android_util_Binder.cpp revision 0234376503ce421c4b871d5d811c541f5094301a
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "JavaBinder" 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_util_Binder.h" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "JNIHelp.h" 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 24ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick#include <stdio.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/stat.h> 262c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick#include <sys/types.h> 278f26b323d8f78c6a183e74c464864ef7da457267Brad Fitzpatrick#include <unistd.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Atomic.h> 300795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IInterface.h> 310795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 332c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick#include <utils/SystemClock.h> 342c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick#include <cutils/logger.h> 350795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/Parcel.h> 360795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/ProcessState.h> 370795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IServiceManager.h> 385348c014129b766d621ef82a6e42007009ffc310Brad Fitzpatrick#include <utils/threads.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#undef LOGV 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOGV(...) fprintf(stderr, __VA_ARGS__) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing namespace android; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct bindernative_offsets_t 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mExecTransact; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Object state. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mObject; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gBinderOffsets; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct binderinternal_offsets_t 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mForceGc; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gBinderInternalOffsets; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct debug_offsets_t 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gDebugOffsets; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct weakreference_offsets_t 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mGet; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gWeakReferenceOffsets; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct error_offsets_t 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gErrorOffsets; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct binderproxy_offsets_t 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mConstructor; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mSendDeathNotice; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Object state. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mObject; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mSelf; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gBinderProxyOffsets; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct parcel_offsets_t 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mObject; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mOwnObject; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gParcelOffsets; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct log_offsets_t 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class state. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mLogE; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gLogOffsets; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct file_descriptor_offsets_t 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mConstructor; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfieldID mDescriptor; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gFileDescriptorOffsets; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic struct parcel_file_descriptor_offsets_t 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass mClass; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jmethodID mConstructor; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} gParcelFileDescriptorOffsets; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 137727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrickstatic struct strict_mode_callback_offsets_t 138727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick{ 139727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick jclass mClass; 140727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick jmethodID mCallback; 141727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick} gStrictModeCallbackOffsets; 142727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gNumRefsCreated = 0; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gNumProxyRefs = 0; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gNumLocalRefs = 0; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic volatile int32_t gNumDeathRefs = 0; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void incRefsCreated(JNIEnv* env) 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int old = android_atomic_inc(&gNumRefsCreated); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (old == 200) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_and(0, &gNumRefsCreated); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(gBinderInternalOffsets.mClass, 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderInternalOffsets.mForceGc); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Now have %d binder ops", old); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JavaVM* jnienv_to_javavm(JNIEnv* env) 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaVM* vm; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->GetJavaVM(&vm) >= 0 ? vm : NULL; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNIEnv* javavm_to_jnienv(JavaVM* vm) 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return vm->GetEnv((void **)&env, JNI_VERSION_1_4) >= 0 ? env : NULL; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void report_exception(JNIEnv* env, jthrowable excep, const char* msg) 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring tagstr = env->NewStringUTF(LOG_TAG); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring msgstr = env->NewStringUTF(msg); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((tagstr == NULL) || (msgstr == NULL)) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); /* assume exception (OOM?) was thrown */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Unable to call Log.e()\n"); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("%s", msg); 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto bail; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticIntMethod( 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gLogOffsets.mClass, gLogOffsets.mLogE, tagstr, msgstr, excep); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionCheck()) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* attempting to log the failure has failed */ 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Failed trying to log exception, msg='%s'\n", msg); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ExceptionClear(); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->IsInstanceOf(excep, gErrorOffsets.mClass)) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's an Error: Reraise the exception, detach this thread, and 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * wait for the fireworks. Die even more blatantly after a minute 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the gentler attempt doesn't do the trick. 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The GetJavaVM function isn't on the "approved" list of JNI calls 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that can be made while an exception is pending, so we want to 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * get the VM ptr, throw the exception, and then detach the thread. 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaVM* vm = jnienv_to_javavm(env); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->Throw(excep); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project vm->DetachCurrentThread(); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sleep(60); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Forcefully exiting"); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exit(1); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *((int *) 1) = 1; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbail: 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* discard local refs created for us by VM */ 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(tagstr); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(msgstr); 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 223727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrickstatic void set_dalvik_blockguard_policy(JNIEnv* env, jint strict_policy) 224727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick{ 225727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Call back into android.os.StrictMode#onBinderStrictModePolicyChange 226727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // to sync our state back to it. See the comments in StrictMode.java. 227727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick env->CallStaticVoidMethod(gStrictModeCallbackOffsets.mClass, 228727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick gStrictModeCallbackOffsets.mCallback, 229727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick strict_policy); 230727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick} 231727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass JavaBBinderHolder; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass JavaBBinder : public BBinder 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaBBinder(JNIEnv* env, jobject object) 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mVM(jnienv_to_javavm(env)), mObject(env->NewGlobalRef(object)) 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Creating JavaBBinder %p\n", this); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_inc(&gNumLocalRefs); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incRefsCreated(env); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool checkSubclass(const void* subclassID) const 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return subclassID == &gBinderOffsets; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object() const 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mObject; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprotected: 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual ~JavaBBinder() 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Destroying JavaBBinder %p\n", this); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_dec(&gNumLocalRefs); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = javavm_to_jnienv(mVM); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef(mObject); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t onTransact( 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0) 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = javavm_to_jnienv(mVM); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("onTransact() on %p calling object %p in env %p vm %p\n", this, mObject, env, mVM); 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 271727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick IPCThreadState* thread_state = IPCThreadState::self(); 272727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick const int strict_policy_before = thread_state->getStrictModePolicy(); 2730234376503ce421c4b871d5d811c541f5094301aBrad Fitzpatrick thread_state->setLastTransactionBinderFlags(flags); 274727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Transact from %p to Java code sending: ", this); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //data.print(); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("\n"); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = env->CallBooleanMethod(mObject, gBinderOffsets.mExecTransact, 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project code, (int32_t)&data, (int32_t)reply, flags); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jthrowable excep = env->ExceptionOccurred(); 281727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 282727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Restore the Java binder thread's state if it changed while 283727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // processing a call (as it would if the Parcel's header had a 284727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // new policy mask and Parcel.enforceInterface() changed 285727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // it...) 286727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick const int strict_policy_after = thread_state->getStrictModePolicy(); 287727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick if (strict_policy_after != strict_policy_before) { 288727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Our thread-local... 289727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick thread_state->setStrictModePolicy(strict_policy_before); 290727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // And the Java-level thread-local... 291727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick set_dalvik_blockguard_policy(env, strict_policy_before); 292727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 293727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (excep) { 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project report_exception(env, excep, 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "*** Uncaught remote exception! " 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Exceptions are not yet supported across processes.)"); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_FALSE; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* clean up JNI local ref -- we don't return to Java code */ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteLocalRef(excep); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //aout << "onTransact to Java code; result=" << res << endl 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // << "Transact from " << this << " to Java code returning " 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // << reply << ": " << *reply << endl; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res != JNI_FALSE ? NO_ERROR : UNKNOWN_TRANSACTION; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual status_t dump(int fd, const Vector<String16>& args) 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaVM* const mVM; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject const mObject; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass JavaBBinderHolder : public RefBase 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaBBinderHolder(JNIEnv* env, jobject object) 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mObject(object) 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Creating JavaBBinderHolder for Object %p\n", object); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~JavaBBinderHolder() 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Destroying JavaBBinderHolder for Object %p\n", mObject); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<JavaBBinder> get(JNIEnv* env) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<JavaBBinder> b = mBinder.promote(); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (b == NULL) { 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project b = new JavaBBinder(env, mObject); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBinder = b; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Creating JavaBinder %p (refs %p) for Object %p, weakCount=%d\n", 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project b.get(), b->getWeakRefs(), mObject, b->getWeakRefs()->getWeakCount()); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return b; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<JavaBBinder> getExisting() 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mLock); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBinder.promote(); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex mLock; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject mObject; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wp<JavaBBinder> mBinder; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass JavaDeathRecipient : public IBinder::DeathRecipient 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaDeathRecipient(JNIEnv* env, jobject object) 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mVM(jnienv_to_javavm(env)), mObject(env->NewGlobalRef(object)), 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHoldsRef(true) 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incStrong(this); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_inc(&gNumDeathRefs); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incRefsCreated(env); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void binderDied(const wp<IBinder>& who) 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = javavm_to_jnienv(mVM); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Receiving binderDied() on JavaDeathRecipient %p\n", this); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->CallStaticVoidMethod(gBinderProxyOffsets.mClass, 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mSendDeathNotice, mObject); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jthrowable excep = env->ExceptionOccurred(); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (excep) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project report_exception(env, excep, 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "*** Uncaught exception returned from death notification!"); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearReference(); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clearReference() 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool release = false; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHoldsRef) { 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHoldsRef = false; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project release = true; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (release) { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project decStrong(this); 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprotected: 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project virtual ~JavaDeathRecipient() 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Removing death ref: recipient=%p\n", mObject); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_dec(&gNumDeathRefs); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = javavm_to_jnienv(mVM); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef(mObject); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaVM* const mVM; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject const mObject; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex mLock; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool mHoldsRef; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void proxy_cleanup(const void* id, void* obj, void* cleanupCookie) 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_dec(&gNumProxyRefs); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env = javavm_to_jnienv((JavaVM*)cleanupCookie); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef((jobject)obj); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic Mutex mProxyLock; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjobject javaObjectForIBinder(JNIEnv* env, const sp<IBinder>& val) 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (val == NULL) return NULL; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (val->checkSubclass(&gBinderOffsets)) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // One of our own! 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object = static_cast<JavaBBinder*>(val.get())->object(); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("objectForBinder %p: it's our own %p!\n", val.get(), object); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return object; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // For the rest of the function we will hold this lock, to serialize 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // looking/creation of Java proxies for native Binder proxies. 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex _l(mProxyLock); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Someone else's... do we know about it? 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object = (jobject)val->findObject(&gBinderProxyOffsets); 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object != NULL) { 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject res = env->CallObjectMethod(object, gWeakReferenceOffsets.mGet); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (res != NULL) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("objectForBinder %p: found existing %p!\n", val.get(), res); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Proxy object %p of IBinder %p no longer in working set!!!", object, val.get()); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_dec(&gNumProxyRefs); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project val->detachObject(&gBinderProxyOffsets); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->DeleteGlobalRef(object); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project object = env->NewObject(gBinderProxyOffsets.mClass, gBinderProxyOffsets.mConstructor); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object != NULL) { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("objectForBinder %p: created new %p!\n", val.get(), object); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The proxy holds a reference to the native object. 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(object, gBinderProxyOffsets.mObject, (int)val.get()); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project val->incStrong(object); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The native object needs to hold a weak reference back to the 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // proxy, so we can retrieve the same proxy if it is still active. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject refObject = env->NewGlobalRef( 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetObjectField(object, gBinderProxyOffsets.mSelf)); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project val->attachObject(&gBinderProxyOffsets, refObject, 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jnienv_to_javavm(env), proxy_cleanup); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note that a new object reference has been created. 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_inc(&gNumProxyRefs); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project incRefsCreated(env); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return object; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IBinder> ibinderForJavaObject(JNIEnv* env, jobject obj) 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj == NULL) return NULL; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->IsInstanceOf(obj, gBinderOffsets.mClass)) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaBBinderHolder* jbh = (JavaBBinderHolder*) 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderOffsets.mObject); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return jbh != NULL ? jbh->get(env) : NULL; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->IsInstanceOf(obj, gBinderProxyOffsets.mClass)) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (IBinder*) 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("ibinderForJavaObject: %p is not a Binder object", obj); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectParcel* parcelForJavaObject(JNIEnv* env, jobject obj) 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* p = (Parcel*)env->GetIntField(obj, gParcelOffsets.mObject); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p != NULL) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "Parcel has been finalized!"); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjobject newFileDescriptor(JNIEnv* env, int fd) 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object = env->NewObject( 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gFileDescriptorOffsets.mClass, gFileDescriptorOffsets.mConstructor); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object != NULL) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Created new FileDescriptor %p with fd %d\n", object, fd); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(object, gFileDescriptorOffsets.mDescriptor, fd); 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return object; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjobject newParcelFileDescriptor(JNIEnv* env, jobject fileDesc) 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewObject( 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelFileDescriptorOffsets.mClass, gParcelFileDescriptorOffsets.mConstructor, fileDesc); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid signalExceptionForError(JNIEnv* env, jobject obj, status_t err) 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (err) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case UNKNOWN_ERROR: 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown error"); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NO_MEMORY: 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case INVALID_OPERATION: 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/UnsupportedOperationException", NULL); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case BAD_VALUE: 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case BAD_INDEX: 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IndexOutOfBoundsException", NULL); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case BAD_TYPE: 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NAME_NOT_FOUND: 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/util/NoSuchElementException", NULL); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PERMISSION_DENIED: 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", NULL); 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NOT_ENOUGH_DATA: 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "android/os/ParcelFormatException", "Not enough data"); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case NO_INIT: 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Not initialized"); 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case ALREADY_EXISTS: 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Item already exists"); 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case DEAD_OBJECT: 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "android/os/DeadObjectException", NULL); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case UNKNOWN_TRANSACTION: 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Unknown transaction code"); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case FAILED_TRANSACTION: 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("!!! FAILED BINDER TRANSACTION !!!"); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //jniThrowException(env, "java/lang/OutOfMemoryError", "Binder transaction too large"); 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Unknown binder error code. 0x%x", err); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Binder_getCallingPid(JNIEnv* env, jobject clazz) 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return IPCThreadState::self()->getCallingPid(); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Binder_getCallingUid(JNIEnv* env, jobject clazz) 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return IPCThreadState::self()->getCallingUid(); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Binder_clearCallingIdentity(JNIEnv* env, jobject clazz) 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return IPCThreadState::self()->clearCallingIdentity(); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Binder_restoreCallingIdentity(JNIEnv* env, jobject clazz, jlong token) 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->restoreCallingIdentity(token); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrickstatic void android_os_Binder_setThreadStrictModePolicy(JNIEnv* env, jobject clazz, jint policyMask) 610727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick{ 611727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick IPCThreadState::self()->setStrictModePolicy(policyMask); 612727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick} 613727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 614727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrickstatic jint android_os_Binder_getThreadStrictModePolicy(JNIEnv* env, jobject clazz) 615727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick{ 616727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick return IPCThreadState::self()->getStrictModePolicy(); 617727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick} 618727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Binder_flushPendingCommands(JNIEnv* env, jobject clazz) 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Binder_init(JNIEnv* env, jobject clazz) 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaBBinderHolder* jbh = new JavaBBinderHolder(env, clazz); 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (jbh == NULL) { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Java Binder %p: acquiring first ref on holder %p", clazz, jbh); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbh->incStrong(clazz); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(clazz, gBinderOffsets.mObject, (int)jbh); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Binder_destroy(JNIEnv* env, jobject clazz) 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaBBinderHolder* jbh = (JavaBBinderHolder*) 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(clazz, gBinderOffsets.mObject); 640582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown if (jbh != NULL) { 641582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown env->SetIntField(clazz, gBinderOffsets.mObject, 0); 642582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown LOGV("Java Binder %p: removing ref on holder %p", clazz, jbh); 643582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown jbh->decStrong(clazz); 644582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown } else { 645582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // Encountering an uninitialized binder is harmless. All it means is that 646582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // the Binder was only partially initialized when its finalizer ran and called 647582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // destroy(). The Binder could be partially initialized for several reasons. 648582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // For example, a Binder subclass constructor might have thrown an exception before 649582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // it could delegate to its superclass's constructor. Consequently init() would 650582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown // not have been called and the holder pointer would remain NULL. 651582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown LOGV("Java Binder %p: ignoring uninitialized binder", clazz); 652582763ae4e2910b4059dccdfd30a447e9fc974d5Jeff Brown } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod gBinderMethods[] = { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "getCallingPid", "()I", (void*)android_os_Binder_getCallingPid }, 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "getCallingUid", "()I", (void*)android_os_Binder_getCallingUid }, 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "clearCallingIdentity", "()J", (void*)android_os_Binder_clearCallingIdentity }, 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "restoreCallingIdentity", "(J)V", (void*)android_os_Binder_restoreCallingIdentity }, 663727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick { "setThreadStrictModePolicy", "(I)V", (void*)android_os_Binder_setThreadStrictModePolicy }, 664727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick { "getThreadStrictModePolicy", "()I", (void*)android_os_Binder_getThreadStrictModePolicy }, 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "flushPendingCommands", "()V", (void*)android_os_Binder_flushPendingCommands }, 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "init", "()V", (void*)android_os_Binder_init }, 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "destroy", "()V", (void*)android_os_Binder_destroy } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kBinderPathName = "android/os/Binder"; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int int_register_android_os_Binder(JNIEnv* env) 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kBinderPathName); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Binder"); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderOffsets.mExecTransact 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetMethodID(clazz, "execTransact", "(IIII)Z"); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderOffsets.mExecTransact); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderOffsets.mObject 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetFieldID(clazz, "mObject", "I"); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderOffsets.mObject); 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kBinderPathName, 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderMethods, NELEM(gBinderMethods)); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Debug_getLocalObjectCount(JNIEnv* env, jobject clazz) 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gNumLocalRefs; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Debug_getProxyObjectCount(JNIEnv* env, jobject clazz) 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gNumProxyRefs; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectjint android_os_Debug_getDeathObjectCount(JNIEnv* env, jobject clazz) 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gNumDeathRefs; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject android_os_BinderInternal_getContextObject(JNIEnv* env, jobject clazz) 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> b = ProcessState::self()->getContextObject(NULL); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return javaObjectForIBinder(env, b); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_BinderInternal_joinThreadPool(JNIEnv* env, jobject clazz) 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder> b = ProcessState::self()->getContextObject(NULL); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android::IPCThreadState::self()->joinThreadPool(); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 732887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackbornstatic void android_os_BinderInternal_disableBackgroundScheduling(JNIEnv* env, 733887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn jobject clazz, jboolean disable) 734887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn{ 735887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn IPCThreadState::disableBackgroundScheduling(disable ? true : false); 736887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn} 737887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_BinderInternal_handleGc(JNIEnv* env, jobject clazz) 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Gc has executed, clearing binder ops"); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android_atomic_and(0, &gNumRefsCreated); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod gBinderInternalMethods[] = { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "getContextObject", "()Landroid/os/IBinder;", (void*)android_os_BinderInternal_getContextObject }, 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "joinThreadPool", "()V", (void*)android_os_BinderInternal_joinThreadPool }, 750887f355f99ff83d568ef2885a4fdcaae475583dfDianne Hackborn { "disableBackgroundScheduling", "(Z)V", (void*)android_os_BinderInternal_disableBackgroundScheduling }, 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "handleGc", "()V", (void*)android_os_BinderInternal_handleGc } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kBinderInternalPathName = "com/android/internal/os/BinderInternal"; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int int_register_android_os_BinderInternal(JNIEnv* env) 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kBinderInternalPathName); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class com.android.internal.os.BinderInternal"); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderInternalOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderInternalOffsets.mForceGc 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetStaticMethodID(clazz, "forceBinderGc", "()V"); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderInternalOffsets.mForceGc); 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kBinderInternalPathName, 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderInternalMethods, NELEM(gBinderInternalMethods)); 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jboolean android_os_BinderProxy_pingBinder(JNIEnv* env, jobject obj) 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == NULL) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = target->pingBinder(); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return err == NO_ERROR ? JNI_TRUE : JNI_FALSE; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_os_BinderProxy_getInterfaceDescriptor(JNIEnv* env, jobject obj) 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) env->GetIntField(obj, gBinderProxyOffsets.mObject); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target != NULL) { 7922c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick const String16& desc = target->getInterfaceDescriptor(); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewString(desc.string(), desc.size()); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "No binder found for object"); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jboolean android_os_BinderProxy_isBinderAlive(JNIEnv* env, jobject obj) 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == NULL) { 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool alive = target->isBinderAlive(); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return alive ? JNI_TRUE : JNI_FALSE; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8112c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrickstatic int getprocname(pid_t pid, char *buf, size_t len) { 8122c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick char filename[20]; 8132c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick FILE *f; 8142c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8152c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick sprintf(filename, "/proc/%d/cmdline", pid); 8162c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick f = fopen(filename, "r"); 8172c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!f) { *buf = '\0'; return 1; } 8182c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!fgets(buf, len, f)) { *buf = '\0'; return 2; } 8192c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick fclose(f); 8202c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return 0; 8212c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick} 8222c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8232c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrickstatic bool push_eventlog_string(char** pos, const char* end, const char* str) { 8242c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick jint len = strlen(str); 8252c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick int space_needed = 1 + sizeof(len) + len; 8262c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (end - *pos < space_needed) { 8272c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick LOGW("not enough space for string. remain=%d; needed=%d", 8282c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick (end - *pos), space_needed); 8292c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return false; 8302c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 8312c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick **pos = EVENT_TYPE_STRING; 8322c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick (*pos)++; 8332c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick memcpy(*pos, &len, sizeof(len)); 8342c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick *pos += sizeof(len); 8352c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick memcpy(*pos, str, len); 8362c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick *pos += len; 8372c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return true; 8382c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick} 8392c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8402c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrickstatic bool push_eventlog_int(char** pos, const char* end, jint val) { 8412c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick int space_needed = 1 + sizeof(val); 8422c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (end - *pos < space_needed) { 8432c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick LOGW("not enough space for int. remain=%d; needed=%d", 8442c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick (end - *pos), space_needed); 8452c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return false; 8462c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 8472c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick **pos = EVENT_TYPE_INT; 8482c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick (*pos)++; 8492c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick memcpy(*pos, &val, sizeof(val)); 8502c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick *pos += sizeof(val); 8512c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return true; 8522c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick} 8532c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8542c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick// From frameworks/base/core/java/android/content/EventLogTags.logtags: 8552c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick#define LOGTAG_BINDER_OPERATION 52004 8562c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8572c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrickstatic void conditionally_log_binder_call(int64_t start_millis, 8582c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick IBinder* target, jint code) { 8592c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick int duration_ms = static_cast<int>(uptimeMillis() - start_millis); 8602c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8612c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick int sample_percent; 8622c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (duration_ms >= 500) { 8632c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick sample_percent = 100; 8642c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } else { 8652c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick sample_percent = 100 * duration_ms / 500; 8662c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (sample_percent == 0) { 8672c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return; 8682c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 8692c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (sample_percent < (random() % 100 + 1)) { 8702c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick return; 8712c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 8722c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 8732c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8742c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick char process_name[40]; 8752c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick getprocname(getpid(), process_name, sizeof(process_name)); 8762c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick String8 desc(target->getInterfaceDescriptor()); 8772c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 8782c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick char buf[LOGGER_ENTRY_MAX_PAYLOAD]; 8792c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick buf[0] = EVENT_TYPE_LIST; 8802c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick buf[1] = 5; 8812c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick char* pos = &buf[2]; 8822c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick char* end = &buf[LOGGER_ENTRY_MAX_PAYLOAD - 1]; // leave room for final \n 8832c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!push_eventlog_string(&pos, end, desc.string())) return; 8842c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!push_eventlog_int(&pos, end, code)) return; 8852c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!push_eventlog_int(&pos, end, duration_ms)) return; 8862c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!push_eventlog_string(&pos, end, process_name)) return; 8872c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick if (!push_eventlog_int(&pos, end, sample_percent)) return; 8882c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick *(pos++) = '\n'; // conventional with EVENT_TYPE_LIST apparently. 8892c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick android_bWriteLog(LOGTAG_BINDER_OPERATION, buf, pos - buf); 8902c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick} 8912c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 892ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick// We only measure binder call durations to potentially log them if 893ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick// we're on the main thread. Unfortunately sim-eng doesn't seem to 894ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick// have gettid, so we just ignore this and don't log if we can't 895ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick// get the thread id. 896ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrickstatic bool should_time_binder_calls() { 8975348c014129b766d621ef82a6e42007009ffc310Brad Fitzpatrick#ifdef HAVE_GETTID 8985348c014129b766d621ef82a6e42007009ffc310Brad Fitzpatrick return (getpid() == androidGetTid()); 899ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick#else 900ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick#warning no gettid(), so not logging Binder calls... 901ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick return false; 902ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick#endif 903ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick} 904ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jboolean android_os_BinderProxy_transact(JNIEnv* env, jobject obj, 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint code, jobject dataObj, 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject replyObj, jint flags) 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dataObj == NULL) { 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* data = parcelForJavaObject(env, dataObj); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (data == NULL) { 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* reply = parcelForJavaObject(env, replyObj); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (reply == NULL && replyObj != NULL) { 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == NULL) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", "Binder has been finalized!"); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Java code calling transact on %p in Java object %p with code %d\n", 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project target, obj, code); 9322c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 9332c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick // Only log the binder call duration for things on the Java-level main thread. 934ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick // But if we don't 935ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick const bool time_binder_calls = should_time_binder_calls(); 936ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick 9372c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick int64_t start_millis; 938ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick if (time_binder_calls) { 9392c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick start_millis = uptimeMillis(); 9402c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //printf("Transact from Java code to %p sending: ", target); data->print(); 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = target->transact(code, *data, reply, flags); 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //if (reply) printf("Transact from Java code to %p received: ", target); reply->print(); 944ad8fd282dde705ad090b2ecdc5b363df399230abBrad Fitzpatrick if (time_binder_calls) { 9452c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick conditionally_log_binder_call(start_millis, target, code); 9462c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick } 9472c5da313dd72c284fbc2c11839f8a452ab5ce574Brad Fitzpatrick 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == NO_ERROR) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_TRUE; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (err == UNKNOWN_TRANSACTION) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForError(env, obj, err); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_BinderProxy_linkToDeath(JNIEnv* env, jobject obj, 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject recipient, jint flags) 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (recipient == NULL) { 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == NULL) { 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Binder has been finalized when calling linkToDeath() with recip=%p)\n", recipient); 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(false); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("linkToDeath: binder=%p recipient=%p\n", target, recipient); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!target->localBinder()) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<JavaDeathRecipient> jdr = new JavaDeathRecipient(env, recipient); 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = target->linkToDeath(jdr, recipient, flags); 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Failure adding the death recipient, so clear its reference 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now. 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jdr->clearReference(); 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project signalExceptionForError(env, obj, err); 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jboolean android_os_BinderProxy_unlinkToDeath(JNIEnv* env, jobject obj, 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject recipient, jint flags) 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean res = JNI_FALSE; 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (recipient == NULL) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* target = (IBinder*) 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (target == NULL) { 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("Binder has been finalized when calling linkToDeath() with recip=%p)\n", recipient); 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return JNI_FALSE; 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("unlinkToDeath: binder=%p recipient=%p\n", target, recipient); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!target->localBinder()) { 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wp<IBinder::DeathRecipient> dr; 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = target->unlinkToDeath(NULL, recipient, flags, &dr); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == NO_ERROR && dr != NULL) { 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IBinder::DeathRecipient> sdr = dr.promote(); 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JavaDeathRecipient* jdr = static_cast<JavaDeathRecipient*>(sdr.get()); 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (jdr != NULL) { 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jdr->clearReference(); 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == NO_ERROR || err == DEAD_OBJECT) { 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project res = JNI_TRUE; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/util/NoSuchElementException", 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Death link does not exist"); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return res; 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_BinderProxy_destroy(JNIEnv* env, jobject obj) 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder* b = (IBinder*) 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(obj, gBinderProxyOffsets.mObject); 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Destroying BinderProxy %p: binder=%p\n", obj, b); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(obj, gBinderProxyOffsets.mObject, 0); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project b->decStrong(obj); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod gBinderProxyMethods[] = { 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"pingBinder", "()Z", (void*)android_os_BinderProxy_pingBinder}, 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"isBinderAlive", "()Z", (void*)android_os_BinderProxy_isBinderAlive}, 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"getInterfaceDescriptor", "()Ljava/lang/String;", (void*)android_os_BinderProxy_getInterfaceDescriptor}, 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"transact", "(ILandroid/os/Parcel;Landroid/os/Parcel;I)Z", (void*)android_os_BinderProxy_transact}, 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"linkToDeath", "(Landroid/os/IBinder$DeathRecipient;I)V", (void*)android_os_BinderProxy_linkToDeath}, 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"unlinkToDeath", "(Landroid/os/IBinder$DeathRecipient;I)Z", (void*)android_os_BinderProxy_unlinkToDeath}, 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"destroy", "()V", (void*)android_os_BinderProxy_destroy}, 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kBinderProxyPathName = "android/os/BinderProxy"; 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int int_register_android_os_BinderProxy(JNIEnv* env) 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass("java/lang/ref/WeakReference"); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class java.lang.ref.WeakReference"); 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gWeakReferenceOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gWeakReferenceOffsets.mGet 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetMethodID(clazz, "get", "()Ljava/lang/Object;"); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gWeakReferenceOffsets.mGet); 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass("java/lang/Error"); 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class java.lang.Error"); 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gErrorOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kBinderProxyPathName); 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.BinderProxy"); 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mConstructor 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetMethodID(clazz, "<init>", "()V"); 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderProxyOffsets.mConstructor); 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mSendDeathNotice 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetStaticMethodID(clazz, "sendDeathNotice", "(Landroid/os/IBinder$DeathRecipient;)V"); 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderProxyOffsets.mSendDeathNotice); 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mObject 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetFieldID(clazz, "mObject", "I"); 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderProxyOffsets.mObject); 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyOffsets.mSelf 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetFieldID(clazz, "mSelf", "Ljava/lang/ref/WeakReference;"); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gBinderProxyOffsets.mSelf); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kBinderProxyPathName, 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gBinderProxyMethods, NELEM(gBinderProxyMethods)); 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// **************************************************************************** 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Parcel_dataSize(JNIEnv* env, jobject clazz) 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel ? parcel->dataSize() : 0; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Parcel_dataAvail(JNIEnv* env, jobject clazz) 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel ? parcel->dataAvail() : 0; 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Parcel_dataPosition(JNIEnv* env, jobject clazz) 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel ? parcel->dataPosition() : 0; 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Parcel_dataCapacity(JNIEnv* env, jobject clazz) 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel ? parcel->dataCapacity() : 0; 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_setDataSize(JNIEnv* env, jobject clazz, jint size) 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->setDataSize(size); 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_setDataPosition(JNIEnv* env, jobject clazz, jint pos) 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel->setDataPosition(pos); 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_setDataCapacity(JNIEnv* env, jobject clazz, jint size) 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->setDataCapacity(size); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeNative(JNIEnv* env, jobject clazz, 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject data, jint offset, 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint length) 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL) { 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void *dest; 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeInt32(length); 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest = parcel->writeInplace(length); 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dest == NULL) { 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* ar = (jbyte*)env->GetPrimitiveArrayCritical((jarray)data, 0); 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ar) { 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(dest, ar, length); 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleasePrimitiveArrayCritical((jarray)data, ar, 0); 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeInt(JNIEnv* env, jobject clazz, jint val) 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeInt32(val); 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeLong(JNIEnv* env, jobject clazz, jlong val) 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeInt64(val); 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeFloat(JNIEnv* env, jobject clazz, jfloat val) 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeFloat(val); 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeDouble(JNIEnv* env, jobject clazz, jdouble val) 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeDouble(val); 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeString(JNIEnv* env, jobject clazz, jstring val) 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = NO_MEMORY; 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (val) { 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(val, 0); 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = parcel->writeString16(str, env->GetStringLength(val)); 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(val, str); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = parcel->writeString16(NULL, 0); 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeStrongBinder(JNIEnv* env, jobject clazz, jobject object) 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeStrongBinder(ibinderForJavaObject(env, object)); 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeFileDescriptor(JNIEnv* env, jobject clazz, jobject object) 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const status_t err = parcel->writeDupFileDescriptor( 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->GetIntField(object, gFileDescriptorOffsets.mDescriptor)); 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jbyteArray android_os_Parcel_createByteArray(JNIEnv* env, jobject clazz) 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray ret = NULL; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t len = parcel->readInt32(); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sanity check the stored length against the true data size 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (len >= 0 && len <= (int32_t)parcel->dataAvail()) { 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = env->NewByteArray(len); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ret != NULL) { 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* a2 = (jbyte*)env->GetPrimitiveArrayCritical(ret, 0); 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (a2) { 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const void* data = parcel->readInplace(len); 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(a2, data, len); 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleasePrimitiveArrayCritical(ret, a2, 0); 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint android_os_Parcel_readInt(JNIEnv* env, jobject clazz) 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel->readInt32(); 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jlong android_os_Parcel_readLong(JNIEnv* env, jobject clazz) 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel->readInt64(); 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfloat android_os_Parcel_readFloat(JNIEnv* env, jobject clazz) 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel->readFloat(); 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jdouble android_os_Parcel_readDouble(JNIEnv* env, jobject clazz) 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return parcel->readDouble(); 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jstring android_os_Parcel_readString(JNIEnv* env, jobject clazz) 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t len; 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char16_t* str = parcel->readString16Inplace(&len); 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->NewString(str, len); 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject android_os_Parcel_readStrongBinder(JNIEnv* env, jobject clazz) 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return javaObjectForIBinder(env, parcel->readStrongBinder()); 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject android_os_Parcel_readFileDescriptor(JNIEnv* env, jobject clazz) 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = parcel->readFileDescriptor(); 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) return NULL; 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd = dup(fd); 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) return NULL; 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object = env->NewObject( 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gFileDescriptorOffsets.mClass, gFileDescriptorOffsets.mConstructor); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object != NULL) { 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Created new FileDescriptor %p with fd %d\n", object, fd); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(object, gFileDescriptorOffsets.mDescriptor, fd); 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return object; 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject android_os_Parcel_openFileDescriptor(JNIEnv* env, jobject clazz, 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jstring name, jint mode) 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name == NULL) { 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/NullPointerException", NULL); 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str == NULL) { 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Whatever, whatever. 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/IllegalStateException", NULL); 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 name8(str, env->GetStringLength(name)); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int flags=0; 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (mode&0x30000000) { 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0: 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0x10000000: 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = O_RDONLY; 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0x20000000: 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = O_WRONLY; 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0x30000000: 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flags = O_RDWR; 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mode&0x08000000) flags |= O_CREAT; 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mode&0x04000000) flags |= O_TRUNC; 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mode&0x02000000) flags |= O_APPEND; 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int realMode = S_IRWXU|S_IRWXG; 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mode&0x00000001) realMode |= S_IROTH; 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mode&0x00000002) realMode |= S_IWOTH; 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = open(name8.string(), flags, realMode); 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd < 0) { 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/io/FileNotFoundException", NULL); 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject object = newFileDescriptor(env, fd); 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (object == NULL) { 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return object; 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_closeFileDescriptor(JNIEnv* env, jobject clazz, jobject object) 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = env->GetIntField(object, gFileDescriptorOffsets.mDescriptor); 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= 0) { 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(object, gFileDescriptorOffsets.mDescriptor, -1); 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Closing ParcelFileDescriptor %d\n", fd); 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(fd); 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_freeBuffer(JNIEnv* env, jobject clazz) 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t own = env->GetIntField(clazz, gParcelOffsets.mOwnObject); 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (own) { 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Parcel.freeBuffer() called for C++ Parcel %p\n", parcel); 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel->freeData(); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_init(JNIEnv* env, jobject clazz, jint parcelInt) 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = (Parcel*)parcelInt; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int own = 0; 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!parcel) { 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Initializing obj %p: creating new Parcel\n", clazz); 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project own = 1; 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel = new Parcel; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Initializing obj %p: given existing Parcel %p\n", clazz, parcel); 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL) { 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/OutOfMemoryError", NULL); 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Initializing obj %p from C++ Parcel %p, own=%d\n", clazz, parcel, own); 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(clazz, gParcelOffsets.mOwnObject, own); 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(clazz, gParcelOffsets.mObject, (int)parcel); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_destroy(JNIEnv* env, jobject clazz) 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t own = env->GetIntField(clazz, gParcelOffsets.mOwnObject); 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (own) { 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(clazz, gParcelOffsets.mObject, 0); 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Destroying obj %p: deleting C++ Parcel %p\n", clazz, parcel); 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete parcel; 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->SetIntField(clazz, gParcelOffsets.mObject, 0); 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGI("Destroying obj %p: leaving C++ Parcel %p\n", clazz); 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jbyteArray android_os_Parcel_marshall(JNIEnv* env, jobject clazz) 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL) { 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // do not marshall if there are binder objects in the parcel 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel->objectsCount()) 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/RuntimeException", "Tried to marshall a Parcel that contained Binder objects."); 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NULL; 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyteArray ret = env->NewByteArray(parcel->dataSize()); 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ret != NULL) 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(ret, 0); 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (array != NULL) 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(array, parcel->data(), parcel->dataSize()); 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleasePrimitiveArrayCritical(ret, array, 0); 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_unmarshall(JNIEnv* env, jobject clazz, jbyteArray data, jint offset, jint length) 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL || length < 0) { 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(data, 0); 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (array) 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel->setDataSize(length); 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel->setDataPosition(0); 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* raw = parcel->writeInplace(length); 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(raw, (array + offset), length); 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleasePrimitiveArrayCritical(data, array, 0); 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_appendFrom(JNIEnv* env, jobject clazz, jobject parcel, jint offset, jint length) 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* thisParcel = parcelForJavaObject(env, clazz); 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (thisParcel == NULL) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* otherParcel = parcelForJavaObject(env, parcel); 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (otherParcel == NULL) { 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void) thisParcel->appendFrom(otherParcel, offset, length); 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jboolean android_os_Parcel_hasFileDescriptors(JNIEnv* env, jobject clazz) 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean ret = JNI_FALSE; 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel->hasFileDescriptors()) { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = JNI_TRUE; 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_writeInterfaceToken(JNIEnv* env, jobject clazz, jstring name) 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // In the current implementation, the token is just the serialized interface name that 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the caller expects to be invoking 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str != NULL) { 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parcel->writeInterfaceToken(String16(str, env->GetStringLength(name))); 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void android_os_Parcel_enforceInterface(JNIEnv* env, jobject clazz, jstring name) 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jboolean ret = JNI_FALSE; 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel* parcel = parcelForJavaObject(env, clazz); 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel != NULL) { 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const jchar* str = env->GetStringCritical(name, 0); 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (str) { 15707bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick IPCThreadState* threadState = IPCThreadState::self(); 15717bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick const int32_t oldPolicy = threadState->getStrictModePolicy(); 15727bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick const bool isValid = parcel->enforceInterface( 1573727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick String16(str, env->GetStringLength(name)), 15747bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick threadState); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env->ReleaseStringCritical(name, str); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isValid) { 15777bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick const int32_t newPolicy = threadState->getStrictModePolicy(); 15787bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick if (oldPolicy != newPolicy) { 1579727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Need to keep the Java-level thread-local strict 1580727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // mode policy in sync for the libcore 1581727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // enforcements, which involves an upcall back 1582727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // into Java. (We can't modify the 1583727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Parcel.enforceInterface signature, as it's 1584727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // pseudo-public, and used via AIDL 1585727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // auto-generation...) 15867bcad8a315f12bd6251a998781efac7b11c2ca84Brad Fitzpatrick set_dalvik_blockguard_policy(env, newPolicy); 1587727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // everything was correct -> return silently 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // all error conditions wind up here 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowException(env, "java/lang/SecurityException", 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Binder invocation to an incorrect interface"); 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const JNINativeMethod gParcelMethods[] = { 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"dataSize", "()I", (void*)android_os_Parcel_dataSize}, 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"dataAvail", "()I", (void*)android_os_Parcel_dataAvail}, 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"dataPosition", "()I", (void*)android_os_Parcel_dataPosition}, 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"dataCapacity", "()I", (void*)android_os_Parcel_dataCapacity}, 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setDataSize", "(I)V", (void*)android_os_Parcel_setDataSize}, 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setDataPosition", "(I)V", (void*)android_os_Parcel_setDataPosition}, 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"setDataCapacity", "(I)V", (void*)android_os_Parcel_setDataCapacity}, 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeNative", "([BII)V", (void*)android_os_Parcel_writeNative}, 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeInt", "(I)V", (void*)android_os_Parcel_writeInt}, 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeLong", "(J)V", (void*)android_os_Parcel_writeLong}, 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeFloat", "(F)V", (void*)android_os_Parcel_writeFloat}, 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeDouble", "(D)V", (void*)android_os_Parcel_writeDouble}, 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeString", "(Ljava/lang/String;)V", (void*)android_os_Parcel_writeString}, 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeStrongBinder", "(Landroid/os/IBinder;)V", (void*)android_os_Parcel_writeStrongBinder}, 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeFileDescriptor", "(Ljava/io/FileDescriptor;)V", (void*)android_os_Parcel_writeFileDescriptor}, 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"createByteArray", "()[B", (void*)android_os_Parcel_createByteArray}, 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readInt", "()I", (void*)android_os_Parcel_readInt}, 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readLong", "()J", (void*)android_os_Parcel_readLong}, 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readFloat", "()F", (void*)android_os_Parcel_readFloat}, 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readDouble", "()D", (void*)android_os_Parcel_readDouble}, 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readString", "()Ljava/lang/String;", (void*)android_os_Parcel_readString}, 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"readStrongBinder", "()Landroid/os/IBinder;", (void*)android_os_Parcel_readStrongBinder}, 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"internalReadFileDescriptor", "()Ljava/io/FileDescriptor;", (void*)android_os_Parcel_readFileDescriptor}, 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"openFileDescriptor", "(Ljava/lang/String;I)Ljava/io/FileDescriptor;", (void*)android_os_Parcel_openFileDescriptor}, 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"closeFileDescriptor", "(Ljava/io/FileDescriptor;)V", (void*)android_os_Parcel_closeFileDescriptor}, 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"freeBuffer", "()V", (void*)android_os_Parcel_freeBuffer}, 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"init", "(I)V", (void*)android_os_Parcel_init}, 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"destroy", "()V", (void*)android_os_Parcel_destroy}, 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"marshall", "()[B", (void*)android_os_Parcel_marshall}, 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"unmarshall", "([BII)V", (void*)android_os_Parcel_unmarshall}, 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"appendFrom", "(Landroid/os/Parcel;II)V", (void*)android_os_Parcel_appendFrom}, 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"hasFileDescriptors", "()Z", (void*)android_os_Parcel_hasFileDescriptors}, 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"writeInterfaceToken", "(Ljava/lang/String;)V", (void*)android_os_Parcel_writeInterfaceToken}, 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"enforceInterface", "(Ljava/lang/String;)V", (void*)android_os_Parcel_enforceInterface}, 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst char* const kParcelPathName = "android/os/Parcel"; 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int int_register_android_os_Parcel(JNIEnv* env) 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass clazz; 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass("android/util/Log"); 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.util.Log"); 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gLogOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gLogOffsets.mLogE = env->GetStaticMethodID( 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz, "e", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I"); 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assert(gLogOffsets.mLogE); 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass("java/io/FileDescriptor"); 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class java.io.FileDescriptor"); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gFileDescriptorOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gFileDescriptorOffsets.mConstructor 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetMethodID(clazz, "<init>", "()V"); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gFileDescriptorOffsets.mDescriptor = env->GetFieldID(clazz, "descriptor", "I"); 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(gFileDescriptorOffsets.mDescriptor == NULL, 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Unable to find descriptor field in java.io.FileDescriptor"); 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass("android/os/ParcelFileDescriptor"); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.ParcelFileDescriptor"); 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelFileDescriptorOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelFileDescriptorOffsets.mConstructor 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetMethodID(clazz, "<init>", "(Ljava/io/FileDescriptor;)V"); 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clazz = env->FindClass(kParcelPathName); 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.Parcel"); 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelOffsets.mObject 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetFieldID(clazz, "mObject", "I"); 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelOffsets.mOwnObject 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = env->GetFieldID(clazz, "mOwnObject", "I"); 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1673727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick clazz = env->FindClass("android/os/StrictMode"); 1674727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick LOG_FATAL_IF(clazz == NULL, "Unable to find class android.os.StrictMode"); 1675727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick gStrictModeCallbackOffsets.mClass = (jclass) env->NewGlobalRef(clazz); 1676727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick gStrictModeCallbackOffsets.mCallback = env->GetStaticMethodID( 1677727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick clazz, "onBinderStrictModePolicyChange", "(I)V"); 1678727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick LOG_FATAL_IF(gStrictModeCallbackOffsets.mCallback == NULL, 1679727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick "Unable to find strict mode callback."); 1680727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods( 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project env, kParcelPathName, 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gParcelMethods, NELEM(gParcelMethods)); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_os_Binder(JNIEnv* env) 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (int_register_android_os_Binder(env) < 0) 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (int_register_android_os_BinderInternal(env) < 0) 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (int_register_android_os_BinderProxy(env) < 0) 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (int_register_android_os_Parcel(env) < 0) 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Returns the Unix file descriptor for a ParcelFileDescriptor object 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint getParcelFileDescriptorFD(JNIEnv* env, jobject object) 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return env->GetIntField(object, gFileDescriptorOffsets.mDescriptor); 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1708