19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/libs/android_runtime/android_util_Process.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2006, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** Licensed under the Apache License, Version 2.0 (the "License"); 669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** you may not use this file except in compliance with the License. 769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 1169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** Unless required by applicable law or agreed to in writing, software 1269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** distributed under the License is distributed on an "AS IS" BASIS, 1369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "Process" 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen// To make sure cpu_set_t is included from sched.h 21cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#define _GNU_SOURCE 1 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 230795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 240795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IServiceManager.h> 25a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath#include <cutils/process_name.h> 26f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten#include <cutils/sched_policy.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 290769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross#include <processgroup/processgroup.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe#include "core_jni_helpers.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 39c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <inttypes.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 42c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/errno.h> 43c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/resource.h> 44c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/stat.h> 45c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/types.h> 466af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 49a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 520f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampestatic const bool kDebugPolicy = false; 530f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampestatic const bool kDebugProc = false; 540f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe 55160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 56160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 57160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 58160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 59160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 60f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 61f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 626793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 836793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 101e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 102e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 103e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1146698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str16), 1156698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1466698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str16), 1476698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 168f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 169e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 170c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 171f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 172f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 173887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 174f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 175e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 176e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 177e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 17869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1793e458241d9930465a20a861ecb42744355d48e48San Mehat{ 180c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); 1813e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1823e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1833e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1843e458241d9930465a20a861ecb42744355d48e48San Mehat 185f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1866793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1873e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1883e458241d9930465a20a861ecb42744355d48e48San Mehat } 1893e458241d9930465a20a861ecb42744355d48e48San Mehat 190f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 191f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 192f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 193f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 194f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 195f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 196f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 1970f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugPolicy) { 1980f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe char cmdline[32]; 1990f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe int fd; 200a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 2010f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe strcpy(cmdline, "unknown"); 202a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 2030f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe sprintf(proc_path, "/proc/%d/cmdline", pid); 2040f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe fd = open(proc_path, O_RDONLY); 2050f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (fd >= 0) { 2060f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe int rc = read(fd, cmdline, sizeof(cmdline)-1); 2070f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe cmdline[rc] = 0; 2080f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe close(fd); 2090f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 21069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 2110f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (sp == SP_BACKGROUND) { 2120f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 2130f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } else { 2140f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 2150f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 216a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 2170f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe 2183e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2193e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2201fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2211fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2226793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2233e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2243e458241d9930465a20a861ecb42744355d48e48San Mehat } 2253e458241d9930465a20a861ecb42744355d48e48San Mehat 2263e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2277e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2287e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2303e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2313e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2327e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2337e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2347e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2353762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2367e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2377e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2381fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 23907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 24007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 24107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 24207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 24307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 2449e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // This task wants to stay in its current audio group so it can keep its budget 2459e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // don't update its cpuset or cgroup 24607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 24707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 24807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2497e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 25007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 251f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 252f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 2539e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // update its cpuset so it doesn't only run on bg core(s) 2549e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray#ifdef ENABLE_CPUSETS 2559e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray int err = set_cpuset_policy(t_pid, sp); 2569e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray if (err != NO_ERROR) { 2579e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray signalExceptionForGroupError(env, -err); 2589e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray break; 2599e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray } 2609e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray#endif 261f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 262f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2637e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2649e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray int err; 2659e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray#ifdef ENABLE_CPUSETS 2669e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // set both cpuset and cgroup for general threads 2679e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray err = set_cpuset_policy(t_pid, sp); 2689e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray if (err != NO_ERROR) { 2699e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray signalExceptionForGroupError(env, -err); 2709e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray break; 2719e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray } 2729e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray#endif 27369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 2749e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray err = set_sched_policy(t_pid, sp); 275f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 276f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2770a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 278242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2799e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray 2803e458241d9930465a20a861ecb42744355d48e48San Mehat } 2813e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2823e458241d9930465a20a861ecb42744355d48e48San Mehat} 2833e458241d9930465a20a861ecb42744355d48e48San Mehat 2849e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2859e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2869e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2879e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2889e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2899e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2909e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2919e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2929e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 293cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#ifdef ENABLE_CPUSETS 294cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** Sample CPUset list format: 295cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * 0-3,4,6-8 296cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 297cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenstatic void parse_cpuset_cpus(char *cpus, cpu_set_t *cpu_set) { 298cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen unsigned int start, end, matched, i; 299cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen char *cpu_range = strtok(cpus, ","); 300cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen while (cpu_range != NULL) { 301cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen start = end = 0; 302cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen matched = sscanf(cpu_range, "%u-%u", &start, &end); 303cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_range = strtok(NULL, ","); 304cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (start >= CPU_SETSIZE) { 305cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("parse_cpuset_cpus: ignoring CPU number larger than %d.", CPU_SETSIZE); 306cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen continue; 307cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else if (end >= CPU_SETSIZE) { 308cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("parse_cpuset_cpus: ignoring CPU numbers larger than %d.", CPU_SETSIZE); 309cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen end = CPU_SETSIZE - 1; 310cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 311cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (matched == 1) { 312cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_SET(start, cpu_set); 313cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else if (matched == 2) { 314cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen for (i = start; i <= end; i++) { 315cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_SET(i, cpu_set); 316cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 317cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else { 318cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("Failed to match cpus"); 319cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 320cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 321cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 322cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 323cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 324cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** 325cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * Stores the CPUs assigned to the cpuset corresponding to the 326cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * SchedPolicy in the passed in cpu_set. 327cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 328cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenstatic void get_cpuset_cores_for_policy(SchedPolicy policy, cpu_set_t *cpu_set) 329cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen{ 330cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen FILE *file; 331cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen const char *filename; 332cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 333cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_ZERO(cpu_set); 334cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 335cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen switch (policy) { 336cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_BACKGROUND: 337cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/background/cpus"; 338cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 339cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_FOREGROUND: 340cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_AUDIO_APP: 341cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_AUDIO_SYS: 342cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/foreground/cpus"; 343cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 344cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_TOP_APP: 345cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/top-app/cpus"; 346cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 347cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen default: 348cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = NULL; 349cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 350cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 351cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (!filename) return; 352cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 353cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen file = fopen(filename, "re"); 354cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (file != NULL) { 355cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen // Parse cpus string 356cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen char *line = NULL; 357cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen size_t len = 0; 358cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ssize_t num_read = getline(&line, &len, file); 359cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen fclose (file); 360cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (num_read > 0) { 361cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen parse_cpuset_cpus(line, cpu_set); 362cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else { 363cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("Failed to read %s", filename); 364cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 365cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen free(line); 366cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 367cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 368cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 369cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#endif 370cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 371cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 372cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** 373cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * Determine CPU cores exclusively assigned to the 374cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * cpuset corresponding to the SchedPolicy and store 375cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * them in the passed in cpu_set_t 376cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 377cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenvoid get_exclusive_cpuset_cores(SchedPolicy policy, cpu_set_t *cpu_set) { 378cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#ifdef ENABLE_CPUSETS 379cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int i; 380cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_set_t tmp_set; 381cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen get_cpuset_cores_for_policy(policy, cpu_set); 382cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen for (i = 0; i < SP_CNT; i++) { 383cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if ((SchedPolicy) i == policy) continue; 384cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen get_cpuset_cores_for_policy((SchedPolicy)i, &tmp_set); 385cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen // First get cores exclusive to one set or the other 386cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_XOR(&tmp_set, cpu_set, &tmp_set); 387cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen // Then get the ones only in cpu_set 388cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_AND(cpu_set, cpu_set, &tmp_set); 389cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 390cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#else 391cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen (void) policy; 392cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_ZERO(cpu_set); 393cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen#endif 394cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 395cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 396cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 397cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn CoenenjintArray android_os_Process_getExclusiveCores(JNIEnv* env, jobject clazz) { 398cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen SchedPolicy sp; 399cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_set_t cpu_set; 400cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jintArray cpus; 401cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int pid = getpid(); 402cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (get_sched_policy(pid, &sp) != 0) { 403cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen signalExceptionForGroupError(env, errno); 404cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return NULL; 405cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 406cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen get_exclusive_cpuset_cores(sp, &cpu_set); 407cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int num_cpus = CPU_COUNT(&cpu_set); 408cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpus = env->NewIntArray(num_cpus); 409cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (cpus == NULL) { 410cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 411cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return NULL; 412cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 413cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 414cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jint* cpu_elements = env->GetIntArrayElements(cpus, 0); 415cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int count = 0; 416cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen for (int i = 0; i < CPU_SETSIZE && count < num_cpus; i++) { 417cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (CPU_ISSET(i, &cpu_set)) { 418cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_elements[count++] = i; 419cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 420cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 421cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 422cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen env->ReleaseIntArrayElements(cpus, cpu_elements, 0); 423cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return cpus; 424cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 425cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 426160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 427160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 428160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 429160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 43006451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, gettid()); 431160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 432160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 433160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 434160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 435160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 436160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 437160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 438160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 439160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 440160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 441160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 442160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 4436793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 4446793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 4456793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 44665b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui// linux has sched_setscheduler(), others don't. 44765b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui#if defined(__linux__) 4486793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 4496793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 4506793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 4516793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 4526793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 4536793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 454cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 455cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 456cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 4576793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 4586793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 462160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 463160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 464160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 465160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 46606451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes if (pid == gettid()) { 467160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 468160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 4693762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 470160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 471160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 472160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 473160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 474160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 475160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 476160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 477887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 478887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 479887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 4806793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 481887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 4826793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 483887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 486c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 49306451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes android_os_Process_setThreadPriority(env, clazz, gettid(), pri); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 5026793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 504c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5085534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 5095534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 5105534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 5115534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 5125534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5135534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 5145534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 5155534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 5165534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 5175534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5185534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5195534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 5205534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 5215534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 5225534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5235534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5245534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 5255534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 526c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn sprintf(text, "%" PRId32, pid); 5275534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 5285534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 5295534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5305534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5315534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 5325534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 5335534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 53769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 5446698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str), 5456698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 550a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath const char* procName = name8.string(); 551a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath set_process_name(procName); 552a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath AndroidRuntime::getRuntime()->setArgv0(procName); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 568c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 572c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 57569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 5778564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 58469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5868564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 591c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 5920bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 59369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 59559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6080bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 62159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 62259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 623c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 62459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 62559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 62659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 62759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 62859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 62959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 630c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 63159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 63259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 63359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6376215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 63869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 64069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 65069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 65969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 6646215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 66669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 67269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 682c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Clearing %" PRId32 " sizes", count); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 68869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 69469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 6968564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 70069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 70269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 7066215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 711add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 721c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 73569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7388564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 74069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7416215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 74969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 76069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 76269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 77369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 77569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 78469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 7876215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 81169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 81569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 82069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 82469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 83413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 8354de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn PROC_CHAR = 0x800, 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 841c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 84269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 843c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 84569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 85069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 871c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 87369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 87569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 87713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 8803b1e22e2898e27fe486ac4137692e0f20166e13eBernhard Rosenkränzer } else if ((mode&PROC_QUOTES) != 0) { 88113ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 88213ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 88313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 88413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 88513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 889c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 8900f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 8910f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Ran off end of data @%d", i); 8920f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 89669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 899c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 90413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 90513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 90613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 90713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 90813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 90913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 911c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 91769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 918c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 921c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 92669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 927c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); 92869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 9374de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn if ((mode&PROC_CHAR) != 0) { 9384de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn // Caller wants single first character returned as one long. 9394de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn longsData[di] = buffer[start]; 9404de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn } else { 9414de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn char* end; 9424de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn longsData[di] = strtoll(buffer+start, &end, 10); 9434de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn } 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 95369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 96169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 965c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 96669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 967c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 968c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 969c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 970c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 97169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 97269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 973c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 97469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 975c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 97669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 977c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 978c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 979c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 980c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 981c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 982c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 983c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 984c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 98569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 986c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 987c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 988c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 989c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 990c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 991c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 992c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 993c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 994c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 99569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 996c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 9970f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 9980f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Unable to open process file: %s\n", file8); 9990f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 1000306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 1001c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1002c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1003306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 100469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1005c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 1006c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 1007c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 100869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1009c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 10100f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 10110f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 10120f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 1013c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1014c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1015c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 101669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 101769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 1018c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 101969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1020c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 1021c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 102669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 1036c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1041906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 1042906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 1043906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 1044906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 1045906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 1046906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 1047906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 105369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 105669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 105769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1066c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn snprintf(filename, sizeof(filename), "/proc/%" PRId32 "/smaps", pid); 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 1078c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn if (sscanf(line, "Pss: %" SCNd64 " kB", &v) == 1) { 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 1090f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 1091f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 1092f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 1093f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 1094f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1095f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1096f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1097f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 1098f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1099f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 1100f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1101f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 1102f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 1103f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 1104f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 1105f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 1106f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 1107f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1108f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1109f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 1110f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 1111f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 1112f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 1113f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1114f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1115f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1116f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1117f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 1118f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1119f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 1120f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 1121f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 1122f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1123f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1124f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1125f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 1126f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 1127f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 1128f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 1129f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1130f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 1131f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 1132f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 1133f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1134f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 1135f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 1136f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 1137f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1138f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 1139f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 1140f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1141f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 1142f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 1143f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1144f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 1145f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1146f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 1147f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 1148f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 1149f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1150f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1151f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1152f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1153f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 1154f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 1155f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 1156f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1157f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1158f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1159f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1160f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1161f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 1162f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1163f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 1164f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 1165f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1166f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1167f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1168f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1169f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1170f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1171f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1172f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1173f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1174f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1175f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 11760769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossjint android_os_Process_killProcessGroup(JNIEnv* env, jobject clazz, jint uid, jint pid) 11770769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 11780769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return killProcessGroup(uid, pid, SIGKILL); 11790769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 11800769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 11810769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossvoid android_os_Process_removeAllProcessGroups(JNIEnv* env, jobject clazz) 11820769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 11830769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return removeAllProcessGroups(); 11840769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 11850769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 11906793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1191160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 1194e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 11959e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 11969e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 1197cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen {"getExclusiveCores", "()[I", (void*)android_os_Process_getExclusiveCores}, 11985534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1203906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 12040bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 120559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1209c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1212f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 12140769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"killProcessGroup", "(II)I", (void*)android_os_Process_killProcessGroup}, 12150769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"removeAllProcessGroups", "()V", (void*)android_os_Process_removeAllProcessGroups}, 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1220ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie(env, "android/os/Process", methods, NELEM(methods)); 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1222