The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_util_Process.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #define LOG_TAG "Process" |
| 19 | |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 20 | // To make sure cpu_set_t is included from sched.h |
| 21 | #define _GNU_SOURCE 1 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include <utils/Log.h> |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 23 | #include <binder/IPCThreadState.h> |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 24 | #include <binder/IServiceManager.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | #include <utils/String8.h> |
| 26 | #include <utils/Vector.h> |
Sandeep Patil | fcd4a4a | 2019-01-12 22:42:05 -0800 | [diff] [blame] | 27 | #include <meminfo/procmeminfo.h> |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 28 | #include <meminfo/sysmeminfo.h> |
Colin Cross | 0769e55 | 2014-06-03 13:25:35 -0700 | [diff] [blame] | 29 | #include <processgroup/processgroup.h> |
Suren Baghdasaryan | e443326 | 2019-01-04 12:16:57 -0800 | [diff] [blame] | 30 | #include <processgroup/sched_policy.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 32 | #include <string> |
| 33 | #include <vector> |
| 34 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 35 | #include "core_jni_helpers.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | |
| 37 | #include "android_util_Binder.h" |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 38 | #include <nativehelper/JNIHelp.h> |
Daniel Colascione | 6c51810 | 2017-07-27 03:33:34 -0700 | [diff] [blame] | 39 | #include "android_os_Debug.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | #include <dirent.h> |
| 42 | #include <fcntl.h> |
| 43 | #include <grp.h> |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 44 | #include <inttypes.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | #include <pwd.h> |
| 46 | #include <signal.h> |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 47 | #include <string.h> |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 48 | #include <sys/errno.h> |
| 49 | #include <sys/resource.h> |
| 50 | #include <sys/stat.h> |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 51 | #include <sys/sysinfo.h> |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 52 | #include <sys/types.h> |
Glenn Kasten | 6af763b | 2011-05-04 17:58:57 -0700 | [diff] [blame] | 53 | #include <unistd.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 55 | #define GUARD_THREAD_PRIORITY 0 |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 56 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | using namespace android; |
| 58 | |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 59 | static const bool kDebugPolicy = false; |
| 60 | static const bool kDebugProc = false; |
Misha Wagner | cc065fb | 2018-10-15 10:45:44 +0100 | [diff] [blame] | 61 | // When reading `proc` files, how many bytes to read at a time |
| 62 | static const int kReadSize = 4096; |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 63 | |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 64 | #if GUARD_THREAD_PRIORITY |
| 65 | Mutex gKeyCreateMutex; |
| 66 | static pthread_key_t gBgKey = -1; |
| 67 | #endif |
| 68 | |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 69 | // For both of these, err should be in the errno range (positive), not a status_t (negative) |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 70 | static void signalExceptionForError(JNIEnv* env, int err, int tid) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 71 | switch (err) { |
| 72 | case EINVAL: |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 73 | jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", |
| 74 | "Invalid argument: %d", tid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 75 | break; |
| 76 | case ESRCH: |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 77 | jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", |
| 78 | "Given thread %d does not exist", tid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 79 | break; |
| 80 | case EPERM: |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 81 | jniThrowExceptionFmt(env, "java/lang/SecurityException", |
| 82 | "No permission to modify given thread %d", tid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | break; |
| 84 | default: |
| 85 | jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); |
| 86 | break; |
| 87 | } |
| 88 | } |
| 89 | |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 90 | static void signalExceptionForPriorityError(JNIEnv* env, int err, int tid) { |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 91 | switch (err) { |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 92 | case EACCES: |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 93 | jniThrowExceptionFmt(env, "java/lang/SecurityException", |
| 94 | "No permission to set the priority of %d", tid); |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 95 | break; |
| 96 | default: |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 97 | signalExceptionForError(env, err, tid); |
| 98 | break; |
| 99 | } |
| 100 | |
| 101 | } |
| 102 | |
| 103 | static void signalExceptionForGroupError(JNIEnv* env, int err, int tid) { |
| 104 | switch (err) { |
| 105 | case EACCES: |
| 106 | jniThrowExceptionFmt(env, "java/lang/SecurityException", |
| 107 | "No permission to set the group of %d", tid); |
| 108 | break; |
| 109 | default: |
| 110 | signalExceptionForError(env, err, tid); |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 111 | break; |
| 112 | } |
| 113 | } |
| 114 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 115 | jint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) |
| 116 | { |
| 117 | if (name == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 118 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 119 | return -1; |
| 120 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 121 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 122 | const jchar* str16 = env->GetStringCritical(name, 0); |
| 123 | String8 name8; |
| 124 | if (str16) { |
Dan Albert | 6698749 | 2014-11-20 11:41:21 -0800 | [diff] [blame] | 125 | name8 = String8(reinterpret_cast<const char16_t*>(str16), |
| 126 | env->GetStringLength(name)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 127 | env->ReleaseStringCritical(name, str16); |
| 128 | } |
| 129 | |
| 130 | const size_t N = name8.size(); |
| 131 | if (N > 0) { |
| 132 | const char* str = name8.string(); |
| 133 | for (size_t i=0; i<N; i++) { |
| 134 | if (str[i] < '0' || str[i] > '9') { |
| 135 | struct passwd* pwd = getpwnam(str); |
| 136 | if (pwd == NULL) { |
| 137 | return -1; |
| 138 | } |
| 139 | return pwd->pw_uid; |
| 140 | } |
| 141 | } |
| 142 | return atoi(str); |
| 143 | } |
| 144 | return -1; |
| 145 | } |
| 146 | |
| 147 | jint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) |
| 148 | { |
| 149 | if (name == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 150 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 151 | return -1; |
| 152 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 153 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 154 | const jchar* str16 = env->GetStringCritical(name, 0); |
| 155 | String8 name8; |
| 156 | if (str16) { |
Dan Albert | 6698749 | 2014-11-20 11:41:21 -0800 | [diff] [blame] | 157 | name8 = String8(reinterpret_cast<const char16_t*>(str16), |
| 158 | env->GetStringLength(name)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | env->ReleaseStringCritical(name, str16); |
| 160 | } |
| 161 | |
| 162 | const size_t N = name8.size(); |
| 163 | if (N > 0) { |
| 164 | const char* str = name8.string(); |
| 165 | for (size_t i=0; i<N; i++) { |
| 166 | if (str[i] < '0' || str[i] > '9') { |
| 167 | struct group* grp = getgrnam(str); |
| 168 | if (grp == NULL) { |
| 169 | return -1; |
| 170 | } |
| 171 | return grp->gr_gid; |
| 172 | } |
| 173 | } |
| 174 | return atoi(str); |
| 175 | } |
| 176 | return -1; |
| 177 | } |
| 178 | |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 179 | void android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 180 | { |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 181 | ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 182 | SchedPolicy sp = (SchedPolicy) grp; |
| 183 | int res = set_sched_policy(tid, sp); |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 184 | if (res != NO_ERROR) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 185 | signalExceptionForGroupError(env, -res, tid); |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 186 | } |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 187 | } |
| 188 | |
Joel Fernandes | 474d311 | 2017-04-04 16:32:15 -0700 | [diff] [blame] | 189 | void android_os_Process_setThreadGroupAndCpuset(JNIEnv* env, jobject clazz, int tid, jint grp) |
| 190 | { |
| 191 | ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); |
| 192 | SchedPolicy sp = (SchedPolicy) grp; |
| 193 | int res = set_sched_policy(tid, sp); |
| 194 | |
| 195 | if (res != NO_ERROR) { |
| 196 | signalExceptionForGroupError(env, -res, tid); |
| 197 | } |
| 198 | |
| 199 | res = set_cpuset_policy(tid, sp); |
| 200 | if (res != NO_ERROR) { |
| 201 | signalExceptionForGroupError(env, -res, tid); |
| 202 | } |
| 203 | } |
| 204 | |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 205 | void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 206 | { |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 207 | ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 208 | DIR *d; |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 209 | char proc_path[255]; |
| 210 | struct dirent *de; |
| 211 | |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 212 | if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 213 | signalExceptionForGroupError(env, EINVAL, pid); |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 214 | return; |
| 215 | } |
| 216 | |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 217 | bool isDefault = false; |
| 218 | if (grp < 0) { |
| 219 | grp = SP_FOREGROUND; |
| 220 | isDefault = true; |
| 221 | } |
| 222 | SchedPolicy sp = (SchedPolicy) grp; |
| 223 | |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 224 | if (kDebugPolicy) { |
| 225 | char cmdline[32]; |
| 226 | int fd; |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 227 | |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 228 | strcpy(cmdline, "unknown"); |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 229 | |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 230 | sprintf(proc_path, "/proc/%d/cmdline", pid); |
Nick Kralevich | 422dd00f | 2017-10-19 17:51:50 -0700 | [diff] [blame] | 231 | fd = open(proc_path, O_RDONLY | O_CLOEXEC); |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 232 | if (fd >= 0) { |
| 233 | int rc = read(fd, cmdline, sizeof(cmdline)-1); |
| 234 | cmdline[rc] = 0; |
| 235 | close(fd); |
| 236 | } |
| 237 | |
| 238 | if (sp == SP_BACKGROUND) { |
| 239 | ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); |
| 240 | } else { |
| 241 | ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); |
| 242 | } |
San Mehat | a5109a8 | 2009-10-29 11:48:50 -0700 | [diff] [blame] | 243 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 244 | |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 245 | sprintf(proc_path, "/proc/%d/task", pid); |
| 246 | if (!(d = opendir(proc_path))) { |
San Mehat | 1fd0ec7 | 2009-06-15 16:56:52 -0700 | [diff] [blame] | 247 | // If the process exited on us, don't generate an exception |
| 248 | if (errno != ENOENT) |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 249 | signalExceptionForGroupError(env, errno, pid); |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 250 | return; |
| 251 | } |
| 252 | |
| 253 | while ((de = readdir(d))) { |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 254 | int t_pid; |
| 255 | int t_pri; |
| 256 | |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 257 | if (de->d_name[0] == '.') |
| 258 | continue; |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 259 | t_pid = atoi(de->d_name); |
San Mehat | 1fd0ec7 | 2009-06-15 16:56:52 -0700 | [diff] [blame] | 260 | |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 261 | if (!t_pid) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 262 | ALOGE("Error getting pid for '%s'\n", de->d_name); |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 263 | continue; |
| 264 | } |
| 265 | |
Glenn Kasten | 07b0465 | 2012-04-23 15:00:43 -0700 | [diff] [blame] | 266 | t_pri = getpriority(PRIO_PROCESS, t_pid); |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 267 | |
Glenn Kasten | 07b0465 | 2012-04-23 15:00:43 -0700 | [diff] [blame] | 268 | if (t_pri <= ANDROID_PRIORITY_AUDIO) { |
Tim Murray | 20375fe | 2016-12-20 11:47:24 -0800 | [diff] [blame] | 269 | int scheduler = sched_getscheduler(t_pid) & ~SCHED_RESET_ON_FORK; |
Glenn Kasten | 07b0465 | 2012-04-23 15:00:43 -0700 | [diff] [blame] | 270 | if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 271 | // This task wants to stay in its current audio group so it can keep its budget |
| 272 | // don't update its cpuset or cgroup |
Glenn Kasten | 07b0465 | 2012-04-23 15:00:43 -0700 | [diff] [blame] | 273 | continue; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | if (isDefault) { |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 278 | if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { |
| 279 | // This task wants to stay at background |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 280 | // update its cpuset so it doesn't only run on bg core(s) |
Isaac Chen | d34fac5 | 2017-02-16 11:51:08 +0800 | [diff] [blame] | 281 | if (cpusets_enabled()) { |
| 282 | int err = set_cpuset_policy(t_pid, sp); |
| 283 | if (err != NO_ERROR) { |
| 284 | signalExceptionForGroupError(env, -err, t_pid); |
| 285 | break; |
| 286 | } |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 287 | } |
Glenn Kasten | f1b5644 | 2012-03-15 16:33:43 -0700 | [diff] [blame] | 288 | continue; |
| 289 | } |
San Mehat | 7e63789 | 2009-08-06 13:19:19 -0700 | [diff] [blame] | 290 | } |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 291 | int err; |
Isaac Chen | d34fac5 | 2017-02-16 11:51:08 +0800 | [diff] [blame] | 292 | |
| 293 | if (cpusets_enabled()) { |
| 294 | // set both cpuset and cgroup for general threads |
| 295 | err = set_cpuset_policy(t_pid, sp); |
| 296 | if (err != NO_ERROR) { |
| 297 | signalExceptionForGroupError(env, -err, t_pid); |
| 298 | break; |
| 299 | } |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 300 | } |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 301 | |
| 302 | err = set_sched_policy(t_pid, sp); |
| 303 | if (err != NO_ERROR) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 304 | signalExceptionForGroupError(env, -err, t_pid); |
Tim Murray | 9e41c74 | 2015-06-08 14:56:53 -0700 | [diff] [blame] | 305 | break; |
| 306 | } |
| 307 | |
San Mehat | 3e45824 | 2009-05-19 14:44:16 -0700 | [diff] [blame] | 308 | } |
| 309 | closedir(d); |
| 310 | } |
| 311 | |
Jeff Sharkey | 9e57c41 | 2013-01-17 14:12:41 -0800 | [diff] [blame] | 312 | jint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) |
| 313 | { |
| 314 | SchedPolicy sp; |
| 315 | if (get_sched_policy(pid, &sp) != 0) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 316 | signalExceptionForGroupError(env, errno, pid); |
Jeff Sharkey | 9e57c41 | 2013-01-17 14:12:41 -0800 | [diff] [blame] | 317 | } |
| 318 | return (int) sp; |
| 319 | } |
| 320 | |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 321 | /** Sample CPUset list format: |
| 322 | * 0-3,4,6-8 |
| 323 | */ |
| 324 | static void parse_cpuset_cpus(char *cpus, cpu_set_t *cpu_set) { |
| 325 | unsigned int start, end, matched, i; |
| 326 | char *cpu_range = strtok(cpus, ","); |
| 327 | while (cpu_range != NULL) { |
| 328 | start = end = 0; |
| 329 | matched = sscanf(cpu_range, "%u-%u", &start, &end); |
| 330 | cpu_range = strtok(NULL, ","); |
| 331 | if (start >= CPU_SETSIZE) { |
| 332 | ALOGE("parse_cpuset_cpus: ignoring CPU number larger than %d.", CPU_SETSIZE); |
| 333 | continue; |
| 334 | } else if (end >= CPU_SETSIZE) { |
| 335 | ALOGE("parse_cpuset_cpus: ignoring CPU numbers larger than %d.", CPU_SETSIZE); |
| 336 | end = CPU_SETSIZE - 1; |
| 337 | } |
| 338 | if (matched == 1) { |
| 339 | CPU_SET(start, cpu_set); |
| 340 | } else if (matched == 2) { |
| 341 | for (i = start; i <= end; i++) { |
| 342 | CPU_SET(i, cpu_set); |
| 343 | } |
| 344 | } else { |
| 345 | ALOGE("Failed to match cpus"); |
| 346 | } |
| 347 | } |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Stores the CPUs assigned to the cpuset corresponding to the |
| 353 | * SchedPolicy in the passed in cpu_set. |
| 354 | */ |
| 355 | static void get_cpuset_cores_for_policy(SchedPolicy policy, cpu_set_t *cpu_set) |
| 356 | { |
| 357 | FILE *file; |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 358 | std::string filename; |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 359 | |
| 360 | CPU_ZERO(cpu_set); |
| 361 | |
| 362 | switch (policy) { |
| 363 | case SP_BACKGROUND: |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 364 | if (!CgroupGetAttributePath("LowCapacityCPUs", &filename)) { |
| 365 | return; |
| 366 | } |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 367 | break; |
| 368 | case SP_FOREGROUND: |
| 369 | case SP_AUDIO_APP: |
| 370 | case SP_AUDIO_SYS: |
Glenn Kasten | 73a7800 | 2017-04-27 15:29:23 -0700 | [diff] [blame] | 371 | case SP_RT_APP: |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 372 | if (!CgroupGetAttributePath("HighCapacityCPUs", &filename)) { |
| 373 | return; |
| 374 | } |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 375 | break; |
| 376 | case SP_TOP_APP: |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 377 | if (!CgroupGetAttributePath("MaxCapacityCPUs", &filename)) { |
| 378 | return; |
| 379 | } |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 380 | break; |
| 381 | default: |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 382 | return; |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 383 | } |
| 384 | |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 385 | file = fopen(filename.c_str(), "re"); |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 386 | if (file != NULL) { |
| 387 | // Parse cpus string |
| 388 | char *line = NULL; |
| 389 | size_t len = 0; |
| 390 | ssize_t num_read = getline(&line, &len, file); |
| 391 | fclose (file); |
| 392 | if (num_read > 0) { |
| 393 | parse_cpuset_cpus(line, cpu_set); |
| 394 | } else { |
Suren Baghdasaryan | 3fc4af6 | 2018-12-14 10:32:22 -0800 | [diff] [blame] | 395 | ALOGE("Failed to read %s", filename.c_str()); |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 396 | } |
| 397 | free(line); |
| 398 | } |
| 399 | return; |
| 400 | } |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 401 | |
| 402 | |
| 403 | /** |
| 404 | * Determine CPU cores exclusively assigned to the |
| 405 | * cpuset corresponding to the SchedPolicy and store |
| 406 | * them in the passed in cpu_set_t |
| 407 | */ |
| 408 | void get_exclusive_cpuset_cores(SchedPolicy policy, cpu_set_t *cpu_set) { |
Isaac Chen | d34fac5 | 2017-02-16 11:51:08 +0800 | [diff] [blame] | 409 | if (cpusets_enabled()) { |
| 410 | int i; |
| 411 | cpu_set_t tmp_set; |
| 412 | get_cpuset_cores_for_policy(policy, cpu_set); |
| 413 | for (i = 0; i < SP_CNT; i++) { |
| 414 | if ((SchedPolicy) i == policy) continue; |
| 415 | get_cpuset_cores_for_policy((SchedPolicy)i, &tmp_set); |
| 416 | // First get cores exclusive to one set or the other |
| 417 | CPU_XOR(&tmp_set, cpu_set, &tmp_set); |
| 418 | // Then get the ones only in cpu_set |
| 419 | CPU_AND(cpu_set, cpu_set, &tmp_set); |
| 420 | } |
| 421 | } else { |
| 422 | CPU_ZERO(cpu_set); |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 423 | } |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 424 | return; |
| 425 | } |
| 426 | |
| 427 | jintArray android_os_Process_getExclusiveCores(JNIEnv* env, jobject clazz) { |
| 428 | SchedPolicy sp; |
| 429 | cpu_set_t cpu_set; |
| 430 | jintArray cpus; |
| 431 | int pid = getpid(); |
| 432 | if (get_sched_policy(pid, &sp) != 0) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 433 | signalExceptionForGroupError(env, errno, pid); |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 434 | return NULL; |
| 435 | } |
| 436 | get_exclusive_cpuset_cores(sp, &cpu_set); |
| 437 | int num_cpus = CPU_COUNT(&cpu_set); |
| 438 | cpus = env->NewIntArray(num_cpus); |
| 439 | if (cpus == NULL) { |
| 440 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 441 | return NULL; |
| 442 | } |
| 443 | |
| 444 | jint* cpu_elements = env->GetIntArrayElements(cpus, 0); |
| 445 | int count = 0; |
| 446 | for (int i = 0; i < CPU_SETSIZE && count < num_cpus; i++) { |
| 447 | if (CPU_ISSET(i, &cpu_set)) { |
| 448 | cpu_elements[count++] = i; |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | env->ReleaseIntArrayElements(cpus, cpu_elements, 0); |
| 453 | return cpus; |
| 454 | } |
| 455 | |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 456 | static void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { |
| 457 | // Establishes the calling thread as illegal to put into the background. |
| 458 | // Typically used only for the system process's main looper. |
| 459 | #if GUARD_THREAD_PRIORITY |
Elliott Hughes | 06451fe | 2014-08-18 10:26:52 -0700 | [diff] [blame] | 460 | ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, gettid()); |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 461 | { |
| 462 | Mutex::Autolock _l(gKeyCreateMutex); |
| 463 | if (gBgKey == -1) { |
| 464 | pthread_key_create(&gBgKey, NULL); |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | // inverted: not-okay, we set a sentinel value |
| 469 | pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); |
| 470 | #endif |
| 471 | } |
| 472 | |
Srinath Sridharan | 1b15d13 | 2016-07-19 15:16:11 -0700 | [diff] [blame] | 473 | jint android_os_Process_getThreadScheduler(JNIEnv* env, jclass clazz, |
| 474 | jint tid) |
| 475 | { |
| 476 | int policy = 0; |
| 477 | // linux has sched_getscheduler(), others don't. |
| 478 | #if defined(__linux__) |
| 479 | errno = 0; |
| 480 | policy = sched_getscheduler(tid); |
| 481 | if (errno != 0) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 482 | signalExceptionForPriorityError(env, errno, tid); |
Srinath Sridharan | 1b15d13 | 2016-07-19 15:16:11 -0700 | [diff] [blame] | 483 | } |
| 484 | #else |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 485 | signalExceptionForPriorityError(env, ENOSYS, tid); |
Srinath Sridharan | 1b15d13 | 2016-07-19 15:16:11 -0700 | [diff] [blame] | 486 | #endif |
| 487 | return policy; |
| 488 | } |
| 489 | |
Glenn Kasten | 6793ac9 | 2011-07-13 12:44:12 -0700 | [diff] [blame] | 490 | void android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, |
| 491 | jint tid, jint policy, jint pri) |
| 492 | { |
Yabin Cui | 65b4a68 | 2014-11-10 12:15:46 -0800 | [diff] [blame] | 493 | // linux has sched_setscheduler(), others don't. |
| 494 | #if defined(__linux__) |
Glenn Kasten | 6793ac9 | 2011-07-13 12:44:12 -0700 | [diff] [blame] | 495 | struct sched_param param; |
| 496 | param.sched_priority = pri; |
| 497 | int rc = sched_setscheduler(tid, policy, ¶m); |
| 498 | if (rc) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 499 | signalExceptionForPriorityError(env, errno, tid); |
Glenn Kasten | 6793ac9 | 2011-07-13 12:44:12 -0700 | [diff] [blame] | 500 | } |
Glenn Kasten | cc76719 | 2012-01-17 08:38:51 -0800 | [diff] [blame] | 501 | #else |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 502 | signalExceptionForPriorityError(env, ENOSYS, tid); |
Glenn Kasten | cc76719 | 2012-01-17 08:38:51 -0800 | [diff] [blame] | 503 | #endif |
Glenn Kasten | 6793ac9 | 2011-07-13 12:44:12 -0700 | [diff] [blame] | 504 | } |
| 505 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 506 | void android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, |
| 507 | jint pid, jint pri) |
| 508 | { |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 509 | #if GUARD_THREAD_PRIORITY |
| 510 | // if we're putting the current thread into the background, check the TLS |
| 511 | // to make sure this thread isn't guarded. If it is, raise an exception. |
| 512 | if (pri >= ANDROID_PRIORITY_BACKGROUND) { |
Elliott Hughes | 06451fe | 2014-08-18 10:26:52 -0700 | [diff] [blame] | 513 | if (pid == gettid()) { |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 514 | void* bgOk = pthread_getspecific(gBgKey); |
| 515 | if (bgOk == ((void*)0xbaad)) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 516 | ALOGE("Thread marked fg-only put self in background!"); |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 517 | jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); |
| 518 | return; |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | #endif |
| 523 | |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 524 | int rc = androidSetThreadPriority(pid, pri); |
| 525 | if (rc != 0) { |
| 526 | if (rc == INVALID_OPERATION) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 527 | signalExceptionForPriorityError(env, errno, pid); |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 528 | } else { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 529 | signalExceptionForGroupError(env, errno, pid); |
Dianne Hackborn | 887f355 | 2009-12-07 17:59:37 -0800 | [diff] [blame] | 530 | } |
San Mehat | 242d65b | 2009-09-12 10:10:37 -0700 | [diff] [blame] | 531 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 532 | |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 533 | //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 534 | // pid, pri, getpriority(PRIO_PROCESS, pid)); |
| 535 | } |
| 536 | |
| 537 | void android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, |
| 538 | jint pri) |
| 539 | { |
Elliott Hughes | 06451fe | 2014-08-18 10:26:52 -0700 | [diff] [blame] | 540 | android_os_Process_setThreadPriority(env, clazz, gettid(), pri); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | jint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, |
| 544 | jint pid) |
| 545 | { |
| 546 | errno = 0; |
| 547 | jint pri = getpriority(PRIO_PROCESS, pid); |
| 548 | if (errno != 0) { |
Ruben Brunk | 4c0c4df | 2016-08-09 12:46:13 -0700 | [diff] [blame] | 549 | signalExceptionForPriorityError(env, errno, pid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 550 | } |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 551 | //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 552 | return pri; |
| 553 | } |
| 554 | |
Rom Lemarchand | 5534ba9 | 2013-07-12 16:15:36 -0700 | [diff] [blame] | 555 | jboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, |
| 556 | jint pid, jboolean is_increased) |
| 557 | { |
| 558 | char text[64]; |
| 559 | |
| 560 | if (is_increased) { |
| 561 | strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); |
| 562 | } else { |
| 563 | strcpy(text, "/sys/fs/cgroup/memory/tasks"); |
| 564 | } |
| 565 | |
| 566 | struct stat st; |
| 567 | if (stat(text, &st) || !S_ISREG(st.st_mode)) { |
| 568 | return false; |
| 569 | } |
| 570 | |
Nick Kralevich | 422dd00f | 2017-10-19 17:51:50 -0700 | [diff] [blame] | 571 | int fd = open(text, O_WRONLY | O_CLOEXEC); |
Rom Lemarchand | 5534ba9 | 2013-07-12 16:15:36 -0700 | [diff] [blame] | 572 | if (fd >= 0) { |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 573 | sprintf(text, "%" PRId32, pid); |
Rom Lemarchand | 5534ba9 | 2013-07-12 16:15:36 -0700 | [diff] [blame] | 574 | write(fd, text, strlen(text)); |
| 575 | close(fd); |
| 576 | } |
| 577 | |
| 578 | return true; |
| 579 | } |
| 580 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 581 | void android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) |
| 582 | { |
| 583 | if (name == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 584 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 585 | return; |
| 586 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 587 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 588 | const jchar* str = env->GetStringCritical(name, 0); |
| 589 | String8 name8; |
| 590 | if (str) { |
Dan Albert | 6698749 | 2014-11-20 11:41:21 -0800 | [diff] [blame] | 591 | name8 = String8(reinterpret_cast<const char16_t*>(str), |
| 592 | env->GetStringLength(name)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 593 | env->ReleaseStringCritical(name, str); |
| 594 | } |
| 595 | |
Dmitriy Filchenko | 342c7dc | 2016-07-12 15:40:54 -0700 | [diff] [blame] | 596 | if (!name8.isEmpty()) { |
Dmitriy Filchenko | f5b6e55 | 2016-07-18 16:00:35 -0700 | [diff] [blame] | 597 | AndroidRuntime::getRuntime()->setArgv0(name8.string(), true /* setProcName */); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | |
| 601 | jint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) |
| 602 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 603 | return setuid(uid) == 0 ? 0 : errno; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | jint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) |
| 607 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 608 | return setgid(uid) == 0 ? 0 : errno; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 609 | } |
| 610 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 611 | static int pid_compare(const void* v1, const void* v2) |
| 612 | { |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 613 | //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 614 | return *((const jint*)v1) - *((const jint*)v2); |
| 615 | } |
| 616 | |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 617 | static jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) |
| 618 | { |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 619 | static const std::vector<std::string> memFreeTags = { |
| 620 | ::android::meminfo::SysMemInfo::kMemFree, |
| 621 | ::android::meminfo::SysMemInfo::kMemCached, |
| 622 | }; |
| 623 | std::vector<uint64_t> mem(memFreeTags.size()); |
| 624 | ::android::meminfo::SysMemInfo smi; |
| 625 | |
| 626 | if (!smi.ReadMemInfo(memFreeTags, &mem)) { |
| 627 | jniThrowRuntimeException(env, "SysMemInfo read failed to get Free Memory"); |
| 628 | return -1L; |
| 629 | } |
| 630 | |
| 631 | jlong sum = 0; |
| 632 | std::for_each(mem.begin(), mem.end(), [&](uint64_t val) { sum += val; }); |
| 633 | return sum * 1024; |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 634 | } |
| 635 | |
| 636 | static jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) |
| 637 | { |
Sandeep Patil | be82541 | 2018-12-11 10:09:46 -0800 | [diff] [blame] | 638 | struct sysinfo si; |
| 639 | if (sysinfo(&si) == -1) { |
| 640 | ALOGE("sysinfo failed: %s", strerror(errno)); |
| 641 | return -1; |
| 642 | } |
| 643 | |
| 644 | return si.totalram; |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 645 | } |
| 646 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 647 | void android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, |
| 648 | jobjectArray reqFields, jlongArray outFields) |
| 649 | { |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 650 | //ALOGI("getMemInfo: %p %p", reqFields, outFields); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 651 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 652 | if (fileStr == NULL || reqFields == NULL || outFields == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 653 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 654 | return; |
| 655 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 656 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 657 | const char* file8 = env->GetStringUTFChars(fileStr, NULL); |
| 658 | if (file8 == NULL) { |
| 659 | return; |
| 660 | } |
| 661 | String8 file(file8); |
| 662 | env->ReleaseStringUTFChars(fileStr, file8); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 663 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 664 | jsize count = env->GetArrayLength(reqFields); |
| 665 | if (count > env->GetArrayLength(outFields)) { |
| 666 | jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); |
| 667 | return; |
| 668 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 669 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 670 | Vector<String8> fields; |
| 671 | int i; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 672 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 673 | for (i=0; i<count; i++) { |
| 674 | jobject obj = env->GetObjectArrayElement(reqFields, i); |
| 675 | if (obj != NULL) { |
| 676 | const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 677 | //ALOGI("String at %d: %p = %s", i, obj, str8); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 678 | if (str8 == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 679 | jniThrowNullPointerException(env, "Element in reqFields"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 680 | return; |
| 681 | } |
| 682 | fields.add(String8(str8)); |
| 683 | env->ReleaseStringUTFChars((jstring)obj, str8); |
| 684 | } else { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 685 | jniThrowNullPointerException(env, "Element in reqFields"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 686 | return; |
| 687 | } |
| 688 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 689 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 690 | jlong* sizesArray = env->GetLongArrayElements(outFields, 0); |
| 691 | if (sizesArray == NULL) { |
| 692 | return; |
| 693 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 694 | |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 695 | //ALOGI("Clearing %" PRId32 " sizes", count); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 696 | for (i=0; i<count; i++) { |
| 697 | sizesArray[i] = 0; |
| 698 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 699 | |
Nick Kralevich | 422dd00f | 2017-10-19 17:51:50 -0700 | [diff] [blame] | 700 | int fd = open(file.string(), O_RDONLY | O_CLOEXEC); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 701 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 702 | if (fd >= 0) { |
Dianne Hackborn | e17b445 | 2018-01-10 13:15:40 -0800 | [diff] [blame] | 703 | const size_t BUFFER_SIZE = 4096; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 704 | char* buffer = (char*)malloc(BUFFER_SIZE); |
| 705 | int len = read(fd, buffer, BUFFER_SIZE-1); |
| 706 | close(fd); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 707 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 708 | if (len < 0) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 709 | ALOGW("Unable to read %s", file.string()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 710 | len = 0; |
| 711 | } |
| 712 | buffer[len] = 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 713 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 714 | int foundCount = 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 715 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 716 | char* p = buffer; |
| 717 | while (*p && foundCount < count) { |
| 718 | bool skipToEol = true; |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 719 | //ALOGI("Parsing at: %s", p); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 720 | for (i=0; i<count; i++) { |
| 721 | const String8& field = fields[i]; |
| 722 | if (strncmp(p, field.string(), field.length()) == 0) { |
| 723 | p += field.length(); |
Amith Yamasani | add868c | 2009-06-25 11:57:40 -0700 | [diff] [blame] | 724 | while (*p == ' ' || *p == '\t') p++; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 725 | char* num = p; |
| 726 | while (*p >= '0' && *p <= '9') p++; |
| 727 | skipToEol = *p != '\n'; |
| 728 | if (*p != 0) { |
| 729 | *p = 0; |
| 730 | p++; |
| 731 | } |
| 732 | char* end; |
| 733 | sizesArray[i] = strtoll(num, &end, 10); |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 734 | //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 735 | foundCount++; |
| 736 | break; |
| 737 | } |
| 738 | } |
| 739 | if (skipToEol) { |
| 740 | while (*p && *p != '\n') { |
| 741 | p++; |
| 742 | } |
| 743 | if (*p == '\n') { |
| 744 | p++; |
| 745 | } |
| 746 | } |
| 747 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 748 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 749 | free(buffer); |
| 750 | } else { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 751 | ALOGW("Unable to open %s", file.string()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 752 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 753 | |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 754 | //ALOGI("Done!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 755 | env->ReleaseLongArrayElements(outFields, sizesArray, 0); |
| 756 | } |
| 757 | |
| 758 | jintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, |
| 759 | jstring file, jintArray lastArray) |
| 760 | { |
| 761 | if (file == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 762 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 763 | return NULL; |
| 764 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 765 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 766 | const char* file8 = env->GetStringUTFChars(file, NULL); |
| 767 | if (file8 == NULL) { |
| 768 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 769 | return NULL; |
| 770 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 771 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 772 | DIR* dirp = opendir(file8); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 773 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 774 | env->ReleaseStringUTFChars(file, file8); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 775 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 776 | if(dirp == NULL) { |
| 777 | return NULL; |
| 778 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 779 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 780 | jsize curCount = 0; |
| 781 | jint* curData = NULL; |
| 782 | if (lastArray != NULL) { |
| 783 | curCount = env->GetArrayLength(lastArray); |
| 784 | curData = env->GetIntArrayElements(lastArray, 0); |
| 785 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 786 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 787 | jint curPos = 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 788 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 789 | struct dirent* entry; |
| 790 | while ((entry=readdir(dirp)) != NULL) { |
| 791 | const char* p = entry->d_name; |
| 792 | while (*p) { |
| 793 | if (*p < '0' || *p > '9') break; |
| 794 | p++; |
| 795 | } |
| 796 | if (*p != 0) continue; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 797 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 798 | char* end; |
| 799 | int pid = strtol(entry->d_name, &end, 10); |
Steve Block | 6215d3f | 2012-01-04 20:05:49 +0000 | [diff] [blame] | 800 | //ALOGI("File %s pid=%d\n", entry->d_name, pid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 801 | if (curPos >= curCount) { |
| 802 | jsize newCount = (curCount == 0) ? 10 : (curCount*2); |
| 803 | jintArray newArray = env->NewIntArray(newCount); |
| 804 | if (newArray == NULL) { |
| 805 | closedir(dirp); |
| 806 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 807 | return NULL; |
| 808 | } |
| 809 | jint* newData = env->GetIntArrayElements(newArray, 0); |
| 810 | if (curData != NULL) { |
| 811 | memcpy(newData, curData, sizeof(jint)*curCount); |
| 812 | env->ReleaseIntArrayElements(lastArray, curData, 0); |
| 813 | } |
| 814 | lastArray = newArray; |
| 815 | curCount = newCount; |
| 816 | curData = newData; |
| 817 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 818 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 819 | curData[curPos] = pid; |
| 820 | curPos++; |
| 821 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 822 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 823 | closedir(dirp); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 824 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 825 | if (curData != NULL && curPos > 0) { |
| 826 | qsort(curData, curPos, sizeof(jint), pid_compare); |
| 827 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 828 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 829 | while (curPos < curCount) { |
| 830 | curData[curPos] = -1; |
| 831 | curPos++; |
| 832 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 833 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 834 | if (curData != NULL) { |
| 835 | env->ReleaseIntArrayElements(lastArray, curData, 0); |
| 836 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 837 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 838 | return lastArray; |
| 839 | } |
| 840 | |
| 841 | enum { |
| 842 | PROC_TERM_MASK = 0xff, |
| 843 | PROC_ZERO_TERM = 0, |
| 844 | PROC_SPACE_TERM = ' ', |
| 845 | PROC_COMBINE = 0x100, |
| 846 | PROC_PARENS = 0x200, |
Dianne Hackborn | 13ac041 | 2013-06-25 19:34:49 -0700 | [diff] [blame] | 847 | PROC_QUOTES = 0x400, |
Dianne Hackborn | 4de5a3a | 2016-06-20 15:20:15 -0700 | [diff] [blame] | 848 | PROC_CHAR = 0x800, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 849 | PROC_OUT_STRING = 0x1000, |
| 850 | PROC_OUT_LONG = 0x2000, |
| 851 | PROC_OUT_FLOAT = 0x4000, |
| 852 | }; |
| 853 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 854 | jboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 855 | char* buffer, jint startIndex, jint endIndex, jintArray format, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 856 | jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 857 | { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 858 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 859 | const jsize NF = env->GetArrayLength(format); |
| 860 | const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; |
| 861 | const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; |
| 862 | const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 863 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 864 | jint* formatData = env->GetIntArrayElements(format, 0); |
| 865 | jlong* longsData = outLongs ? |
| 866 | env->GetLongArrayElements(outLongs, 0) : NULL; |
| 867 | jfloat* floatsData = outFloats ? |
| 868 | env->GetFloatArrayElements(outFloats, 0) : NULL; |
| 869 | if (formatData == NULL || (NL > 0 && longsData == NULL) |
| 870 | || (NR > 0 && floatsData == NULL)) { |
| 871 | if (formatData != NULL) { |
| 872 | env->ReleaseIntArrayElements(format, formatData, 0); |
| 873 | } |
| 874 | if (longsData != NULL) { |
| 875 | env->ReleaseLongArrayElements(outLongs, longsData, 0); |
| 876 | } |
| 877 | if (floatsData != NULL) { |
| 878 | env->ReleaseFloatArrayElements(outFloats, floatsData, 0); |
| 879 | } |
| 880 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 881 | return JNI_FALSE; |
| 882 | } |
| 883 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 884 | jsize i = startIndex; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 885 | jsize di = 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 886 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 887 | jboolean res = JNI_TRUE; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 888 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 889 | for (jsize fi=0; fi<NF; fi++) { |
Dianne Hackborn | 13ac041 | 2013-06-25 19:34:49 -0700 | [diff] [blame] | 890 | jint mode = formatData[fi]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 891 | if ((mode&PROC_PARENS) != 0) { |
| 892 | i++; |
Bernhard Rosenkränzer | 3b1e22e | 2014-11-17 22:30:56 +0100 | [diff] [blame] | 893 | } else if ((mode&PROC_QUOTES) != 0) { |
Dianne Hackborn | 13ac041 | 2013-06-25 19:34:49 -0700 | [diff] [blame] | 894 | if (buffer[i] == '"') { |
| 895 | i++; |
| 896 | } else { |
| 897 | mode &= ~PROC_QUOTES; |
| 898 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 899 | } |
| 900 | const char term = (char)(mode&PROC_TERM_MASK); |
| 901 | const jsize start = i; |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 902 | if (i >= endIndex) { |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 903 | if (kDebugProc) { |
| 904 | ALOGW("Ran off end of data @%d", i); |
| 905 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 906 | res = JNI_FALSE; |
| 907 | break; |
| 908 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 909 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 910 | jsize end = -1; |
| 911 | if ((mode&PROC_PARENS) != 0) { |
Elliott Hughes | c367d48 | 2013-10-29 13:12:55 -0700 | [diff] [blame] | 912 | while (i < endIndex && buffer[i] != ')') { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 913 | i++; |
| 914 | } |
| 915 | end = i; |
| 916 | i++; |
Dianne Hackborn | 13ac041 | 2013-06-25 19:34:49 -0700 | [diff] [blame] | 917 | } else if ((mode&PROC_QUOTES) != 0) { |
| 918 | while (buffer[i] != '"' && i < endIndex) { |
| 919 | i++; |
| 920 | } |
| 921 | end = i; |
| 922 | i++; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 923 | } |
Elliott Hughes | c367d48 | 2013-10-29 13:12:55 -0700 | [diff] [blame] | 924 | while (i < endIndex && buffer[i] != term) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 925 | i++; |
| 926 | } |
| 927 | if (end < 0) { |
| 928 | end = i; |
| 929 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 930 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 931 | if (i < endIndex) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 932 | i++; |
| 933 | if ((mode&PROC_COMBINE) != 0) { |
Elliott Hughes | c367d48 | 2013-10-29 13:12:55 -0700 | [diff] [blame] | 934 | while (i < endIndex && buffer[i] == term) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 935 | i++; |
| 936 | } |
| 937 | } |
| 938 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 939 | |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 940 | //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 941 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 942 | if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { |
| 943 | char c = buffer[end]; |
| 944 | buffer[end] = 0; |
| 945 | if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { |
| 946 | char* end; |
| 947 | floatsData[di] = strtof(buffer+start, &end); |
| 948 | } |
| 949 | if ((mode&PROC_OUT_LONG) != 0 && di < NL) { |
Dianne Hackborn | 4de5a3a | 2016-06-20 15:20:15 -0700 | [diff] [blame] | 950 | if ((mode&PROC_CHAR) != 0) { |
| 951 | // Caller wants single first character returned as one long. |
| 952 | longsData[di] = buffer[start]; |
| 953 | } else { |
| 954 | char* end; |
| 955 | longsData[di] = strtoll(buffer+start, &end, 10); |
| 956 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 957 | } |
| 958 | if ((mode&PROC_OUT_STRING) != 0 && di < NS) { |
| 959 | jstring str = env->NewStringUTF(buffer+start); |
| 960 | env->SetObjectArrayElement(outStrings, di, str); |
| 961 | } |
| 962 | buffer[end] = c; |
| 963 | di++; |
| 964 | } |
| 965 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 966 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | env->ReleaseIntArrayElements(format, formatData, 0); |
| 968 | if (longsData != NULL) { |
| 969 | env->ReleaseLongArrayElements(outLongs, longsData, 0); |
| 970 | } |
| 971 | if (floatsData != NULL) { |
| 972 | env->ReleaseFloatArrayElements(outFloats, floatsData, 0); |
| 973 | } |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 974 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 975 | return res; |
| 976 | } |
| 977 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 978 | jboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 979 | jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 980 | jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) |
| 981 | { |
| 982 | jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); |
| 983 | |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 984 | jboolean result = android_os_Process_parseProcLineArray(env, clazz, |
| 985 | (char*) bufferArray, startIndex, endIndex, format, outStrings, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 986 | outLongs, outFloats); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 987 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 988 | env->ReleaseByteArrayElements(buffer, bufferArray, 0); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 989 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 990 | return result; |
| 991 | } |
| 992 | |
| 993 | jboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, |
| 994 | jstring file, jintArray format, jobjectArray outStrings, |
| 995 | jlongArray outLongs, jfloatArray outFloats) |
| 996 | { |
| 997 | if (file == NULL || format == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 998 | jniThrowNullPointerException(env, NULL); |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 999 | return JNI_FALSE; |
| 1000 | } |
| 1001 | |
| 1002 | const char* file8 = env->GetStringUTFChars(file, NULL); |
| 1003 | if (file8 == NULL) { |
| 1004 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 1005 | return JNI_FALSE; |
| 1006 | } |
Nick Kralevich | 422dd00f | 2017-10-19 17:51:50 -0700 | [diff] [blame] | 1007 | int fd = open(file8, O_RDONLY | O_CLOEXEC); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1008 | |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1009 | if (fd < 0) { |
Andreas Gampe | 0f0b491 | 2014-11-12 08:03:48 -0800 | [diff] [blame] | 1010 | if (kDebugProc) { |
| 1011 | ALOGW("Unable to open process file: %s\n", file8); |
| 1012 | } |
Dianne Hackborn | 306af67 | 2014-06-24 15:41:03 -0700 | [diff] [blame] | 1013 | env->ReleaseStringUTFChars(file, file8); |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1014 | return JNI_FALSE; |
| 1015 | } |
Dianne Hackborn | 306af67 | 2014-06-24 15:41:03 -0700 | [diff] [blame] | 1016 | env->ReleaseStringUTFChars(file, file8); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1017 | |
Misha Wagner | cc065fb | 2018-10-15 10:45:44 +0100 | [diff] [blame] | 1018 | std::vector<char> fileBuffer(kReadSize); |
| 1019 | int numBytesRead = 0; |
| 1020 | while (true) { |
| 1021 | // Resize buffer to make space for contents. This might be more than we need, but once we've |
| 1022 | // read we resize back down |
| 1023 | fileBuffer.resize(numBytesRead + kReadSize, 0); |
| 1024 | // Read in contents |
| 1025 | int len = TEMP_FAILURE_RETRY(read(fd, fileBuffer.data() + numBytesRead, kReadSize)); |
| 1026 | numBytesRead += len; |
| 1027 | if (len < 0) { |
| 1028 | // If `len` is negative, an error occurred on read |
| 1029 | if (kDebugProc) { |
| 1030 | ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); |
| 1031 | } |
| 1032 | close(fd); |
| 1033 | return JNI_FALSE; |
| 1034 | } else if (len == 0) { |
| 1035 | // If nothing read, we're done |
| 1036 | break; |
| 1037 | } |
| 1038 | } |
| 1039 | // Resize back down to the amount we read |
| 1040 | fileBuffer.resize(numBytesRead); |
| 1041 | // Terminate buffer with null byte |
| 1042 | fileBuffer.push_back('\0'); |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1043 | close(fd); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1044 | |
Misha Wagner | cc065fb | 2018-10-15 10:45:44 +0100 | [diff] [blame] | 1045 | return android_os_Process_parseProcLineArray(env, clazz, fileBuffer.data(), 0, numBytesRead, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1046 | format, outStrings, outLongs, outFloats); |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1047 | } |
| 1048 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1049 | void android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, |
| 1050 | jobject binderObject) |
| 1051 | { |
| 1052 | if (binderObject == NULL) { |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1053 | jniThrowNullPointerException(env, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1054 | return; |
| 1055 | } |
| 1056 | |
| 1057 | sp<IBinder> binder = ibinderForJavaObject(env, binderObject); |
| 1058 | } |
| 1059 | |
| 1060 | void android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) |
| 1061 | { |
| 1062 | if (pid > 0) { |
Mark Salyzyn | c6a4101 | 2014-04-24 13:05:18 -0700 | [diff] [blame] | 1063 | ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1064 | kill(pid, sig); |
| 1065 | } |
| 1066 | } |
| 1067 | |
Dianne Hackborn | 906497c | 2010-05-10 15:57:38 -0700 | [diff] [blame] | 1068 | void android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) |
| 1069 | { |
| 1070 | if (pid > 0) { |
| 1071 | kill(pid, sig); |
| 1072 | } |
| 1073 | } |
| 1074 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1075 | static jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) |
| 1076 | { |
| 1077 | struct timespec ts; |
| 1078 | |
| 1079 | int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1080 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1081 | if (res != 0) { |
| 1082 | return (jlong) 0; |
Elliott Hughes | 69a017b | 2011-04-08 14:10:28 -0700 | [diff] [blame] | 1083 | } |
| 1084 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1085 | nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; |
| 1086 | return (jlong) nanoseconds_to_milliseconds(when); |
| 1087 | } |
| 1088 | |
| 1089 | static jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) |
| 1090 | { |
Sandeep Patil | fcd4a4a | 2019-01-12 22:42:05 -0800 | [diff] [blame] | 1091 | ::android::meminfo::ProcMemInfo proc_mem(pid); |
| 1092 | uint64_t pss; |
| 1093 | if (!proc_mem.SmapsOrRollupPss(&pss)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1094 | return (jlong) -1; |
| 1095 | } |
| 1096 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1097 | // Return the Pss value in bytes, not kilobytes |
| 1098 | return pss * 1024; |
| 1099 | } |
| 1100 | |
Tim Murray | fb07678 | 2018-11-27 12:22:22 -0800 | [diff] [blame] | 1101 | static jlongArray android_os_Process_getRss(JNIEnv* env, jobject clazz, jint pid) |
| 1102 | { |
| 1103 | // total, file, anon, swap |
| 1104 | jlong rss[4] = {0, 0, 0, 0}; |
| 1105 | std::string status_path = |
| 1106 | android::base::StringPrintf("/proc/%d/status", pid); |
| 1107 | UniqueFile file = MakeUniqueFile(status_path.c_str(), "re"); |
| 1108 | |
| 1109 | char line[256]; |
Tim Murray | 8d65217 | 2018-12-12 16:26:47 -0800 | [diff] [blame] | 1110 | while (file != nullptr && fgets(line, sizeof(line), file.get())) { |
Tim Murray | fb07678 | 2018-11-27 12:22:22 -0800 | [diff] [blame] | 1111 | jlong v; |
| 1112 | if ( sscanf(line, "VmRSS: %" SCNd64 " kB", &v) == 1) { |
| 1113 | rss[0] = v; |
| 1114 | } else if ( sscanf(line, "RssFile: %" SCNd64 " kB", &v) == 1) { |
| 1115 | rss[1] = v; |
| 1116 | } else if ( sscanf(line, "RssAnon: %" SCNd64 " kB", &v) == 1) { |
| 1117 | rss[2] = v; |
| 1118 | } else if ( sscanf(line, "VmSwap: %" SCNd64 " kB", &v) == 1) { |
| 1119 | rss[3] = v; |
| 1120 | } |
| 1121 | } |
| 1122 | |
| 1123 | jlongArray rssArray = env->NewLongArray(4); |
| 1124 | if (rssArray == NULL) { |
| 1125 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 1126 | return NULL; |
| 1127 | } |
| 1128 | |
| 1129 | env->SetLongArrayRegion(rssArray, 0, 4, rss); |
| 1130 | |
| 1131 | return rssArray; |
| 1132 | } |
| 1133 | |
Dianne Hackborn | f72467a | 2012-06-08 17:23:59 -0700 | [diff] [blame] | 1134 | jintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, |
| 1135 | jobjectArray commandNames) |
| 1136 | { |
| 1137 | if (commandNames == NULL) { |
| 1138 | jniThrowNullPointerException(env, NULL); |
| 1139 | return NULL; |
| 1140 | } |
| 1141 | |
| 1142 | Vector<String8> commands; |
| 1143 | |
| 1144 | jsize count = env->GetArrayLength(commandNames); |
| 1145 | |
| 1146 | for (int i=0; i<count; i++) { |
| 1147 | jobject obj = env->GetObjectArrayElement(commandNames, i); |
| 1148 | if (obj != NULL) { |
| 1149 | const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); |
| 1150 | if (str8 == NULL) { |
| 1151 | jniThrowNullPointerException(env, "Element in commandNames"); |
| 1152 | return NULL; |
| 1153 | } |
| 1154 | commands.add(String8(str8)); |
| 1155 | env->ReleaseStringUTFChars((jstring)obj, str8); |
| 1156 | } else { |
| 1157 | jniThrowNullPointerException(env, "Element in commandNames"); |
| 1158 | return NULL; |
| 1159 | } |
| 1160 | } |
| 1161 | |
| 1162 | Vector<jint> pids; |
| 1163 | |
| 1164 | DIR *proc = opendir("/proc"); |
| 1165 | if (proc == NULL) { |
| 1166 | fprintf(stderr, "/proc: %s\n", strerror(errno)); |
| 1167 | return NULL; |
| 1168 | } |
| 1169 | |
| 1170 | struct dirent *d; |
| 1171 | while ((d = readdir(proc))) { |
| 1172 | int pid = atoi(d->d_name); |
| 1173 | if (pid <= 0) continue; |
| 1174 | |
| 1175 | char path[PATH_MAX]; |
| 1176 | char data[PATH_MAX]; |
| 1177 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); |
| 1178 | |
Nick Kralevich | 422dd00f | 2017-10-19 17:51:50 -0700 | [diff] [blame] | 1179 | int fd = open(path, O_RDONLY | O_CLOEXEC); |
Dianne Hackborn | f72467a | 2012-06-08 17:23:59 -0700 | [diff] [blame] | 1180 | if (fd < 0) { |
| 1181 | continue; |
| 1182 | } |
| 1183 | const int len = read(fd, data, sizeof(data)-1); |
| 1184 | close(fd); |
| 1185 | |
| 1186 | if (len < 0) { |
| 1187 | continue; |
| 1188 | } |
| 1189 | data[len] = 0; |
| 1190 | |
| 1191 | for (int i=0; i<len; i++) { |
| 1192 | if (data[i] == ' ') { |
| 1193 | data[i] = 0; |
| 1194 | break; |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | for (size_t i=0; i<commands.size(); i++) { |
| 1199 | if (commands[i] == data) { |
| 1200 | pids.add(pid); |
| 1201 | break; |
| 1202 | } |
| 1203 | } |
| 1204 | } |
| 1205 | |
| 1206 | closedir(proc); |
| 1207 | |
| 1208 | jintArray pidArray = env->NewIntArray(pids.size()); |
| 1209 | if (pidArray == NULL) { |
| 1210 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 1211 | return NULL; |
| 1212 | } |
| 1213 | |
| 1214 | if (pids.size() > 0) { |
| 1215 | env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); |
| 1216 | } |
| 1217 | |
| 1218 | return pidArray; |
| 1219 | } |
| 1220 | |
Colin Cross | 0769e55 | 2014-06-03 13:25:35 -0700 | [diff] [blame] | 1221 | jint android_os_Process_killProcessGroup(JNIEnv* env, jobject clazz, jint uid, jint pid) |
| 1222 | { |
| 1223 | return killProcessGroup(uid, pid, SIGKILL); |
| 1224 | } |
| 1225 | |
| 1226 | void android_os_Process_removeAllProcessGroups(JNIEnv* env, jobject clazz) |
| 1227 | { |
| 1228 | return removeAllProcessGroups(); |
| 1229 | } |
| 1230 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1231 | static const JNINativeMethod methods[] = { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1232 | {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, |
| 1233 | {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, |
| 1234 | {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, |
Glenn Kasten | 6793ac9 | 2011-07-13 12:44:12 -0700 | [diff] [blame] | 1235 | {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, |
Christopher Tate | 160edb3 | 2010-06-30 17:46:30 -0700 | [diff] [blame] | 1236 | {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1237 | {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, |
| 1238 | {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, |
Srinath Sridharan | 1b15d13 | 2016-07-19 15:16:11 -0700 | [diff] [blame] | 1239 | {"getThreadScheduler", "(I)I", (void*)android_os_Process_getThreadScheduler}, |
San Mehat | e9d376b | 2009-04-21 14:06:36 -0700 | [diff] [blame] | 1240 | {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, |
Joel Fernandes | 474d311 | 2017-04-04 16:32:15 -0700 | [diff] [blame] | 1241 | {"setThreadGroupAndCpuset", "(II)V", (void*)android_os_Process_setThreadGroupAndCpuset}, |
Jeff Sharkey | 9e57c41 | 2013-01-17 14:12:41 -0800 | [diff] [blame] | 1242 | {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, |
| 1243 | {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, |
Martijn Coenen | cd4bdf3 | 2016-03-03 17:30:52 +0100 | [diff] [blame] | 1244 | {"getExclusiveCores", "()[I", (void*)android_os_Process_getExclusiveCores}, |
Rom Lemarchand | 5534ba9 | 2013-07-12 16:15:36 -0700 | [diff] [blame] | 1245 | {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1246 | {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, |
| 1247 | {"setUid", "(I)I", (void*)android_os_Process_setUid}, |
| 1248 | {"setGid", "(I)I", (void*)android_os_Process_setGid}, |
| 1249 | {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, |
Dianne Hackborn | 906497c | 2010-05-10 15:57:38 -0700 | [diff] [blame] | 1250 | {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, |
Marco Nelissen | 0bca96b | 2009-07-17 12:59:25 -0700 | [diff] [blame] | 1251 | {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, |
Dianne Hackborn | 59325eb | 2012-05-09 18:45:20 -0700 | [diff] [blame] | 1252 | {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1253 | {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, |
| 1254 | {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, |
| 1255 | {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, |
Evan Millar | c64edde | 2009-04-18 12:26:32 -0700 | [diff] [blame] | 1256 | {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1257 | {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, |
| 1258 | {"getPss", "(I)J", (void*)android_os_Process_getPss}, |
Tim Murray | fb07678 | 2018-11-27 12:22:22 -0800 | [diff] [blame] | 1259 | {"getRss", "(I)[J", (void*)android_os_Process_getRss}, |
Dianne Hackborn | f72467a | 2012-06-08 17:23:59 -0700 | [diff] [blame] | 1260 | {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1261 | //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, |
Colin Cross | 0769e55 | 2014-06-03 13:25:35 -0700 | [diff] [blame] | 1262 | {"killProcessGroup", "(II)I", (void*)android_os_Process_killProcessGroup}, |
| 1263 | {"removeAllProcessGroups", "()V", (void*)android_os_Process_removeAllProcessGroups}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1264 | }; |
| 1265 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1266 | int register_android_os_Process(JNIEnv* env) |
| 1267 | { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 1268 | return RegisterMethodsOrDie(env, "android/os/Process", methods, NELEM(methods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1269 | } |