android_util_Process.cpp revision f1b56449f58963e4f0473d5e26961f68c31759f4
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/libs/android_runtime/android_util_Process.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2006, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** Licensed under the Apache License, Version 2.0 (the "License"); 669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** you may not use this file except in compliance with the License. 769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 1169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** Unless required by applicable law or agreed to in writing, software 1269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** distributed under the License is distributed on an "AS IS" BASIS, 1369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "Process" 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 210795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 220795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/ProcessState.h> 230795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IServiceManager.h> 24f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten#include <cutils/sched_policy.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/errno.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 416af763bec7c3f4d50fee8dd0046409bb8a7fe8f6Glenn Kasten#include <unistd.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 44160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 45a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 49160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 50160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 51160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 52160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 53f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten// For both of these, err should be in the errno range (positive), not a status_t (negative) 54f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 556793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForPriorityError(JNIEnv* env, int err) 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 766793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenstatic void signalExceptionForGroupError(JNIEnv* env, int err) 77e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 78e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 79e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 80e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myPid(JNIEnv* env, jobject clazz) 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myUid(JNIEnv* env, jobject clazz) 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getuid(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myTid(JNIEnv* env, jobject clazz) 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 109887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn return androidGetTid(); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 11569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 14669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 174f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kastenvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int tid, jint grp) 175e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 176f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s tid=%d grp=%d", __func__, tid, grp); 177f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 178f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int res = set_sched_policy(tid, sp); 179887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 180f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -res); 181e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 182e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 183e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 18469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 1853e458241d9930465a20a861ecb42744355d48e48San Mehat{ 186f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten ALOGV("%s pid=%d grp=%d", __func__, pid, grp); 1873e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 1883e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 1893e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 1903e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 1913e458241d9930465a20a861ecb42744355d48e48San Mehat 192f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if ((grp == SP_FOREGROUND) || (grp > SP_MAX)) { 1936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, EINVAL); 1943e458241d9930465a20a861ecb42744355d48e48San Mehat return; 1953e458241d9930465a20a861ecb42744355d48e48San Mehat } 1963e458241d9930465a20a861ecb42744355d48e48San Mehat 197f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten bool isDefault = false; 198f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (grp < 0) { 199f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten grp = SP_FOREGROUND; 200f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten isDefault = true; 201f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 202f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten SchedPolicy sp = (SchedPolicy) grp; 203f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten 204a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 205a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 206a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 207a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 208a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 209a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 210a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 211a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 212a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 213a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 214a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 215a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 216a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 21769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 218f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (sp == SP_BACKGROUND) { 2195baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 220a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 2215baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 222a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 223a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2243e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2253e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2261fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2271fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2286793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 2293e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2303e458241d9930465a20a861ecb42744355d48e48San Mehat } 2313e458241d9930465a20a861ecb42744355d48e48San Mehat 2323e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2337e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2347e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2357e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2363e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2373e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2387e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2397e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2407e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2413762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Error getting pid for '%s'\n", de->d_name); 2427e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2437e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2441fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 245f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (isDefault) { 246f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 2477e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 248f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 249f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 250f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 251f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2527e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 25369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 254f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 255f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 256f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2570a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 258242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2593e458241d9930465a20a861ecb42744355d48e48San Mehat } 2603e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2613e458241d9930465a20a861ecb42744355d48e48San Mehat} 2623e458241d9930465a20a861ecb42744355d48e48San Mehat 263160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 264160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 265160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 266160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 26771f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 268160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 269160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 270160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 271160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2806793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2816793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2826793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 283cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 2846793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2856793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2866793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2876793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2896793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 290cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 291cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 292cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 2936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 2946793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 298160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 299160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 300160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 301160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 302160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 303160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 304160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3053762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 308160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 309160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 310160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 311160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 313887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 314887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 315887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3166793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 317887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3186793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 319887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3226215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Setting priority of %d: %d, getpriority returns %d\n", 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3396793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3416215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Returning priority of %d: %d\n", pid, pri); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 34910e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown char text[64]; 35010e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "/proc/%d/oom_adj", pid); 35110e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown int fd = open(text, O_WRONLY); 35210e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown if (fd >= 0) { 35310e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "%d", adj); 35410e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown write(fd, text, strlen(text)); 35510e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown close(fd); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 35710e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown return true; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 36569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3936215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3970bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissenstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 40069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4028564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 40569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 40969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4118564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 4170bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 41869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 420129e19cb37b1d30f8c46f77a3853d347c3e78bb3Glenn Kasten static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 42169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4360bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 44469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4516215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 45269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 45469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 46469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 47369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4786215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 48069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 48669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4966215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Clearing %d sizes", count); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 50269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 50869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5108564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 51469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 51669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5206215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 525add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5356215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %s = %d", field.string(), sizesArray[i]); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 54969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5528564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5556215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 56369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 57469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 57669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 58969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 59869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6016215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 61969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 62569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 653c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 65469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 655c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 65769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 66269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 683c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 68569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 68769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 695c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 69969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 702c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 708c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 71469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 715c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 718c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 72369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7246215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 72569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 74569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 757c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 75869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 759c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 760c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 761c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 762c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 76369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 76469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 765c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 76869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 771c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 772c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 773c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 774c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 775c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 776c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 77769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 778c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 779c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 780c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 782c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 783c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 784c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 785c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 786c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 787c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 78869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 789c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 7908564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s\n", file8); 791c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 792c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 79369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 794c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 795c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 796c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 79769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 798c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 7998564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 800c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 801c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 802c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 80369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 80469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 805c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 80669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 807c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 808c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 81369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8236215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 828906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 829906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 830906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 831906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 832906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 833906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 834906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 84069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 84369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 84469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 8836793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 884160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 887e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8883e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 894906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 8950bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 899c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 913