android_util_Process.cpp revision a23fcd7be8e40078a913b1a99222cdd89229e67b
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> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/errno.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 365534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand#include <sys/stat.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 426af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 45160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 46a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 50160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 51160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 52160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 53160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 54f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 55f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 566793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 776793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 78e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 79e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 80e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 160f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 161e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 162f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s tid=%d grp=%d", __func__, tid, grp); 163f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 164f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 165887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 166f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 167e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 168e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 169e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 17069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1713e458241d9930465a20a861ecb42744355d48e48San Mehat{ 172f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s pid=%d grp=%d", __func__, pid, grp); 1733e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1743e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1753e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1763e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1773e458241d9930465a20a861ecb42744355d48e48San Mehat 178f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1796793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1803e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1813e458241d9930465a20a861ecb42744355d48e48San Mehat } 1823e458241d9930465a20a861ecb42744355d48e48San Mehat 183f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 184f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 185f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 186f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 187f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 188f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 189f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 190a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 191a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 192a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 193a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 194a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 195a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 196a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 197a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 198a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 199a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 200a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 201a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 202a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 20369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 204f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2055baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 206a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2075baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 208a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 209a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2103e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2113e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2121fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2131fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2146793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2153e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2163e458241d9930465a20a861ecb42744355d48e48San Mehat } 2173e458241d9930465a20a861ecb42744355d48e48San Mehat 2183e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2197e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2207e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2217e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2223e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2233e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2247e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2257e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2267e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2273762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2287e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2301fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 23107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 23207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 23307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 23407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 23507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 23607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 23707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 23807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 23907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2407e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 24107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 242f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 243f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 244f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 245f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2467e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 24769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 248f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 249f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 250f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2510a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 252242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2533e458241d9930465a20a861ecb42744355d48e48San Mehat } 2543e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2553e458241d9930465a20a861ecb42744355d48e48San Mehat} 2563e458241d9930465a20a861ecb42744355d48e48San Mehat 2579e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2589e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2599e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2609e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2619e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2629e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2639e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2649e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2659e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 266160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 267160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 268160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 269160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 27071f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 271160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2836793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2846793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2856793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 286cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 2876793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2896793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2906793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2916793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 293cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 294cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 295cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 2966793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 2976793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 301160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 302160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 303160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 304160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 305160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3083762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 309160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 310160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 311160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 313160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 314160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 315160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 316887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 317887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 318887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3196793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 320887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3216793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 322887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3256215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Setting priority of %d: %d, getpriority returns %d\n", 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3326d4b1e24aef5b74b40de4d8f6e63c21874ce8e3aElliott Hughes android_os_Process_setThreadPriority(env, clazz, androidGetTid(), pri); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3416793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3436215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Returning priority of %d: %d\n", pid, pri); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 35110e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown char text[64]; 35210e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "/proc/%d/oom_adj", pid); 35310e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown int fd = open(text, O_WRONLY); 35410e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown if (fd >= 0) { 35510e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "%d", adj); 35610e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown write(fd, text, strlen(text)); 35710e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown close(fd); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35910e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown return true; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3645534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 3655534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 3665534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 3675534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 3685534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3695534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 3705534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 3715534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 3725534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 3735534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3745534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3755534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 3765534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 3775534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 3785534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3795534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3805534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 3815534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 3825534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand sprintf(text, "%d", pid); 3835534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 3845534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 3855534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3865534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3875534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 3885534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 3895534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 39369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 405a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath const char* procName = name8.string(); 406a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath set_process_name(procName); 407a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath AndroidRuntime::getRuntime()->setArgv0(procName); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4236215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 427c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 43069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4328564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 43969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4418564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 446c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 4470bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 44869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 45059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4630bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 47659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 47759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 478c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 47959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 48059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 48159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 48259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 48359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 48459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 485c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 48659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 48759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 48859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4926215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 49369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 49569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 50569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 51469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 5196215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 52169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5376215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Clearing %d sizes", count); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 54369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 54969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5518564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 55569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 55769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5616215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 566add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5766215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %s = %d", field.string(), sizesArray[i]); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5938564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5966215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 60469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 61569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 61769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 63069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 63969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6426215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 66669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 68913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 695c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 69669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 697c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 69969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 70469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 725c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 72769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 72969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 73113ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 73413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES != 0)) { 73513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 73613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 73713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 73813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 73913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 743c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 74769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 750c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 75513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 75613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 75713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 75813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 75913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 76013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 762c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 772c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 77769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7786215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 77969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 811c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 81269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 813c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 814c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 81769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 81869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 819c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 82069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 821c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 82269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 823c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 824c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 825c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 826c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 827c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 828c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 829c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 830c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 83169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 832c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 833c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 834c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 835c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 836c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 837c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 838c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 839c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 840c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 841c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 84269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 843c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 8448564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s\n", file8); 845c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 846c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 84769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 848c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 849c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 850c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 85169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 852c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 8538564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 854c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 855c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 856c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 85769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 85869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 859c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 86069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 861c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 862c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 86769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8776215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 882906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 883906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 884906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 885906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 886906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 887906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 888906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 89469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 89769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 89869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 930f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 931f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 932f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 933f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 934f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 935f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 936f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 937f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 938f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 939f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 940f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 941f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 942f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 943f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 944f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 945f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 946f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 947f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 948f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 949f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 950f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 951f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 952f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 953f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 954f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 955f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 956f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 957f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 958f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 959f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 960f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 961f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 962f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 963f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 964f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 965f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 966f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 967f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 968f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 969f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 970f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 971f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 972f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 973f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 974f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 975f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 976f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 977f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 978f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 979f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 980f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 981f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 982f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 983f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 984f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 985f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 986f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 987f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 988f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 989f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 990f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 991f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 992f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 993f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 994f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 995f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 996f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 997f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 998f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 999f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1000f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1001f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1002f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 1003f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1004f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 1005f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 1006f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1007f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1008f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1009f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1010f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1011f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1012f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1013f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1014f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1015f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1016f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 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}, 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 10295534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1034906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 10350bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 103659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1040c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1043f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1055