android_util_Process.cpp revision 1fd0ec738b0a2b97cc28701aa37b1a9869afc684
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> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/IPCThreadState.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/ProcessState.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/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> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <grp.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <pwd.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <signal.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* desktop Linux needs a little help with gettid() */ 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define __KERNEL__ 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project# include <linux/unistd.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef _syscall0 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project_syscall0(pid_t,gettid) 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpid_t gettid() { return syscall(__NR_gettid);} 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef __KERNEL__ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 53e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat/* 54e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat * List of cgroup names which map to ANDROID_TGROUP_ values in Thread.h 55e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat * and Process.java 56e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat * These names are used to construct the path to the cgroup control dir 57e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat */ 58e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 59e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatstatic const char *cgroup_names[] = { NULL, "bg_non_interactive", "fg_boost" }; 60e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void signalExceptionForPriorityError(JNIEnv* env, jobject obj, int err) 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EINVAL: 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ESRCH: 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EPERM: 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case EACCES: 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", "No permission to set to given priority"); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 84e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatstatic void signalExceptionForGroupError(JNIEnv* env, jobject obj, int err) 85e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 86e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat switch (err) { 87e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EINVAL: 88e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 89e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 90e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case ESRCH: 91e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/IllegalArgumentException", "Given thread does not exist"); 92e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 93e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EPERM: 94e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to modify given thread"); 95e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 96e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat case EACCES: 97e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/SecurityException", "No permission to set to given group"); 98e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 99e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat default: 100e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 101e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat break; 102e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 103e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 104e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 105e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void fakeProcessEntry(void* arg) 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8* cls = (String8*)arg; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AndroidRuntime* jr = AndroidRuntime::getRuntime(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jr->callMain(cls->string(), 0, NULL); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete cls; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myPid(JNIEnv* env, jobject clazz) 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myUid(JNIEnv* env, jobject clazz) 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getuid(); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_myTid(JNIEnv* env, jobject clazz) 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_GETTID 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gettid(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getpid(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getUidForName(JNIEnv* env, jobject clazz, jstring name) 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct passwd* pwd = getpwnam(str); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pwd == NULL) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pwd->pw_uid; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getGidForName(JNIEnv* env, jobject clazz, jstring name) 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str16 = env->GetStringCritical(name, 0); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str16) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str16, env->GetStringLength(name)); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str16); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t N = name8.size(); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (N > 0) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str = name8.string(); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i=0; i<N; i++) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str[i] < '0' || str[i] > '9') { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct group* grp = getgrnam(str); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (grp == NULL) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return grp->gr_gid; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return atoi(str); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 197e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatstatic int add_pid_to_cgroup(int pid, int grp) 198e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 1990cb53209c32457540a0fabe5567f68606c158963San Mehat int fd; 200e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat char path[255]; 2010cb53209c32457540a0fabe5567f68606c158963San Mehat char text[64]; 202e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2030cb53209c32457540a0fabe5567f68606c158963San Mehat sprintf(path, "/dev/cpuctl/%s/tasks", 2040cb53209c32457540a0fabe5567f68606c158963San Mehat (cgroup_names[grp] ? cgroup_names[grp] : "")); 205e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2061fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if ((fd = open(path, O_WRONLY)) < 0) 2070cb53209c32457540a0fabe5567f68606c158963San Mehat return -1; 208e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2090cb53209c32457540a0fabe5567f68606c158963San Mehat sprintf(text, "%d", pid); 2100cb53209c32457540a0fabe5567f68606c158963San Mehat if (write(fd, text, strlen(text)) < 0) { 2110cb53209c32457540a0fabe5567f68606c158963San Mehat close(fd); 2120cb53209c32457540a0fabe5567f68606c158963San Mehat return -1; 213e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 214e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2150cb53209c32457540a0fabe5567f68606c158963San Mehat close(fd); 2160cb53209c32457540a0fabe5567f68606c158963San Mehat return 0; 217e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 218e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 219e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehatvoid android_os_Process_setThreadGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 220e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat{ 221e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat if (grp > ANDROID_TGROUP_MAX || grp < 0) { 222e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat signalExceptionForGroupError(env, clazz, EINVAL); 223e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat return; 224e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 225e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2261fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (add_pid_to_cgroup(pid, grp)) { 2271fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the thread exited on us, don't generate an exception 2281fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ESRCH && errno != ENOENT) 2291fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2301fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat } 231e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat} 232e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2333e458241d9930465a20a861ecb42744355d48e48San Mehatvoid android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jint grp) 2343e458241d9930465a20a861ecb42744355d48e48San Mehat{ 2353e458241d9930465a20a861ecb42744355d48e48San Mehat DIR *d; 2363e458241d9930465a20a861ecb42744355d48e48San Mehat FILE *fp; 2373e458241d9930465a20a861ecb42744355d48e48San Mehat char proc_path[255]; 2383e458241d9930465a20a861ecb42744355d48e48San Mehat struct dirent *de; 2393e458241d9930465a20a861ecb42744355d48e48San Mehat 2403e458241d9930465a20a861ecb42744355d48e48San Mehat if (grp > ANDROID_TGROUP_MAX || grp < 0) { 2413e458241d9930465a20a861ecb42744355d48e48San Mehat signalExceptionForGroupError(env, clazz, EINVAL); 2423e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2433e458241d9930465a20a861ecb42744355d48e48San Mehat } 2443e458241d9930465a20a861ecb42744355d48e48San Mehat 2453e458241d9930465a20a861ecb42744355d48e48San Mehat sprintf(proc_path, "/proc/%d/task", pid); 2463e458241d9930465a20a861ecb42744355d48e48San Mehat if (!(d = opendir(proc_path))) { 2471fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the process exited on us, don't generate an exception 2481fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ENOENT) 2491fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2503e458241d9930465a20a861ecb42744355d48e48San Mehat return; 2513e458241d9930465a20a861ecb42744355d48e48San Mehat } 2523e458241d9930465a20a861ecb42744355d48e48San Mehat 2533e458241d9930465a20a861ecb42744355d48e48San Mehat while ((de = readdir(d))) { 2543e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2553e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2561fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 2573e458241d9930465a20a861ecb42744355d48e48San Mehat if (add_pid_to_cgroup(atoi(de->d_name), grp)) { 2581fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the thread exited on us, ignore it and keep going 2591fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ESRCH && errno != ENOENT) { 2601fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2611fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat closedir(d); 2621fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat return; 2631fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat } 2643e458241d9930465a20a861ecb42744355d48e48San Mehat } 2653e458241d9930465a20a861ecb42744355d48e48San Mehat } 2663e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2673e458241d9930465a20a861ecb42744355d48e48San Mehat} 2683e458241d9930465a20a861ecb42744355d48e48San Mehat 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 272e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat if (pri == ANDROID_PRIORITY_BACKGROUND) { 273e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat add_pid_to_cgroup(pid, ANDROID_TGROUP_BG_NONINTERACT); 274e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } else if (getpriority(PRIO_PROCESS, pid) == ANDROID_PRIORITY_BACKGROUND) { 275e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat add_pid_to_cgroup(pid, ANDROID_TGROUP_DEFAULT); 276e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 277e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setpriority(PRIO_PROCESS, pid, pri) < 0) { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Setting priority of %d: %d, getpriority returns %d\n", 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Returning priority of %d: %d\n", pid, pri); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ProcessState::self()->supportsProcesses()) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char text[64]; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "/proc/%d/oom_adj", pid); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(text, O_WRONLY); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "%d", adj); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write(fd, text, strlen(text)); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_supportsProcesses(JNIEnv* env, jobject clazz) 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ProcessState::self()->supportsProcesses(); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open /proc/meminfo"); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read /proc/meminfo"); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mem = 0; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), NULL }; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mem += atoi(num) * 1024; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("getMemInfo: %p %p", reqFields, outFields); 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("String at %d: %p = %s", i, obj, str8); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Clearing %d sizes", count); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read %s", file.string()); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Parsing at: %s", p); 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %s = %d", field.string(), sizesArray[i]); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open %s", file.string()); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Done!"); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("File %s pid=%d\n", entry->d_name, pid); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 627c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 628c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char* buffer, jint startIndex, jint endIndex, jintArray format, 629c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 657c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 669c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 676c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 682c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 692c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 731c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 732c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 733c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 734c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 735c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 736c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 737c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jboolean result = android_os_Process_parseProcLineArray(env, clazz, 738c64edde69d18498fb2954f71a546357b07ab996aEvan Millar (char*) bufferArray, startIndex, endIndex, format, outStrings, 739c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 740c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 741c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 742c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 743c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 744c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 745c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 746c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 747c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 748c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 749c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 750c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 751c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/NullPointerException", NULL); 752c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 753c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 754c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 755c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 756c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 757c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 758c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 759c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 760c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 761c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 762c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 763c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 764c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s\n", file8); 765c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 766c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 768c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 771c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 772c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 773c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s fd=%d\n", file8, fd); 774c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 775c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 776c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 777c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 778c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 779c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 780c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 782c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("Sending signal. PID: %d SIG: %d", pid, sig); 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 852e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8533e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"supportsProcesses", "()Z", (void*)android_os_Process_supportsProcesses}, 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getFreeMemory", "()I", (void*)android_os_Process_getFreeMemory}, 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 864c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kProcessPathName); 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Process"); 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 883