android_util_Process.cpp revision 5534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8
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 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 210795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 220795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/ProcessState.h> 230795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IServiceManager.h> 24f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten#include <cutils/sched_policy.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/errno.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 365534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand#include <sys/stat.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 426af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 45160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 46a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 50160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 51160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 52160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 53160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 54f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 55f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 566793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 776793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 78e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 79e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 80e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myPid(JNIEnv* env, jobject clazz) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10380b12fcaaec458377d966803c3a61504f0897ea1Romain Guyjint android_os_Process_myPpid(JNIEnv* env, jobject clazz) 10480b12fcaaec458377d966803c3a61504f0897ea1Romain Guy{ 10580b12fcaaec458377d966803c3a61504f0897ea1Romain Guy return getppid(); 10680b12fcaaec458377d966803c3a61504f0897ea1Romain Guy} 10780b12fcaaec458377d966803c3a61504f0897ea1Romain Guy 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myUid(JNIEnv* env, jobject clazz) 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getuid(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myTid(JNIEnv* env, jobject clazz) 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 115887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn return androidGetTid(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 12169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 15269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 180f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 181e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 182f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s tid=%d grp=%d", __func__, tid, grp); 183f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 184f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 185887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 186f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 187e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 188e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 189e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 19069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1913e458241d9930465a20a861ecb42744355d48e48San Mehat{ 192f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s pid=%d grp=%d", __func__, pid, grp); 1933e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1943e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1953e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1963e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1973e458241d9930465a20a861ecb42744355d48e48San Mehat 198f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1996793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 2003e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2013e458241d9930465a20a861ecb42744355d48e48San Mehat } 2023e458241d9930465a20a861ecb42744355d48e48San Mehat 203f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 204f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 205f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 206f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 207f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 208f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 209f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 210a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 211a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 212a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 213a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 214a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 215a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 216a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 217a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 218a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 219a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 220a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 221a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 222a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 22369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 224f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2255baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 226a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2275baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 228a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 229a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2303e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2313e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2321fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2331fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2346793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2353e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2363e458241d9930465a20a861ecb42744355d48e48San Mehat } 2373e458241d9930465a20a861ecb42744355d48e48San Mehat 2383e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2397e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2407e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2417e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2423e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2433e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2447e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2457e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2467e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2473762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2487e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2497e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2501fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 25107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 25207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 25307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 25407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 25507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 25607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 25707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 25807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 25907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2607e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 26107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 262f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 263f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 264f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 265f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2667e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 26769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 268f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 269f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 270f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2710a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 272242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2733e458241d9930465a20a861ecb42744355d48e48San Mehat } 2743e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2753e458241d9930465a20a861ecb42744355d48e48San Mehat} 2763e458241d9930465a20a861ecb42744355d48e48San Mehat 2779e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2789e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2799e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2809e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2819e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2829e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2839e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2849e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2859e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 286160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 287160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 288160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 289160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 29071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 291160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 292160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 293160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 294160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 295160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 296160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 297160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 298160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 299160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 300160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 301160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 302160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 3036793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 3046793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 3056793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 306cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 3076793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 3086793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 3096793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 3106793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 3116793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3126793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 313cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 314cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 315cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 3166793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 3176793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 321160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 322160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 323160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 324160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 325160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 326160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 327160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3283762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 329160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 330160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 331160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 332160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 333160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 334160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 335160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 336887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 337887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 338887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3396793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 340887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3416793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 342887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3456215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Setting priority of %d: %d, getpriority returns %d\n", 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3626793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3646215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Returning priority of %d: %d\n", pid, pri); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 37210e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown char text[64]; 37310e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "/proc/%d/oom_adj", pid); 37410e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown int fd = open(text, O_WRONLY); 37510e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown if (fd >= 0) { 37610e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "%d", adj); 37710e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown write(fd, text, strlen(text)); 37810e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown close(fd); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38010e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown return true; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3855534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 3865534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 3875534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 3885534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 3895534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3905534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 3915534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 3925534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 3935534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 3945534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3955534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3965534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 3975534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 3985534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 3995534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 4005534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 4015534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 4025534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 4035534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand sprintf(text, "%d", pid); 4045534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 4055534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 4065534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 4075534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 4085534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 4095534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 4105534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 41469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4426215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong getFreeMemoryImpl(const char* const sums[], const int sumsLen[], int num) 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 44969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4518564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 45869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4608564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 4660bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 46769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 46959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4820bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 49559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 49659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 49759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 49859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 49959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 50059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 50159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 50259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 50359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 50459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const int sumsLen[] = { strlen("MemTotal:"), 0 }; 50559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 50659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 50759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5116215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 51269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 51469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 52469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 53369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 5386215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 54069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 54669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5566215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Clearing %d sizes", count); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 56269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 56869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5708564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 57469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 57669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5806215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 585add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5956215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %s = %d", field.string(), sizesArray[i]); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6128564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6156215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 62369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 63469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 63669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 64969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 65869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6616215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 68569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 70813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 714c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 71569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 716c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 71869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 72369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 744c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 74669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 74869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 75013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 75313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES != 0)) { 75413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 75513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 75613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 75713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 75813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 762c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 77413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 77513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 77613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 77713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 77813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 77913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 78769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 788c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 791c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7976215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 79869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 81869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 82669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 830c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 83169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 832c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 833c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 834c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 835c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 83669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 83769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 838c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 83969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 840c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 84169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 842c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 843c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 844c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 845c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 846c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 847c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 848c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 849c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 85069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 851c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 852c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 853c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 854c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 855c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 856c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 857c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 858c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 859c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 860c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 86169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 862c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 8638564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s\n", file8); 864c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 865c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 86669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 867c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 868c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 869c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 87069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 871c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 8728564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 873c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 874c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 875c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 87669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 87769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 878c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 87969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 880c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 881c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 88669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8966215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 901906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 902906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 903906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 904906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 905906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 906906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 907906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 91369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 91669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 91769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 950f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 951f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 952f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 953f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 954f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 955f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 956f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 957f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 958f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 959f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 960f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 961f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 962f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 963f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 964f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 965f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 966f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 967f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 968f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 969f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 970f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 971f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 972f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 973f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 974f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 975f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 976f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 977f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 978f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 979f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 980f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 981f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 982f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 983f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 984f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 985f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 986f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 987f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 988f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 989f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 990f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 991f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 992f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 993f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 994f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 995f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 996f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 997f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 998f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 999f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 1000f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1001f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 1002f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 1003f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1004f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 1005f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1006f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 1007f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 1008f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 1009f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1010f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1011f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1012f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1013f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 1014f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 1015f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 1016f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 1017f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1018f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1019f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1020f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1021f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 1022f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1023f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 1024f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 1025f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1026f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1027f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1028f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1029f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1030f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1031f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1032f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1033f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1034f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1035f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 103880b12fcaaec458377d966803c3a61504f0897ea1Romain Guy {"myPpid", "()I", (void*)android_os_Process_myPpid}, 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 10446793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1045160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 1048e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 10499e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 10509e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 10525534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1057906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 10580bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 105959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1063c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1066f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1078