android_util_Process.cpp revision 07b0465095bd9ab3412caefa4fcacbdc3825c64b
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 24507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten t_pri = getpriority(PRIO_PROCESS, t_pid); 24607b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten 24707b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (t_pri <= ANDROID_PRIORITY_AUDIO) { 24807b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten int scheduler = sched_getscheduler(t_pid); 24907b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if ((scheduler == SCHED_FIFO) || (scheduler == SCHED_RR)) { 25007b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten // This task wants to stay in it's current audio group so it can keep it's budget 25107b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten continue; 25207b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 25307b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten } 2547e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 25507b0465095bd9ab3412caefa4fcacbdc3825c64bGlenn Kasten if (isDefault) { 256f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (t_pri >= ANDROID_PRIORITY_BACKGROUND) { 257f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten // This task wants to stay at background 258f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten continue; 259f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten } 2607e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 26169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 262f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten int err = set_sched_policy(t_pid, sp); 263f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten if (err != NO_ERROR) { 264f1b56449f58963e4f0473d5e26961f68c31759f4Glenn Kasten signalExceptionForGroupError(env, -err); 2650a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 266242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2673e458241d9930465a20a861ecb42744355d48e48San Mehat } 2683e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2693e458241d9930465a20a861ecb42744355d48e48San Mehat} 2703e458241d9930465a20a861ecb42744355d48e48San Mehat 271160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 272160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 27571f2cf116aab893e224056c38ab146bd1538dd3eSteve Block ALOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 283160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 284160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 285160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 286160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 287160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2886793ac943afeb16642f477c43ddfd27e498db37bGlenn Kastenvoid android_os_Process_setThreadScheduler(JNIEnv* env, jclass clazz, 2896793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten jint tid, jint policy, jint pri) 2906793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten{ 291cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#ifdef HAVE_SCHED_SETSCHEDULER 2926793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten struct sched_param param; 2936793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten param.sched_priority = pri; 2946793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten int rc = sched_setscheduler(tid, policy, ¶m); 2956793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten if (rc) { 2966793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 2976793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten } 298cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#else 299cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten signalExceptionForPriorityError(env, ENOSYS); 300cc767191cfb675f744e0165608b0a4196aba2b37Glenn Kasten#endif 3016793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten} 3026793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 308160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 309160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 310160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 311160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 312160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 3133762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Thread marked fg-only put self in background!"); 314160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 315160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 316160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 317160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 318160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 319160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 320160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 321887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 322887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 323887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 3246793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 325887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 3266793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForGroupError(env, errno); 327887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 32969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3306215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Setting priority of %d: %d, getpriority returns %d\n", 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3476793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten signalExceptionForPriorityError(env, errno); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3496215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Returning priority of %d: %d\n", pid, pri); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 35710e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown char text[64]; 35810e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "/proc/%d/oom_adj", pid); 35910e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown int fd = open(text, O_WRONLY); 36010e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown if (fd >= 0) { 36110e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown sprintf(text, "%d", adj); 36210e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown write(fd, text, strlen(text)); 36310e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown close(fd); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 36510e89712863f5b91a2982dc1783fbdfe39c1485dJeff Brown return true; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 37369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 37669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4016215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4050bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissenstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 40869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4108564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open /proc/meminfo"); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 41369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 41769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4198564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read /proc/meminfo"); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 4250bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 42669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 428129e19cb37b1d30f8c46f77a3853d347c3e78bb3Glenn Kasten static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 }; 42969a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4440bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 45269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4596215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("getMemInfo: %p %p", reqFields, outFields); 46069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 46269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 46569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 47269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 47869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 48169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4866215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("String at %d: %p = %s", i, obj, str8); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 48869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 49469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "Element in reqFields"); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 49869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5046215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Clearing %d sizes", count); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 50869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 51069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 51669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5188564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to read %s", file.string()); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 52269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 52469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5286215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Parsing at: %s", p); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 533add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5436215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %s = %d", field.string(), sizesArray[i]); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 55769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5608564c8da817a845353d213acd8636b76f567b234Steve Block ALOGW("Unable to open %s", file.string()); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5636215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Done!"); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 57169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 57469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 58269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 58469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 58869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 59569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 59769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 60669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6096215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("File %s pid=%d\n", entry->d_name, pid); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 63369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 63769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 64669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 661c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 66269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes char* buffer, jint startIndex, jint endIndex, jintArray format, 663c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 66569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 67069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 691c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 69369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 69569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 703c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 70769a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 710c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 716c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 72269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 723c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 726c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 73169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7326215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block //ALOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 73369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 76169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 765c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 76669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 768c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 77169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jboolean result = android_os_Process_parseProcLineArray(env, clazz, 77269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes (char*) bufferArray, startIndex, endIndex, format, outStrings, 773c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 77469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 775c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 77669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 777c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 778c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 779c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 780c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 782c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 783c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 784c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 78569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 786c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 787c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 788c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 789c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 790c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 791c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 792c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 793c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 794c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 795c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 79669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 797c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 7988564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s\n", file8); 799c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 800c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 80169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 802c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 803c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 804c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 80569a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 806c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 8078564c8da817a845353d213acd8636b76f567b234Steve Block //ALOGW("Unable to open process file: %s fd=%d\n", file8, fd); 808c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 809c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 810c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 81169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 81269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 813c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 81469a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 82169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, NULL); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8316215d3ff4b5dfa52a5d8b9a42e343051f31066a5Steve Block ALOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 836906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 837906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 838906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 839906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 840906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 841906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 842906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 84869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 85169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes } 85269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 8916793ac943afeb16642f477c43ddfd27e498db37bGlenn Kasten {"setThreadScheduler", "(III)V", (void*)android_os_Process_setThreadScheduler}, 892160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 895e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8963e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 902906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 9030bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 907c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 921