android_util_Process.cpp revision 306af678a5f1938629e1182b46cc43f2da6e7774
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 48306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn#define DEBUG_PROC(x) //x 49306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 53160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 54160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 55160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 56160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 57f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 58f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 596793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 806793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 10469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 163f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 164e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 165c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s tid=%d grp=%" PRId32, __func__, tid, grp); 166f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 167f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 168887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 169f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 170e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 171e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 172e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 17369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1743e458241d9930465a20a861ecb42744355d48e48San Mehat{ 175c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGV("%s pid=%d grp=%" PRId32, __func__, pid, grp); 1763e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1773e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1783e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1793e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1803e458241d9930465a20a861ecb42744355d48e48San Mehat 181f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1826793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1833e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1843e458241d9930465a20a861ecb42744355d48e48San Mehat } 1853e458241d9930465a20a861ecb42744355d48e48San Mehat 186f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 187f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 188f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 189f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 190f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 191f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 192f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 193a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 194a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 195a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 196a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 197a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 198a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 199a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 200a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 201a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 202a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 203a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 204a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 205a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 20669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 207f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2085baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 209a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2105baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 211a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 212a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2133e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2143e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2151fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2161fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2176793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2183e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2193e458241d9930465a20a861ecb42744355d48e48San Mehat } 2203e458241d9930465a20a861ecb42744355d48e48San Mehat 2213e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2227e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2237e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2247e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2253e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2263e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2277e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2287e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2303762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2317e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2327e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2331fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 23407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 23507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 23607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 23707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 23807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 23907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 24007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 24107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 24207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2437e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 24407b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 245f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 246f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 247f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 248f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2497e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 25069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 251f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 252f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 253f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2540a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 255242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2563e458241d9930465a20a861ecb42744355d48e48San Mehat } 2573e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2583e458241d9930465a20a861ecb42744355d48e48San Mehat} 2593e458241d9930465a20a861ecb42744355d48e48San Mehat 2609e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkeyjint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid) 2619e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey{ 2629e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey SchedPolicy sp; 2639e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey if (get_sched_policy(pid, &sp) != 0) { 2649e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey signalExceptionForGroupError(env, errno); 2659e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey } 2669e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey return (int) sp; 2679e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey} 2689e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey 269160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 270160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 271160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 27371f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 283160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 284160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 285160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2866793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2876793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 289cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 2906793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2916793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2946793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2956793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 296cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 297cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 298cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 2996793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 3006793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 304160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 305160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 308160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 309160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 310160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3113762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 313160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 314160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 315160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 316160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 317160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 318160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 319887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 320887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 321887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3226793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 323887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3246793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 325887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 328c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Setting priority of %" PRId32 ": %" PRId32 ", getpriority returns %d\n", 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3356d4b1e24aef5b74b40de4d8f6e63c21874ce8e3aElliott Hughes android_os_Process_setThreadPriority(env, clazz, androidGetTid(), pri); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3446793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 346c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Returning priority of %" PRId32 ": %" PRId32 "\n", pid, pri); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3505534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchandjboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz, 3515534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand jint pid, jboolean is_increased) 3525534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand{ 3535534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand char text[64]; 3545534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3555534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (is_increased) { 3565534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/sw/tasks"); 3575534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } else { 3585534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand strcpy(text, "/sys/fs/cgroup/memory/tasks"); 3595534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3605534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3615534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand struct stat st; 3625534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (stat(text, &st) || !S_ISREG(st.st_mode)) { 3635534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return false; 3645534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3655534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3665534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand int fd = open(text, O_WRONLY); 3675534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand if (fd >= 0) { 368c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn sprintf(text, "%" PRId32, pid); 3695534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand write(fd, text, strlen(text)); 3705534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand close(fd); 3715534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand } 3725534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3735534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand return true; 3745534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand} 3755534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 37969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 38269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 391a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath const char* procName = name8.string(); 392a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath set_process_name(procName); 393a23fcd7be8e40078a913b1a99222cdd89229e67bNarayan Kamath AndroidRuntime::getRuntime()->setArgv0(procName); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 409c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Compare %" PRId32 " vs %" PRId32 "\n", *((const jint*)v1), *((const jint*)v2)); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 413c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughesstatic jlong getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num) 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 41669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4188564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 42169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 42569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4278564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 432c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes size_t numFound = 0; 4330bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 43469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 43659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn while (*p && numFound < num) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4490bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46159325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 46259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 46359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 464c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 46559325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 2); 46659325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 46759325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 46859325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackbornstatic jlong android_os_Process_getTotalMemory(JNIEnv* env, jobject clazz) 46959325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn{ 47059325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn static const char* const sums[] = { "MemTotal:", NULL }; 471c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes static const size_t sumsLen[] = { strlen("MemTotal:"), 0 }; 47259325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn return getFreeMemoryImpl(sums, sumsLen, 1); 47359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn} 47459325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4786215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 47969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 48169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 48469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 49169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 50069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 5056215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 50769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 51369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 51769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 523c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Clearing %" PRId32 " sizes", count); 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 52769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 52969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 53569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5378564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 54169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 54369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5476215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 552add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 562c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %s = %" PRId64, field.string(), sizesArray[i]); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5798564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5826215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 59069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 60169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 60369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 60769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 61669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 62569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6286215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 65269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 65669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 66569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 67513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn PROC_QUOTES = 0x400, 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 681c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 68269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 683c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 68569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 69069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 711c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 71369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 71569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 71713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn jint mode = formatData[fi]; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 72013ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES != 0)) { 72113ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn if (buffer[i] == '"') { 72213ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 72313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else { 72413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn mode &= ~PROC_QUOTES; 72513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 729c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 730306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Ran off end of data @%d", i)); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 73469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 737c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != ')') { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 74213ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } else if ((mode&PROC_QUOTES) != 0) { 74313ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn while (buffer[i] != '"' && i < endIndex) { 74413ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 74513ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn } 74613ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn end = i; 74713ac041b9f21043bc7c848a743be618bfd7a67e9Dianne Hackborn i++; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] != term) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 756c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 759c367d48c55e5a3fa0df14fd62889e4bb6b63cb01Elliott Hughes while (i < endIndex && buffer[i] == term) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 765c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn //ALOGI("Field %" PRId32 ": %" PRId32 "-%" PRId32 " dest=%" PRId32 " mode=0x%" PRIx32 "\n", i, start, end, di, mode); 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 78669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 79469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 798c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 79969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 800c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 801c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 802c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 803c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 80469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 80569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 806c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 80769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 808c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 80969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 810c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 811c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 812c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 813c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 814c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 817c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 81869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 819c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 820c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 821c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 822c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 823c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 824c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 825c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 826c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 827c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 82869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 829c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 830306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Unable to open process file: %s\n", file8)); 831306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 832c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 833c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 834306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn env->ReleaseStringUTFChars(file, file8); 83569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 836c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 837c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 838c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 83969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 840c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 841306af678a5f1938629e1182b46cc43f2da6e7774Dianne Hackborn DEBUG_PROC(ALOGW("Unable to open process file: %s fd=%d\n", file8, fd)); 842c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 843c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 844c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 84569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 84669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 847c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 84869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 849c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 850c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 85569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 865c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn ALOGI("Sending signal. PID: %" PRId32 " SIG: %" PRId32, pid, sig); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 870906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 871906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 872906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 873906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 874906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 875906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 876906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 88269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 88569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 88669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 895c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn snprintf(filename, sizeof(filename), "/proc/%" PRId32 "/smaps", pid); 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 907c6a410164e1fd728cf7873493baacca7bc29548dMark Salyzyn if (sscanf(line, "Pss: %" SCNd64 " kB", &v) == 1) { 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 918f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne HackbornjintArray android_os_Process_getPidsForCommands(JNIEnv* env, jobject clazz, 919f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobjectArray commandNames) 920f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn{ 921f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commandNames == NULL) { 922f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, NULL); 923f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 924f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 925f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 926f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<String8> commands; 927f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 928f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jsize count = env->GetArrayLength(commandNames); 929f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 930f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<count; i++) { 931f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jobject obj = env->GetObjectArrayElement(commandNames, i); 932f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (obj != NULL) { 933f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 934f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (str8 == NULL) { 935f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 936f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 937f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 938f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn commands.add(String8(str8)); 939f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->ReleaseStringUTFChars((jstring)obj, str8); 940f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } else { 941f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowNullPointerException(env, "Element in commandNames"); 942f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 943f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 944f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 945f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 946f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn Vector<jint> pids; 947f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 948f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn DIR *proc = opendir("/proc"); 949f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (proc == NULL) { 950f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn fprintf(stderr, "/proc: %s\n", strerror(errno)); 951f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 952f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 953f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 954f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn struct dirent *d; 955f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn while ((d = readdir(proc))) { 956f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int pid = atoi(d->d_name); 957f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pid <= 0) continue; 958f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 959f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char path[PATH_MAX]; 960f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn char data[PATH_MAX]; 961f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 962f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 963f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn int fd = open(path, O_RDONLY); 964f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (fd < 0) { 965f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 966f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 967f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn const int len = read(fd, data, sizeof(data)-1); 968f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn close(fd); 969f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 970f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (len < 0) { 971f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn continue; 972f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 973f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[len] = 0; 974f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 975f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (int i=0; i<len; i++) { 976f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (data[i] == ' ') { 977f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn data[i] = 0; 978f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 979f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 980f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 981f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 982f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn for (size_t i=0; i<commands.size(); i++) { 983f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (commands[i] == data) { 984f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn pids.add(pid); 985f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn break; 986f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 987f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 988f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 989f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 990f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn closedir(proc); 991f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 992f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jintArray pidArray = env->NewIntArray(pids.size()); 993f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pidArray == NULL) { 994f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 995f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return NULL; 996f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 997f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 998f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn if (pids.size() > 0) { 999f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn env->SetIntArrayRegion(pidArray, 0, pids.size(), pids.array()); 1000f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn } 1001f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 1002f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn return pidArray; 1003f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn} 1004f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 10096793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 1010160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 1013e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 10149e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 10159e57c414f39e1a31349bc215635fdcfaf1902ceeJeff Sharkey {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup}, 10165534ba91ac0a0c9af822af62bcf92e2c5a8d6ec8Rom Lemarchand {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness}, 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 1021906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 10220bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 102359325eb31f25704bb88c348160bb69e7c1aa3b48Dianne Hackborn {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory}, 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 1027c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 1030f72467ad9843bf5d4b75fb308386e77ebb5c3447Dianne Hackborn {"getPidsForCommands", "([Ljava/lang/String;)[I", (void*)android_os_Process_getPidsForCommands}, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1042