserver(IProcessObserver observer) { |
| mProcessObservers.unregister(observer); |
| } |
| |
| public void setImmersive(IBinder token, boolean immersive) { |
| synchronized(this) { |
| int index = (token != null) ? mMainStack.indexOfTokenLocked(token) : -1; |
| if (index < 0) { |
| throw new IllegalArgumentException(); |
| } |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| r.immersive = immersive; |
| } |
| } |
| |
| public boolean isImmersive(IBinder token) { |
| synchronized (this) { |
| int index = (token != null) ? mMainStack.indexOfTokenLocked(token) : -1; |
| if (index < 0) { |
| throw new IllegalArgumentException(); |
| } |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(index); |
| return r.immersive; |
| } |
| } |
| |
| public boolean isTopActivityImmersive() { |
| synchronized (this) { |
| ActivityRecord r = mMainStack.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.LEFT; |
| lp.format = v.getBackground().getOpacity(); |
| lp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; |
| ((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 < EMPTY_APP_ADJ && worstType > HIDDEN_APP_MIN_ADJ) { |
| worstType = HIDDEN_APP_MIN_ADJ; |
| } |
| |
| // If this is not a secure call, don't let it kill processes that |
| // are important. |
| if (!secure && worstType < SECONDARY_SERVER_ADJ) { |
| worstType = SECONDARY_SERVER_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.pid, |
| proc.processName, adj, reason); |
| killed = true; |
| proc.killedBackground = true; |
| Process.killProcessQuiet(pids[i]); |
| } |
| } |
| } |
| return killed; |
| } |
| |
| 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.System.getString( |
| resolver, Settings.System.DEBUG_APP); |
| boolean waitForDebugger = Settings.System.getInt( |
| resolver, Settings.System.WAIT_FOR_DEBUGGER, 0) != 0; |
| boolean alwaysFinishActivities = Settings.System.getInt( |
| resolver, Settings.System.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. |
| mConfiguration.updateFrom(configuration); |
| mConfigurationSeq = mConfiguration.seq = 1; |
| 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; |
| } |
| |
| 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 vers = dis.readInt(); |
| String codename = dis.readUTF(); |
| if (vers == android.os.Build.VERSION.SDK_INT |
| && codename.equals(android.os.Build.VERSION.CODENAME)) { |
| 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(android.os.Build.VERSION.SDK_INT); |
| dos.writeUTF(android.os.Build.VERSION.CODENAME); |
| 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) { |
| // In the simulator, startRunning will never have been called, which |
| // normally sets a few crucial variables. Do it here instead. |
| if (!Process.supportsProcesses()) { |
| mStartRunning = true; |
| mTopAction = Intent.ACTION_MAIN; |
| } |
| |
| 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); |
| } 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--; |
| } |
| } |
| |
| 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); |
| IIntentReceiver finisher = null; |
| if (i == ris.size()-1) { |
| finisher = new IIntentReceiver.Stub() { |
| public void performReceive(Intent intent, int resultCode, |
| String data, Bundle extras, boolean ordered, |
| boolean sticky) { |
| // 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); |
| systemReady(goingCallback); |
| } |
| }); |
| } |
| }; |
| } |
| Slog.i(TAG, "Sending system update to: " + intent.getComponent()); |
| broadcastIntentLocked(null, null, intent, null, finisher, |
| 0, null, null, null, true, false, MY_PID, Process.SYSTEM_UID); |
| if (finisher != null) { |
| mWaitingUpdate = true; |
| } |
| } |
| } |
| if (mWaitingUpdate) { |
| return; |
| } |
| mDidUpdate = true; |
| } |
| |
| 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); |
| } |
| } |
| |
| // 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(); |
| |
| 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); |
| } |
| } |
| } |
| } 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) { |
| } |
| |
| mMainStack.resumeTopActivityLocked(null); |
| } |
| } |
| |
| 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.pid, |
| app.processName, app.setAdj, "user's request after error"); |
| Process.killProcessQuiet(app.pid); |
| } |
| } |
| } |
| |
| private boolean handleAppCrashLocked(ProcessRecord app) { |
| long now = SystemClock.uptimeMillis(); |
| |
| Long crashTime = mProcessCrashTimes.get(app.info.processName, |
| app.info.uid); |
| if (crashTime != null && now < crashTime+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.info.processName, app.info.uid); |
| for (int i=mMainStack.mHistory.size()-1; i>=0; i--) { |
| ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i); |
| if (r.app == app) { |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED, null, "crashed"); |
| } |
| } |
| if (!app.persistent) { |
| // 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. |
| killServicesLocked(app, false); |
| // 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.info.uid, |
| app.info.processName); |
| mBadProcesses.put(app.info.processName, app.info.uid, now); |
| app.bad = true; |
| mProcessCrashTimes.remove(app.info.processName, app.info.uid); |
| app.removed = true; |
| removeProcessLocked(app, false); |
| mMainStack.resumeTopActivityLocked(null); |
| return false; |
| } |
| mMainStack.resumeTopActivityLocked(null); |
| } else { |
| ActivityRecord r = mMainStack.topRunningActivityLocked(null); |
| if (r.app == app) { |
| // If the top running activity is from this crashing |
| // process, then terminate it to avoid getting in a loop. |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| int index = mMainStack.indexOfTokenLocked(r); |
| r.stack.finishActivityLocked(r, index, |
| Activity.RESULT_CANCELED, null, "crashed"); |
| // Also terminate any activities below it that aren't yet |
| // stopped, to avoid a situation where one will get |
| // re-start our crashing activity once it gets resumed again. |
| index--; |
| if (index >= 0) { |
| r = (ActivityRecord)mMainStack.mHistory.get(index); |
| if (r.state == ActivityState.RESUMED |
| || r.state == ActivityState.PAUSING |
| || r.state == ActivityState.PAUSED) { |
| if (!r.isHomeActivity || mHomeProcess != r.app) { |
| Slog.w(TAG, " Force finishing activity " |
| + r.intent.getComponent().flattenToShortString()); |
| r.stack.finishActivityLocked(r, index, |
| Activity.RESULT_CANCELED, null, "crashed"); |
| } |
| } |
| } |
| } |
| } |
| |
| // 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 it = mHomeProcess.activities.iterator(); |
| while (it.hasNext()) { |
| ActivityRecord r = (ActivityRecord)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. |
| } |
| } |
| } |
| } |
| |
| mProcessCrashTimes.put(app.info.processName, app.info.uid, now); |
| return true; |
| } |
| |
| void startAppProblemLocked(ProcessRecord app) { |
| app.errorReportReceiver = ApplicationErrorReport.getErrorReportReceiver( |
| mContext, app.info.packageName, app.info.flags); |
| skipCurrentReceiverLocked(app); |
| } |
| |
| void skipCurrentReceiverLocked(ProcessRecord app) { |
| boolean reschedule = false; |
| BroadcastRecord r = app.curReceiver; |
| if (r != null) { |
| // The current broadcast is waiting for this app's receiver |
| // to be finished. Looks like that's not going to happen, so |
| // let the broadcast continue. |
| logBroadcastReceiverDiscardLocked(r); |
| finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| reschedule = true; |
| } |
| r = mPendingBroadcast; |
| if (r != null && r.curApp == app) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "skip & discard pending app " + r); |
| logBroadcastReceiverDiscardLocked(r); |
| finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| reschedule = true; |
| } |
| if (reschedule) { |
| scheduleBroadcastsLocked(); |
| } |
| } |
| |
| /** |
| * 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"); |
| |
| EventLog.writeEvent(EventLogTags.AM_CRASH, Binder.getCallingPid(), |
| app == null ? "system" : (r == null ? "unknown" : r.processName), |
| r == null ? -1 : r.info.flags, |
| crashInfo.exceptionClassName, |
| crashInfo.exceptionMessage, |
| crashInfo.throwFileName, |
| crashInfo.throwLineNumber); |
| |
| addErrorToDropBox("crash", r, 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 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, 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"); |
| |
| EventLog.writeEvent(EventLogTags.AM_WTF, Binder.getCallingPid(), |
| app == null ? "system" : (r == null ? "unknown" : r.processName), |
| r == null ? -1 : r.info.flags, |
| tag, crashInfo.exceptionMessage); |
| |
| addErrorToDropBox("wtf", r, null, null, tag, null, null, crashInfo); |
| |
| if (r != null && r.pid != Process.myPid() && |
| Settings.Secure.getInt(mContext.getContentResolver(), |
| Settings.Secure.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, 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: system_server\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) { |
| if (process.pid == MY_PID) { |
| sb.append("Process: system_server\n"); |
| } else { |
| sb.append("Process: ").append(process.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); |
| 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, 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, 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.Secure.ERROR_LOGCAT_PREFIX + dropboxTag; |
| int lines = Settings.Secure.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 || process.pid == MY_PID) { |
| worker.run(); // We may be about to die -- need to run this synchronously |
| } 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; |
| } |
| } |
| |
| 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) { |
| mProcessCrashTimes.put(r.info.processName, r.info.uid, |
| SystemClock.uptimeMillis()); |
| } |
| if (res == AppErrorDialog.FORCE_QUIT_AND_REPORT) { |
| appErrorIntent = createAppErrorIntentLocked(r, timeMillis, crashInfo); |
| } |
| } |
| |
| if (appErrorIntent != null) { |
| try { |
| mContext.startActivity(appErrorIntent); |
| } 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) { |
| 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) { |
| 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() { |
| // assume our apps are happy - lazy create the list |
| List<ActivityManager.ProcessErrorStateInfo> errList = null; |
| |
| synchronized (this) { |
| |
| // iterate across all processes |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord app = mLruProcesses.get(i); |
| 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; |
| } |
| |
| public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() { |
| // Lazy instantiation of list |
| List<ActivityManager.RunningAppProcessInfo> runList = null; |
| synchronized (this) { |
| // Iterate across all processes |
| for (int i=mLruProcesses.size()-1; i>=0; i--) { |
| ProcessRecord app = mLruProcesses.get(i); |
| 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()); |
| currApp.uid = app.info.uid; |
| if (mHeavyWeightProcess == app) { |
| currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE; |
| } |
| if (app.persistent) { |
| currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_PERSISTENT; |
| } |
| int adj = app.curAdj; |
| if (adj >= EMPTY_APP_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_EMPTY; |
| } else if (adj >= HIDDEN_APP_MIN_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| currApp.lru = adj - HIDDEN_APP_MIN_ADJ + 1; |
| } else if (adj >= HOME_APP_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND; |
| currApp.lru = 0; |
| } else if (adj >= SECONDARY_SERVER_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_SERVICE; |
| } else if (adj >= HEAVY_WEIGHT_APP_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_CANT_SAVE_STATE; |
| } else if (adj >= PERCEPTIBLE_APP_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERCEPTIBLE; |
| } else if (adj >= VISIBLE_APP_ADJ) { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE; |
| } else { |
| currApp.importance = ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND; |
| } |
| currApp.importanceReasonCode = app.adjTypeCode; |
| if (app.adjSource instanceof ProcessRecord) { |
| currApp.importanceReasonPid = ((ProcessRecord)app.adjSource).pid; |
| } 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() { |
| 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); |
| if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { |
| retList.add(info); |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| return retList; |
| } |
| |
| @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; |
| |
| 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]: broadcast state"); |
| pw.println(" i[ntents]: pending intent state"); |
| pw.println(" p[rocesses]: process state"); |
| pw.println(" o[om]: out of memory management"); |
| pw.println(" prov[iders]: content provider state"); |
| pw.println(" s[ervices]: service state"); |
| pw.println(" service [COMP_SPEC]: service client-side state"); |
| pw.println(" cmd may also be a COMP_SPEC to dump activities."); |
| pw.println(" COMP_SPEC may also be a component name (com.foo/.myApp),"); |
| pw.println(" a partial substring in a component name, an"); |
| pw.println(" ActivityRecord hex object identifier, or"); |
| pw.println(" \"all\" for all objects, or"); |
| pw.println(" \"top\" for the top activity."); |
| 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"); |
| } |
| } |
| |
| // 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); |
| } |
| return; |
| } else if ("broadcasts".equals(cmd) || "b".equals(cmd)) { |
| synchronized (this) { |
| dumpBroadcastsLocked(fd, pw, args, opti, true); |
| } |
| return; |
| } else if ("intents".equals(cmd) || "i".equals(cmd)) { |
| synchronized (this) { |
| dumpPendingIntentsLocked(fd, pw, args, opti, true); |
| } |
| return; |
| } else if ("processes".equals(cmd) || "p".equals(cmd)) { |
| synchronized (this) { |
| dumpProcessesLocked(fd, pw, args, opti, true); |
| } |
| return; |
| } else if ("oom".equals(cmd) || "o".equals(cmd)) { |
| synchronized (this) { |
| dumpOomLocked(fd, pw, args, opti, true); |
| } |
| return; |
| } else if ("providers".equals(cmd) || "prov".equals(cmd)) { |
| synchronized (this) { |
| dumpProvidersLocked(fd, pw, args, opti, true); |
| } |
| return; |
| } 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 (!dumpService(fd, pw, name, newArgs, 0, dumpAll)) { |
| pw.println("No services match: " + name); |
| pw.println("Use -h for help."); |
| } |
| return; |
| } else if ("services".equals(cmd) || "s".equals(cmd)) { |
| synchronized (this) { |
| dumpServicesLocked(fd, pw, args, opti, true, dumpClient); |
| } |
| return; |
| } 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."); |
| } |
| return; |
| } |
| } |
| |
| // No piece of data specified, dump everything. |
| synchronized (this) { |
| boolean needSep; |
| needSep = dumpPendingIntentsLocked(fd, pw, args, opti, dumpAll); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpBroadcastsLocked(fd, pw, args, opti, dumpAll); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpProvidersLocked(fd, pw, args, opti, dumpAll); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpServicesLocked(fd, pw, args, opti, dumpAll, dumpClient); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| needSep = dumpActivitiesLocked(fd, pw, args, opti, dumpAll, dumpClient); |
| if (needSep) { |
| pw.println(" "); |
| } |
| if (dumpAll) { |
| pw.println("-------------------------------------------------------------------------------"); |
| } |
| dumpProcessesLocked(fd, pw, args, opti, dumpAll); |
| } |
| } |
| |
| boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, boolean dumpClient) { |
| pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)"); |
| pw.println(" Main stack:"); |
| dumpHistoryList(fd, pw, mMainStack.mHistory, " ", "Hist", true, !dumpAll, dumpClient); |
| pw.println(" "); |
| pw.println(" Running activities (most recent first):"); |
| dumpHistoryList(fd, pw, mMainStack.mLRUActivities, " ", "Run", false, !dumpAll, false); |
| if (mMainStack.mWaitingVisibleActivities.size() > 0) { |
| pw.println(" "); |
| pw.println(" Activities waiting for another to become visible:"); |
| dumpHistoryList(fd, pw, mMainStack.mWaitingVisibleActivities, " ", "Wait", false, |
| !dumpAll, false); |
| } |
| if (mMainStack.mStoppingActivities.size() > 0) { |
| pw.println(" "); |
| pw.println(" Activities waiting to stop:"); |
| dumpHistoryList(fd, pw, mMainStack.mStoppingActivities, " ", "Stop", false, |
| !dumpAll, false); |
| } |
| if (mMainStack.mGoingToSleepActivities.size() > 0) { |
| pw.println(" "); |
| pw.println(" Activities waiting to sleep:"); |
| dumpHistoryList(fd, pw, mMainStack.mGoingToSleepActivities, " ", "Sleep", false, |
| !dumpAll, false); |
| } |
| if (mMainStack.mFinishingActivities.size() > 0) { |
| pw.println(" "); |
| pw.println(" Activities waiting to finish:"); |
| dumpHistoryList(fd, pw, mMainStack.mFinishingActivities, " ", "Fin", false, |
| !dumpAll, false); |
| } |
| |
| pw.println(" "); |
| if (mMainStack.mPausingActivity != null) { |
| pw.println(" mPausingActivity: " + mMainStack.mPausingActivity); |
| } |
| pw.println(" mResumedActivity: " + mMainStack.mResumedActivity); |
| pw.println(" mFocusedActivity: " + mFocusedActivity); |
| if (dumpAll) { |
| pw.println(" mLastPausedActivity: " + mMainStack.mLastPausedActivity); |
| pw.println(" mSleepTimeout: " + mMainStack.mSleepTimeout); |
| } |
| |
| 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); |
| pw.print(" * Recent #"); pw.print(i); pw.print(": "); |
| pw.println(tr); |
| if (dumpAll) { |
| mRecentTasks.get(i).dump(pw, " "); |
| } |
| } |
| } |
| |
| if (dumpAll) { |
| pw.println(" "); |
| pw.println(" mCurTask: " + mCurTask); |
| } |
| |
| return true; |
| } |
| |
| boolean dumpProcessesLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll) { |
| 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++) { |
| if (!needSep) { |
| pw.println(" All known processes:"); |
| needSep = true; |
| } |
| ProcessRecord r = procs.valueAt(ia); |
| 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 (mLruProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Process LRU list (most recent first):"); |
| dumpProcessOomList(pw, this, mLruProcesses, " ", |
| "Proc", "PERS", false); |
| needSep = true; |
| } |
| |
| if (dumpAll) { |
| synchronized (mPidsSelfLocked) { |
| if (mPidsSelfLocked.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" PID mappings:"); |
| for (int i=0; i<mPidsSelfLocked.size(); i++) { |
| pw.print(" PID #"); pw.print(mPidsSelfLocked.keyAt(i)); |
| pw.print(": "); pw.println(mPidsSelfLocked.valueAt(i)); |
| } |
| } |
| } |
| } |
| |
| if (mForegroundProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Foreground Processes:"); |
| for (int i=0; i<mForegroundProcesses.size(); i++) { |
| 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"); |
| } |
| |
| if (mStartingProcesses.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Processes that are starting:"); |
| dumpProcessList(pw, this, mStartingProcesses, " ", |
| "Starting Norm", "Starting PERS"); |
| } |
| |
| 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"); |
| } |
| |
| 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"); |
| } |
| |
| needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll); |
| |
| if (mProcessCrashTimes.getMap().size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Time since processes crashed:"); |
| long now = SystemClock.uptimeMillis(); |
| for (Map.Entry<String, SparseArray<Long>> procs |
| : mProcessCrashTimes.getMap().entrySet()) { |
| SparseArray<Long> uids = procs.getValue(); |
| final int N = uids.size(); |
| for (int i=0; i<N; i++) { |
| pw.print(" Process "); pw.print(procs.getKey()); |
| pw.print(" uid "); pw.print(uids.keyAt(i)); |
| pw.print(": last crashed "); |
| pw.print((now-uids.valueAt(i))); |
| pw.println(" ms ago"); |
| } |
| } |
| } |
| |
| if (mBadProcesses.getMap().size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Bad processes:"); |
| for (Map.Entry<String, SparseArray<Long>> procs |
| : mBadProcesses.getMap().entrySet()) { |
| SparseArray<Long> uids = procs.getValue(); |
| final int N = uids.size(); |
| for (int i=0; i<N; i++) { |
| pw.print(" Bad process "); pw.print(procs.getKey()); |
| pw.print(" uid "); pw.print(uids.keyAt(i)); |
| pw.print(": crashed at time "); |
| pw.println(uids.valueAt(i)); |
| } |
| } |
| } |
| |
| pw.println(); |
| pw.println(" mHomeProcess: " + mHomeProcess); |
| if (mHeavyWeightProcess != null) { |
| pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); |
| } |
| pw.println(" mConfiguration: " + mConfiguration); |
| if (dumpAll) { |
| pw.println(" mConfigWillChange: " + mMainStack.mConfigWillChange); |
| if (mCompatModePackages.getPackages().size() > 0) { |
| pw.println(" mScreenCompatPackages:"); |
| for (Map.Entry<String, Integer> entry |
| : mCompatModePackages.getPackages().entrySet()) { |
| String pkg = entry.getKey(); |
| int mode = entry.getValue(); |
| pw.print(" "); pw.print(pkg); pw.print(": "); |
| pw.print(mode); pw.println(); |
| } |
| } |
| } |
| pw.println(" mSleeping=" + mSleeping + " mShuttingDown=" + mShuttingDown); |
| if (mDebugApp != null || mOrigDebugApp != null || mDebugTransient |
| || mOrigWaitForDebugger) { |
| pw.println(" mDebugApp=" + mDebugApp + "/orig=" + mOrigDebugApp |
| + " mDebugTransient=" + mDebugTransient |
| + " mOrigWaitForDebugger=" + mOrigWaitForDebugger); |
| } |
| 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=" + mMainStack.mGoingToSleep); |
| pw.println(" mLaunchingActivity=" + mMainStack.mLaunchingActivity); |
| pw.println(" mAdjSeq=" + mAdjSeq + " mLruSeq=" + mLruSeq); |
| } |
| |
| return true; |
| } |
| |
| boolean dumpProcessesToGc(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean needSep, boolean dumpAll) { |
| if (mProcessesToGc.size() > 0) { |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Processes that are waiting to GC:"); |
| long now = SystemClock.uptimeMillis(); |
| for (int i=0; i<mProcessesToGc.size(); i++) { |
| ProcessRecord proc = mProcessesToGc.get(i); |
| 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) { |
| ArrayList<ProcessRecord> procs = new ArrayList<ProcessRecord>(mLruProcesses); |
| |
| Comparator<ProcessRecord> comparator = new Comparator<ProcessRecord>() { |
| @Override |
| public int compare(ProcessRecord object1, ProcessRecord object2) { |
| if (object1.setAdj != object2.setAdj) { |
| return object1.setAdj > object2.setAdj ? -1 : 1; |
| } |
| if (object1.setSchedGroup != object2.setSchedGroup) { |
| return object1.setSchedGroup > object2.setSchedGroup ? -1 : 1; |
| } |
| if (object1.keeping != object2.keeping) { |
| return object1.keeping ? -1 : 1; |
| } |
| if (object1.pid != object2.pid) { |
| return object1.pid > object2.pid ? -1 : 1; |
| } |
| return 0; |
| } |
| }; |
| |
| Collections.sort(procs, comparator); |
| |
| if (needSep) pw.println(" "); |
| needSep = true; |
| pw.println(" Process OOM control:"); |
| dumpProcessOomList(pw, this, procs, " ", |
| "Proc", "PERS", true); |
| needSep = true; |
| } |
| |
| needSep = dumpProcessesToGc(fd, pw, args, opti, needSep, dumpAll); |
| |
| pw.println(); |
| pw.println(" mHomeProcess: " + mHomeProcess); |
| if (mHeavyWeightProcess != null) { |
| pw.println(" mHeavyWeightProcess: " + mHeavyWeightProcess); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * There are three ways to call this: |
| * - no service specified: dump all the services |
| * - a flattened component name that matched an existing service was specified as the |
| * first arg: dump that one service |
| * - the first arg isn't the flattened component name of an existing service: |
| * dump all services whose component contains the first arg as a substring |
| */ |
| protected boolean dumpService(FileDescriptor fd, PrintWriter pw, String name, String[] args, |
| int opti, boolean dumpAll) { |
| ArrayList<ServiceRecord> services = new ArrayList<ServiceRecord>(); |
| |
| if ("all".equals(name)) { |
| synchronized (this) { |
| for (ServiceRecord r1 : mServices.values()) { |
| services.add(r1); |
| } |
| } |
| } else { |
| ComponentName componentName = name != null |
| ? ComponentName.unflattenFromString(name) : null; |
| int objectId = 0; |
| if (componentName == null) { |
| // Not a '/' separated full component name; maybe an object ID? |
| try { |
| objectId = Integer.parseInt(name, 16); |
| name = null; |
| componentName = null; |
| } catch (RuntimeException e) { |
| } |
| } |
| |
| synchronized (this) { |
| for (ServiceRecord r1 : mServices.values()) { |
| if (componentName != null) { |
| if (r1.name.equals(componentName)) { |
| services.add(r1); |
| } |
| } else if (name != null) { |
| if (r1.name.flattenToString().contains(name)) { |
| services.add(r1); |
| } |
| } else if (System.identityHashCode(r1) == objectId) { |
| services.add(r1); |
| } |
| } |
| } |
| } |
| |
| if (services.size() <= 0) { |
| return false; |
| } |
| |
| boolean needSep = false; |
| for (int i=0; i<services.size(); i++) { |
| if (needSep) { |
| pw.println(); |
| } |
| needSep = true; |
| dumpService("", fd, pw, services.get(i), args, dumpAll); |
| } |
| return true; |
| } |
| |
| /** |
| * Invokes IApplicationThread.dumpService() on the thread of the specified service if |
| * there is a thread associated with the service. |
| */ |
| private void dumpService(String prefix, FileDescriptor fd, PrintWriter pw, |
| final ServiceRecord r, String[] args, boolean dumpAll) { |
| String innerPrefix = prefix + " "; |
| synchronized (this) { |
| pw.print(prefix); pw.print("SERVICE "); |
| pw.print(r.shortName); 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) { |
| pw.print(prefix); pw.println(" Client:"); |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.app.thread.dumpService(tp.getWriteFd().getFileDescriptor(), r, args); |
| tp.setBufferPrefix(prefix + " "); |
| tp.go(fd); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println(prefix + " Failure while dumping the service: " + e); |
| } catch (RemoteException e) { |
| pw.println(prefix + " Got a RemoteException while dumping the service"); |
| } |
| } |
| } |
| |
| /** |
| * There are three things that cmd can be: |
| * - a flattened component name that matched 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 = new ArrayList<ActivityRecord>(); |
| |
| if ("all".equals(name)) { |
| synchronized (this) { |
| for (ActivityRecord r1 : (ArrayList<ActivityRecord>)mMainStack.mHistory) { |
| activities.add(r1); |
| } |
| } |
| } else if ("top".equals(name)) { |
| synchronized (this) { |
| final int N = mMainStack.mHistory.size(); |
| if (N > 0) { |
| activities.add((ActivityRecord)mMainStack.mHistory.get(N-1)); |
| } |
| } |
| } else { |
| ComponentName componentName = ComponentName.unflattenFromString(name); |
| int objectId = 0; |
| if (componentName == null) { |
| // Not a '/' separated full component name; maybe an object ID? |
| try { |
| objectId = Integer.parseInt(name, 16); |
| name = null; |
| componentName = null; |
| } catch (RuntimeException e) { |
| } |
| } |
| |
| synchronized (this) { |
| for (ActivityRecord r1 : (ArrayList<ActivityRecord>)mMainStack.mHistory) { |
| if (componentName != null) { |
| if (r1.intent.getComponent().equals(componentName)) { |
| activities.add(r1); |
| } |
| } else if (name != null) { |
| if (r1.intent.getComponent().flattenToString().contains(name)) { |
| activities.add(r1); |
| } |
| } else if (System.identityHashCode(r1) == objectId) { |
| activities.add(r1); |
| } |
| } |
| } |
| } |
| |
| 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, |
| 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) { |
| boolean needSep = false; |
| |
| pw.println("ACTIVITY MANAGER BROADCAST STATE (dumpsys activity broadcasts)"); |
| if (dumpAll) { |
| if (mRegisteredReceivers.size() > 0) { |
| pw.println(" Registered Receivers:"); |
| Iterator it = mRegisteredReceivers.values().iterator(); |
| while (it.hasNext()) { |
| ReceiverList r = (ReceiverList)it.next(); |
| pw.print(" * "); pw.println(r); |
| r.dump(pw, " "); |
| } |
| } |
| |
| pw.println(); |
| pw.println(" Receiver Resolver Table:"); |
| mReceiverResolver.dump(pw, null, " ", null, false); |
| needSep = true; |
| } |
| |
| if (mParallelBroadcasts.size() > 0 || mOrderedBroadcasts.size() > 0 |
| || mPendingBroadcast != null) { |
| if (mParallelBroadcasts.size() > 0) { |
| pw.println(); |
| pw.println(" Active broadcasts:"); |
| } |
| for (int i=mParallelBroadcasts.size()-1; i>=0; i--) { |
| pw.println(" Broadcast #" + i + ":"); |
| mParallelBroadcasts.get(i).dump(pw, " "); |
| } |
| if (mOrderedBroadcasts.size() > 0) { |
| pw.println(); |
| pw.println(" Active ordered broadcasts:"); |
| } |
| for (int i=mOrderedBroadcasts.size()-1; i>=0; i--) { |
| pw.println(" Serialized Broadcast #" + i + ":"); |
| mOrderedBroadcasts.get(i).dump(pw, " "); |
| } |
| pw.println(); |
| pw.println(" Pending broadcast:"); |
| if (mPendingBroadcast != null) { |
| mPendingBroadcast.dump(pw, " "); |
| } else { |
| pw.println(" (null)"); |
| } |
| needSep = true; |
| } |
| |
| if (needSep) { |
| pw.println(); |
| } |
| pw.println(" Historical broadcasts:"); |
| for (int i=0; i<MAX_BROADCAST_HISTORY; i++) { |
| BroadcastRecord r = mBroadcastHistory[i]; |
| if (r == null) { |
| break; |
| } |
| if (dumpAll) { |
| pw.print(" Historical Broadcast #"); pw.print(i); pw.println(":"); |
| r.dump(pw, " "); |
| } else { |
| if (i >= 50) { |
| pw.println(" ..."); |
| break; |
| } |
| pw.print(" #"); pw.print(i); pw.print(": "); pw.println(r); |
| } |
| } |
| needSep = true; |
| |
| if (mStickyBroadcasts != null) { |
| pw.println(); |
| pw.println(" Sticky broadcasts:"); |
| StringBuilder sb = new StringBuilder(128); |
| for (Map.Entry<String, ArrayList<Intent>> ent |
| : mStickyBroadcasts.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, true, false); |
| pw.println(sb.toString()); |
| Bundle bundle = intents.get(i).getExtras(); |
| if (bundle != null) { |
| pw.print(" "); |
| pw.println(bundle.toString()); |
| } |
| } |
| } else { |
| pw.println(""); |
| } |
| } |
| needSep = true; |
| } |
| |
| if (dumpAll) { |
| pw.println(); |
| pw.println(" mBroadcastsScheduled=" + mBroadcastsScheduled); |
| pw.println(" mHandler:"); |
| mHandler.dump(new PrintWriterPrinter(pw), " "); |
| needSep = true; |
| } |
| |
| return needSep; |
| } |
| |
| boolean dumpServicesLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll, boolean dumpClient) { |
| boolean needSep = false; |
| |
| pw.println("ACTIVITY MANAGER SERVICES (dumpsys activity services)"); |
| if (mServices.size() > 0) { |
| pw.println(" Active services:"); |
| long nowReal = SystemClock.elapsedRealtime(); |
| Iterator<ServiceRecord> it = mServices.values().iterator(); |
| needSep = false; |
| while (it.hasNext()) { |
| ServiceRecord r = it.next(); |
| if (needSep) { |
| pw.println(); |
| } |
| pw.print(" * "); pw.println(r); |
| if (dumpAll) { |
| r.dump(pw, " "); |
| needSep = true; |
| } else { |
| pw.print(" app="); pw.println(r.app); |
| pw.print(" created="); |
| TimeUtils.formatDuration(r.createTime, nowReal, pw); |
| pw.print(" started="); pw.print(r.startRequested); |
| pw.print(" connections="); pw.println(r.connections.size()); |
| } |
| if (dumpClient && r.app != null && r.app.thread != null) { |
| pw.println(" Client:"); |
| pw.flush(); |
| try { |
| TransferPipe tp = new TransferPipe(); |
| try { |
| r.app.thread.dumpService( |
| tp.getWriteFd().getFileDescriptor(), r, args); |
| tp.setBufferPrefix(" "); |
| // Short timeout, since blocking here can |
| // deadlock with the application. |
| tp.go(fd, 2000); |
| } finally { |
| tp.kill(); |
| } |
| } catch (IOException e) { |
| pw.println(" Failure while dumping the service: " + e); |
| } catch (RemoteException e) { |
| pw.println(" Got a RemoteException while dumping the service"); |
| } |
| needSep = true; |
| } |
| } |
| needSep = true; |
| } |
| |
| if (mPendingServices.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Pending services:"); |
| for (int i=0; i<mPendingServices.size(); i++) { |
| ServiceRecord r = mPendingServices.get(i); |
| pw.print(" * Pending "); pw.println(r); |
| r.dump(pw, " "); |
| } |
| needSep = true; |
| } |
| |
| if (mRestartingServices.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Restarting services:"); |
| for (int i=0; i<mRestartingServices.size(); i++) { |
| ServiceRecord r = mRestartingServices.get(i); |
| pw.print(" * Restarting "); pw.println(r); |
| r.dump(pw, " "); |
| } |
| needSep = true; |
| } |
| |
| if (mStoppingServices.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Stopping services:"); |
| for (int i=0; i<mStoppingServices.size(); i++) { |
| ServiceRecord r = mStoppingServices.get(i); |
| pw.print(" * Stopping "); pw.println(r); |
| r.dump(pw, " "); |
| } |
| needSep = true; |
| } |
| |
| if (dumpAll) { |
| if (mServiceConnections.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Connection bindings to services:"); |
| Iterator<ArrayList<ConnectionRecord>> it |
| = mServiceConnections.values().iterator(); |
| while (it.hasNext()) { |
| ArrayList<ConnectionRecord> r = it.next(); |
| for (int i=0; i<r.size(); i++) { |
| pw.print(" * "); pw.println(r.get(i)); |
| r.get(i).dump(pw, " "); |
| } |
| } |
| needSep = true; |
| } |
| } |
| |
| return needSep; |
| } |
| |
| boolean dumpProvidersLocked(FileDescriptor fd, PrintWriter pw, String[] args, |
| int opti, boolean dumpAll) { |
| boolean needSep = false; |
| |
| pw.println("ACTIVITY MANAGER CONTENT PROVIDERS (dumpsys activity providers)"); |
| if (mProvidersByClass.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Published content providers (by class):"); |
| Iterator<Map.Entry<String, ContentProviderRecord>> it |
| = mProvidersByClass.entrySet().iterator(); |
| while (it.hasNext()) { |
| Map.Entry<String, ContentProviderRecord> e = it.next(); |
| ContentProviderRecord r = e.getValue(); |
| if (dumpAll) { |
| pw.print(" * "); pw.println(r); |
| r.dump(pw, " "); |
| } else { |
| pw.print(" * "); pw.print(r.name.toShortString()); |
| if (r.app != null) { |
| pw.println(":"); |
| pw.print(" "); pw.println(r.app); |
| } else { |
| pw.println(); |
| } |
| } |
| } |
| needSep = true; |
| } |
| |
| if (dumpAll) { |
| if (mProvidersByName.size() > 0) { |
| pw.println(" "); |
| pw.println(" Authority to provider mappings:"); |
| Iterator<Map.Entry<String, ContentProviderRecord>> it |
| = mProvidersByName.entrySet().iterator(); |
| while (it.hasNext()) { |
| Map.Entry<String, ContentProviderRecord> e = it.next(); |
| ContentProviderRecord r = e.getValue(); |
| pw.print(" "); pw.print(e.getKey()); pw.print(": "); |
| pw.println(r); |
| } |
| needSep = true; |
| } |
| } |
| |
| if (mLaunchingProviders.size() > 0) { |
| if (needSep) pw.println(" "); |
| pw.println(" Launching content providers:"); |
| for (int i=mLaunchingProviders.size()-1; i>=0; i--) { |
| pw.print(" Launching #"); pw.print(i); pw.print(": "); |
| pw.println(mLaunchingProviders.get(i)); |
| } |
| needSep = true; |
| } |
| |
| if (mGrantedUriPermissions.size() > 0) { |
| pw.println(); |
| 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) { |
| boolean needSep = false; |
| |
| if (this.mIntentSenderRecords.size() > 0) { |
| pw.println("ACTIVITY MANAGER PENDING INTENTS (dumpsys activity intents)"); |
| Iterator<WeakReference<PendingIntentRecord>> it |
| = mIntentSenderRecords.values().iterator(); |
| while (it.hasNext()) { |
| WeakReference<PendingIntentRecord> ref = it.next(); |
| PendingIntentRecord rec = ref != null ? ref.get(): null; |
| 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 final void dumpHistoryList(FileDescriptor fd, PrintWriter pw, List list, |
| String prefix, String label, boolean complete, boolean brief, boolean client) { |
| TaskRecord lastTask = null; |
| boolean needNL = false; |
| final String innerPrefix = prefix + " "; |
| final String[] args = new String[0]; |
| for (int i=list.size()-1; i>=0; i--) { |
| final ActivityRecord r = (ActivityRecord)list.get(i); |
| final boolean full = !brief && (complete || !r.isInHistory()); |
| if (needNL) { |
| pw.println(" "); |
| needNL = false; |
| } |
| if (lastTask != r.task) { |
| lastTask = r.task; |
| pw.print(prefix); |
| pw.print(full ? "* " : " "); |
| pw.println(lastTask); |
| if (full) { |
| lastTask.dump(pw, prefix + " "); |
| } else if (complete) { |
| // Complete + brief == give a summary. Isn't that obvious?!? |
| if (lastTask.intent != null) { |
| pw.print(prefix); pw.print(" "); pw.println(lastTask.intent); |
| } |
| } |
| } |
| pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label); |
| pw.print(" #"); pw.print(i); pw.print(": "); |
| pw.println(r); |
| if (full) { |
| r.dump(pw, innerPrefix); |
| } else if (complete) { |
| // Complete + brief == give a summary. Isn't that obvious?!? |
| pw.print(innerPrefix); pw.println(r.intent); |
| if (r.app != null) { |
| pw.print(innerPrefix); pw.println(r.app); |
| } |
| } |
| if (client && 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, |
| innerPrefix, args); |
| // Short timeout, since blocking here can |
| // deadlock with the application. |
| tp.go(fd, 2000); |
| } 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"); |
| } |
| needNL = true; |
| } |
| } |
| } |
| |
| 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) { |
| int numPers = 0; |
| final int N = list.size()-1; |
| for (int i=N; i>=0; i--) { |
| ProcessRecord r = (ProcessRecord)list.get(i); |
| 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 void dumpProcessOomList(PrintWriter pw, |
| ActivityManagerService service, List<ProcessRecord> list, |
| String prefix, String normalLabel, String persistentLabel, |
| boolean inclDetails) { |
| |
| final long curRealtime = SystemClock.elapsedRealtime(); |
| final long realtimeSince = curRealtime - service.mLastPowerCheckRealtime; |
| final long curUptime = SystemClock.uptimeMillis(); |
| final long uptimeSince = curUptime - service.mLastPowerCheckUptime; |
| |
| final int N = list.size()-1; |
| for (int i=N; i>=0; i--) { |
| ProcessRecord r = list.get(i); |
| String oomAdj; |
| if (r.setAdj >= EMPTY_APP_ADJ) { |
| oomAdj = buildOomTag("empty", null, r.setAdj, EMPTY_APP_ADJ); |
| } else if (r.setAdj >= HIDDEN_APP_MIN_ADJ) { |
| oomAdj = buildOomTag("bak", " ", r.setAdj, HIDDEN_APP_MIN_ADJ); |
| } else if (r.setAdj >= HOME_APP_ADJ) { |
| oomAdj = buildOomTag("home ", null, r.setAdj, HOME_APP_ADJ); |
| } else if (r.setAdj >= SECONDARY_SERVER_ADJ) { |
| oomAdj = buildOomTag("svc", " ", r.setAdj, SECONDARY_SERVER_ADJ); |
| } else if (r.setAdj >= BACKUP_APP_ADJ) { |
| oomAdj = buildOomTag("bckup", null, r.setAdj, BACKUP_APP_ADJ); |
| } else if (r.setAdj >= HEAVY_WEIGHT_APP_ADJ) { |
| oomAdj = buildOomTag("hvy ", null, r.setAdj, HEAVY_WEIGHT_APP_ADJ); |
| } else if (r.setAdj >= PERCEPTIBLE_APP_ADJ) { |
| oomAdj = buildOomTag("prcp ", null, r.setAdj, PERCEPTIBLE_APP_ADJ); |
| } else if (r.setAdj >= VISIBLE_APP_ADJ) { |
| oomAdj = buildOomTag("vis ", null, r.setAdj, VISIBLE_APP_ADJ); |
| } else if (r.setAdj >= FOREGROUND_APP_ADJ) { |
| oomAdj = buildOomTag("fore ", null, r.setAdj, FOREGROUND_APP_ADJ); |
| } else if (r.setAdj >= CORE_SERVER_ADJ) { |
| oomAdj = buildOomTag("core ", null, r.setAdj, CORE_SERVER_ADJ); |
| } else if (r.setAdj >= SYSTEM_ADJ) { |
| oomAdj = buildOomTag("sys ", null, r.setAdj, 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 %s (%s)", |
| prefix, (r.persistent ? persistentLabel : normalLabel), |
| N-i, oomAdj, schedGroup, foreground, 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(" 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.println(r.empty); |
| |
| 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("%)"); |
| } |
| } |
| } |
| } |
| } |
| |
| ArrayList<ProcessRecord> collectProcesses(PrintWriter pw, String[] args) { |
| ArrayList<ProcessRecord> procs; |
| synchronized (this) { |
| if (args != null && args.length > 0 |
| && args[0].charAt(0) != '-') { |
| procs = new ArrayList<ProcessRecord>(); |
| int pid = -1; |
| try { |
| pid = Integer.parseInt(args[0]); |
| } 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[0])) { |
| procs.add(proc); |
| } |
| } |
| if (procs.size() <= 0) { |
| pw.println("No process found for: " + args[0]); |
| return null; |
| } |
| } else { |
| procs = new ArrayList<ProcessRecord>(mLruProcesses); |
| } |
| } |
| return procs; |
| } |
| |
| final void dumpGraphicsHardwareUsage(FileDescriptor fd, |
| PrintWriter pw, String[] args) { |
| ArrayList<ProcessRecord> procs = collectProcesses(pw, 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); |
| |
| String callArgs[] = {"graphics"}; |
| 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.goDump(r.thread.asBinder(), fd, callArgs); |
| } catch (IOException e) { |
| pw.println("Failure: " + e); |
| pw.flush(); |
| } catch (RemoteException e) { |
| pw.println("Got RemoteException!"); |
| pw.flush(); |
| } |
| } |
| } |
| } |
| |
| final void dumpApplicationMemoryUsage(FileDescriptor fd, |
| PrintWriter pw, String prefix, String[] args) { |
| ArrayList<ProcessRecord> procs = collectProcesses(pw, args); |
| if (procs == null) { |
| return; |
| } |
| |
| final boolean isCheckinRequest = scanArgs(args, "--checkin"); |
| long uptime = SystemClock.uptimeMillis(); |
| long realtime = SystemClock.elapsedRealtime(); |
| |
| if (isCheckinRequest) { |
| // short checkin version |
| pw.println(uptime + "," + realtime); |
| pw.flush(); |
| } else { |
| pw.println("Applications Memory Usage (kB):"); |
| pw.println("Uptime: " + uptime + " Realtime: " + realtime); |
| } |
| for (int i = procs.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = procs.get(i); |
| if (r.thread != null) { |
| if (!isCheckinRequest) { |
| pw.println("\n** MEMINFO in pid " + r.pid + " [" + r.processName + "] **"); |
| pw.flush(); |
| } |
| try { |
| TransferPipe.goDump(r.thread.asBinder(), fd, args); |
| } catch (IOException e) { |
| pw.println("Failure: " + e); |
| pw.flush(); |
| } catch (RemoteException e) { |
| if (!isCheckinRequest) { |
| pw.println("Got RemoteException!"); |
| pw.flush(); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * 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 void killServicesLocked(ProcessRecord app, |
| boolean allowRestart) { |
| // Report disconnected services. |
| if (false) { |
| // XXX we are letting the client link to the service for |
| // death notifications. |
| if (app.services.size() > 0) { |
| Iterator<ServiceRecord> it = app.services.iterator(); |
| while (it.hasNext()) { |
| ServiceRecord r = it.next(); |
| if (r.connections.size() > 0) { |
| Iterator<ArrayList<ConnectionRecord>> jt |
| = r.connections.values().iterator(); |
| while (jt.hasNext()) { |
| ArrayList<ConnectionRecord> cl = jt.next(); |
| for (int i=0; i<cl.size(); i++) { |
| ConnectionRecord c = cl.get(i); |
| if (c.binding.client != app) { |
| try { |
| //c.conn.connected(r.className, null); |
| } catch (Exception e) { |
| // todo: this should be asynchronous! |
| Slog.w(TAG, "Exception thrown disconnected servce " |
| + r.shortName |
| + " from app " + app.processName, e); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Clean up any connections this application has to other services. |
| if (app.connections.size() > 0) { |
| Iterator<ConnectionRecord> it = app.connections.iterator(); |
| while (it.hasNext()) { |
| ConnectionRecord r = it.next(); |
| removeConnectionLocked(r, app, null); |
| } |
| } |
| app.connections.clear(); |
| |
| 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(); |
| synchronized (sr.stats.getBatteryStats()) { |
| sr.stats.stopLaunchedLocked(); |
| } |
| sr.app = null; |
| sr.executeNesting = 0; |
| if (mStoppingServices.remove(sr)) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove stopping " + sr); |
| } |
| |
| boolean hasClients = sr.bindings.size() > 0; |
| if (hasClients) { |
| Iterator<IntentBindRecord> bindings |
| = sr.bindings.values().iterator(); |
| while (bindings.hasNext()) { |
| IntentBindRecord b = bindings.next(); |
| if (DEBUG_SERVICE) Slog.v(TAG, "Killing binding " + b |
| + ": shouldUnbind=" + b.hasBound); |
| b.binder = null; |
| b.requested = b.received = b.hasBound = false; |
| } |
| } |
| |
| if (sr.crashCount >= 2 && (sr.serviceInfo.applicationInfo.flags |
| &ApplicationInfo.FLAG_PERSISTENT) == 0) { |
| Slog.w(TAG, "Service crashed " + sr.crashCount |
| + " times, stopping: " + sr); |
| EventLog.writeEvent(EventLogTags.AM_SERVICE_CRASHED_TOO_MUCH, |
| sr.crashCount, sr.shortName, app.pid); |
| bringDownServiceLocked(sr, true); |
| } else if (!allowRestart) { |
| bringDownServiceLocked(sr, true); |
| } else { |
| boolean canceled = scheduleServiceRestartLocked(sr, true); |
| |
| // Should the service remain running? Note that in the |
| // extreme case of so many attempts to deliver a command |
| // that it failed, that we also will stop it here. |
| if (sr.startRequested && (sr.stopIfKilled || canceled)) { |
| if (sr.pendingStarts.size() == 0) { |
| sr.startRequested = false; |
| if (!hasClients) { |
| // Whoops, no reason to restart! |
| bringDownServiceLocked(sr, true); |
| } |
| } |
| } |
| } |
| } |
| |
| if (!allowRestart) { |
| app.services.clear(); |
| } |
| } |
| |
| // Make sure we have no more records on the stopping list. |
| int i = mStoppingServices.size(); |
| while (i > 0) { |
| i--; |
| ServiceRecord sr = mStoppingServices.get(i); |
| if (sr.app == app) { |
| mStoppingServices.remove(i); |
| if (DEBUG_SERVICE) Slog.v(TAG, "killServices remove stopping " + sr); |
| } |
| } |
| |
| app.executingServices.clear(); |
| } |
| |
| private final void removeDyingProviderLocked(ProcessRecord proc, |
| ContentProviderRecord cpr) { |
| synchronized (cpr) { |
| cpr.launchingApp = null; |
| cpr.notifyAll(); |
| } |
| |
| mProvidersByClass.remove(cpr.info.name); |
| String names[] = cpr.info.authority.split(";"); |
| for (int j = 0; j < names.length; j++) { |
| mProvidersByName.remove(names[j]); |
| } |
| |
| Iterator<ProcessRecord> cit = cpr.clients.iterator(); |
| while (cit.hasNext()) { |
| ProcessRecord capp = cit.next(); |
| 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.processName); |
| EventLog.writeEvent(EventLogTags.AM_KILL, capp.pid, |
| capp.processName, capp.setAdj, "dying provider " + proc.processName); |
| Process.killProcessQuiet(capp.pid); |
| } |
| } |
| |
| mLaunchingProviders.remove(cpr); |
| } |
| |
| /** |
| * 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, int index) { |
| if (index >= 0) { |
| mLruProcesses.remove(index); |
| } |
| |
| mProcessesToGc.remove(app); |
| |
| // Dismiss any open dialogs. |
| if (app.crashDialog != null) { |
| 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.thread = null; |
| app.forcingToForeground = null; |
| app.foregroundServices = false; |
| app.foregroundActivities = false; |
| |
| killServicesLocked(app, true); |
| |
| boolean restart = false; |
| |
| int NL = mLaunchingProviders.size(); |
| |
| // Remove published content providers. |
| if (!app.pubProviders.isEmpty()) { |
| Iterator<ContentProviderRecord> it = app.pubProviders.values().iterator(); |
| while (it.hasNext()) { |
| ContentProviderRecord cpr = it.next(); |
| cpr.provider = null; |
| cpr.app = null; |
| |
| // See if someone is waiting for this provider... in which |
| // case we don't remove it, but just let it restart. |
| int i = 0; |
| if (!app.bad) { |
| for (; i<NL; i++) { |
| if (mLaunchingProviders.get(i) == cpr) { |
| restart = true; |
| break; |
| } |
| } |
| } else { |
| i = NL; |
| } |
| |
| if (i >= NL) { |
| removeDyingProviderLocked(app, cpr); |
| NL = mLaunchingProviders.size(); |
| } |
| } |
| 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()) { |
| Iterator it = app.conProviders.keySet().iterator(); |
| while (it.hasNext()) { |
| ContentProviderRecord cpr = (ContentProviderRecord)it.next(); |
| cpr.clients.remove(app); |
| } |
| 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<NL; i++) { |
| ContentProviderRecord cpr = (ContentProviderRecord) |
| mLaunchingProviders.get(i); |
| if (cpr.clients.size() <= 0 && cpr.externals <= 0) { |
| 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) 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 |
| } |
| } |
| |
| 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) { |
| if (DEBUG_PROCESSES) Slog.v(TAG, |
| "Removing non-persistent process during cleanup: " + app); |
| mProcessNames.remove(app.processName, app.info.uid); |
| if (mHeavyWeightProcess == app) { |
| mHeavyWeightProcess = null; |
| mHandler.sendEmptyMessage(CANCEL_HEAVY_NOTIFICATION_MSG); |
| } |
| } 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. |
| app.thread = null; |
| app.forcingToForeground = null; |
| app.foregroundServices = false; |
| if (mPersistentStartingProcesses.indexOf(app) < 0) { |
| mPersistentStartingProcesses.add(app); |
| restart = true; |
| } |
| } |
| if (DEBUG_PROCESSES && mProcessesOnHold.contains(app)) Slog.v(TAG, |
| "Clean-up removing on hold: " + app); |
| mProcessesOnHold.remove(app); |
| |
| if (app == mHomeProcess) { |
| mHomeProcess = null; |
| } |
| |
| if (restart) { |
| // We have components that still need to be running in the |
| // process, so re-launch it. |
| mProcessNames.put(app.processName, app.info.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); |
| NL = mLaunchingProviders.size(); |
| } |
| } |
| } |
| return restart; |
| } |
| |
| // ========================================================= |
| // SERVICES |
| // ========================================================= |
| |
| ActivityManager.RunningServiceInfo makeRunningServiceInfoLocked(ServiceRecord r) { |
| ActivityManager.RunningServiceInfo info = |
| new ActivityManager.RunningServiceInfo(); |
| info.service = r.name; |
| if (r.app != null) { |
| info.pid = r.app.pid; |
| } |
| info.uid = r.appInfo.uid; |
| info.process = r.processName; |
| info.foreground = r.isForeground; |
| info.activeSince = r.createTime; |
| info.started = r.startRequested; |
| info.clientCount = r.connections.size(); |
| info.crashCount = r.crashCount; |
| info.lastActivityTime = r.lastActivity; |
| if (r.isForeground) { |
| info.flags |= ActivityManager.RunningServiceInfo.FLAG_FOREGROUND; |
| } |
| if (r.startRequested) { |
| info.flags |= ActivityManager.RunningServiceInfo.FLAG_STARTED; |
| } |
| if (r.app != null && r.app.pid == MY_PID) { |
| info.flags |= ActivityManager.RunningServiceInfo.FLAG_SYSTEM_PROCESS; |
| } |
| if (r.app != null && r.app.persistent) { |
| info.flags |= ActivityManager.RunningServiceInfo.FLAG_PERSISTENT_PROCESS; |
| } |
| |
| for (ArrayList<ConnectionRecord> connl : r.connections.values()) { |
| for (int i=0; i<connl.size(); i++) { |
| ConnectionRecord conn = connl.get(i); |
| if (conn.clientLabel != 0) { |
| info.clientPackage = conn.binding.client.info.packageName; |
| info.clientLabel = conn.clientLabel; |
| return info; |
| } |
| } |
| } |
| return info; |
| } |
| |
| public List<ActivityManager.RunningServiceInfo> getServices(int maxNum, |
| int flags) { |
| synchronized (this) { |
| ArrayList<ActivityManager.RunningServiceInfo> res |
| = new ArrayList<ActivityManager.RunningServiceInfo>(); |
| |
| if (mServices.size() > 0) { |
| Iterator<ServiceRecord> it = mServices.values().iterator(); |
| while (it.hasNext() && res.size() < maxNum) { |
| res.add(makeRunningServiceInfoLocked(it.next())); |
| } |
| } |
| |
| for (int i=0; i<mRestartingServices.size() && res.size() < maxNum; i++) { |
| ServiceRecord r = mRestartingServices.get(i); |
| ActivityManager.RunningServiceInfo info = |
| makeRunningServiceInfoLocked(r); |
| info.restarting = r.nextRestartTime; |
| res.add(info); |
| } |
| |
| return res; |
| } |
| } |
| |
| public PendingIntent getRunningServiceControlPanel(ComponentName name) { |
| synchronized (this) { |
| ServiceRecord r = mServices.get(name); |
| if (r != null) { |
| for (ArrayList<ConnectionRecord> conn : r.connections.values()) { |
| for (int i=0; i<conn.size(); i++) { |
| if (conn.get(i).clientIntent != null) { |
| return conn.get(i).clientIntent; |
| } |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| private final ServiceRecord findServiceLocked(ComponentName name, |
| IBinder token) { |
| ServiceRecord r = mServices.get(name); |
| return r == token ? r : null; |
| } |
| |
| private final class ServiceLookupResult { |
| final ServiceRecord record; |
| final String permission; |
| |
| ServiceLookupResult(ServiceRecord _record, String _permission) { |
| record = _record; |
| permission = _permission; |
| } |
| }; |
| |
| private ServiceLookupResult findServiceLocked(Intent service, |
| String resolvedType) { |
| ServiceRecord r = null; |
| if (service.getComponent() != null) { |
| r = mServices.get(service.getComponent()); |
| } |
| if (r == null) { |
| Intent.FilterComparison filter = new Intent.FilterComparison(service); |
| r = mServicesByIntent.get(filter); |
| } |
| |
| if (r == null) { |
| try { |
| ResolveInfo rInfo = |
| AppGlobals.getPackageManager().resolveService( |
| service, resolvedType, 0); |
| ServiceInfo sInfo = |
| rInfo != null ? rInfo.serviceInfo : null; |
| if (sInfo == null) { |
| return null; |
| } |
| |
| ComponentName name = new ComponentName( |
| sInfo.applicationInfo.packageName, sInfo.name); |
| r = mServices.get(name); |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| } |
| if (r != null) { |
| int callingPid = Binder.getCallingPid(); |
| int callingUid = Binder.getCallingUid(); |
| if (checkComponentPermission(r.permission, |
| callingPid, callingUid, r.appInfo.uid, r.exported) |
| != PackageManager.PERMISSION_GRANTED) { |
| if (!r.exported) { |
| Slog.w(TAG, "Permission Denial: Accessing service " + r.name |
| + " from pid=" + callingPid |
| + ", uid=" + callingUid |
| + " that is not exported from uid " + r.appInfo.uid); |
| return new ServiceLookupResult(null, "not exported from uid " |
| + r.appInfo.uid); |
| } |
| Slog.w(TAG, "Permission Denial: Accessing service " + r.name |
| + " from pid=" + callingPid |
| + ", uid=" + callingUid |
| + " requires " + r.permission); |
| return new ServiceLookupResult(null, r.permission); |
| } |
| return new ServiceLookupResult(r, null); |
| } |
| return null; |
| } |
| |
| private class ServiceRestarter implements Runnable { |
| private ServiceRecord mService; |
| |
| void setService(ServiceRecord service) { |
| mService = service; |
| } |
| |
| public void run() { |
| synchronized(ActivityManagerService.this) { |
| performServiceRestartLocked(mService); |
| } |
| } |
| } |
| |
| private ServiceLookupResult retrieveServiceLocked(Intent service, |
| String resolvedType, int callingPid, int callingUid) { |
| ServiceRecord r = null; |
| if (service.getComponent() != null) { |
| r = mServices.get(service.getComponent()); |
| } |
| Intent.FilterComparison filter = new Intent.FilterComparison(service); |
| r = mServicesByIntent.get(filter); |
| if (r == null) { |
| try { |
| ResolveInfo rInfo = |
| AppGlobals.getPackageManager().resolveService( |
| service, resolvedType, STOCK_PM_FLAGS); |
| ServiceInfo sInfo = |
| rInfo != null ? rInfo.serviceInfo : null; |
| if (sInfo == null) { |
| Slog.w(TAG, "Unable to start service " + service + |
| ": not found"); |
| return null; |
| } |
| |
| ComponentName name = new ComponentName( |
| sInfo.applicationInfo.packageName, sInfo.name); |
| r = mServices.get(name); |
| if (r == null) { |
| filter = new Intent.FilterComparison(service.cloneFilter()); |
| ServiceRestarter res = new ServiceRestarter(); |
| BatteryStatsImpl.Uid.Pkg.Serv ss = null; |
| BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics(); |
| synchronized (stats) { |
| ss = stats.getServiceStatsLocked( |
| sInfo.applicationInfo.uid, sInfo.packageName, |
| sInfo.name); |
| } |
| r = new ServiceRecord(this, ss, name, filter, sInfo, res); |
| res.setService(r); |
| mServices.put(name, r); |
| mServicesByIntent.put(filter, r); |
| |
| // Make sure this component isn't in the pending list. |
| int N = mPendingServices.size(); |
| for (int i=0; i<N; i++) { |
| ServiceRecord pr = mPendingServices.get(i); |
| if (pr.name.equals(name)) { |
| mPendingServices.remove(i); |
| i--; |
| N--; |
| } |
| } |
| } |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| } |
| if (r != null) { |
| if (checkComponentPermission(r.permission, |
| callingPid, callingUid, r.appInfo.uid, r.exported) |
| != PackageManager.PERMISSION_GRANTED) { |
| if (!r.exported) { |
| Slog.w(TAG, "Permission Denial: Accessing service " + r.name |
| + " from pid=" + callingPid |
| + ", uid=" + callingUid |
| + " that is not exported from uid " + r.appInfo.uid); |
| return new ServiceLookupResult(null, "not exported from uid " |
| + r.appInfo.uid); |
| } |
| Slog.w(TAG, "Permission Denial: Accessing service " + r.name |
| + " from pid=" + callingPid |
| + ", uid=" + callingUid |
| + " requires " + r.permission); |
| return new ServiceLookupResult(null, r.permission); |
| } |
| return new ServiceLookupResult(r, null); |
| } |
| return null; |
| } |
| |
| private final void bumpServiceExecutingLocked(ServiceRecord r, String why) { |
| if (DEBUG_SERVICE) Log.v(TAG, ">>> EXECUTING " |
| + why + " of " + r + " in app " + r.app); |
| else if (DEBUG_SERVICE_EXECUTING) Log.v(TAG, ">>> EXECUTING " |
| + why + " of " + r.shortName); |
| long now = SystemClock.uptimeMillis(); |
| if (r.executeNesting == 0 && r.app != null) { |
| if (r.app.executingServices.size() == 0) { |
| Message msg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| msg.obj = r.app; |
| mHandler.sendMessageAtTime(msg, now+SERVICE_TIMEOUT); |
| } |
| r.app.executingServices.add(r); |
| } |
| r.executeNesting++; |
| r.executingStart = now; |
| } |
| |
| private final void sendServiceArgsLocked(ServiceRecord r, |
| boolean oomAdjusted) { |
| final int N = r.pendingStarts.size(); |
| if (N == 0) { |
| return; |
| } |
| |
| while (r.pendingStarts.size() > 0) { |
| try { |
| ServiceRecord.StartItem si = r.pendingStarts.remove(0); |
| if (DEBUG_SERVICE) Slog.v(TAG, "Sending arguments to: " |
| + r + " " + r.intent + " args=" + si.intent); |
| if (si.intent == null && N > 1) { |
| // If somehow we got a dummy null intent in the middle, |
| // then skip it. DO NOT skip a null intent when it is |
| // the only one in the list -- this is to support the |
| // onStartCommand(null) case. |
| continue; |
| } |
| si.deliveredTime = SystemClock.uptimeMillis(); |
| r.deliveredStarts.add(si); |
| si.deliveryCount++; |
| if (si.targetPermissionUid >= 0 && si.intent != null) { |
| grantUriPermissionUncheckedFromIntentLocked(si.targetPermissionUid, |
| r.packageName, si.intent, si.getUriPermissionsLocked()); |
| } |
| bumpServiceExecutingLocked(r, "start"); |
| if (!oomAdjusted) { |
| oomAdjusted = true; |
| updateOomAdjLocked(r.app); |
| } |
| int flags = 0; |
| if (si.deliveryCount > 0) { |
| flags |= Service.START_FLAG_RETRY; |
| } |
| if (si.doneExecutingCount > 0) { |
| flags |= Service.START_FLAG_REDELIVERY; |
| } |
| r.app.thread.scheduleServiceArgs(r, si.taskRemoved, si.id, flags, si.intent); |
| } catch (RemoteException e) { |
| // Remote process gone... we'll let the normal cleanup take |
| // care of this. |
| if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while scheduling start: " + r); |
| break; |
| } catch (Exception e) { |
| Slog.w(TAG, "Unexpected exception", e); |
| break; |
| } |
| } |
| } |
| |
| private final boolean requestServiceBindingLocked(ServiceRecord r, |
| IntentBindRecord i, boolean rebind) { |
| if (r.app == null || r.app.thread == null) { |
| // If service is not currently running, can't yet bind. |
| return false; |
| } |
| if ((!i.requested || rebind) && i.apps.size() > 0) { |
| try { |
| bumpServiceExecutingLocked(r, "bind"); |
| r.app.thread.scheduleBindService(r, i.intent.getIntent(), rebind); |
| if (!rebind) { |
| i.requested = true; |
| } |
| i.hasBound = true; |
| i.doRebind = false; |
| } catch (RemoteException e) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "Crashed while binding " + r); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private final void requestServiceBindingsLocked(ServiceRecord r) { |
| Iterator<IntentBindRecord> bindings = r.bindings.values().iterator(); |
| while (bindings.hasNext()) { |
| IntentBindRecord i = bindings.next(); |
| if (!requestServiceBindingLocked(r, i, false)) { |
| break; |
| } |
| } |
| } |
| |
| private final void realStartServiceLocked(ServiceRecord r, |
| ProcessRecord app) throws RemoteException { |
| if (app.thread == null) { |
| throw new RemoteException(); |
| } |
| |
| r.app = app; |
| r.restartTime = r.lastActivity = SystemClock.uptimeMillis(); |
| |
| app.services.add(r); |
| bumpServiceExecutingLocked(r, "create"); |
| updateLruProcessLocked(app, true, true); |
| |
| boolean created = false; |
| try { |
| mStringBuilder.setLength(0); |
| r.intent.getIntent().toShortString(mStringBuilder, false, true); |
| EventLog.writeEvent(EventLogTags.AM_CREATE_SERVICE, |
| System.identityHashCode(r), r.shortName, |
| mStringBuilder.toString(), r.app.pid); |
| synchronized (r.stats.getBatteryStats()) { |
| r.stats.startLaunchedLocked(); |
| } |
| ensurePackageDexOpt(r.serviceInfo.packageName); |
| app.thread.scheduleCreateService(r, r.serviceInfo, |
| compatibilityInfoForPackageLocked(r.serviceInfo.applicationInfo)); |
| r.postNotification(); |
| created = true; |
| } finally { |
| if (!created) { |
| app.services.remove(r); |
| scheduleServiceRestartLocked(r, false); |
| } |
| } |
| |
| requestServiceBindingsLocked(r); |
| |
| // If the service is in the started state, and there are no |
| // pending arguments, then fake up one so its onStartCommand() will |
| // be called. |
| if (r.startRequested && r.callStart && r.pendingStarts.size() == 0) { |
| r.pendingStarts.add(new ServiceRecord.StartItem(r, false, r.makeNextStartId(), |
| null, -1)); |
| } |
| |
| sendServiceArgsLocked(r, true); |
| } |
| |
| private final boolean scheduleServiceRestartLocked(ServiceRecord r, |
| boolean allowCancel) { |
| boolean canceled = false; |
| |
| final long now = SystemClock.uptimeMillis(); |
| long minDuration = SERVICE_RESTART_DURATION; |
| long resetTime = SERVICE_RESET_RUN_DURATION; |
| |
| if ((r.serviceInfo.applicationInfo.flags |
| &ApplicationInfo.FLAG_PERSISTENT) != 0) { |
| minDuration /= 4; |
| } |
| |
| // Any delivered but not yet finished starts should be put back |
| // on the pending list. |
| final int N = r.deliveredStarts.size(); |
| if (N > 0) { |
| for (int i=N-1; i>=0; i--) { |
| ServiceRecord.StartItem si = r.deliveredStarts.get(i); |
| si.removeUriPermissionsLocked(); |
| if (si.intent == null) { |
| // We'll generate this again if needed. |
| } else if (!allowCancel || (si.deliveryCount < ServiceRecord.MAX_DELIVERY_COUNT |
| && si.doneExecutingCount < ServiceRecord.MAX_DONE_EXECUTING_COUNT)) { |
| r.pendingStarts.add(0, si); |
| long dur = SystemClock.uptimeMillis() - si.deliveredTime; |
| dur *= 2; |
| if (minDuration < dur) minDuration = dur; |
| if (resetTime < dur) resetTime = dur; |
| } else { |
| Slog.w(TAG, "Canceling start item " + si.intent + " in service " |
| + r.name); |
| canceled = true; |
| } |
| } |
| r.deliveredStarts.clear(); |
| } |
| |
| r.totalRestartCount++; |
| if (r.restartDelay == 0) { |
| r.restartCount++; |
| r.restartDelay = minDuration; |
| } else { |
| // If it has been a "reasonably long time" since the service |
| // was started, then reset our restart duration back to |
| // the beginning, so we don't infinitely increase the duration |
| // on a service that just occasionally gets killed (which is |
| // a normal case, due to process being killed to reclaim memory). |
| if (now > (r.restartTime+resetTime)) { |
| r.restartCount = 1; |
| r.restartDelay = minDuration; |
| } else { |
| if ((r.serviceInfo.applicationInfo.flags |
| &ApplicationInfo.FLAG_PERSISTENT) != 0) { |
| // Services in peristent processes will restart much more |
| // quickly, since they are pretty important. (Think SystemUI). |
| r.restartDelay += minDuration/2; |
| } else { |
| r.restartDelay *= SERVICE_RESTART_DURATION_FACTOR; |
| if (r.restartDelay < minDuration) { |
| r.restartDelay = minDuration; |
| } |
| } |
| } |
| } |
| |
| r.nextRestartTime = now + r.restartDelay; |
| |
| // Make sure that we don't end up restarting a bunch of services |
| // all at the same time. |
| boolean repeat; |
| do { |
| repeat = false; |
| for (int i=mRestartingServices.size()-1; i>=0; i--) { |
| ServiceRecord r2 = mRestartingServices.get(i); |
| if (r2 != r && r.nextRestartTime |
| >= (r2.nextRestartTime-SERVICE_MIN_RESTART_TIME_BETWEEN) |
| && r.nextRestartTime |
| < (r2.nextRestartTime+SERVICE_MIN_RESTART_TIME_BETWEEN)) { |
| r.nextRestartTime = r2.nextRestartTime + SERVICE_MIN_RESTART_TIME_BETWEEN; |
| r.restartDelay = r.nextRestartTime - now; |
| repeat = true; |
| break; |
| } |
| } |
| } while (repeat); |
| |
| if (!mRestartingServices.contains(r)) { |
| mRestartingServices.add(r); |
| } |
| |
| r.cancelNotification(); |
| |
| mHandler.removeCallbacks(r.restarter); |
| mHandler.postAtTime(r.restarter, r.nextRestartTime); |
| r.nextRestartTime = SystemClock.uptimeMillis() + r.restartDelay; |
| Slog.w(TAG, "Scheduling restart of crashed service " |
| + r.shortName + " in " + r.restartDelay + "ms"); |
| EventLog.writeEvent(EventLogTags.AM_SCHEDULE_SERVICE_RESTART, |
| r.shortName, r.restartDelay); |
| |
| return canceled; |
| } |
| |
| final void performServiceRestartLocked(ServiceRecord r) { |
| if (!mRestartingServices.contains(r)) { |
| return; |
| } |
| bringUpServiceLocked(r, r.intent.getIntent().getFlags(), true); |
| } |
| |
| private final boolean unscheduleServiceRestartLocked(ServiceRecord r) { |
| if (r.restartDelay == 0) { |
| return false; |
| } |
| r.resetRestartCounter(); |
| mRestartingServices.remove(r); |
| mHandler.removeCallbacks(r.restarter); |
| return true; |
| } |
| |
| private final boolean bringUpServiceLocked(ServiceRecord r, |
| int intentFlags, boolean whileRestarting) { |
| //Slog.i(TAG, "Bring up service:"); |
| //r.dump(" "); |
| |
| if (r.app != null && r.app.thread != null) { |
| sendServiceArgsLocked(r, false); |
| return true; |
| } |
| |
| if (!whileRestarting && r.restartDelay > 0) { |
| // If waiting for a restart, then do nothing. |
| return true; |
| } |
| |
| if (DEBUG_SERVICE) Slog.v(TAG, "Bringing up " + r + " " + r.intent); |
| |
| // We are now bringing the service up, so no longer in the |
| // restarting state. |
| mRestartingServices.remove(r); |
| |
| // Service is now being launched, its package can't be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| r.packageName, false); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + r.packageName + ": " + e); |
| } |
| |
| final String appName = r.processName; |
| ProcessRecord app = getProcessRecordLocked(appName, r.appInfo.uid); |
| if (app != null && app.thread != null) { |
| try { |
| realStartServiceLocked(r, app); |
| return true; |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Exception when starting service " + r.shortName, e); |
| } |
| |
| // If a dead object exception was thrown -- fall through to |
| // restart the application. |
| } |
| |
| // Not running -- get it started, and enqueue this service record |
| // to be executed when the app comes up. |
| if (startProcessLocked(appName, r.appInfo, true, intentFlags, |
| "service", r.name, false) == null) { |
| Slog.w(TAG, "Unable to launch app " |
| + r.appInfo.packageName + "/" |
| + r.appInfo.uid + " for service " |
| + r.intent.getIntent() + ": process is bad"); |
| bringDownServiceLocked(r, true); |
| return false; |
| } |
| |
| if (!mPendingServices.contains(r)) { |
| mPendingServices.add(r); |
| } |
| |
| return true; |
| } |
| |
| private final void bringDownServiceLocked(ServiceRecord r, boolean force) { |
| //Slog.i(TAG, "Bring down service:"); |
| //r.dump(" "); |
| |
| // Does it still need to run? |
| if (!force && r.startRequested) { |
| return; |
| } |
| if (r.connections.size() > 0) { |
| if (!force) { |
| // XXX should probably keep a count of the number of auto-create |
| // connections directly in the service. |
| Iterator<ArrayList<ConnectionRecord>> it = r.connections.values().iterator(); |
| while (it.hasNext()) { |
| ArrayList<ConnectionRecord> cr = it.next(); |
| for (int i=0; i<cr.size(); i++) { |
| if ((cr.get(i).flags&Context.BIND_AUTO_CREATE) != 0) { |
| return; |
| } |
| } |
| } |
| } |
| |
| // Report to all of the connections that the service is no longer |
| // available. |
| Iterator<ArrayList<ConnectionRecord>> it = r.connections.values().iterator(); |
| while (it.hasNext()) { |
| ArrayList<ConnectionRecord> c = it.next(); |
| for (int i=0; i<c.size(); i++) { |
| try { |
| c.get(i).conn.connected(r.name, null); |
| } catch (Exception e) { |
| Slog.w(TAG, "Failure disconnecting service " + r.name + |
| " to connection " + c.get(i).conn.asBinder() + |
| " (in " + c.get(i).binding.client.processName + ")", e); |
| } |
| } |
| } |
| } |
| |
| // Tell the service that it has been unbound. |
| if (r.bindings.size() > 0 && r.app != null && r.app.thread != null) { |
| Iterator<IntentBindRecord> it = r.bindings.values().iterator(); |
| while (it.hasNext()) { |
| IntentBindRecord ibr = it.next(); |
| if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down binding " + ibr |
| + ": hasBound=" + ibr.hasBound); |
| if (r.app != null && r.app.thread != null && ibr.hasBound) { |
| try { |
| bumpServiceExecutingLocked(r, "bring down unbind"); |
| updateOomAdjLocked(r.app); |
| ibr.hasBound = false; |
| r.app.thread.scheduleUnbindService(r, |
| ibr.intent.getIntent()); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception when unbinding service " |
| + r.shortName, e); |
| serviceDoneExecutingLocked(r, true); |
| } |
| } |
| } |
| } |
| |
| if (DEBUG_SERVICE) Slog.v(TAG, "Bringing down " + r + " " + r.intent); |
| EventLog.writeEvent(EventLogTags.AM_DESTROY_SERVICE, |
| System.identityHashCode(r), r.shortName, |
| (r.app != null) ? r.app.pid : -1); |
| |
| mServices.remove(r.name); |
| mServicesByIntent.remove(r.intent); |
| r.totalRestartCount = 0; |
| unscheduleServiceRestartLocked(r); |
| |
| // Also make sure it is not on the pending list. |
| int N = mPendingServices.size(); |
| for (int i=0; i<N; i++) { |
| if (mPendingServices.get(i) == r) { |
| mPendingServices.remove(i); |
| if (DEBUG_SERVICE) Slog.v(TAG, "Removed pending: " + r); |
| i--; |
| N--; |
| } |
| } |
| |
| r.cancelNotification(); |
| r.isForeground = false; |
| r.foregroundId = 0; |
| r.foregroundNoti = null; |
| |
| // Clear start entries. |
| r.clearDeliveredStartsLocked(); |
| r.pendingStarts.clear(); |
| |
| if (r.app != null) { |
| synchronized (r.stats.getBatteryStats()) { |
| r.stats.stopLaunchedLocked(); |
| } |
| r.app.services.remove(r); |
| if (r.app.thread != null) { |
| try { |
| bumpServiceExecutingLocked(r, "stop"); |
| mStoppingServices.add(r); |
| updateOomAdjLocked(r.app); |
| r.app.thread.scheduleStopService(r); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception when stopping service " |
| + r.shortName, e); |
| serviceDoneExecutingLocked(r, true); |
| } |
| updateServiceForegroundLocked(r.app, false); |
| } else { |
| if (DEBUG_SERVICE) Slog.v( |
| TAG, "Removed service that has no process: " + r); |
| } |
| } else { |
| if (DEBUG_SERVICE) Slog.v( |
| TAG, "Removed service that is not running: " + r); |
| } |
| |
| if (r.bindings.size() > 0) { |
| r.bindings.clear(); |
| } |
| |
| if (r.restarter instanceof ServiceRestarter) { |
| ((ServiceRestarter)r.restarter).setService(null); |
| } |
| } |
| |
| ComponentName startServiceLocked(IApplicationThread caller, |
| Intent service, String resolvedType, |
| int callingPid, int callingUid) { |
| synchronized(this) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "startService: " + service |
| + " type=" + resolvedType + " args=" + service.getExtras()); |
| |
| if (caller != null) { |
| final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| if (callerApp == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when starting service " + service); |
| } |
| } |
| |
| ServiceLookupResult res = |
| retrieveServiceLocked(service, resolvedType, |
| callingPid, callingUid); |
| if (res == null) { |
| return null; |
| } |
| if (res.record == null) { |
| return new ComponentName("!", res.permission != null |
| ? res.permission : "private to package"); |
| } |
| ServiceRecord r = res.record; |
| int targetPermissionUid = checkGrantUriPermissionFromIntentLocked( |
| callingUid, r.packageName, service); |
| if (unscheduleServiceRestartLocked(r)) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "START SERVICE WHILE RESTART PENDING: " + r); |
| } |
| r.startRequested = true; |
| r.callStart = false; |
| r.pendingStarts.add(new ServiceRecord.StartItem(r, false, r.makeNextStartId(), |
| service, targetPermissionUid)); |
| r.lastActivity = SystemClock.uptimeMillis(); |
| synchronized (r.stats.getBatteryStats()) { |
| r.stats.startRunningLocked(); |
| } |
| if (!bringUpServiceLocked(r, service.getFlags(), false)) { |
| return new ComponentName("!", "Service process is bad"); |
| } |
| return r.name; |
| } |
| } |
| |
| public ComponentName startService(IApplicationThread caller, Intent service, |
| String resolvedType) { |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| final int callingPid = Binder.getCallingPid(); |
| final int callingUid = Binder.getCallingUid(); |
| final long origId = Binder.clearCallingIdentity(); |
| ComponentName res = startServiceLocked(caller, service, |
| resolvedType, callingPid, callingUid); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| ComponentName startServiceInPackage(int uid, |
| Intent service, String resolvedType) { |
| synchronized(this) { |
| final long origId = Binder.clearCallingIdentity(); |
| ComponentName res = startServiceLocked(null, service, |
| resolvedType, -1, uid); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| private void stopServiceLocked(ServiceRecord service) { |
| synchronized (service.stats.getBatteryStats()) { |
| service.stats.stopRunningLocked(); |
| } |
| service.startRequested = false; |
| service.callStart = false; |
| bringDownServiceLocked(service, false); |
| } |
| |
| public int stopService(IApplicationThread caller, Intent service, |
| String resolvedType) { |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "stopService: " + service |
| + " type=" + resolvedType); |
| |
| final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| if (caller != null && callerApp == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when stopping service " + service); |
| } |
| |
| // If this service is active, make sure it is stopped. |
| ServiceLookupResult r = findServiceLocked(service, resolvedType); |
| if (r != null) { |
| if (r.record != null) { |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| stopServiceLocked(r.record); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| return 1; |
| } |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| public IBinder peekService(Intent service, String resolvedType) { |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| IBinder ret = null; |
| |
| synchronized(this) { |
| ServiceLookupResult r = findServiceLocked(service, resolvedType); |
| |
| if (r != null) { |
| // r.record is null if findServiceLocked() failed the caller permission check |
| if (r.record == null) { |
| throw new SecurityException( |
| "Permission Denial: Accessing service " + r.record.name |
| + " from pid=" + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + r.permission); |
| } |
| IntentBindRecord ib = r.record.bindings.get(r.record.intent); |
| if (ib != null) { |
| ret = ib.binder; |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| public boolean stopServiceToken(ComponentName className, IBinder token, |
| int startId) { |
| synchronized(this) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "stopServiceToken: " + className |
| + " " + token + " startId=" + startId); |
| ServiceRecord r = findServiceLocked(className, token); |
| if (r != null) { |
| if (startId >= 0) { |
| // Asked to only stop if done with all work. Note that |
| // to avoid leaks, we will take this as dropping all |
| // start items up to and including this one. |
| ServiceRecord.StartItem si = r.findDeliveredStart(startId, false); |
| if (si != null) { |
| while (r.deliveredStarts.size() > 0) { |
| ServiceRecord.StartItem cur = r.deliveredStarts.remove(0); |
| cur.removeUriPermissionsLocked(); |
| if (cur == si) { |
| break; |
| } |
| } |
| } |
| |
| if (r.getLastStartId() != startId) { |
| return false; |
| } |
| |
| if (r.deliveredStarts.size() > 0) { |
| Slog.w(TAG, "stopServiceToken startId " + startId |
| + " is last, but have " + r.deliveredStarts.size() |
| + " remaining args"); |
| } |
| } |
| |
| synchronized (r.stats.getBatteryStats()) { |
| r.stats.stopRunningLocked(); |
| r.startRequested = false; |
| r.callStart = false; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| bringDownServiceLocked(r, false); |
| Binder.restoreCallingIdentity(origId); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public void setServiceForeground(ComponentName className, IBinder token, |
| int id, Notification notification, boolean removeNotification) { |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized(this) { |
| ServiceRecord r = findServiceLocked(className, token); |
| if (r != null) { |
| if (id != 0) { |
| if (notification == null) { |
| throw new IllegalArgumentException("null notification"); |
| } |
| if (r.foregroundId != id) { |
| r.cancelNotification(); |
| r.foregroundId = id; |
| } |
| notification.flags |= Notification.FLAG_FOREGROUND_SERVICE; |
| r.foregroundNoti = notification; |
| r.isForeground = true; |
| r.postNotification(); |
| if (r.app != null) { |
| updateServiceForegroundLocked(r.app, true); |
| } |
| } else { |
| if (r.isForeground) { |
| r.isForeground = false; |
| if (r.app != null) { |
| updateLruProcessLocked(r.app, false, true); |
| updateServiceForegroundLocked(r.app, true); |
| } |
| } |
| if (removeNotification) { |
| r.cancelNotification(); |
| r.foregroundId = 0; |
| r.foregroundNoti = null; |
| } |
| } |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| |
| public void updateServiceForegroundLocked(ProcessRecord proc, boolean oomAdj) { |
| boolean anyForeground = false; |
| for (ServiceRecord sr : proc.services) { |
| if (sr.isForeground) { |
| anyForeground = true; |
| break; |
| } |
| } |
| if (anyForeground != proc.foregroundServices) { |
| proc.foregroundServices = anyForeground; |
| if (oomAdj) { |
| updateOomAdjLocked(); |
| } |
| } |
| } |
| |
| public int bindService(IApplicationThread caller, IBinder token, |
| Intent service, String resolvedType, |
| IServiceConnection connection, int flags) { |
| // Refuse possible leaked file descriptors |
| if (service != null && service.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| synchronized(this) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "bindService: " + service |
| + " type=" + resolvedType + " conn=" + connection.asBinder() |
| + " flags=0x" + Integer.toHexString(flags)); |
| final ProcessRecord callerApp = getRecordForAppLocked(caller); |
| if (callerApp == null) { |
| throw new SecurityException( |
| "Unable to find app for caller " + caller |
| + " (pid=" + Binder.getCallingPid() |
| + ") when binding service " + service); |
| } |
| |
| ActivityRecord activity = null; |
| if (token != null) { |
| int aindex = mMainStack.indexOfTokenLocked(token); |
| if (aindex < 0) { |
| Slog.w(TAG, "Binding with unknown activity: " + token); |
| return 0; |
| } |
| activity = (ActivityRecord)mMainStack.mHistory.get(aindex); |
| } |
| |
| int clientLabel = 0; |
| PendingIntent clientIntent = null; |
| |
| if (callerApp.info.uid == Process.SYSTEM_UID) { |
| // Hacky kind of thing -- allow system stuff to tell us |
| // what they are, so we can report this elsewhere for |
| // others to know why certain services are running. |
| try { |
| clientIntent = (PendingIntent)service.getParcelableExtra( |
| Intent.EXTRA_CLIENT_INTENT); |
| } catch (RuntimeException e) { |
| } |
| if (clientIntent != null) { |
| clientLabel = service.getIntExtra(Intent.EXTRA_CLIENT_LABEL, 0); |
| if (clientLabel != 0) { |
| // There are no useful extras in the intent, trash them. |
| // System code calling with this stuff just needs to know |
| // this will happen. |
| service = service.cloneFilter(); |
| } |
| } |
| } |
| |
| ServiceLookupResult res = |
| retrieveServiceLocked(service, resolvedType, |
| Binder.getCallingPid(), Binder.getCallingUid()); |
| if (res == null) { |
| return 0; |
| } |
| if (res.record == null) { |
| return -1; |
| } |
| ServiceRecord s = res.record; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (unscheduleServiceRestartLocked(s)) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "BIND SERVICE WHILE RESTART PENDING: " |
| + s); |
| } |
| |
| AppBindRecord b = s.retrieveAppBindingLocked(service, callerApp); |
| ConnectionRecord c = new ConnectionRecord(b, activity, |
| connection, flags, clientLabel, clientIntent); |
| |
| IBinder binder = connection.asBinder(); |
| ArrayList<ConnectionRecord> clist = s.connections.get(binder); |
| if (clist == null) { |
| clist = new ArrayList<ConnectionRecord>(); |
| s.connections.put(binder, clist); |
| } |
| clist.add(c); |
| b.connections.add(c); |
| if (activity != null) { |
| if (activity.connections == null) { |
| activity.connections = new HashSet<ConnectionRecord>(); |
| } |
| activity.connections.add(c); |
| } |
| b.client.connections.add(c); |
| clist = mServiceConnections.get(binder); |
| if (clist == null) { |
| clist = new ArrayList<ConnectionRecord>(); |
| mServiceConnections.put(binder, clist); |
| } |
| clist.add(c); |
| |
| if ((flags&Context.BIND_AUTO_CREATE) != 0) { |
| s.lastActivity = SystemClock.uptimeMillis(); |
| if (!bringUpServiceLocked(s, service.getFlags(), false)) { |
| return 0; |
| } |
| } |
| |
| if (s.app != null) { |
| // This could have made the service more important. |
| updateOomAdjLocked(s.app); |
| } |
| |
| if (DEBUG_SERVICE) Slog.v(TAG, "Bind " + s + " with " + b |
| + ": received=" + b.intent.received |
| + " apps=" + b.intent.apps.size() |
| + " doRebind=" + b.intent.doRebind); |
| |
| if (s.app != null && b.intent.received) { |
| // Service is already running, so we can immediately |
| // publish the connection. |
| try { |
| c.conn.connected(s.name, b.intent.binder); |
| } catch (Exception e) { |
| Slog.w(TAG, "Failure sending service " + s.shortName |
| + " to connection " + c.conn.asBinder() |
| + " (in " + c.binding.client.processName + ")", e); |
| } |
| |
| // If this is the first app connected back to this binding, |
| // and the service had previously asked to be told when |
| // rebound, then do so. |
| if (b.intent.apps.size() == 1 && b.intent.doRebind) { |
| requestServiceBindingLocked(s, b.intent, true); |
| } |
| } else if (!b.intent.requested) { |
| requestServiceBindingLocked(s, b.intent, false); |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| return 1; |
| } |
| |
| void removeConnectionLocked( |
| ConnectionRecord c, ProcessRecord skipApp, ActivityRecord skipAct) { |
| IBinder binder = c.conn.asBinder(); |
| AppBindRecord b = c.binding; |
| ServiceRecord s = b.service; |
| ArrayList<ConnectionRecord> clist = s.connections.get(binder); |
| if (clist != null) { |
| clist.remove(c); |
| if (clist.size() == 0) { |
| s.connections.remove(binder); |
| } |
| } |
| b.connections.remove(c); |
| if (c.activity != null && c.activity != skipAct) { |
| if (c.activity.connections != null) { |
| c.activity.connections.remove(c); |
| } |
| } |
| if (b.client != skipApp) { |
| b.client.connections.remove(c); |
| } |
| clist = mServiceConnections.get(binder); |
| if (clist != null) { |
| clist.remove(c); |
| if (clist.size() == 0) { |
| mServiceConnections.remove(binder); |
| } |
| } |
| |
| if (b.connections.size() == 0) { |
| b.intent.apps.remove(b.client); |
| } |
| |
| if (DEBUG_SERVICE) Slog.v(TAG, "Disconnecting binding " + b.intent |
| + ": shouldUnbind=" + b.intent.hasBound); |
| if (s.app != null && s.app.thread != null && b.intent.apps.size() == 0 |
| && b.intent.hasBound) { |
| try { |
| bumpServiceExecutingLocked(s, "unbind"); |
| updateOomAdjLocked(s.app); |
| b.intent.hasBound = false; |
| // Assume the client doesn't want to know about a rebind; |
| // we will deal with that later if it asks for one. |
| b.intent.doRebind = false; |
| s.app.thread.scheduleUnbindService(s, b.intent.intent.getIntent()); |
| } catch (Exception e) { |
| Slog.w(TAG, "Exception when unbinding service " + s.shortName, e); |
| serviceDoneExecutingLocked(s, true); |
| } |
| } |
| |
| if ((c.flags&Context.BIND_AUTO_CREATE) != 0) { |
| bringDownServiceLocked(s, false); |
| } |
| } |
| |
| public boolean unbindService(IServiceConnection connection) { |
| synchronized (this) { |
| IBinder binder = connection.asBinder(); |
| if (DEBUG_SERVICE) Slog.v(TAG, "unbindService: conn=" + binder); |
| ArrayList<ConnectionRecord> clist = mServiceConnections.get(binder); |
| if (clist == null) { |
| Slog.w(TAG, "Unbind failed: could not find connection for " |
| + connection.asBinder()); |
| return false; |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| while (clist.size() > 0) { |
| ConnectionRecord r = clist.get(0); |
| removeConnectionLocked(r, null, null); |
| |
| if (r.binding.service.app != null) { |
| // This could have made the service less important. |
| updateOomAdjLocked(r.binding.service.app); |
| } |
| } |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| return true; |
| } |
| |
| 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"); |
| } |
| ServiceRecord r = (ServiceRecord)token; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (DEBUG_SERVICE) Slog.v(TAG, "PUBLISHING " + r |
| + " " + intent + ": " + service); |
| if (r != null) { |
| Intent.FilterComparison filter |
| = new Intent.FilterComparison(intent); |
| IntentBindRecord b = r.bindings.get(filter); |
| if (b != null && !b.received) { |
| b.binder = service; |
| b.requested = true; |
| b.received = true; |
| if (r.connections.size() > 0) { |
| Iterator<ArrayList<ConnectionRecord>> it |
| = r.connections.values().iterator(); |
| while (it.hasNext()) { |
| ArrayList<ConnectionRecord> clist = it.next(); |
| for (int i=0; i<clist.size(); i++) { |
| ConnectionRecord c = clist.get(i); |
| if (!filter.equals(c.binding.intent.intent)) { |
| if (DEBUG_SERVICE) Slog.v( |
| TAG, "Not publishing to: " + c); |
| if (DEBUG_SERVICE) Slog.v( |
| TAG, "Bound intent: " + c.binding.intent.intent); |
| if (DEBUG_SERVICE) Slog.v( |
| TAG, "Published intent: " + intent); |
| continue; |
| } |
| if (DEBUG_SERVICE) Slog.v(TAG, "Publishing to: " + c); |
| try { |
| c.conn.connected(r.name, service); |
| } catch (Exception e) { |
| Slog.w(TAG, "Failure sending service " + r.name + |
| " to connection " + c.conn.asBinder() + |
| " (in " + c.binding.client.processName + ")", e); |
| } |
| } |
| } |
| } |
| } |
| |
| serviceDoneExecutingLocked(r, mStoppingServices.contains(r)); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| 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) { |
| if (!(token instanceof ServiceRecord)) { |
| throw new IllegalArgumentException("Invalid service token"); |
| } |
| ServiceRecord r = (ServiceRecord)token; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (r != null) { |
| Intent.FilterComparison filter |
| = new Intent.FilterComparison(intent); |
| IntentBindRecord b = r.bindings.get(filter); |
| if (DEBUG_SERVICE) Slog.v(TAG, "unbindFinished in " + r |
| + " at " + b + ": apps=" |
| + (b != null ? b.apps.size() : 0)); |
| if (b != null) { |
| if (b.apps.size() > 0) { |
| // Applications have already bound since the last |
| // unbind, so just rebind right here. |
| requestServiceBindingLocked(r, b, true); |
| } else { |
| // Note to tell the service the next time there is |
| // a new client. |
| b.doRebind = true; |
| } |
| } |
| |
| serviceDoneExecutingLocked(r, mStoppingServices.contains(r)); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| } |
| } |
| |
| public void serviceDoneExecuting(IBinder token, int type, int startId, int res) { |
| synchronized(this) { |
| if (!(token instanceof ServiceRecord)) { |
| throw new IllegalArgumentException("Invalid service token"); |
| } |
| ServiceRecord r = (ServiceRecord)token; |
| boolean inStopping = mStoppingServices.contains(token); |
| if (r != null) { |
| if (r != token) { |
| Slog.w(TAG, "Done executing service " + r.name |
| + " with incorrect token: given " + token |
| + ", expected " + r); |
| return; |
| } |
| |
| if (type == 1) { |
| // This is a call from a service start... take care of |
| // book-keeping. |
| r.callStart = true; |
| switch (res) { |
| case Service.START_STICKY_COMPATIBILITY: |
| case Service.START_STICKY: { |
| // We are done with the associated start arguments. |
| r.findDeliveredStart(startId, true); |
| // Don't stop if killed. |
| r.stopIfKilled = false; |
| break; |
| } |
| case Service.START_NOT_STICKY: { |
| // We are done with the associated start arguments. |
| r.findDeliveredStart(startId, true); |
| if (r.getLastStartId() == startId) { |
| // There is no more work, and this service |
| // doesn't want to hang around if killed. |
| r.stopIfKilled = true; |
| } |
| break; |
| } |
| case Service.START_REDELIVER_INTENT: { |
| // We'll keep this item until they explicitly |
| // call stop for it, but keep track of the fact |
| // that it was delivered. |
| ServiceRecord.StartItem si = r.findDeliveredStart(startId, false); |
| if (si != null) { |
| si.deliveryCount = 0; |
| si.doneExecutingCount++; |
| // Don't stop if killed. |
| r.stopIfKilled = true; |
| } |
| break; |
| } |
| case Service.START_TASK_REMOVED_COMPLETE: { |
| // Special processing for onTaskRemoved(). Don't |
| // impact normal onStartCommand() processing. |
| r.findDeliveredStart(startId, true); |
| break; |
| } |
| default: |
| throw new IllegalArgumentException( |
| "Unknown service start result: " + res); |
| } |
| if (res == Service.START_STICKY_COMPATIBILITY) { |
| r.callStart = false; |
| } |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| serviceDoneExecutingLocked(r, inStopping); |
| Binder.restoreCallingIdentity(origId); |
| } else { |
| Slog.w(TAG, "Done executing unknown service from pid " |
| + Binder.getCallingPid()); |
| } |
| } |
| } |
| |
| public void serviceDoneExecutingLocked(ServiceRecord r, boolean inStopping) { |
| if (DEBUG_SERVICE) Slog.v(TAG, "<<< DONE EXECUTING " + r |
| + ": nesting=" + r.executeNesting |
| + ", inStopping=" + inStopping + ", app=" + r.app); |
| else if (DEBUG_SERVICE_EXECUTING) Slog.v(TAG, "<<< DONE EXECUTING " + r.shortName); |
| r.executeNesting--; |
| if (r.executeNesting <= 0 && r.app != null) { |
| if (DEBUG_SERVICE) Slog.v(TAG, |
| "Nesting at 0 of " + r.shortName); |
| r.app.executingServices.remove(r); |
| if (r.app.executingServices.size() == 0) { |
| if (DEBUG_SERVICE || DEBUG_SERVICE_EXECUTING) Slog.v(TAG, |
| "No more executingServices of " + r.shortName); |
| mHandler.removeMessages(SERVICE_TIMEOUT_MSG, r.app); |
| } |
| if (inStopping) { |
| if (DEBUG_SERVICE) Slog.v(TAG, |
| "doneExecuting remove stopping " + r); |
| mStoppingServices.remove(r); |
| r.bindings.clear(); |
| } |
| updateOomAdjLocked(r.app); |
| } |
| } |
| |
| void serviceTimeout(ProcessRecord proc) { |
| String anrMessage = null; |
| |
| synchronized(this) { |
| if (proc.executingServices.size() == 0 || proc.thread == null) { |
| return; |
| } |
| long maxTime = SystemClock.uptimeMillis() - SERVICE_TIMEOUT; |
| Iterator<ServiceRecord> it = proc.executingServices.iterator(); |
| ServiceRecord timeout = null; |
| long nextTime = 0; |
| while (it.hasNext()) { |
| ServiceRecord sr = it.next(); |
| if (sr.executingStart < maxTime) { |
| timeout = sr; |
| break; |
| } |
| if (sr.executingStart > nextTime) { |
| nextTime = sr.executingStart; |
| } |
| } |
| if (timeout != null && mLruProcesses.contains(proc)) { |
| Slog.w(TAG, "Timeout executing service: " + timeout); |
| anrMessage = "Executing service " + timeout.shortName; |
| } else { |
| Message msg = mHandler.obtainMessage(SERVICE_TIMEOUT_MSG); |
| msg.obj = proc; |
| mHandler.sendMessageAtTime(msg, nextTime+SERVICE_TIMEOUT); |
| } |
| } |
| |
| if (anrMessage != null) { |
| appNotResponding(proc, null, null, anrMessage); |
| } |
| } |
| |
| // ========================================================= |
| // 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, "startBackupAgent: app=" + app + " mode=" + backupMode); |
| enforceCallingPermission("android.permission.BACKUP", "startBackupAgent"); |
| |
| 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); |
| } 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); |
| 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; |
| } |
| |
| // 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) { |
| 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; |
| } |
| |
| ProcessRecord proc = mBackupTarget.app; |
| mBackupTarget = null; |
| mBackupAppName = null; |
| |
| // Not backing this app up any more; reset its OOM adjustment |
| 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(); |
| } |
| } |
| } |
| } |
| // ========================================================= |
| // BROADCASTS |
| // ========================================================= |
| |
| private final List getStickiesLocked(String action, IntentFilter filter, |
| List cur) { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| final ArrayList<Intent> list = mStickyBroadcasts.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; |
| } |
| |
| private final void scheduleBroadcastsLocked() { |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Schedule broadcasts: current=" |
| + mBroadcastsScheduled); |
| |
| if (mBroadcastsScheduled) { |
| return; |
| } |
| mHandler.sendEmptyMessage(BROADCAST_INTENT_MSG); |
| mBroadcastsScheduled = true; |
| } |
| |
| public Intent registerReceiver(IApplicationThread caller, |
| IIntentReceiver receiver, IntentFilter filter, String permission) { |
| 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); |
| } |
| } |
| |
| 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); |
| } |
| } else { |
| allSticky = getStickiesLocked(null, filter, allSticky); |
| } |
| |
| // 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, |
| Binder.getCallingPid(), |
| Binder.getCallingUid(), 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); |
| } |
| BroadcastFilter bf = new BroadcastFilter(filter, rl, permission); |
| 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); |
| BroadcastRecord r = new BroadcastRecord(intent, null, |
| null, -1, -1, null, receivers, null, 0, null, null, |
| false, true, true); |
| if (mParallelBroadcasts.size() == 0) { |
| scheduleBroadcastsLocked(); |
| } |
| mParallelBroadcasts.add(r); |
| } |
| } |
| |
| return sticky; |
| } |
| } |
| |
| public void unregisterReceiver(IIntentReceiver receiver) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver); |
| |
| boolean doNext = false; |
| |
| synchronized(this) { |
| ReceiverList rl |
| = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder()); |
| if (rl != null) { |
| if (rl.curBroadcast != null) { |
| BroadcastRecord r = rl.curBroadcast; |
| doNext = finishReceiverLocked( |
| receiver.asBinder(), r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| } |
| |
| if (rl.app != null) { |
| rl.app.receivers.remove(rl); |
| } |
| removeReceiverLocked(rl); |
| if (rl.linkedToDeath) { |
| rl.linkedToDeath = false; |
| rl.receiver.asBinder().unlinkToDeath(rl, 0); |
| } |
| } |
| } |
| |
| if (!doNext) { |
| return; |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| processNextBroadcast(false); |
| trimApplications(); |
| 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) { |
| for (int i = mLruProcesses.size() - 1 ; i >= 0 ; i--) { |
| ProcessRecord r = mLruProcesses.get(i); |
| if (r.thread != null) { |
| try { |
| r.thread.dispatchPackageBroadcast(cmd, packages); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| } |
| |
| private final int broadcastIntentLocked(ProcessRecord callerApp, |
| String callerPackage, Intent intent, String resolvedType, |
| IIntentReceiver resultTo, int resultCode, String resultData, |
| Bundle map, String requiredPermission, |
| boolean ordered, boolean sticky, int callingPid, int callingUid) { |
| 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); |
| if ((resultTo != null) && !ordered) { |
| Slog.w(TAG, "Broadcast " + intent + " not ordered but result callback requested!"); |
| } |
| |
| // 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); |
| } |
| } |
| } else { |
| // If resources are unvailble 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); |
| } |
| sendPackageBroadcastLocked( |
| IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE, list); |
| } |
| } 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); |
| } |
| if (Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) { |
| sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED, |
| new String[] {ssp}); |
| } |
| } |
| } |
| } |
| } 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)); |
| } |
| |
| /* |
| * Prevent non-system code (defined here to be non-persistent |
| * processes) from sending protected broadcasts. |
| */ |
| if (callingUid == Process.SYSTEM_UID || callingUid == Process.PHONE_UID |
| || callingUid == Process.SHELL_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); |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Remote exception", e); |
| return BROADCAST_SUCCESS; |
| } |
| } |
| |
| // 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 BROADCAST_STICKY_CANT_HAVE_PERMISSION; |
| } |
| if (intent.getComponent() != null) { |
| throw new SecurityException( |
| "Sticky broadcasts can't target a specific component"); |
| } |
| ArrayList<Intent> list = mStickyBroadcasts.get(intent.getAction()); |
| if (list == null) { |
| list = new ArrayList<Intent>(); |
| mStickyBroadcasts.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)); |
| } |
| } |
| |
| // Figure out who all will receive this broadcast. |
| List receivers = null; |
| List<BroadcastFilter> registeredReceivers = null; |
| try { |
| if (intent.getComponent() != null) { |
| // Broadcast is going to one specific receiver class... |
| ActivityInfo ai = AppGlobals.getPackageManager(). |
| getReceiverInfo(intent.getComponent(), STOCK_PM_FLAGS); |
| if (ai != null) { |
| receivers = new ArrayList(); |
| ResolveInfo ri = new ResolveInfo(); |
| ri.activityInfo = ai; |
| receivers.add(ri); |
| } |
| } else { |
| // Need to resolve the intent to interested receivers... |
| if ((intent.getFlags()&Intent.FLAG_RECEIVER_REGISTERED_ONLY) |
| == 0) { |
| receivers = |
| AppGlobals.getPackageManager().queryIntentReceivers( |
| intent, resolvedType, STOCK_PM_FLAGS); |
| } |
| registeredReceivers = mReceiverResolver.queryIntent(intent, resolvedType, false); |
| } |
| } catch (RemoteException ex) { |
| // pm is in same process, this will never happen. |
| } |
| |
| 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. |
| BroadcastRecord r = new BroadcastRecord(intent, callerApp, |
| callerPackage, callingPid, callingUid, requiredPermission, |
| registeredReceivers, resultTo, resultCode, resultData, map, |
| ordered, sticky, false); |
| if (DEBUG_BROADCAST) Slog.v( |
| TAG, "Enqueueing parallel broadcast " + r |
| + ": prev had " + mParallelBroadcasts.size()); |
| boolean replaced = false; |
| if (replacePending) { |
| for (int i=mParallelBroadcasts.size()-1; i>=0; i--) { |
| if (intent.filterEquals(mParallelBroadcasts.get(i).intent)) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "***** DROPPING PARALLEL: " + intent); |
| mParallelBroadcasts.set(i, r); |
| replaced = true; |
| break; |
| } |
| } |
| } |
| if (!replaced) { |
| mParallelBroadcasts.add(r); |
| 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) { |
| BroadcastRecord r = new BroadcastRecord(intent, callerApp, |
| callerPackage, callingPid, callingUid, requiredPermission, |
| receivers, resultTo, resultCode, resultData, map, ordered, |
| sticky, false); |
| if (DEBUG_BROADCAST) Slog.v( |
| TAG, "Enqueueing ordered broadcast " + r |
| + ": prev had " + mOrderedBroadcasts.size()); |
| if (DEBUG_BROADCAST) { |
| int seq = r.intent.getIntExtra("seq", -1); |
| Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq); |
| } |
| boolean replaced = false; |
| if (replacePending) { |
| for (int i=mOrderedBroadcasts.size()-1; i>0; i--) { |
| if (intent.filterEquals(mOrderedBroadcasts.get(i).intent)) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "***** DROPPING ORDERED: " + intent); |
| mOrderedBroadcasts.set(i, r); |
| replaced = true; |
| break; |
| } |
| } |
| } |
| if (!replaced) { |
| mOrderedBroadcasts.add(r); |
| scheduleBroadcastsLocked(); |
| } |
| } |
| |
| return 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, boolean serialized, boolean sticky) { |
| 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, serialized, |
| sticky, callingPid, callingUid); |
| 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) { |
| synchronized(this) { |
| intent = verifyBroadcastLocked(intent); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| int res = broadcastIntentLocked(null, packageName, intent, resolvedType, |
| resultTo, resultCode, resultData, map, requiredPermission, |
| serialized, sticky, -1, uid); |
| Binder.restoreCallingIdentity(origId); |
| return res; |
| } |
| } |
| |
| public final void unbroadcastIntent(IApplicationThread caller, |
| Intent intent) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors() == true) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| 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); |
| } |
| ArrayList<Intent> list = mStickyBroadcasts.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; |
| } |
| } |
| } |
| } |
| } |
| |
| private final boolean finishReceiverLocked(IBinder receiver, int resultCode, |
| String resultData, Bundle resultExtras, boolean resultAbort, |
| boolean explicit) { |
| if (mOrderedBroadcasts.size() == 0) { |
| if (explicit) { |
| Slog.w(TAG, "finishReceiver called but no pending broadcasts"); |
| } |
| return false; |
| } |
| BroadcastRecord r = mOrderedBroadcasts.get(0); |
| if (r.receiver == null) { |
| if (explicit) { |
| Slog.w(TAG, "finishReceiver called but none active"); |
| } |
| return false; |
| } |
| if (r.receiver != receiver) { |
| Slog.w(TAG, "finishReceiver called but active receiver is different"); |
| return false; |
| } |
| int state = r.state; |
| r.state = r.IDLE; |
| if (state == r.IDLE) { |
| if (explicit) { |
| Slog.w(TAG, "finishReceiver called but state is IDLE"); |
| } |
| } |
| r.receiver = null; |
| r.intent.setComponent(null); |
| if (r.curApp != null) { |
| r.curApp.curReceiver = null; |
| } |
| if (r.curFilter != null) { |
| r.curFilter.receiverList.curBroadcast = null; |
| } |
| r.curFilter = null; |
| r.curApp = null; |
| r.curComponent = null; |
| r.curReceiver = null; |
| mPendingBroadcast = null; |
| |
| r.resultCode = resultCode; |
| r.resultData = resultData; |
| r.resultExtras = resultExtras; |
| r.resultAbort = resultAbort; |
| |
| // We will process the next receiver right now if this is finishing |
| // an app receiver (which is always asynchronous) or after we have |
| // come back from calling a receiver. |
| return state == BroadcastRecord.APP_RECEIVE |
| || state == BroadcastRecord.CALL_DONE_RECEIVE; |
| } |
| |
| 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"); |
| } |
| |
| boolean doNext; |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| synchronized(this) { |
| doNext = finishReceiverLocked( |
| who, resultCode, resultData, resultExtras, resultAbort, true); |
| } |
| |
| if (doNext) { |
| processNextBroadcast(false); |
| } |
| trimApplications(); |
| |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| private final void logBroadcastReceiverDiscardLocked(BroadcastRecord r) { |
| if (r.nextReceiver > 0) { |
| Object curReceiver = r.receivers.get(r.nextReceiver-1); |
| if (curReceiver instanceof BroadcastFilter) { |
| BroadcastFilter bf = (BroadcastFilter) curReceiver; |
| EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_FILTER, |
| System.identityHashCode(r), |
| r.intent.getAction(), |
| r.nextReceiver - 1, |
| System.identityHashCode(bf)); |
| } else { |
| EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP, |
| System.identityHashCode(r), |
| r.intent.getAction(), |
| r.nextReceiver - 1, |
| ((ResolveInfo)curReceiver).toString()); |
| } |
| } else { |
| Slog.w(TAG, "Discarding broadcast before first receiver is invoked: " |
| + r); |
| EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP, |
| System.identityHashCode(r), |
| r.intent.getAction(), |
| r.nextReceiver, |
| "NONE"); |
| } |
| } |
| |
| private final void setBroadcastTimeoutLocked(long timeoutTime) { |
| if (! mPendingBroadcastTimeoutMessage) { |
| Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG); |
| mHandler.sendMessageAtTime(msg, timeoutTime); |
| mPendingBroadcastTimeoutMessage = true; |
| } |
| } |
| |
| private final void cancelBroadcastTimeoutLocked() { |
| if (mPendingBroadcastTimeoutMessage) { |
| mHandler.removeMessages(BROADCAST_TIMEOUT_MSG); |
| mPendingBroadcastTimeoutMessage = false; |
| } |
| } |
| |
| private final void broadcastTimeoutLocked(boolean fromMsg) { |
| if (fromMsg) { |
| mPendingBroadcastTimeoutMessage = false; |
| } |
| |
| if (mOrderedBroadcasts.size() == 0) { |
| return; |
| } |
| |
| long now = SystemClock.uptimeMillis(); |
| BroadcastRecord r = mOrderedBroadcasts.get(0); |
| if (fromMsg) { |
| if (mDidDexOpt) { |
| // Delay timeouts until dexopt finishes. |
| mDidDexOpt = false; |
| long timeoutTime = SystemClock.uptimeMillis() + BROADCAST_TIMEOUT; |
| setBroadcastTimeoutLocked(timeoutTime); |
| return; |
| } |
| if (! mProcessesReady) { |
| // Only process broadcast timeouts if the system is ready. That way |
| // PRE_BOOT_COMPLETED broadcasts can't timeout as they are intended |
| // to do heavy lifting for system up. |
| return; |
| } |
| |
| long timeoutTime = r.receiverTime + BROADCAST_TIMEOUT; |
| if (timeoutTime > now) { |
| // We can observe premature timeouts because we do not cancel and reset the |
| // broadcast timeout message after each receiver finishes. Instead, we set up |
| // an initial timeout then kick it down the road a little further as needed |
| // when it expires. |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Premature timeout @ " + now + ": resetting BROADCAST_TIMEOUT_MSG for " |
| + timeoutTime); |
| setBroadcastTimeoutLocked(timeoutTime); |
| return; |
| } |
| } |
| |
| Slog.w(TAG, "Timeout of broadcast " + r + " - receiver=" + r.receiver |
| + ", started " + (now - r.receiverTime) + "ms ago"); |
| r.receiverTime = now; |
| r.anrCount++; |
| |
| // Current receiver has passed its expiration date. |
| if (r.nextReceiver <= 0) { |
| Slog.w(TAG, "Timeout on receiver with nextReceiver <= 0"); |
| return; |
| } |
| |
| ProcessRecord app = null; |
| String anrMessage = null; |
| |
| Object curReceiver = r.receivers.get(r.nextReceiver-1); |
| Slog.w(TAG, "Receiver during timeout: " + curReceiver); |
| logBroadcastReceiverDiscardLocked(r); |
| if (curReceiver instanceof BroadcastFilter) { |
| BroadcastFilter bf = (BroadcastFilter)curReceiver; |
| if (bf.receiverList.pid != 0 |
| && bf.receiverList.pid != MY_PID) { |
| synchronized (this.mPidsSelfLocked) { |
| app = this.mPidsSelfLocked.get( |
| bf.receiverList.pid); |
| } |
| } |
| } else { |
| app = r.curApp; |
| } |
| |
| if (app != null) { |
| anrMessage = "Broadcast of " + r.intent.toString(); |
| } |
| |
| if (mPendingBroadcast == r) { |
| mPendingBroadcast = null; |
| } |
| |
| // Move on to the next receiver. |
| finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| scheduleBroadcastsLocked(); |
| |
| if (anrMessage != null) { |
| // Post the ANR to the handler since we do not want to process ANRs while |
| // potentially holding our lock. |
| mHandler.post(new AppNotResponding(app, anrMessage)); |
| } |
| } |
| |
| private final void processCurBroadcastLocked(BroadcastRecord r, |
| ProcessRecord app) throws RemoteException { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Process cur broadcast " + r + " for app " + app); |
| if (app.thread == null) { |
| throw new RemoteException(); |
| } |
| r.receiver = app.thread.asBinder(); |
| r.curApp = app; |
| app.curReceiver = r; |
| updateLruProcessLocked(app, true, true); |
| |
| // Tell the application to launch this receiver. |
| r.intent.setComponent(r.curComponent); |
| |
| boolean started = false; |
| try { |
| if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, |
| "Delivering to component " + r.curComponent |
| + ": " + r); |
| ensurePackageDexOpt(r.intent.getComponent().getPackageName()); |
| app.thread.scheduleReceiver(new Intent(r.intent), r.curReceiver, |
| compatibilityInfoForPackageLocked(r.curReceiver.applicationInfo), |
| r.resultCode, r.resultData, r.resultExtras, r.ordered); |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Process cur broadcast " + r + " DELIVERED for app " + app); |
| started = true; |
| } finally { |
| if (!started) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Process cur broadcast " + r + ": NOT STARTED!"); |
| r.receiver = null; |
| r.curApp = null; |
| app.curReceiver = null; |
| } |
| } |
| |
| } |
| |
| static void performReceiveLocked(ProcessRecord app, IIntentReceiver receiver, |
| Intent intent, int resultCode, String data, Bundle extras, |
| boolean ordered, boolean sticky) throws RemoteException { |
| // Send the intent to the receiver asynchronously using one-way binder calls. |
| if (app != null && app.thread != null) { |
| // If we have an app thread, do the call through that so it is |
| // correctly ordered with other one-way calls. |
| app.thread.scheduleRegisteredReceiver(receiver, intent, resultCode, |
| data, extras, ordered, sticky); |
| } else { |
| receiver.performReceive(intent, resultCode, data, extras, ordered, sticky); |
| } |
| } |
| |
| private final void deliverToRegisteredReceiverLocked(BroadcastRecord r, |
| BroadcastFilter filter, boolean ordered) { |
| boolean skip = false; |
| if (filter.requiredPermission != null) { |
| int perm = checkComponentPermission(filter.requiredPermission, |
| r.callingPid, r.callingUid, -1, true); |
| if (perm != PackageManager.PERMISSION_GRANTED) { |
| Slog.w(TAG, "Permission Denial: broadcasting " |
| + r.intent.toString() |
| + " from " + r.callerPackage + " (pid=" |
| + r.callingPid + ", uid=" + r.callingUid + ")" |
| + " requires " + filter.requiredPermission |
| + " due to registered receiver " + filter); |
| skip = true; |
| } |
| } |
| if (r.requiredPermission != null) { |
| int perm = checkComponentPermission(r.requiredPermission, |
| filter.receiverList.pid, filter.receiverList.uid, -1, true); |
| if (perm != PackageManager.PERMISSION_GRANTED) { |
| Slog.w(TAG, "Permission Denial: receiving " |
| + r.intent.toString() |
| + " to " + filter.receiverList.app |
| + " (pid=" + filter.receiverList.pid |
| + ", uid=" + filter.receiverList.uid + ")" |
| + " requires " + r.requiredPermission |
| + " due to sender " + r.callerPackage |
| + " (uid " + r.callingUid + ")"); |
| skip = true; |
| } |
| } |
| |
| if (!skip) { |
| // If this is not being sent as an ordered broadcast, then we |
| // don't want to touch the fields that keep track of the current |
| // state of ordered broadcasts. |
| if (ordered) { |
| r.receiver = filter.receiverList.receiver.asBinder(); |
| r.curFilter = filter; |
| filter.receiverList.curBroadcast = r; |
| r.state = BroadcastRecord.CALL_IN_RECEIVE; |
| if (filter.receiverList.app != null) { |
| // Bump hosting application to no longer be in background |
| // scheduling class. Note that we can't do that if there |
| // isn't an app... but we can only be in that case for |
| // things that directly call the IActivityManager API, which |
| // are already core system stuff so don't matter for this. |
| r.curApp = filter.receiverList.app; |
| filter.receiverList.app.curReceiver = r; |
| updateOomAdjLocked(); |
| } |
| } |
| try { |
| if (DEBUG_BROADCAST_LIGHT) { |
| int seq = r.intent.getIntExtra("seq", -1); |
| Slog.i(TAG, "Delivering to " + filter |
| + " (seq=" + seq + "): " + r); |
| } |
| performReceiveLocked(filter.receiverList.app, filter.receiverList.receiver, |
| new Intent(r.intent), r.resultCode, |
| r.resultData, r.resultExtras, r.ordered, r.initialSticky); |
| if (ordered) { |
| r.state = BroadcastRecord.CALL_DONE_RECEIVE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure sending broadcast " + r.intent, e); |
| if (ordered) { |
| r.receiver = null; |
| r.curFilter = null; |
| filter.receiverList.curBroadcast = null; |
| if (filter.receiverList.app != null) { |
| filter.receiverList.app.curReceiver = null; |
| } |
| } |
| } |
| } |
| } |
| |
| private final void addBroadcastToHistoryLocked(BroadcastRecord r) { |
| if (r.callingUid < 0) { |
| // This was from a registerReceiver() call; ignore it. |
| return; |
| } |
| System.arraycopy(mBroadcastHistory, 0, mBroadcastHistory, 1, |
| MAX_BROADCAST_HISTORY-1); |
| r.finishTime = SystemClock.uptimeMillis(); |
| mBroadcastHistory[0] = r; |
| } |
| |
| private final void processNextBroadcast(boolean fromMsg) { |
| synchronized(this) { |
| BroadcastRecord r; |
| |
| if (DEBUG_BROADCAST) Slog.v(TAG, "processNextBroadcast: " |
| + mParallelBroadcasts.size() + " broadcasts, " |
| + mOrderedBroadcasts.size() + " ordered broadcasts"); |
| |
| updateCpuStats(); |
| |
| if (fromMsg) { |
| mBroadcastsScheduled = false; |
| } |
| |
| // First, deliver any non-serialized broadcasts right away. |
| while (mParallelBroadcasts.size() > 0) { |
| r = mParallelBroadcasts.remove(0); |
| r.dispatchTime = SystemClock.uptimeMillis(); |
| final int N = r.receivers.size(); |
| if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing parallel broadcast " |
| + r); |
| for (int i=0; i<N; i++) { |
| Object target = r.receivers.get(i); |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Delivering non-ordered to registered " |
| + target + ": " + r); |
| deliverToRegisteredReceiverLocked(r, (BroadcastFilter)target, false); |
| } |
| addBroadcastToHistoryLocked(r); |
| if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Done with parallel broadcast " |
| + r); |
| } |
| |
| // Now take care of the next serialized one... |
| |
| // If we are waiting for a process to come up to handle the next |
| // broadcast, then do nothing at this point. Just in case, we |
| // check that the process we're waiting for still exists. |
| if (mPendingBroadcast != null) { |
| if (DEBUG_BROADCAST_LIGHT) { |
| Slog.v(TAG, "processNextBroadcast: waiting for " |
| + mPendingBroadcast.curApp); |
| } |
| |
| boolean isDead; |
| synchronized (mPidsSelfLocked) { |
| isDead = (mPidsSelfLocked.get(mPendingBroadcast.curApp.pid) == null); |
| } |
| if (!isDead) { |
| // It's still alive, so keep waiting |
| return; |
| } else { |
| Slog.w(TAG, "pending app " + mPendingBroadcast.curApp |
| + " died before responding to broadcast"); |
| mPendingBroadcast.state = BroadcastRecord.IDLE; |
| mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex; |
| mPendingBroadcast = null; |
| } |
| } |
| |
| boolean looped = false; |
| |
| do { |
| if (mOrderedBroadcasts.size() == 0) { |
| // No more broadcasts pending, so all done! |
| scheduleAppGcsLocked(); |
| if (looped) { |
| // If we had finished the last ordered broadcast, then |
| // make sure all processes have correct oom and sched |
| // adjustments. |
| updateOomAdjLocked(); |
| } |
| return; |
| } |
| r = mOrderedBroadcasts.get(0); |
| boolean forceReceive = false; |
| |
| // Ensure that even if something goes awry with the timeout |
| // detection, we catch "hung" broadcasts here, discard them, |
| // and continue to make progress. |
| // |
| // This is only done if the system is ready so that PRE_BOOT_COMPLETED |
| // receivers don't get executed with timeouts. They're intended for |
| // one time heavy lifting after system upgrades and can take |
| // significant amounts of time. |
| int numReceivers = (r.receivers != null) ? r.receivers.size() : 0; |
| if (mProcessesReady && r.dispatchTime > 0) { |
| long now = SystemClock.uptimeMillis(); |
| if ((numReceivers > 0) && |
| (now > r.dispatchTime + (2*BROADCAST_TIMEOUT*numReceivers))) { |
| Slog.w(TAG, "Hung broadcast discarded after timeout failure:" |
| + " now=" + now |
| + " dispatchTime=" + r.dispatchTime |
| + " startTime=" + r.receiverTime |
| + " intent=" + r.intent |
| + " numReceivers=" + numReceivers |
| + " nextReceiver=" + r.nextReceiver |
| + " state=" + r.state); |
| broadcastTimeoutLocked(false); // forcibly finish this broadcast |
| forceReceive = true; |
| r.state = BroadcastRecord.IDLE; |
| } |
| } |
| |
| if (r.state != BroadcastRecord.IDLE) { |
| if (DEBUG_BROADCAST) Slog.d(TAG, |
| "processNextBroadcast() called when not idle (state=" |
| + r.state + ")"); |
| return; |
| } |
| |
| if (r.receivers == null || r.nextReceiver >= numReceivers |
| || r.resultAbort || forceReceive) { |
| // No more receivers for this broadcast! Send the final |
| // result if requested... |
| if (r.resultTo != null) { |
| try { |
| if (DEBUG_BROADCAST) { |
| int seq = r.intent.getIntExtra("seq", -1); |
| Slog.i(TAG, "Finishing broadcast " + r.intent.getAction() |
| + " seq=" + seq + " app=" + r.callerApp); |
| } |
| performReceiveLocked(r.callerApp, r.resultTo, |
| new Intent(r.intent), r.resultCode, |
| r.resultData, r.resultExtras, false, false); |
| // Set this to null so that the reference |
| // (local and remote) isnt kept in the mBroadcastHistory. |
| r.resultTo = null; |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure sending broadcast result of " + r.intent, e); |
| } |
| } |
| |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Cancelling BROADCAST_TIMEOUT_MSG"); |
| cancelBroadcastTimeoutLocked(); |
| |
| if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Finished with ordered broadcast " |
| + r); |
| |
| // ... and on to the next... |
| addBroadcastToHistoryLocked(r); |
| mOrderedBroadcasts.remove(0); |
| r = null; |
| looped = true; |
| continue; |
| } |
| } while (r == null); |
| |
| // Get the next receiver... |
| int recIdx = r.nextReceiver++; |
| |
| // Keep track of when this receiver started, and make sure there |
| // is a timeout message pending to kill it if need be. |
| r.receiverTime = SystemClock.uptimeMillis(); |
| if (recIdx == 0) { |
| r.dispatchTime = r.receiverTime; |
| |
| if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing ordered broadcast " |
| + r); |
| } |
| if (! mPendingBroadcastTimeoutMessage) { |
| long timeoutTime = r.receiverTime + BROADCAST_TIMEOUT; |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Submitting BROADCAST_TIMEOUT_MSG for " + r + " at " + timeoutTime); |
| setBroadcastTimeoutLocked(timeoutTime); |
| } |
| |
| Object nextReceiver = r.receivers.get(recIdx); |
| if (nextReceiver instanceof BroadcastFilter) { |
| // Simple case: this is a registered receiver who gets |
| // a direct call. |
| BroadcastFilter filter = (BroadcastFilter)nextReceiver; |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Delivering ordered to registered " |
| + filter + ": " + r); |
| deliverToRegisteredReceiverLocked(r, filter, r.ordered); |
| if (r.receiver == null || !r.ordered) { |
| // The receiver has already finished, so schedule to |
| // process the next one. |
| if (DEBUG_BROADCAST) Slog.v(TAG, "Quick finishing: ordered=" |
| + r.ordered + " receiver=" + r.receiver); |
| r.state = BroadcastRecord.IDLE; |
| scheduleBroadcastsLocked(); |
| } |
| return; |
| } |
| |
| // Hard case: need to instantiate the receiver, possibly |
| // starting its application process to host it. |
| |
| ResolveInfo info = |
| (ResolveInfo)nextReceiver; |
| |
| boolean skip = false; |
| int perm = checkComponentPermission(info.activityInfo.permission, |
| r.callingPid, r.callingUid, info.activityInfo.applicationInfo.uid, |
| info.activityInfo.exported); |
| if (perm != PackageManager.PERMISSION_GRANTED) { |
| if (!info.activityInfo.exported) { |
| Slog.w(TAG, "Permission Denial: broadcasting " |
| + r.intent.toString() |
| + " from " + r.callerPackage + " (pid=" + r.callingPid |
| + ", uid=" + r.callingUid + ")" |
| + " is not exported from uid " + info.activityInfo.applicationInfo.uid |
| + " due to receiver " + info.activityInfo.packageName |
| + "/" + info.activityInfo.name); |
| } else { |
| Slog.w(TAG, "Permission Denial: broadcasting " |
| + r.intent.toString() |
| + " from " + r.callerPackage + " (pid=" + r.callingPid |
| + ", uid=" + r.callingUid + ")" |
| + " requires " + info.activityInfo.permission |
| + " due to receiver " + info.activityInfo.packageName |
| + "/" + info.activityInfo.name); |
| } |
| skip = true; |
| } |
| if (r.callingUid != Process.SYSTEM_UID && |
| r.requiredPermission != null) { |
| try { |
| perm = AppGlobals.getPackageManager(). |
| checkPermission(r.requiredPermission, |
| info.activityInfo.applicationInfo.packageName); |
| } catch (RemoteException e) { |
| perm = PackageManager.PERMISSION_DENIED; |
| } |
| if (perm != PackageManager.PERMISSION_GRANTED) { |
| Slog.w(TAG, "Permission Denial: receiving " |
| + r.intent + " to " |
| + info.activityInfo.applicationInfo.packageName |
| + " requires " + r.requiredPermission |
| + " due to sender " + r.callerPackage |
| + " (uid " + r.callingUid + ")"); |
| skip = true; |
| } |
| } |
| if (r.curApp != null && r.curApp.crashing) { |
| // If the target process is crashing, just skip it. |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Skipping deliver ordered " + r + " to " + r.curApp |
| + ": process crashing"); |
| skip = true; |
| } |
| |
| if (skip) { |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Skipping delivery of ordered " + r + " for whatever reason"); |
| r.receiver = null; |
| r.curFilter = null; |
| r.state = BroadcastRecord.IDLE; |
| scheduleBroadcastsLocked(); |
| return; |
| } |
| |
| r.state = BroadcastRecord.APP_RECEIVE; |
| String targetProcess = info.activityInfo.processName; |
| r.curComponent = new ComponentName( |
| info.activityInfo.applicationInfo.packageName, |
| info.activityInfo.name); |
| r.curReceiver = info.activityInfo; |
| |
| // Broadcast is being executed, its package can't be stopped. |
| try { |
| AppGlobals.getPackageManager().setPackageStoppedState( |
| r.curComponent.getPackageName(), false); |
| } catch (RemoteException e) { |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Failed trying to unstop package " |
| + r.curComponent.getPackageName() + ": " + e); |
| } |
| |
| // Is this receiver's application already running? |
| ProcessRecord app = getProcessRecordLocked(targetProcess, |
| info.activityInfo.applicationInfo.uid); |
| if (app != null && app.thread != null) { |
| try { |
| processCurBroadcastLocked(r, app); |
| return; |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Exception when sending broadcast to " |
| + r.curComponent, e); |
| } |
| |
| // If a dead object exception was thrown -- fall through to |
| // restart the application. |
| } |
| |
| // Not running -- get it started, to be executed when the app comes up. |
| if (DEBUG_BROADCAST) Slog.v(TAG, |
| "Need to start app " + targetProcess + " for broadcast " + r); |
| if ((r.curApp=startProcessLocked(targetProcess, |
| info.activityInfo.applicationInfo, true, |
| r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND, |
| "broadcast", r.curComponent, |
| (r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0)) |
| == null) { |
| // Ah, this recipient is unavailable. Finish it if necessary, |
| // and mark the broadcast record as ready for the next. |
| Slog.w(TAG, "Unable to launch app " |
| + info.activityInfo.applicationInfo.packageName + "/" |
| + info.activityInfo.applicationInfo.uid + " for broadcast " |
| + r.intent + ": process is bad"); |
| logBroadcastReceiverDiscardLocked(r); |
| finishReceiverLocked(r.receiver, r.resultCode, r.resultData, |
| r.resultExtras, r.resultAbort, true); |
| scheduleBroadcastsLocked(); |
| r.state = BroadcastRecord.IDLE; |
| return; |
| } |
| |
| mPendingBroadcast = r; |
| mPendingBroadcastRecvIndex = recIdx; |
| } |
| } |
| |
| // ========================================================= |
| // INSTRUMENTATION |
| // ========================================================= |
| |
| public boolean startInstrumentation(ComponentName className, |
| String profileFile, int flags, Bundle arguments, |
| IInstrumentationWatcher watcher) { |
| // 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 = mContext.getPackageManager().getApplicationInfo( |
| ii.targetPackage, STOCK_PM_FLAGS); |
| } catch (PackageManager.NameNotFoundException 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(); |
| forceStopPackageLocked(ii.targetPackage, -1, true, false, true); |
| ProcessRecord app = addAppLocked(ai); |
| app.instrumentationClass = className; |
| app.instrumentationInfo = ai; |
| app.instrumentationProfileFile = profileFile; |
| app.instrumentationArguments = arguments; |
| app.instrumentationWatcher = watcher; |
| 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) { |
| } |
| } |
| app.instrumentationWatcher = null; |
| app.instrumentationClass = null; |
| app.instrumentationInfo = null; |
| app.instrumentationProfileFile = null; |
| app.instrumentationArguments = null; |
| |
| forceStopPackageLocked(app.processName, -1, false, false, true); |
| } |
| |
| public void finishInstrumentation(IApplicationThread target, |
| int resultCode, Bundle results) { |
| // 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; |
| } |
| |
| public Configuration getConfiguration() { |
| Configuration ci; |
| synchronized(this) { |
| ci = new Configuration(mConfiguration); |
| } |
| return ci; |
| } |
| |
| 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(); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| updateConfigurationLocked(values, null); |
| 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. |
| */ |
| public boolean updateConfigurationLocked(Configuration values, |
| ActivityRecord starting) { |
| int changes = 0; |
| |
| boolean kept = true; |
| |
| 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) { |
| 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 changed: " + newConfig); |
| |
| AttributeCache ac = AttributeCache.instance(); |
| if (ac != null) { |
| ac.updateConfiguration(mConfiguration); |
| } |
| |
| // 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(newConfig); |
| |
| if (Settings.System.hasInterestingConfigurationChanges(changes)) { |
| Message msg = mHandler.obtainMessage(UPDATE_CONFIGURATION_MSG); |
| msg.obj = new Configuration(mConfiguration); |
| 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(mConfiguration); |
| } |
| } catch (Exception e) { |
| } |
| } |
| Intent intent = new Intent(Intent.ACTION_CONFIGURATION_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
| | Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| broadcastIntentLocked(null, null, intent, null, null, 0, null, null, |
| null, false, false, MY_PID, Process.SYSTEM_UID); |
| if ((changes&ActivityInfo.CONFIG_LOCALE) != 0) { |
| broadcastIntentLocked(null, null, |
| new Intent(Intent.ACTION_LOCALE_CHANGED), |
| null, null, 0, null, null, |
| null, false, false, MY_PID, Process.SYSTEM_UID); |
| } |
| } |
| } |
| |
| 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 = mMainStack.topRunningActivityLocked(null); |
| } |
| |
| if (starting != null) { |
| kept = mMainStack.ensureActivityConfigurationLocked(starting, changes); |
| // And we need to make sure at this point that all other activities |
| // are made visible with the correct configuration. |
| mMainStack.ensureActivitiesVisibleLocked(starting, changes); |
| } |
| |
| if (values != null && mWindowManager != null) { |
| mWindowManager.setNewConfiguration(mConfiguration); |
| } |
| |
| return kept; |
| } |
| |
| /** |
| * 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()); |
| } |
| } |
| |
| // ========================================================= |
| // LIFETIME MANAGEMENT |
| // ========================================================= |
| |
| private final int computeOomAdjLocked(ProcessRecord app, int hiddenAdj, |
| ProcessRecord TOP_APP, boolean recursed) { |
| 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) { |
| app.curAdj = hiddenAdj; |
| } |
| return app.curAdj; |
| } |
| |
| if (app.thread == null) { |
| app.adjSeq = mAdjSeq; |
| app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| return (app.curAdj=EMPTY_APP_ADJ); |
| } |
| |
| if (app.maxAdj <= 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.maxAdj; |
| app.keeping = true; |
| app.curSchedGroup = Process.THREAD_GROUP_DEFAULT; |
| return (app.curAdj=app.maxAdj); |
| } |
| |
| final boolean hadForegroundActivities = app.foregroundActivities; |
| |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN; |
| app.adjSource = null; |
| app.adjTarget = null; |
| app.keeping = false; |
| app.empty = false; |
| app.hidden = false; |
| app.foregroundActivities = false; |
| |
| final int activitiesSize = app.activities.size(); |
| |
| // Determine the importance of the process, starting with most |
| // important to least, and assign an appropriate OOM adjustment. |
| int adj; |
| int schedGroup; |
| if (app == TOP_APP) { |
| // The last app on the list is the foreground app. |
| adj = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "top-activity"; |
| app.foregroundActivities = true; |
| } else if (app.instrumentationClass != null) { |
| // Don't want to kill running instrumentation. |
| adj = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "instrumentation"; |
| } else if (app.curReceiver != null || |
| (mPendingBroadcast != null && mPendingBroadcast.curApp == app)) { |
| // An app that is currently receiving a broadcast also |
| // counts as being in the foreground. |
| adj = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| 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 = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.adjType = "exec-service"; |
| } else if (activitiesSize > 0) { |
| // This app is in the background with paused activities. |
| // We inspect activities to potentially upgrade adjustment further below. |
| adj = hiddenAdj; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = true; |
| app.adjType = "bg-activities"; |
| } else { |
| // A very not-needed process. If this is lower in the lru list, |
| // we will push it in to the empty bucket. |
| adj = hiddenAdj; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.hidden = true; |
| app.empty = true; |
| app.adjType = "bg-empty"; |
| } |
| |
| // Examine all activities if not already foreground. |
| if (!app.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 > VISIBLE_APP_ADJ) { |
| adj = VISIBLE_APP_ADJ; |
| app.adjType = "visible"; |
| } |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.hidden = false; |
| app.foregroundActivities = true; |
| break; |
| } else if (r.state == ActivityState.PAUSING || r.state == ActivityState.PAUSED |
| || r.state == ActivityState.STOPPING) { |
| // Only upgrade adjustment. |
| if (adj > PERCEPTIBLE_APP_ADJ) { |
| adj = PERCEPTIBLE_APP_ADJ; |
| app.adjType = "stopping"; |
| } |
| app.foregroundActivities = true; |
| } |
| } |
| } |
| |
| if (adj > PERCEPTIBLE_APP_ADJ) { |
| if (app.foregroundServices) { |
| // The user is aware of this app, so make it visible. |
| adj = PERCEPTIBLE_APP_ADJ; |
| app.adjType = "foreground-service"; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } else if (app.forcingToForeground != null) { |
| // The user is aware of this app, so make it visible. |
| adj = PERCEPTIBLE_APP_ADJ; |
| app.adjType = "force-foreground"; |
| app.adjSource = app.forcingToForeground; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| |
| if (adj > HEAVY_WEIGHT_APP_ADJ && app == mHeavyWeightProcess) { |
| // We don't want to kill the current heavy-weight process. |
| adj = HEAVY_WEIGHT_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.adjType = "heavy"; |
| } |
| |
| if (adj > 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 = HOME_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE; |
| app.adjType = "home"; |
| } |
| |
| //Slog.i(TAG, "OOM " + app + ": initial adj=" + adj); |
| |
| // 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 = adj; |
| |
| if (mBackupTarget != null && app == mBackupTarget.app) { |
| // If possible we want to avoid killing apps while they're being backed up |
| if (adj > BACKUP_APP_ADJ) { |
| if (DEBUG_BACKUP) Slog.v(TAG, "oom BACKUP_APP_ADJ for " + app); |
| adj = BACKUP_APP_ADJ; |
| app.adjType = "backup"; |
| app.hidden = false; |
| } |
| } |
| |
| if (app.services.size() != 0 && (adj > 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 > FOREGROUND_APP_ADJ) { |
| ServiceRecord s = jt.next(); |
| if (s.startRequested) { |
| if (now < (s.lastActivity+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 > SECONDARY_SERVER_ADJ) { |
| adj = SECONDARY_SERVER_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 > SECONDARY_SERVER_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 > FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| Iterator<ArrayList<ConnectionRecord>> kt |
| = s.connections.values().iterator(); |
| while (kt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| ArrayList<ConnectionRecord> clist = kt.next(); |
| for (int i=0; i<clist.size() && adj > 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_AUTO_CREATE) != 0) { |
| ProcessRecord client = cr.binding.client; |
| int myHiddenAdj = hiddenAdj; |
| if (myHiddenAdj > client.hiddenAdj) { |
| if (client.hiddenAdj >= VISIBLE_APP_ADJ) { |
| myHiddenAdj = client.hiddenAdj; |
| } else { |
| myHiddenAdj = VISIBLE_APP_ADJ; |
| } |
| } |
| int clientAdj = computeOomAdjLocked( |
| client, myHiddenAdj, TOP_APP, true); |
| if (adj > clientAdj) { |
| adj = clientAdj >= VISIBLE_APP_ADJ |
| ? clientAdj : VISIBLE_APP_ADJ; |
| if (!client.hidden) { |
| app.hidden = false; |
| } |
| if (client.keeping) { |
| app.keeping = true; |
| } |
| app.adjType = "service"; |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_SERVICE_IN_USE; |
| app.adjSource = cr.binding.client; |
| app.adjTarget = s.name; |
| } |
| if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) { |
| if (client.curSchedGroup == Process.THREAD_GROUP_DEFAULT) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| } |
| ActivityRecord a = cr.activity; |
| //if (a != null) { |
| // Slog.i(TAG, "Connection to " + a ": state=" + a.state); |
| //} |
| if (a != null && adj > FOREGROUND_APP_ADJ && |
| (a.state == ActivityState.RESUMED |
| || a.state == ActivityState.PAUSING)) { |
| adj = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.hidden = false; |
| app.adjType = "service"; |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_SERVICE_IN_USE; |
| app.adjSource = a; |
| 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 > FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| Iterator<ContentProviderRecord> jt = app.pubProviders.values().iterator(); |
| while (jt.hasNext() && (adj > FOREGROUND_APP_ADJ |
| || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE)) { |
| ContentProviderRecord cpr = jt.next(); |
| if (cpr.clients.size() != 0) { |
| Iterator<ProcessRecord> kt = cpr.clients.iterator(); |
| while (kt.hasNext() && adj > FOREGROUND_APP_ADJ) { |
| ProcessRecord client = kt.next(); |
| if (client == app) { |
| // Being our own client is not interesting. |
| continue; |
| } |
| int myHiddenAdj = hiddenAdj; |
| if (myHiddenAdj > client.hiddenAdj) { |
| if (client.hiddenAdj > FOREGROUND_APP_ADJ) { |
| myHiddenAdj = client.hiddenAdj; |
| } else { |
| myHiddenAdj = FOREGROUND_APP_ADJ; |
| } |
| } |
| int clientAdj = computeOomAdjLocked( |
| client, myHiddenAdj, TOP_APP, true); |
| if (adj > clientAdj) { |
| adj = clientAdj > FOREGROUND_APP_ADJ |
| ? clientAdj : FOREGROUND_APP_ADJ; |
| if (!client.hidden) { |
| app.hidden = false; |
| } |
| if (client.keeping) { |
| app.keeping = true; |
| } |
| app.adjType = "provider"; |
| app.adjTypeCode = ActivityManager.RunningAppProcessInfo |
| .REASON_PROVIDER_IN_USE; |
| app.adjSource = client; |
| 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.externals != 0) { |
| if (adj > FOREGROUND_APP_ADJ) { |
| adj = FOREGROUND_APP_ADJ; |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| app.hidden = false; |
| app.keeping = true; |
| app.adjType = "provider"; |
| app.adjTarget = cpr.name; |
| } |
| } |
| } |
| } |
| |
| 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 <= PERCEPTIBLE_APP_ADJ) { |
| schedGroup = Process.THREAD_GROUP_DEFAULT; |
| } |
| } |
| if (adj < HIDDEN_APP_MIN_ADJ) { |
| app.keeping = true; |
| } |
| |
| app.curAdj = adj; |
| app.curSchedGroup = schedGroup; |
| |
| if (hadForegroundActivities != app.foregroundActivities) { |
| mHandler.obtainMessage(DISPATCH_FOREGROUND_ACTIVITIES_CHANGED, app.pid, app.info.uid, |
| app.foregroundActivities).sendToTarget(); |
| } |
| |
| return adj; |
| } |
| |
| /** |
| * 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() { |
| return mParallelBroadcasts.size() == 0 |
| && mOrderedBroadcasts.size() == 0 |
| && (mSleeping || (mMainStack.mResumedActivity != null && |
| mMainStack.mResumedActivity.idle)); |
| } |
| |
| /** |
| * 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 > 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 = mProcessesToGc.get(0).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 pad. 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.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.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, ProcessRecord TOP_APP) { |
| app.hiddenAdj = hiddenAdj; |
| |
| if (app.thread == null) { |
| return true; |
| } |
| |
| boolean success = true; |
| |
| final boolean wasKeeping = app.keeping; |
| |
| int adj = computeOomAdjLocked(app, hiddenAdj, TOP_APP, false); |
| |
| if ((app.pid != 0 && app.pid != MY_PID) || Process.supportsProcesses()) { |
| if (app.curRawAdj != app.setRawAdj) { |
| if (app.curRawAdj > FOREGROUND_APP_ADJ |
| && app.setRawAdj <= FOREGROUND_APP_ADJ) { |
| // If this app is transitioning from foreground to |
| // non-foreground, have it do a gc. |
| scheduleAppGcLocked(app); |
| } else if (app.curRawAdj >= HIDDEN_APP_MIN_ADJ |
| && app.setRawAdj < HIDDEN_APP_MIN_ADJ) { |
| // Likewise do a gc when an app is moving in to the |
| // background (such as a service stopping). |
| scheduleAppGcLocked(app); |
| } |
| |
| 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 (adj != app.setAdj) { |
| if (Process.setOomAdj(app.pid, adj)) { |
| if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v( |
| TAG, "Set app " + app.processName + |
| " oom adj to " + adj); |
| app.setAdj = adj; |
| } else { |
| success = false; |
| } |
| } |
| 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 + ": " + app.waitingToKill); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.pid, |
| app.processName, app.setAdj, app.waitingToKill); |
| Process.killProcessQuiet(app.pid); |
| } 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); |
| } |
| } |
| if (false) { |
| if (app.thread != null) { |
| try { |
| app.thread.setSchedulingGroup(app.curSchedGroup); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| return success; |
| } |
| |
| private final ActivityRecord resumedAppLocked() { |
| ActivityRecord resumedActivity = mMainStack.mResumedActivity; |
| if (resumedActivity == null || resumedActivity.app == null) { |
| resumedActivity = mMainStack.mPausingActivity; |
| if (resumedActivity == null || resumedActivity.app == null) { |
| resumedActivity = mMainStack.topRunningActivityLocked(null); |
| } |
| } |
| return resumedActivity; |
| } |
| |
| private 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 = app.curAdj >= HIDDEN_APP_MIN_ADJ |
| && app.curAdj <= HIDDEN_APP_MAX_ADJ; |
| |
| mAdjSeq++; |
| |
| final boolean res = updateOomAdjLocked(app, app.hiddenAdj, TOP_APP); |
| if (res) { |
| final boolean nowHidden = app.curAdj >= HIDDEN_APP_MIN_ADJ |
| && app.curAdj <= 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 res; |
| } |
| |
| final boolean updateOomAdjLocked() { |
| boolean didOomAdj = true; |
| final ActivityRecord TOP_ACT = resumedAppLocked(); |
| final ProcessRecord TOP_APP = TOP_ACT != null ? TOP_ACT.app : null; |
| |
| if (false) { |
| RuntimeException e = new RuntimeException(); |
| e.fillInStackTrace(); |
| Slog.i(TAG, "updateOomAdj: top=" + TOP_ACT, e); |
| } |
| |
| mAdjSeq++; |
| |
| // 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 = HIDDEN_APP_MAX_ADJ - HIDDEN_APP_MIN_ADJ + 1; |
| int factor = (mLruProcesses.size()-4)/numSlots; |
| if (factor < 1) factor = 1; |
| int step = 0; |
| int numHidden = 0; |
| |
| // First try updating the OOM adjustment for each of the |
| // application processes based on their current state. |
| int i = mLruProcesses.size(); |
| int curHiddenAdj = HIDDEN_APP_MIN_ADJ; |
| while (i > 0) { |
| i--; |
| ProcessRecord app = mLruProcesses.get(i); |
| //Slog.i(TAG, "OOM " + app + ": cur hidden=" + curHiddenAdj); |
| if (updateOomAdjLocked(app, curHiddenAdj, TOP_APP)) { |
| if (curHiddenAdj < EMPTY_APP_ADJ |
| && app.curAdj == curHiddenAdj) { |
| step++; |
| if (step >= factor) { |
| step = 0; |
| curHiddenAdj++; |
| } |
| } |
| if (app.curAdj >= HIDDEN_APP_MIN_ADJ) { |
| if (!app.killedBackground) { |
| numHidden++; |
| if (numHidden > MAX_HIDDEN_APPS) { |
| Slog.i(TAG, "No longer want " + app.processName |
| + " (pid " + app.pid + "): hidden #" + numHidden); |
| EventLog.writeEvent(EventLogTags.AM_KILL, app.pid, |
| app.processName, app.setAdj, "too many background"); |
| app.killedBackground = true; |
| Process.killProcessQuiet(app.pid); |
| } |
| } |
| } |
| } else { |
| didOomAdj = false; |
| } |
| } |
| |
| // If we return false, we will fall back on killing processes to |
| // have a fixed limit. Do this if a limit has been requested; else |
| // only return false if one of the adjustments failed. |
| return ENFORCE_PROCESS_LIMIT || mProcessLimit > 0 ? false : didOomAdj; |
| } |
| |
| 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.pid, |
| app.processName, app.setAdj, "empty"); |
| Process.killProcessQuiet(app.pid); |
| } else { |
| try { |
| app.thread.scheduleExit(); |
| } catch (Exception e) { |
| // Ignore exceptions. |
| } |
| } |
| cleanUpApplicationRecordLocked(app, false, -1); |
| mRemovedProcesses.remove(i); |
| |
| if (app.persistent) { |
| if (app.persistent) { |
| addAppLocked(app.info); |
| } |
| } |
| } |
| } |
| |
| // Now try updating the OOM adjustment for each of the |
| // application processes based on their current state. |
| // If the setOomAdj() API is not supported, then go with our |
| // back-up plan... |
| if (!updateOomAdjLocked()) { |
| |
| // Count how many processes are running services. |
| int numServiceProcs = 0; |
| for (i=mLruProcesses.size()-1; i>=0; i--) { |
| final ProcessRecord app = mLruProcesses.get(i); |
| |
| if (app.persistent || app.services.size() != 0 |
| || app.curReceiver != null) { |
| // Don't count processes holding services against our |
| // maximum process count. |
| if (localLOGV) Slog.v( |
| TAG, "Not trimming app " + app + " with services: " |
| + app.services); |
| numServiceProcs++; |
| } |
| } |
| |
| int curMaxProcs = mProcessLimit; |
| if (curMaxProcs <= 0) curMaxProcs = MAX_PROCESSES; |
| if (mAlwaysFinishActivities) { |
| curMaxProcs = 1; |
| } |
| curMaxProcs += numServiceProcs; |
| |
| // Quit as many processes as we can to get down to the desired |
| // process count. First remove any processes that no longer |
| // have activites running in them. |
| for ( i=0; |
| i<mLruProcesses.size() |
| && mLruProcesses.size() > curMaxProcs; |
| i++) { |
| final ProcessRecord app = mLruProcesses.get(i); |
| // Quit an application only if it is not currently |
| // running any activities. |
| if (!app.persistent && 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.pid, |
| app.processName, app.setAdj, "empty"); |
| Process.killProcessQuiet(app.pid); |
| } else { |
| try { |
| app.thread.scheduleExit(); |
| } catch (Exception e) { |
| // Ignore exceptions. |
| } |
| } |
| // todo: For now we assume the application is not buggy |
| // or evil, and will quit as a result of our request. |
| // Eventually we need to drive this off of the death |
| // notification, and kill the process if it takes too long. |
| cleanUpApplicationRecordLocked(app, false, i); |
| i--; |
| } |
| } |
| |
| // If we still have too many processes, now from the least |
| // recently used process we start finishing activities. |
| if (false) Slog.v( |
| TAG, "*** NOW HAVE " + mLruProcesses.size() + |
| " of " + curMaxProcs + " processes"); |
| for ( i=0; |
| i<mLruProcesses.size() |
| && mLruProcesses.size() > curMaxProcs; |
| i++) { |
| final ProcessRecord app = mLruProcesses.get(i); |
| // Quit the application only if we have a state saved for |
| // all of its activities. |
| boolean canQuit = !app.persistent && app.curReceiver == null |
| && app.services.size() == 0; |
| int NUMA = app.activities.size(); |
| int j; |
| if (false) Slog.v( |
| TAG, "Looking to quit " + app.processName); |
| for (j=0; j<NUMA && canQuit; j++) { |
| ActivityRecord r = app.activities.get(j); |
| if (false) Slog.v( |
| TAG, " " + r.intent.getComponent().flattenToShortString() |
| + ": frozen=" + r.haveState + ", visible=" + r.visible); |
| canQuit = (r.haveState || !r.stateNotNeeded) |
| && !r.visible && r.stopped; |
| } |
| if (canQuit) { |
| // Finish all of the activities, and then the app itself. |
| for (j=0; j<NUMA; j++) { |
| ActivityRecord r = app.activities.get(j); |
| if (!r.finishing) { |
| r.stack.destroyActivityLocked(r, false); |
| } |
| r.resultTo = null; |
| } |
| Slog.i(TAG, "Exiting 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.pid, |
| app.processName, app.setAdj, "old background"); |
| Process.killProcessQuiet(app.pid); |
| } else { |
| try { |
| app.thread.scheduleExit(); |
| } catch (Exception e) { |
| // Ignore exceptions. |
| } |
| } |
| // todo: For now we assume the application is not buggy |
| // or evil, and will quit as a result of our request. |
| // Eventually we need to drive this off of the death |
| // notification, and kill the process if it takes too long. |
| cleanUpApplicationRecordLocked(app, false, i); |
| i--; |
| //dump(); |
| } |
| } |
| |
| } |
| |
| int curMaxActivities = MAX_ACTIVITIES; |
| if (mAlwaysFinishActivities) { |
| curMaxActivities = 1; |
| } |
| |
| // Finally, if there are too many activities now running, try to |
| // finish as many as we can to get back down to the limit. |
| for ( i=0; |
| i<mMainStack.mLRUActivities.size() |
| && mMainStack.mLRUActivities.size() > curMaxActivities; |
| i++) { |
| final ActivityRecord r |
| = (ActivityRecord)mMainStack.mLRUActivities.get(i); |
| |
| // We can finish this one if we have its icicle saved and |
| // it is not persistent. |
| if ((r.haveState || !r.stateNotNeeded) && !r.visible |
| && r.stopped && !r.finishing) { |
| final int origSize = mMainStack.mLRUActivities.size(); |
| r.stack.destroyActivityLocked(r, true); |
| |
| // This will remove it from the LRU list, so keep |
| // our index at the same value. Note that this check to |
| // see if the size changes is just paranoia -- if |
| // something unexpected happens, we don't want to end up |
| // in an infinite loop. |
| if (origSize > mMainStack.mLRUActivities.size()) { |
| i--; |
| } |
| } |
| } |
| } |
| } |
| |
| /** 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); |
| } |
| } |
| } |
| } |
| |
| public boolean profileControl(String process, boolean start, |
| String path, ParcelFileDescriptor fd) 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; |
| 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 (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.profilerControl(start, path, fd); |
| fd = null; |
| return true; |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Process disappeared"); |
| } finally { |
| if (fd != null) { |
| try { |
| fd.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |
| |
| public boolean dumpHeap(String process, 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 = 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 (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) { } |
| } |
| |
| public 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 |
| |
| public boolean switchUser(int userid) { |
| // TODO |
| return true; |
| } |
| } |