android_util_Process.cpp revision 242d65bf9faf1d2bc3468490e510551140e23462
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 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err) 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 77e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatstatic void signalExceptionForGroupError(JNIEnv* env, jobject obj, int err) 78e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 79e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 80e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 81e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 82e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 83e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void fakeProcessEntry(void* arg) 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8* cls = (String8*)arg; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AndroidRuntime* jr = AndroidRuntime::getRuntime(); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jr->callMain(cls->string(), 0, NULL); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete cls; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myPid(JNIEnv* env, jobject clazz) 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myUid(JNIEnv* env, jobject clazz) 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getuid(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myTid(JNIEnv* env, jobject clazz) 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_GETTID 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gettid(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 190e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 191e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 192e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat if (grp > ANDROID_TGROUP_MAX || grp < 0) { 193e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat signalExceptionForGroupError(env, clazz, EINVAL); 194e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat return; 195e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 196e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 197242d65bf9faf1d2bc3468490e510551140e23462San Mehat if (set_sched_policy(pid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ? 198242d65bf9faf1d2bc3468490e510551140e23462San Mehat SP_BACKGROUND : SP_FOREGROUND)) { 199242d65bf9faf1d2bc3468490e510551140e23462San Mehat signalExceptionForGroupError(env, clazz, errno); 200242d65bf9faf1d2bc3468490e510551140e23462San 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 2153e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2163e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2171fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2181fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2191fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2203e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2213e458241d9930465a20a861ecb42744355d48e48San Mehat } 2223e458241d9930465a20a861ecb42744355d48e48San Mehat 2233e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2247e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2257e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2267e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2273e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2283e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2297e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2307e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2317e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2327e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat LOGE("Error getting pid for '%s'\n", de->d_name); 2337e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2347e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2351fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 2367e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri = getpriority(PRIO_PROCESS, t_pid); 2377e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2387e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (grp == ANDROID_TGROUP_DEFAULT && 2397e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri >= ANDROID_PRIORITY_BACKGROUND) { 2407e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat // This task wants to stay at background 2417e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2427e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2437e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 244242d65bf9faf1d2bc3468490e510551140e23462San Mehat if (set_sched_policy(t_pid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ? 245242d65bf9faf1d2bc3468490e510551140e23462San Mehat SP_BACKGROUND : SP_FOREGROUND)) { 246242d65bf9faf1d2bc3468490e510551140e23462San Mehat signalExceptionForGroupError(env, clazz, errno); 247242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 2483e458241d9930465a20a861ecb42744355d48e48San Mehat } 2493e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2503e458241d9930465a20a861ecb42744355d48e48San Mehat} 2513e458241d9930465a20a861ecb42744355d48e48San Mehat 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 255242d65bf9faf1d2bc3468490e510551140e23462San Mehat int rc = 0; 256242d65bf9faf1d2bc3468490e510551140e23462San Mehat 2577d619f18a277ee3114624df7301db94db83936b9San Mehat if (pri >= ANDROID_PRIORITY_BACKGROUND) { 258242d65bf9faf1d2bc3468490e510551140e23462San Mehat rc = set_sched_policy(pid, SP_BACKGROUND); 2597d619f18a277ee3114624df7301db94db83936b9San Mehat } else if (getpriority(PRIO_PROCESS, pid) >= ANDROID_PRIORITY_BACKGROUND) { 260242d65bf9faf1d2bc3468490e510551140e23462San Mehat rc = set_sched_policy(pid, SP_FOREGROUND); 261242d65bf9faf1d2bc3468490e510551140e23462San Mehat } 262242d65bf9faf1d2bc3468490e510551140e23462San Mehat 263242d65bf9faf1d2bc3468490e510551140e23462San Mehat if (rc) { 264242d65bf9faf1d2bc3468490e510551140e23462San Mehat signalExceptionForGroupError(env, clazz, errno); 265e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 266e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setpriority(PRIO_PROCESS, pid, pri) < 0) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Setting priority of %d: %d, getpriority returns %d\n", 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Returning priority of %d: %d\n", pid, pri); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ProcessState::self()->supportsProcesses()) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char text[64]; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "/proc/%d/oom_adj", pid); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(text, O_WRONLY); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "%d", adj); 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write(fd, text, strlen(text)); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_supportsProcesses(JNIEnv* env, jobject clazz) 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ProcessState::self()->supportsProcesses(); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3600bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissenstatic jlong android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open /proc/meminfo"); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read /proc/meminfo"); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 3800bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen jlong mem = 0; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), NULL }; 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3990bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen mem += atoll(num) * 1024; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("getMemInfo: %p %p", reqFields, outFields); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("String at %d: %p = %s", i, obj, str8); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Clearing %d sizes", count); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read %s", file.string()); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Parsing at: %s", p); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 488add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %s = %d", field.string(), sizesArray[i]); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open %s", file.string()); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Done!"); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("File %s pid=%d\n", entry->d_name, pid); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 616c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 617c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char* buffer, jint startIndex, jint endIndex, jintArray format, 618c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 646c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 658c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 665c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 671c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 678c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 681c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 720c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 721c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 722c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 723c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 724c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 725c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 726c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jboolean result = android_os_Process_parseProcLineArray(env, clazz, 727c64edde69d18498fb2954f71a546357b07ab996aEvan Millar (char*) bufferArray, startIndex, endIndex, format, outStrings, 728c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 729c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 730c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 731c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 732c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 733c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 734c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 735c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 736c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 737c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 738c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 739c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 740c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/NullPointerException", NULL); 741c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 742c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 743c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 744c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 745c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 746c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 747c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 748c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 749c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 750c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 751c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 752c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 753c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s\n", file8); 754c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 755c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 756c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 757c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 758c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 759c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 760c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 761c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 762c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s fd=%d\n", file8, fd); 763c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 764c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 765c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 766c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 768c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 771c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("Sending signal. PID: %d SIG: %d", pid, sig); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 841e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8423e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"supportsProcesses", "()Z", (void*)android_os_Process_supportsProcesses}, 8490bca96bcbfe559f9330a01f723c5c9cba51ec05aMarco Nelissen {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory}, 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 853c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kProcessPathName); 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Process"); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 872