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> 25f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten#include <cutils/sched_policy.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 280769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross#include <processgroup/processgroup.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe#include "core_jni_helpers.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 332279b2534272282a5b5152723235da397e49195cSteven Moreland#include <nativehelper/JNIHelp.h> 346c51810b2b64e1a26ee89f8ba1dd7000a936b6cfDaniel Colascione#include "android_os_Debug.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) 614c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunkstatic void signalExceptionForError(JNIEnv* env, int err, int tid) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 644c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 654c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk "Invalid argument: %d", tid); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 684c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 694c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk "Given thread %d does not exist", tid); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 724c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk jniThrowExceptionFmt(env, "java/lang/SecurityException", 734c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk "No permission to modify given thread %d", tid); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 814c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunkstatic void signalExceptionForPriorityError(JNIEnv* env, int err, int tid) { 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 834c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk case EACCES: 844c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk jniThrowExceptionFmt(env, "java/lang/SecurityException", 854c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk "No permission to set the priority of %d", tid); 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 874c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk default: 884c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForError(env, err, tid); 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 904c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk } 914c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk 924c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk} 934c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk 944c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunkstatic void signalExceptionForGroupError(JNIEnv* env, int err, int tid) { 954c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk switch (err) { 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 974c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk jniThrowExceptionFmt(env, "java/lang/SecurityException", 984c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk "No permission to set the group of %d", tid); 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 1014c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForError(env, err, tid); 102e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 103e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 104e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 105e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1166698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str16), 1176698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 14169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1486698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str16), 1496698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 170f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 171e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 172c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 173f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 174f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 175887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 1764c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, -res, tid); 177e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 178e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 179e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 180474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandesvoid android_os_Process_setThreadGroupAndCpuset(JNIEnv* env, jobject clazz, int tid, jint grp) 181474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes{ 182474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 183474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes SchedPolicy sp = (SchedPolicy) grp; 184474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes int res = set_sched_policy(tid, sp); 185474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes 186474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes if (res != NO_ERROR) { 187474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes signalExceptionForGroupError(env, -res, tid); 188474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes } 189474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes 190474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes res = set_cpuset_policy(tid, sp); 191474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes if (res != NO_ERROR) { 192474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes signalExceptionForGroupError(env, -res, tid); 193474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes } 194474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes} 195474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes 19669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1973e458241d9930465a20a861ecb42744355d48e48San Mehat{ 198c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); 1993e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 2003e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 2013e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 2023e458241d9930465a20a861ecb42744355d48e48San Mehat 203f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 2044c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, EINVAL, pid); 2053e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2063e458241d9930465a20a861ecb42744355d48e48San Mehat } 2073e458241d9930465a20a861ecb42744355d48e48San Mehat 208f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 209f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 210f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 211f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 212f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 213f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 214f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 2150f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugPolicy) { 2160f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe char cmdline[32]; 2170f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe int fd; 218a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 2190f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe strcpy(cmdline, "unknown"); 220a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 2210f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe sprintf(proc_path, "/proc/%d/cmdline", pid); 222422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich fd = open(proc_path, O_RDONLY | O_CLOEXEC); 2230f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (fd >= 0) { 2240f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe int rc = read(fd, cmdline, sizeof(cmdline)-1); 2250f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe cmdline[rc] = 0; 2260f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe close(fd); 2270f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 22869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 2290f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (sp == SP_BACKGROUND) { 2300f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 2310f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } else { 2320f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 2330f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 234a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 2350f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe 2363e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2373e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2381fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2391fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2404c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, errno, pid); 2413e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2423e458241d9930465a20a861ecb42744355d48e48San Mehat } 2433e458241d9930465a20a861ecb42744355d48e48San Mehat 2443e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2457e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2467e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2477e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2483e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2493e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2507e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2517e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2527e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2533762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2547e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2557e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2561fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 25707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 25807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 25907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 26020375fe124b4bc54a2380396fd798f93fcdb3135Tim Murray int scheduler = sched_getscheduler(t_pid) & ~SCHED_RESET_ON_FORK; 26107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 2629e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // This task wants to stay in its current audio group so it can keep its budget 2639e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // don't update its cpuset or cgroup 26407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 26507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 26607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2677e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 26807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 269f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 270f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 2719e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray // update its cpuset so it doesn't only run on bg core(s) 272d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if (cpusets_enabled()) { 273d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen int err = set_cpuset_policy(t_pid, sp); 274d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if (err != NO_ERROR) { 275d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen signalExceptionForGroupError(env, -err, t_pid); 276d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen break; 277d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen } 2789e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray } 279f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 280f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2817e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2829e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray int err; 283d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen 284d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if (cpusets_enabled()) { 285d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen // set both cpuset and cgroup for general threads 286d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen err = set_cpuset_policy(t_pid, sp); 287d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if (err != NO_ERROR) { 288d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen signalExceptionForGroupError(env, -err, t_pid); 289d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen break; 290d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen } 2919e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray } 29269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 2939e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray err = set_sched_policy(t_pid, sp); 294f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 2954c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, -err, t_pid); 2960a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 297242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2989e41c7479ccaedb89a89a58079570ca0ee0e3727Tim Murray 2993e458241d9930465a20a861ecb42744355d48e48San Mehat } 3003e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 3013e458241d9930465a20a861ecb42744355d48e48San Mehat} 3023e458241d9930465a20a861ecb42744355d48e48San Mehat 3039e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 3049e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 3059e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 3069e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 3074c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, errno, pid); 3089e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 3099e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 3109e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 3119e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 312cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** Sample CPUset list format: 313cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * 0-3,4,6-8 314cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 315cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenstatic void parse_cpuset_cpus(char *cpus, cpu_set_t *cpu_set) { 316cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen unsigned int start, end, matched, i; 317cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen char *cpu_range = strtok(cpus, ","); 318cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen while (cpu_range != NULL) { 319cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen start = end = 0; 320cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen matched = sscanf(cpu_range, "%u-%u", &start, &end); 321cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_range = strtok(NULL, ","); 322cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (start >= CPU_SETSIZE) { 323cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("parse_cpuset_cpus: ignoring CPU number larger than %d.", CPU_SETSIZE); 324cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen continue; 325cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else if (end >= CPU_SETSIZE) { 326cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("parse_cpuset_cpus: ignoring CPU numbers larger than %d.", CPU_SETSIZE); 327cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen end = CPU_SETSIZE - 1; 328cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 329cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (matched == 1) { 330cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_SET(start, cpu_set); 331cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else if (matched == 2) { 332cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen for (i = start; i <= end; i++) { 333cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_SET(i, cpu_set); 334cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 335cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else { 336cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("Failed to match cpus"); 337cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 338cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 339cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 340cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 341cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 342cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** 343cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * Stores the CPUs assigned to the cpuset corresponding to the 344cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * SchedPolicy in the passed in cpu_set. 345cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 346cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenstatic void get_cpuset_cores_for_policy(SchedPolicy policy, cpu_set_t *cpu_set) 347cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen{ 348cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen FILE *file; 349cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen const char *filename; 350cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 351cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen CPU_ZERO(cpu_set); 352cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 353cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen switch (policy) { 354cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_BACKGROUND: 355cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/background/cpus"; 356cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 357cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_FOREGROUND: 358cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_AUDIO_APP: 359cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_AUDIO_SYS: 36073a7800f4a854ea179059f09f268c9e51bfd313bGlenn Kasten case SP_RT_APP: 361cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/foreground/cpus"; 362cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 363cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen case SP_TOP_APP: 364cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = "/dev/cpuset/top-app/cpus"; 365cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen break; 366cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen default: 367cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen filename = NULL; 368cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 369cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 370cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (!filename) return; 371cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 372cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen file = fopen(filename, "re"); 373cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (file != NULL) { 374cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen // Parse cpus string 375cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen char *line = NULL; 376cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen size_t len = 0; 377cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ssize_t num_read = getline(&line, &len, file); 378cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen fclose (file); 379cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (num_read > 0) { 380cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen parse_cpuset_cpus(line, cpu_set); 381cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } else { 382cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen ALOGE("Failed to read %s", filename); 383cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 384cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen free(line); 385cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 386cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 387cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 388cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 389cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 390cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen/** 391cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * Determine CPU cores exclusively assigned to the 392cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * cpuset corresponding to the SchedPolicy and store 393cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen * them in the passed in cpu_set_t 394cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen */ 395cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenenvoid get_exclusive_cpuset_cores(SchedPolicy policy, cpu_set_t *cpu_set) { 396d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if (cpusets_enabled()) { 397d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen int i; 398d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen cpu_set_t tmp_set; 399d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen get_cpuset_cores_for_policy(policy, cpu_set); 400d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen for (i = 0; i < SP_CNT; i++) { 401d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen if ((SchedPolicy) i == policy) continue; 402d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen get_cpuset_cores_for_policy((SchedPolicy)i, &tmp_set); 403d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen // First get cores exclusive to one set or the other 404d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen CPU_XOR(&tmp_set, cpu_set, &tmp_set); 405d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen // Then get the ones only in cpu_set 406d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen CPU_AND(cpu_set, cpu_set, &tmp_set); 407d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen } 408d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen } else { 409d34fac541a5a541b4207ee9cdbcc5005b5fa848cIsaac Chen CPU_ZERO(cpu_set); 410cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 411cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return; 412cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 413cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 414cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn CoenenjintArray android_os_Process_getExclusiveCores(JNIEnv* env, jobject clazz) { 415cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen SchedPolicy sp; 416cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_set_t cpu_set; 417cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jintArray cpus; 418cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int pid = getpid(); 419cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (get_sched_policy(pid, &sp) != 0) { 4204c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, errno, pid); 421cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return NULL; 422cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 423cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen get_exclusive_cpuset_cores(sp, &cpu_set); 424cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int num_cpus = CPU_COUNT(&cpu_set); 425cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpus = env->NewIntArray(num_cpus); 426cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (cpus == NULL) { 427cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 428cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return NULL; 429cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 430cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 431cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen jint* cpu_elements = env->GetIntArrayElements(cpus, 0); 432cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen int count = 0; 433cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen for (int i = 0; i < CPU_SETSIZE && count < num_cpus; i++) { 434cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen if (CPU_ISSET(i, &cpu_set)) { 435cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen cpu_elements[count++] = i; 436cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 437cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen } 438cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 439cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen env->ReleaseIntArrayElements(cpus, cpu_elements, 0); 440cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen return cpus; 441cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen} 442cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen 443160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 444160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 445160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 446160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 44706451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, gettid()); 448160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 449160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 450160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 451160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 452160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 453160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 454160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 455160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 456160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 457160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 458160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 459160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 4601b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharanjint android_os_Process_getThreadScheduler(JNIEnv* env, jclass clazz, 4611b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan jint tid) 4621b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan{ 4631b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan int policy = 0; 4641b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan// linux has sched_getscheduler(), others don't. 4651b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan#if defined(__linux__) 4661b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan errno = 0; 4671b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan policy = sched_getscheduler(tid); 4681b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan if (errno != 0) { 4694c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, errno, tid); 4701b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan } 4711b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan#else 4724c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, ENOSYS, tid); 4731b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan#endif 4741b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan return policy; 4751b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan} 4761b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan 4776793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 4786793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 4796793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 48065b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui// linux has sched_setscheduler(), others don't. 48165b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui#if defined(__linux__) 4826793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 4836793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 4846793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 4856793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 4864c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, errno, tid); 4876793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 488cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 4894c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, ENOSYS, tid); 490cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 4916793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 4926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 496160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 497160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 498160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 499160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 50006451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes if (pid == gettid()) { 501160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 502160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 5033762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 504160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 505160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 506160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 507160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 508160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 509160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 510160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 511887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 512887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 513887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 5144c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, errno, pid); 515887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 5164c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForGroupError(env, errno, pid); 517887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 520c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 52706451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes android_os_Process_setThreadPriority(env, clazz, gettid(), pri); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 5364c0c4df7cfa0b4228ef547aa940674393cb2ab77Ruben Brunk signalExceptionForPriorityError(env, errno, pid); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 538c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5425534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 5435534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 5445534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 5455534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 5465534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5475534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 5485534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 5495534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 5505534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 5515534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5525534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5535534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 5545534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 5555534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 5565534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5575534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 558422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich int fd = open(text, O_WRONLY | O_CLOEXEC); 5595534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 560c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn sprintf(text, "%" PRId32, pid); 5615534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 5625534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 5635534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 5645534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5655534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 5665534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 5675534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 57169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 5786698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert name8 = String8(reinterpret_cast<const char16_t*>(str), 5796698749dd4d4d6513b26aa9071af290b956b68a7Dan Albert env->GetStringLength(name)); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 583342c7dcd022746c25dc202230a6a9390c403062fDmitriy Filchenko if (!name8.isEmpty()) { 584f5b6e5590e0a2c1be10bc0bd0a3b141256fdf7fdDmitriy Filchenko AndroidRuntime::getRuntime()->setArgv0(name8.string(), true /* setProcName */); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 600c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 604c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 606422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich int fd = open("/proc/meminfo", O_RDONLY | O_CLOEXEC); 60769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 6098564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 613e17b445b6c813f6f9bc93a5e3811128a197ef50bDianne Hackborn char buffer[2048]; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 61669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 6188564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 623c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 6240bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 62569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 62759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6400bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 65359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 65459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 655c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 65659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 65759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 65859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 65959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 66059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 66159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 662c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 66359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 66459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 66559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6696215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 67069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 67269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 68269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 69169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 6966215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 69869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 70469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 70869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 71369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 714c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Clearing %" PRId32 " sizes", count); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 71869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 719422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich int fd = open(file.string(), O_RDONLY | O_CLOEXEC); 72069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 722e17b445b6c813f6f9bc93a5e3811128a197ef50bDianne Hackborn const size_t BUFFER_SIZE = 4096; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 72669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 7288564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 73269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 73469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 7386215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 743add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 753c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7708564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 77269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7736215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 78169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 78469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 79269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 79469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 80769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 81669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 8196215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 83769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 84169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 84369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 84769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 85269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 85669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 86613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 8674de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn PROC_CHAR = 0x800, 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 873c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 87469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 875c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 87769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 88269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 903c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 90569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 90769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 90913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9123b1e22e2898e27fe486ac4137692e0f20166e13eBernhard Rosenkränzer } else if ((mode&PROC_QUOTES) != 0) { 91313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 91413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 91513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 91613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 91713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 921c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 9220f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 9230f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Ran off end of data @%d", i); 9240f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 92869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 931c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 93613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 93713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 93813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 93913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 94013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 94113ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 943c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 94969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 950c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 953c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 95869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 959c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); 96069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 9694de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn if ((mode&PROC_CHAR) != 0) { 9704de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn // Caller wants single first character returned as one long. 9714de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn longsData[di] = buffer[start]; 9724de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn } else { 9734de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn char* end; 9744de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn longsData[di] = strtoll(buffer+start, &end, 10); 9754de5a3ac6655f76b67af38712ae5aeb6d7c15938Dianne Hackborn } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 98569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 99369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 997c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 99869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 999c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 1000c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 1001c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 1002c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 100369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 100469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 1005c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 100669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1007c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 100869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1009c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 1010c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 1011c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 1012c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 1013c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 1014c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 1015c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 1016c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 101769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1018c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1019c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1020c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 1021c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 1022c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 1023c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1024c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1025c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1026422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich int fd = open(file8, O_RDONLY | O_CLOEXEC); 102769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1028c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 10290f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 10300f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Unable to open process file: %s\n", file8); 10310f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 1032306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 1033c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1034c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1035306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 103669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1037c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 1038c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 1039c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 104069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1041c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 10420f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe if (kDebugProc) { 10430f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 10440f0b4919667f418b249c497f5ad3e83fdf4437e5Andreas Gampe } 1045c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 1046c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 1047c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 104869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 104969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 1050c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 105169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1052c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 1053c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 105869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 1068c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1073906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 1074906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 1075906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 1076906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 1077906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 1078906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 1079906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 108569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 108869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 108969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10966c51810b2b64e1a26ee89f8ba1dd7000a936b6cfDaniel Colascione UniqueFile file = OpenSmapsOrRollup(pid); 10976c51810b2b64e1a26ee89f8ba1dd7000a936b6cfDaniel Colascione if (file == nullptr) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 11046c51810b2b64e1a26ee89f8ba1dd7000a936b6cfDaniel Colascione while (fgets(line, sizeof(line), file.get())) { 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 1106c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn if (sscanf(line, "Pss: %" SCNd64 " kB", &v) == 1) { 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1115f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 1116f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 1117f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 1118f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 1119f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 1120f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1121f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1122f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1123f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 1124f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1125f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 1126f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1127f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 1128f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 1129f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 1130f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 1131f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 1132f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 1133f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1134f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1135f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 1136f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 1137f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 1138f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 1139f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1140f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1141f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1142f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1143f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 1144f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1145f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 1146f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 1147f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 1148f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1149f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1150f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1151f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 1152f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 1153f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 1154f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 1155f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1156f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 1157f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 1158f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 1159f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1160422dd00fa31b6e9f12993eba44d4ae6ed8285882Nick Kralevich int fd = open(path, O_RDONLY | O_CLOEXEC); 1161f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 1162f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 1163f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1164f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 1165f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 1166f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1167f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 1168f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 1169f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1170f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 1171f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1172f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 1173f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 1174f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 1175f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1176f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1177f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1178f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1179f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 1180f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 1181f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 1182f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1183f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1184f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1185f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1186f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1187f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 1188f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1189f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 1190f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 1191f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1192f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1193f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1194f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1195f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1196f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1197f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1198f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1199f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1200f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1201f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 12020769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossjint android_os_Process_killProcessGroup(JNIEnv* env, jobject clazz, jint uid, jint pid) 12030769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 12040769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return killProcessGroup(uid, pid, SIGKILL); 12050769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 12060769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 12070769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossvoid android_os_Process_removeAllProcessGroups(JNIEnv* env, jobject clazz) 12080769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 12090769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return removeAllProcessGroups(); 12100769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 12110769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 12166793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1217160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 12201b15d13243d7e7f672713f21f0c46d88c3c067a2Srinath Sridharan {"getThreadScheduler", "(I)I", (void*)android_os_Process_getThreadScheduler}, 1221e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 1222474d311cb098e86c078c3f615e1161e2854f1847Joel Fernandes {"setThreadGroupAndCpuset", "(II)V", (void*)android_os_Process_setThreadGroupAndCpuset}, 12239e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 12249e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 1225cd4bdf3eb91c1cc2757d32a86fc90745d0dff990Martijn Coenen {"getExclusiveCores", "()[I", (void*)android_os_Process_getExclusiveCores}, 12265534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1231906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 12320bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 123359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1237c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1240f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 12420769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"killProcessGroup", "(II)I", (void*)android_os_Process_killProcessGroup}, 12430769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"removeAllProcessGroups", "()V", (void*)android_os_Process_removeAllProcessGroups}, 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1248ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie(env, "android/os/Process", methods, NELEM(methods)); 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1250