android_util_Process.cpp revision 65b4a68669227a57696e0e7ed1e4ef8da2705d9e
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/IServiceManager.h> 23a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath#include <cutils/process_name.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> 270769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross#include <processgroup/processgroup.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 37c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <inttypes.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 40c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/errno.h> 41c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/resource.h> 42c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/stat.h> 43c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/types.h> 446af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 47160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 48a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 49306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn#define DEBUG_PROC(x) //x 50306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 54160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 55160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 56160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 57160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 58f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 59f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 606793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 816793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 101e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 164f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 165e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 166c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 167f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 168f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 169887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 170f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 171e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 172e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 173e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 17469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1753e458241d9930465a20a861ecb42744355d48e48San Mehat{ 176c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); 1773e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1783e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1793e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1803e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1813e458241d9930465a20a861ecb42744355d48e48San Mehat 182f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1836793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1843e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1853e458241d9930465a20a861ecb42744355d48e48San Mehat } 1863e458241d9930465a20a861ecb42744355d48e48San Mehat 187f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 188f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 189f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 190f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 191f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 192f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 193f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 194a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 195a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 196a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 197a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 198a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 199a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 200a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 201a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 202a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 203a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 204a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 205a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 206a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 20769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 208f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2095baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 210a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2115baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 212a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 213a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2143e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2153e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2161fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2171fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2186793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2193e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2203e458241d9930465a20a861ecb42744355d48e48San Mehat } 2213e458241d9930465a20a861ecb42744355d48e48San Mehat 2223e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2237e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2247e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2257e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2263e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2273e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2287e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2307e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2313762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2327e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2337e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2341fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 23507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 23607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 23707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 23807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 23907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 24007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 24107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 24207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 24307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2447e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 24507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 246f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 247f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 248f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 249f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2507e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 25169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 252f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 253f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 254f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2550a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 256242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2573e458241d9930465a20a861ecb42744355d48e48San Mehat } 2583e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2593e458241d9930465a20a861ecb42744355d48e48San Mehat} 2603e458241d9930465a20a861ecb42744355d48e48San Mehat 2619e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2629e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2639e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2649e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2659e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2669e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2679e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2689e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2699e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 270160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 271160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 27406451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, gettid()); 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 283160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 284160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 285160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 286160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2876793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2896793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 29065b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui// linux has sched_setscheduler(), others don't. 29165b4a68669227a57696e0e7ed1e4ef8da2705d9eYabin Cui#if defined(__linux__) 2926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2946793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2956793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2966793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2976793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 298cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 299cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 300cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 3016793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 3026793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 308160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 309160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 31006451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes if (pid == gettid()) { 311160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3133762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 314160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 315160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 316160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 317160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 318160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 319160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 320160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 321887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 322887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 323887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3246793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 325887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3266793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 327887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 330c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 33706451fe081d5ae79121a6f301475c7042f7f3a5dElliott Hughes android_os_Process_setThreadPriority(env, clazz, gettid(), pri); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3466793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 348c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3525534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 3535534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 3545534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 3555534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 3565534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3575534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 3585534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 3595534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 3605534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 3615534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3625534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3635534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 3645534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 3655534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 3665534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3675534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3685534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 3695534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 370c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn sprintf(text, "%" PRId32, pid); 3715534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 3725534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 3735534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3745534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3755534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 3765534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 3775534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 38169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 393a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath const char* procName = name8.string(); 394a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath set_process_name(procName); 395a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath AndroidRuntime::getRuntime()->setArgv0(procName); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 411c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 415c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 41869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4208564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 42769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4298564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 434c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 4350bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 43669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 43859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4510bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 46459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 46559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 466c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 46759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 46859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 46959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 47059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 47159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 47259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 473c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 47459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 47559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 47659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4806215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 48169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 48369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 49369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 50269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 5076215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 50969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 51569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 525c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Clearing %" PRId32 " sizes", count); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 53169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 53769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5398564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 54369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 54569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5496215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 554add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 564c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5818564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5846215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 59269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 60369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 60569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 61869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 62769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6306215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 65469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 67713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 683c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 68469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 685c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 68769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 69269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 713c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 71569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 71769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 71913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 72213ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES != 0)) { 72313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 72413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 72513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 72613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 72713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 731c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 732306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Ran off end of data @%d", i)); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 73669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 739c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 74413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 74513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 74613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 74713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 74813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 74913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 751c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 758c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 761c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 767c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); 76869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 78869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 800c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 80169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 802c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 803c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 804c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 805c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 80669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 80769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 808c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 80969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 810c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 81169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 812c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 813c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 814c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 817c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 818c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 819c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 82069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 821c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 822c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 823c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 824c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 825c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 826c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 827c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 828c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 829c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 83069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 831c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 832306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Unable to open process file: %s\n", file8)); 833306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 834c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 835c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 836306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 83769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 838c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 839c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 840c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 84169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 842c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 843306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Unable to open process file: %s fd=%d\n", file8, fd)); 844c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 845c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 846c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 84769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 84869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 849c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 85069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 851c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 852c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 85769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 867c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 872906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 873906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 874906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 875906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 876906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 877906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 878906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 88469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 88769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 88869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 897c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn snprintf(filename, sizeof(filename), "/proc/%" PRId32 "/smaps", pid); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 909c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn if (sscanf(line, "Pss: %" SCNd64 " kB", &v) == 1) { 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 920f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 921f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 922f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 923f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 924f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 925f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 926f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 927f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 928f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 929f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 930f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 931f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 932f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 933f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 934f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 935f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 936f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 937f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 938f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 939f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 940f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 941f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 942f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 943f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 944f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 945f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 946f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 947f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 948f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 949f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 950f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 951f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 952f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 953f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 954f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 955f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 956f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 957f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 958f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 959f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 960f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 961f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 962f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 963f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 964f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 965f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 966f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 967f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 968f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 969f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 970f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 971f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 972f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 973f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 974f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 975f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 976f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 977f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 978f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 979f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 980f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 981f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 982f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 983f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 984f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 985f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 986f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 987f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 988f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 989f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 990f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 991f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 992f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 993f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 994f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 995f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 996f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 997f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 998f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 999f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1000f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1001f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1002f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1003f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1004f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1005f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1006f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 10070769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossjint android_os_Process_killProcessGroup(JNIEnv* env, jobject clazz, jint uid, jint pid) 10080769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 10090769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return killProcessGroup(uid, pid, SIGKILL); 10100769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 10110769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 10120769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Crossvoid android_os_Process_removeAllProcessGroups(JNIEnv* env, jobject clazz) 10130769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross{ 10140769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross return removeAllProcessGroups(); 10150769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross} 10160769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 10216793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1022160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 1025e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 10269e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 10279e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 10285534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1033906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 10340bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 103559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1039c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1042f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 10440769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"killProcessGroup", "(II)I", (void*)android_os_Process_killProcessGroup}, 10450769e550011d8f8a19e333efe1706ef0e6cc6a5fColin Cross {"removeAllProcessGroups", "()V", (void*)android_os_Process_removeAllProcessGroups}, 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1056