android_util_Process.cpp revision 160edb3645f8b7012bab70ae6e6e8c4a5733082b
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** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 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> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/errno.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 35242d65bf9faf1d2bc3468490e510551140e23462San Mehat#include <cutils/sched_policy.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> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* desktop Linux needs a little help with gettid() */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define __KERNEL__ 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project# include <linux/unistd.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef _syscall0 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project_syscall0(pid_t,gettid) 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpid_t gettid() { return syscall(__NR_gettid);} 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef __KERNEL__ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54957e58670baad8c5995f1368e3b5280f0dbd891fSan Mehat#define POLICY_DEBUG 0 55160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#define GUARD_THREAD_PRIORITY 0 56a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 60160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher TateMutex gKeyCreateMutex; 61160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic pthread_key_t gBgKey = -1; 62160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 63160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err) 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatstatic void signalExceptionForGroupError(JNIEnv* env, jobject obj, int err) 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 101e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 102e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 103e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 104e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 105e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 106e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void fakeProcessEntry(void* arg) 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8* cls = (String8*)arg; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AndroidRuntime* jr = AndroidRuntime::getRuntime(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jr->callMain(cls->string(), 0, NULL); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete cls; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myPid(JNIEnv* env, jobject clazz) 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myUid(JNIEnv* env, jobject clazz) 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getuid(); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myTid(JNIEnv* env, jobject clazz) 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 129887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn return androidGetTid(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 194e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 195e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 196887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int res = androidSetThreadSchedulingGroup(pid, grp); 197887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (res != NO_ERROR) { 198887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn signalExceptionForGroupError(env, clazz, res == BAD_VALUE ? EINVAL : errno); 199e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat return; 200e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 201e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 202e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2033e458241d9930465a20a861ecb42744355d48e48San Mehatvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 2043e458241d9930465a20a861ecb42744355d48e48San Mehat{ 2053e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 2063e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 2073e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 2083e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 2093e458241d9930465a20a861ecb42744355d48e48San Mehat 2103e458241d9930465a20a861ecb42744355d48e48San Mehat if (grp > ANDROID_TGROUP_MAX || grp < 0) { 2113e458241d9930465a20a861ecb42744355d48e48San Mehat signalExceptionForGroupError(env, clazz, EINVAL); 2123e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2133e458241d9930465a20a861ecb42744355d48e48San Mehat } 2143e458241d9930465a20a861ecb42744355d48e48San Mehat 215a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#if POLICY_DEBUG 216a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat char cmdline[32]; 217a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int fd; 218a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 219a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat strcpy(cmdline, "unknown"); 220a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 221a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat sprintf(proc_path, "/proc/%d/cmdline", pid); 222a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat fd = open(proc_path, O_RDONLY); 223a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (fd >= 0) { 224a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat int rc = read(fd, cmdline, sizeof(cmdline)-1); 225a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat cmdline[rc] = 0; 226a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat close(fd); 227a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 228a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat 229a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat if (grp == ANDROID_TGROUP_BG_NONINTERACT) { 230a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat LOGD("setProcessGroup: vvv pid %d (%s)", pid, cmdline); 231a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } else { 232a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat LOGD("setProcessGroup: ^^^ pid %d (%s)", pid, cmdline); 233a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat } 234a5109a878eeff22e32ee5ce1b1cd15e8daad5234San Mehat#endif 2353e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2363e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2371fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2381fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2391fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2403e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2413e458241d9930465a20a861ecb42744355d48e48San Mehat } 2423e458241d9930465a20a861ecb42744355d48e48San Mehat 2433e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2447e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2457e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2467e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2473e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2483e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2497e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2507e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2517e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2527e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat LOGE("Error getting pid for '%s'\n", de->d_name); 2537e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2547e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2551fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 2567e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri = getpriority(PRIO_PROCESS, t_pid); 2577e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2587e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (grp == ANDROID_TGROUP_DEFAULT && 2597e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri >= ANDROID_PRIORITY_BACKGROUND) { 2607e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat // This task wants to stay at background 2617e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2627e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2637e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 264242d65bf9faf1d2bc3468490e510551140e23462San Mehat if (set_sched_policy(t_pid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ? 265242d65bf9faf1d2bc3468490e510551140e23462San Mehat SP_BACKGROUND : SP_FOREGROUND)) { 266242d65bf9faf1d2bc3468490e510551140e23462San Mehat signalExceptionForGroupError(env, clazz, errno); 2670a42b811aea490a9a605b75f0320101f6eafd283San Mehat break; 268242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2693e458241d9930465a20a861ecb42744355d48e48San Mehat } 2703e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2713e458241d9930465a20a861ecb42744355d48e48San Mehat} 2723e458241d9930465a20a861ecb42744355d48e48San Mehat 273160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tatestatic void android_os_Process_setCanSelfBackground(JNIEnv* env, jobject clazz, jboolean bgOk) { 274160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Establishes the calling thread as illegal to put into the background. 275160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // Typically used only for the system process's main looper. 276160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 277160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate LOGV("Process.setCanSelfBackground(%d) : tid=%d", bgOk, androidGetTid()); 278160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate { 279160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate Mutex::Autolock _l(gKeyCreateMutex); 280160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (gBgKey == -1) { 281160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_key_create(&gBgKey, NULL); 282160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 283160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 284160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 285160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // inverted: not-okay, we set a sentinel value 286160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate pthread_setspecific(gBgKey, (void*)(bgOk ? 0 : 0xbaad)); 287160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 288160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate} 289160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 293160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#if GUARD_THREAD_PRIORITY 294160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // if we're putting the current thread into the background, check the TLS 295160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate // to make sure this thread isn't guarded. If it is, raise an exception. 296160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pri >= ANDROID_PRIORITY_BACKGROUND) { 297160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (pid == androidGetTid()) { 298160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate void* bgOk = pthread_getspecific(gBgKey); 299160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate if (bgOk == ((void*)0xbaad)) { 300160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate LOGE("Thread marked fg-only put self in background!"); 301160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate jniThrowException(env, "java/lang/SecurityException", "May not put this thread into background"); 302160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate return; 303160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 304160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 305160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate } 306160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate#endif 307160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate 308887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn int rc = androidSetThreadPriority(pid, pri); 309887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc != 0) { 310887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn if (rc == INVALID_OPERATION) { 311887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn signalExceptionForPriorityError(env, clazz, errno); 312887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } else { 313887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn signalExceptionForGroupError(env, clazz, errno); 314887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 316887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Setting priority of %d: %d, getpriority returns %d\n", 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Returning priority of %d: %d\n", pid, pri); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ProcessState::self()->supportsProcesses()) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char text[64]; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "/proc/%d/oom_adj", pid); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(text, O_WRONLY); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "%d", adj); 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write(fd, text, strlen(text)); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 353906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn return true; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_supportsProcesses(JNIEnv* env, jobject clazz) 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ProcessState::self()->supportsProcesses(); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4070bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissenstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open /proc/meminfo"); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read /proc/meminfo"); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 4270bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), NULL }; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4460bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("getMemInfo: %p %p", reqFields, outFields); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("String at %d: %p = %s", i, obj, str8); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Clearing %d sizes", count); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read %s", file.string()); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Parsing at: %s", p); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 535add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %s = %d", field.string(), sizesArray[i]); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open %s", file.string()); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Done!"); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("File %s pid=%d\n", entry->d_name, pid); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 663c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 664c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char* buffer, jint startIndex, jint endIndex, jintArray format, 665c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 693c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 705c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 712c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 718c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 725c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 728c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 768c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 771c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 772c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 773c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jboolean result = android_os_Process_parseProcLineArray(env, clazz, 774c64edde69d18498fb2954f71a546357b07ab996aEvan Millar (char*) bufferArray, startIndex, endIndex, format, outStrings, 775c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 776c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 777c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 778c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 779c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 780c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 782c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 783c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 784c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 785c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 786c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 787c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/NullPointerException", NULL); 788c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 789c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 790c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 791c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 792c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 793c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 794c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 795c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 796c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 797c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 798c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 799c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 800c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s\n", file8); 801c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 802c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 803c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 804c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 805c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 806c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 807c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 808c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 809c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s fd=%d\n", file8, fd); 810c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 811c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 812c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 813c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 814c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 815c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 816c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 817c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 818c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 838906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackbornvoid android_os_Process_sendSignalQuiet(JNIEnv* env, jobject clazz, jint pid, jint sig) 839906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn{ 840906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn if (pid > 0) { 841906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn kill(pid, sig); 842906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn } 843906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn} 844906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 893160edb3645f8b7012bab70ae6e6e8c4a5733082bChristopher Tate {"setCanSelfBackground", "(Z)V", (void*)android_os_Process_setCanSelfBackground}, 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 896e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8973e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 903906497c574d45d8dfd295b16dece0d0bc32c0895Dianne Hackborn {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet}, 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"supportsProcesses", "()Z", (void*)android_os_Process_supportsProcesses}, 9050bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 909c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kProcessPathName); 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Process"); 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 928