android_util_Process.cpp revision 7e63789a0e0689d940609b1daceebc1bc08dcbef
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))) { 2547e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pid; 2557e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat int t_pri; 2567e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2573e458241d9930465a20a861ecb42744355d48e48San Mehat if (de->d_name[0] == '.') 2583e458241d9930465a20a861ecb42744355d48e48San Mehat continue; 2597e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pid = atoi(de->d_name); 2607e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2617e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (!t_pid) { 2627e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat LOGE("Error getting pid for '%s'\n", de->d_name); 2637e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2647e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2651fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat 2667e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri = getpriority(PRIO_PROCESS, t_pid); 2677e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2687e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (grp == ANDROID_TGROUP_DEFAULT && 2697e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat t_pri >= ANDROID_PRIORITY_BACKGROUND) { 2707e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat // This task wants to stay at background 2717e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat continue; 2727e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat } 2737e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat 2747e63789a0e0689d940609b1daceebc1bc08dcbefSan Mehat if (add_pid_to_cgroup(t_pid, grp)) { 2751fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat // If the thread exited on us, ignore it and keep going 2761fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat if (errno != ESRCH && errno != ENOENT) { 2771fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat signalExceptionForGroupError(env, clazz, errno); 2781fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat closedir(d); 2791fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat return; 2801fd0ec738b0a2b97cc28701aa37b1a9869afc684San Mehat } 2813e458241d9930465a20a861ecb42744355d48e48San Mehat } 2823e458241d9930465a20a861ecb42744355d48e48San Mehat } 2833e458241d9930465a20a861ecb42744355d48e48San Mehat closedir(d); 2843e458241d9930465a20a861ecb42744355d48e48San Mehat} 2853e458241d9930465a20a861ecb42744355d48e48San Mehat 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setThreadPriority(JNIEnv* env, jobject clazz, 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint pri) 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2897d619f18a277ee3114624df7301db94db83936b9San Mehat if (pri >= ANDROID_PRIORITY_BACKGROUND) { 290e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat add_pid_to_cgroup(pid, ANDROID_TGROUP_BG_NONINTERACT); 2917d619f18a277ee3114624df7301db94db83936b9San Mehat } else if (getpriority(PRIO_PROCESS, pid) >= ANDROID_PRIORITY_BACKGROUND) { 292e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat add_pid_to_cgroup(pid, ANDROID_TGROUP_DEFAULT); 293e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat } 294e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setpriority(PRIO_PROCESS, pid, pri) < 0) { 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Setting priority of %d: %d, getpriority returns %d\n", 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pid, pri, getpriority(PRIO_PROCESS, pid)); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setCallingThreadPriority(JNIEnv* env, jobject clazz, 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri) 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint tid = android_os_Process_myTid(env, clazz); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_os_Process_setThreadPriority(env, clazz, tid, pri); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getThreadPriority(JNIEnv* env, jobject clazz, 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid) 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project errno = 0; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pri = getpriority(PRIO_PROCESS, pid); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (errno != 0) { 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForPriorityError(env, clazz, errno); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Returning priority of %d: %d\n", pid, pri); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pri; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_setOomAdj(JNIEnv* env, jobject clazz, 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint pid, jint adj) 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef HAVE_OOM_ADJ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ProcessState::self()->supportsProcesses()) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char text[64]; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "/proc/%d/oom_adj", pid); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(text, O_WRONLY); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sprintf(text, "%d", adj); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write(fd, text, strlen(text)); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name) 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name8 = String8(str, env->GetStringLength(name)); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name8.size() > 0) { 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ProcessState::self()->setArgV0(name8.string()); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setUid(JNIEnv* env, jobject clazz, jint uid) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setuid(uid) == 0 ? 0 : errno; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_setGid(JNIEnv* env, jobject clazz, jint uid) 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #if HAVE_ANDROID_OS 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return setgid(uid) == 0 ? 0 : errno; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #else 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ENOSYS; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project #endif 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjboolean android_os_Process_supportsProcesses(JNIEnv* env, jobject clazz) 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ProcessState::self()->supportsProcesses(); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int pid_compare(const void* v1, const void* v2) 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Compare %d vs %d\n", *((const jint*)v1), *((const jint*)v2)); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return *((const jint*)v1) - *((const jint*)v2); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Process_getFreeMemory(JNIEnv* env, jobject clazz) 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open("/proc/meminfo", O_RDONLY); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open /proc/meminfo"); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[256]; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int len = read(fd, buffer, sizeof(buffer)-1); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read /proc/meminfo"); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numFound = 0; 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mem = 0; 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const char* const sums[] = { "MemFree:", "Cached:", NULL }; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static const int sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), NULL }; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && numFound < 2) { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (sums[i]) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, sums[i], sumsLen[i]) == 0) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += sumsLen[i]; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p == ' ') p++; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == 0) p--; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mem += atoi(num) * 1024; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numFound++; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numFound > 0 ? mem : -1; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_readProcLines(JNIEnv* env, jobject clazz, jstring fileStr, 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobjectArray reqFields, jlongArray outFields) 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("getMemInfo: %p %p", reqFields, outFields); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fileStr == NULL || reqFields == NULL || outFields == NULL) { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(fileStr, NULL); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 file(file8); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(fileStr, file8); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize count = env->GetArrayLength(reqFields); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (count > env->GetArrayLength(outFields)) { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", "Array lengths differ"); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<String8> fields; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject obj = env->GetObjectArrayElement(reqFields, i); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj != NULL) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* str8 = env->GetStringUTFChars((jstring)obj, NULL); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("String at %d: %p = %s", i, obj, str8); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str8 == NULL) { 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fields.add(String8(str8)); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars((jstring)obj, str8); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", "Element in reqFields"); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* sizesArray = env->GetLongArrayElements(outFields, 0); 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizesArray == NULL) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Clearing %d sizes", count); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = 0; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(file.string(), O_RDONLY); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t BUFFER_SIZE = 2048; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* buffer = (char*)malloc(BUFFER_SIZE); 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int len = read(fd, buffer, BUFFER_SIZE-1); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len < 0) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to read %s", file.string()); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project len = 0; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[len] = 0; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int foundCount = 0; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* p = buffer; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && foundCount < count) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool skipToEol = true; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Parsing at: %s", p); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<count; i++) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const String8& field = fields[i]; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strncmp(p, field.string(), field.length()) == 0) { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p += field.length(); 516add868cebaf62cffe96e79764ea0b7f2320a03ebAmith Yamasani while (*p == ' ' || *p == '\t') p++; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* num = p; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p >= '0' && *p <= '9') p++; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipToEol = *p != '\n'; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *p = 0; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sizesArray[i] = strtoll(num, &end, 10); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %s = %d", field.string(), sizesArray[i]); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foundCount++; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipToEol) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p && *p != '\n') { 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p == '\n') { 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(buffer); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Unable to open %s", file.string()); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Done!"); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outFields, sizesArray, 0); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectjintArray android_os_Process_getPids(JNIEnv* env, jobject clazz, 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring file, jintArray lastArray) 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file == NULL) { 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* file8 = env->GetStringUTFChars(file, NULL); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (file8 == NULL) { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DIR* dirp = opendir(file8); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringUTFChars(file, file8); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if(dirp == NULL) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize curCount = 0; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* curData = NULL; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lastArray != NULL) { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = env->GetArrayLength(lastArray); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = env->GetIntArrayElements(lastArray, 0); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint curPos = 0; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct dirent* entry; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((entry=readdir(dirp)) != NULL) { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* p = entry->d_name; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (*p) { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p < '0' || *p > '9') break; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p++; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (*p != 0) continue; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pid = strtol(entry->d_name, &end, 10); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("File %s pid=%d\n", entry->d_name, pid); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curPos >= curCount) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize newCount = (curCount == 0) ? 10 : (curCount*2); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray newArray = env->NewIntArray(newCount); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newArray == NULL) { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* newData = env->GetIntArrayElements(newArray, 0); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(newData, curData, sizeof(jint)*curCount); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lastArray = newArray; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curCount = newCount; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData = newData; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = pid; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closedir(dirp); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL && curPos > 0) { 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project qsort(curData, curPos, sizeof(jint), pid_compare); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (curPos < curCount) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curData[curPos] = -1; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curPos++; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curData != NULL) { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(lastArray, curData, 0); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastArray; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectenum { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_TERM_MASK = 0xff, 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_ZERO_TERM = 0, 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_SPACE_TERM = ' ', 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_COMBINE = 0x100, 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_PARENS = 0x200, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_STRING = 0x1000, 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_LONG = 0x2000, 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PROC_OUT_FLOAT = 0x4000, 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 644c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLineArray(JNIEnv* env, jobject clazz, 645c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char* buffer, jint startIndex, jint endIndex, jintArray format, 646c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NF = env->GetArrayLength(format); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NS = outStrings ? env->GetArrayLength(outStrings) : 0; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NL = outLongs ? env->GetArrayLength(outLongs) : 0; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize NR = outFloats ? env->GetArrayLength(outFloats) : 0; 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint* formatData = env->GetIntArrayElements(format, 0); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong* longsData = outLongs ? 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetLongArrayElements(outLongs, 0) : NULL; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloat* floatsData = outFloats ? 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetFloatArrayElements(outFloats, 0) : NULL; 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData == NULL || (NL > 0 && longsData == NULL) 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (NR > 0 && floatsData == NULL)) { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (formatData != NULL) { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 674c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jsize i = startIndex; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize di = 0; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_TRUE; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize fi=0; fi<NF; fi++) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jint mode = formatData[fi]; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char term = (char)(mode&PROC_TERM_MASK); 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jsize start = i; 686c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i >= endIndex) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize end = -1; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_PARENS) != 0) { 693c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != ')' && i < endIndex) { 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 699c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] != term && i < endIndex) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (end < 0) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project end = i; 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 706c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (i < endIndex) { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_COMBINE) != 0) { 709c64edde69d18498fb2954f71a546357b07ab996aEvan Millar while (buffer[i] == term && i < endIndex) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Field %d: %d-%d dest=%d mode=0x%x\n", i, start, end, di, mode); 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&(PROC_OUT_FLOAT|PROC_OUT_LONG|PROC_OUT_STRING)) != 0) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buffer[end]; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = 0; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_FLOAT) != 0 && di < NR) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project floatsData[di] = strtof(buffer+start, &end); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_LONG) != 0 && di < NL) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char* end; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project longsData[di] = strtoll(buffer+start, &end, 10); 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mode&PROC_OUT_STRING) != 0 && di < NS) { 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring str = env->NewStringUTF(buffer+start); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetObjectArrayElement(outStrings, di, str); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer[end] = c; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project di++; 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseIntArrayElements(format, formatData, 0); 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (longsData != NULL) { 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseLongArrayElements(outLongs, longsData, 0); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (floatsData != NULL) { 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseFloatArrayElements(outFloats, floatsData, 0); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 748c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_parseProcLine(JNIEnv* env, jobject clazz, 749c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyteArray buffer, jint startIndex, jint endIndex, jintArray format, 750c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jobjectArray outStrings, jlongArray outLongs, jfloatArray outFloats) 751c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 752c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jbyte* bufferArray = env->GetByteArrayElements(buffer, NULL); 753c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 754c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jboolean result = android_os_Process_parseProcLineArray(env, clazz, 755c64edde69d18498fb2954f71a546357b07ab996aEvan Millar (char*) bufferArray, startIndex, endIndex, format, outStrings, 756c64edde69d18498fb2954f71a546357b07ab996aEvan Millar outLongs, outFloats); 757c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 758c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseByteArrayElements(buffer, bufferArray, 0); 759c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 760c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return result; 761c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 762c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 763c64edde69d18498fb2954f71a546357b07ab996aEvan Millarjboolean android_os_Process_readProcFile(JNIEnv* env, jobject clazz, 764c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jstring file, jintArray format, jobjectArray outStrings, 765c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jlongArray outLongs, jfloatArray outFloats) 766c64edde69d18498fb2954f71a546357b07ab996aEvan Millar{ 767c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file == NULL || format == NULL) { 768c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/NullPointerException", NULL); 769c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 770c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 771c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 772c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const char* file8 = env->GetStringUTFChars(file, NULL); 773c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (file8 == NULL) { 774c64edde69d18498fb2954f71a546357b07ab996aEvan Millar jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 775c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 776c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 777c64edde69d18498fb2954f71a546357b07ab996aEvan Millar int fd = open(file8, O_RDONLY); 778c64edde69d18498fb2954f71a546357b07ab996aEvan Millar env->ReleaseStringUTFChars(file, file8); 779c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 780c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (fd < 0) { 781c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s\n", file8); 782c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 783c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 784c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 785c64edde69d18498fb2954f71a546357b07ab996aEvan Millar char buffer[256]; 786c64edde69d18498fb2954f71a546357b07ab996aEvan Millar const int len = read(fd, buffer, sizeof(buffer)-1); 787c64edde69d18498fb2954f71a546357b07ab996aEvan Millar close(fd); 788c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 789c64edde69d18498fb2954f71a546357b07ab996aEvan Millar if (len < 0) { 790c64edde69d18498fb2954f71a546357b07ab996aEvan Millar //LOGW("Unable to open process file: %s fd=%d\n", file8, fd); 791c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return JNI_FALSE; 792c64edde69d18498fb2954f71a546357b07ab996aEvan Millar } 793c64edde69d18498fb2954f71a546357b07ab996aEvan Millar buffer[len] = 0; 794c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 795c64edde69d18498fb2954f71a546357b07ab996aEvan Millar return android_os_Process_parseProcLineArray(env, clazz, buffer, 0, len, 796c64edde69d18498fb2954f71a546357b07ab996aEvan Millar format, outStrings, outLongs, outFloats); 797c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 798c64edde69d18498fb2954f71a546357b07ab996aEvan Millar} 799c64edde69d18498fb2954f71a546357b07ab996aEvan Millar 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_setApplicationObject(JNIEnv* env, jobject clazz, 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject binderObject) 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (binderObject == NULL) { 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> binder = ibinderForJavaObject(env, binderObject); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid android_os_Process_sendSignal(JNIEnv* env, jobject clazz, jint pid, jint sig) 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pid > 0) { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("Sending signal. PID: %d SIG: %d", pid, sig); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kill(pid, sig); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getElapsedCpuTime(JNIEnv* env, jobject clazz) 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project struct timespec ts; 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int res = clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != 0) { 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) 0; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nsecs_t when = seconds_to_nanoseconds(ts.tv_sec) + ts.tv_nsec; 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) nanoseconds_to_milliseconds(when); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Process_getPss(JNIEnv* env, jobject clazz, jint pid) 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char filename[64]; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(filename, sizeof(filename), "/proc/%d/smaps", pid); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FILE * file = fopen(filename, "r"); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!file) { 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jlong) -1; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Tally up all of the Pss from the various maps 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char line[256]; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pss = 0; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (fgets(line, sizeof(line), file)) { 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong v; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sscanf(line, "Pss: %lld kB", &v) == 1) { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pss += v; 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fclose(file); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return the Pss value in bytes, not kilobytes 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pss * 1024; 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod methods[] = { 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myPid", "()I", (void*)android_os_Process_myPid}, 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myTid", "()I", (void*)android_os_Process_myTid}, 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"myUid", "()I", (void*)android_os_Process_myUid}, 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getUidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getUidForName}, 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getGidForName", "(Ljava/lang/String;)I", (void*)android_os_Process_getGidForName}, 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(II)V", (void*)android_os_Process_setThreadPriority}, 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setThreadPriority", "(I)V", (void*)android_os_Process_setCallingThreadPriority}, 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getThreadPriority", "(I)I", (void*)android_os_Process_getThreadPriority}, 869e9d376b801b7890b1ef5006ed55de4208e64bb63San Mehat {"setThreadGroup", "(II)V", (void*)android_os_Process_setThreadGroup}, 8703e458241d9930465a20a861ecb42744355d48e48San Mehat {"setProcessGroup", "(II)V", (void*)android_os_Process_setProcessGroup}, 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setOomAdj", "(II)Z", (void*)android_os_Process_setOomAdj}, 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setArgV0", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0}, 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setUid", "(I)I", (void*)android_os_Process_setUid}, 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setGid", "(I)I", (void*)android_os_Process_setGid}, 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal}, 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"supportsProcesses", "()Z", (void*)android_os_Process_supportsProcesses}, 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getFreeMemory", "()I", (void*)android_os_Process_getFreeMemory}, 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V", (void*)android_os_Process_readProcLines}, 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPids", "(Ljava/lang/String;[I)[I", (void*)android_os_Process_getPids}, 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readProcFile", "(Ljava/lang/String;[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_readProcFile}, 881c64edde69d18498fb2954f71a546357b07ab996aEvan Millar {"parseProcLine", "([BII[I[Ljava/lang/String;[J[F)Z", (void*)android_os_Process_parseProcLine}, 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getElapsedCpuTime", "()J", (void*)android_os_Process_getElapsedCpuTime}, 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getPss", "(I)J", (void*)android_os_Process_getPss}, 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //{"setApplicationObject", "(Landroid/os/IBinder;)V", (void*)android_os_Process_setApplicationObject}, 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kProcessPathName = "android/os/Process"; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Process(JNIEnv* env) 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kProcessPathName); 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Process"); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kProcessPathName, 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project methods, NELEM(methods)); 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 900