android_util_Process.cpp revision c6a410164e1fd728cf7873493baacca7bc29548d
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 <dirent.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 36c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <inttypes.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 39c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/errno.h> 40c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/resource.h> 41c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/stat.h> 42c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn#include <sys/types.h> 436af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 46160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 47a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 51160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 52160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 53160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 54160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 55f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 56f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 576793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 786793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 79e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 80e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 161f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 162e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 163c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 164f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 165f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 166887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 167f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 168e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 169e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 170e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 17169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1723e458241d9930465a20a861ecb42744355d48e48San Mehat{ 173c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); 1743e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1753e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1763e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1773e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1783e458241d9930465a20a861ecb42744355d48e48San Mehat 179f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1806793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1813e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1823e458241d9930465a20a861ecb42744355d48e48San Mehat } 1833e458241d9930465a20a861ecb42744355d48e48San Mehat 184f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 185f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 186f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 187f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 188f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 189f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 190f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 191a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 192a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 193a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 194a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 195a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 196a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 197a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 198a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 199a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 200a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 201a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 202a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 203a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 20469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 205f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2065baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 207a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2085baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 209a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 210a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2113e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2123e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2131fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2141fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2156793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2163e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2173e458241d9930465a20a861ecb42744355d48e48San Mehat } 2183e458241d9930465a20a861ecb42744355d48e48San Mehat 2193e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2207e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2217e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2227e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2233e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2243e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2257e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2267e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2277e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2283762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2307e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2311fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 23207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 23307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 23407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 23507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 23607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 23707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 23807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 23907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 24007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2417e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 24207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 243f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 244f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 245f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 246f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2477e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 24869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 249f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 250f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 251f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2520a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 253242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2543e458241d9930465a20a861ecb42744355d48e48San Mehat } 2553e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2563e458241d9930465a20a861ecb42744355d48e48San Mehat} 2573e458241d9930465a20a861ecb42744355d48e48San Mehat 2589e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2599e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2609e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2619e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2629e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2639e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2649e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2659e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2669e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 267160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 268160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 269160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 270160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 27171f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 283160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2846793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2856793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2866793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 287cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2896793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2906793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2916793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 294cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 295cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 296cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 2976793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 2986793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 302160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 303160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 304160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 305160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 308160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3093762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 310160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 311160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 313160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 314160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 315160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 316160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 317887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 318887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 319887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3206793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 321887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3226793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 323887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 326c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3336d4b1e24aef5b74b40de4d8f6e63c21874ce8e3aElliott Hughes android_os_Process_setThreadPriority(env, clazz, androidGetTid(), pri); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3426793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 344c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 35210e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown char text[64]; 35310e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "/proc/%d/oom_adj", pid); 35410e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown int fd = open(text, O_WRONLY); 35510e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown if (fd >= 0) { 35610e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "%d", adj); 35710e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown write(fd, text, strlen(text)); 35810e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown close(fd); 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36010e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown return true; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3655534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 3665534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 3675534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 3685534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 3695534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3705534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 3715534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 3725534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 3735534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 3745534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3755534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3765534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 3775534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 3785534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 3795534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3805534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3815534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 3825534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 383c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn sprintf(text, "%" PRId32, pid); 3845534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 3855534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 3865534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3875534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3885534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 3895534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 3905534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 39469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 39769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 406a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath const char* procName = name8.string(); 407a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath set_process_name(procName); 408a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath AndroidRuntime::getRuntime()->setArgv0(procName); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 424c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 428c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 43169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4338564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 43669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 44069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4428564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 447c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 4480bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 44969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 45159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4640bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 47759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 47859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 479c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 48059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 48159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 48259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 48359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 48459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 48559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 486c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 48759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 48859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 48959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4936215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 49469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 49669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 50669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 51569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 5206215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 52269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 52869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 53769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 538c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Clearing %" PRId32 " sizes", count); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 54469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 55069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5528564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 55669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 55869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5626215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 567add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 577c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5948564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5976215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 60569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 61669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 61869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 63169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 64069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6436215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 66769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 69013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 696c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 69769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 698c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 70069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 70569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 726c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 72869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 73069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 73213ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 73513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES != 0)) { 73613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 73713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 73813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 73913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 74013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 744c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 74869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 751c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 75613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 75713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 75813ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 75913ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 76013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 76113ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 763c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 773c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 77869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 779c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); 78069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 812c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 81369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 814c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 817c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 81869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 81969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 820c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 82169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 822c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 82369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 824c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 825c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 826c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 827c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 828c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 829c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 830c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 831c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 83269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 833c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 834c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 835c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 836c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 837c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 838c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 839c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 840c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 841c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 842c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 84369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 844c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 8458564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s\n", file8); 846c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 847c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 84869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 849c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 850c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 851c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 85269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 853c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 8548564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 855c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 856c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 857c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 85869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 85969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 860c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 86169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 862c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 863c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 86869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 878c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 883906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 884906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 885906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 886906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 887906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 888906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 889906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 89569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 89869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 89969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 908c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn snprintf(filename, sizeof(filename), "/proc/%" PRId32 "/smaps", pid); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 920c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn if (sscanf(line, "Pss: %" SCNd64 " kB", &v) == 1) { 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 931f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 932f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 933f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 934f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 935f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 936f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 937f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 938f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 939f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 940f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 941f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 942f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 943f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 944f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 945f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 946f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 947f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 948f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 949f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 950f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 951f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 952f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 953f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 954f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 955f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 956f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 957f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 958f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 959f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 960f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 961f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 962f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 963f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 964f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 965f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 966f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 967f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 968f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 969f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 970f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 971f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 972f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 973f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 974f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 975f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 976f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 977f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 978f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 979f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 980f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 981f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 982f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 983f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 984f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 985f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 986f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 987f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 988f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 989f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 990f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 991f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 992f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 993f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 994f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 995f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 996f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 997f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 998f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 999f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1000f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1001f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1002f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1003f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 1004f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1005f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 1006f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 1007f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 1008f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 1009f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1010f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1011f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 1012f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1013f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1014f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1015f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1016f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1017f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 10226793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1023160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 1026e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 10279e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 10289e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 10305534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1035906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 10360bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 103759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1041c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1044f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1056