IPCThreadState.cpp revision dcd3958c5086f757dc09472700ae7384efea7fc8
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks#define LOG_TAG "IPCThreadState" 18dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 19c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/IPCThreadState.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 21c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 22c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 23dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks#include <cutils/sched_policy.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Debug.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/TextOutput.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 30208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/Static.h> 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/ioctl.h> 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <signal.h> 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <errno.h> 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <unistd.h> 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_PTHREADS 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <pthread.h> 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sched.h> 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/resource.h> 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_WIN32_THREADS 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <windows.h> 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_NDEBUG 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() if (false) 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() if (false) 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() if (false) 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() IF_LOG(LOG_VERBOSE, "transact") 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() IF_LOG(LOG_VERBOSE, "ipc") 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) LOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() IF_LOG(LOG_DEBUG, "remoterefs") 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) LOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) LOG(LOG_DEBUG, "ipc", __VA_ARGS__) 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx); 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd); 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd); 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// This will result in a missing symbol failure if the IF_LOG_COMMANDS() 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// conditionals don't get stripped... but that is probably what we want. 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if !LOG_NDEBUG 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kReturnStrings[] = { 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TIMEOUT", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_WAKEUP", 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_EVENT_OCCURRED", 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_CLEAR_DEATH_NOTIFICATION_DONE" 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_NOOP", 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION_COMPLETE", 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RETRIEVE_ROOT_OBJECT", 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SET_THREAD_ENTRY", 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SYNC", 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_PROCESS", 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_SELF", 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx) 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx) 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kCommandStrings) / sizeof(kCommandStrings[0])) 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kCommandStrings[idx]; 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "target=" << btd->target.ptr << " (cookie " << btd->cookie << ")" << endl 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "code=" << TypeCode(btd->code) << ", flags=" << (void*)btd->flags << endl 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl; 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code == BR_ERROR) { 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "BR_ERROR: " << (void*)(*cmd++) << endl; 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (code < 0 || code >= N) { 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kReturnStrings[code]; 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 207edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 211edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 212edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 220edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 223edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 224edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 225edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 228edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code < 0 || code >= N) { 229edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 230edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kCommandStrings[code]; 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 243edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": buffer=" << (void*)buf; 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 253edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 254edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 256edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": descriptor=" << (void*)d; 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": decriptor=" << (void*)d << ", pri=" << p; 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": handle=" << h << " (death cookie " << (void*)c << ")"; 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 284edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 297edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gShutdown) return NULL; 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (pthread_key_create(&gTLS, threadDestructor) != 0) { 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 322edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 323edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 324edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 325edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 326edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 327edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 328edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 329edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 330edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 331edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 337edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 338edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 339edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 340edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 341edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 343edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 345edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingPid() 348edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 349edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 350edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 351edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingUid() 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 372d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingPid = getpid(); 373d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingUid = getuid(); 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 375edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 376edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 377edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 379edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 380edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 381edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 382edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 383edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 384edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 385edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 386edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 387edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 388edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 389edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 390edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 391edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 392edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 393edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // When we've cleared the incoming command queue, process any pending derefs 394edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataPosition() >= mIn.dataSize()) { 395edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t numPending = mPendingWeakDerefs.size(); 396edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 397edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 398edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 399edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->decWeak(mProcess.get()); 400edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.clear(); 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project numPending = mPendingStrongDerefs.size(); 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj = mPendingStrongDerefs[i]; 408edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->decStrong(mProcess.get()); 409edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 410edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.clear(); 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 414edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 415edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = talkWithDriver(); 416edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result >= NO_ERROR) { 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t IN = mIn.dataAvail(); 418edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (IN < sizeof(int32_t)) continue; 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 421edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing top-level Command: " 422edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 423edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 424dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 425dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks bool isTainted = false; 426dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 427dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks { 428dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks SchedPolicy policy; 429dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks get_sched_policy(getpid(), &policy); 430dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 431dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks if (policy == SP_BACKGROUND) { 432dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks isTainted = true; 433dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks } 434dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks } 435dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = executeCommand(cmd); 437dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 438dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks // Make sure that after executing the commands that we put the thread back into the 439dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks // default cgroup. 440dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks { 441dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks int pid = getpid(); 442dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks SchedPolicy policy; 443dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks get_sched_policy(pid, &policy); 444dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 445dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks if (!isTainted && policy == SP_BACKGROUND) { 446dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks LOGW("*** THREAD %p (PID %p) was left in SP_BACKGROUND with a priority of %d\n", 447dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks (void*)pthread_self(), pid, getpriority(PRIO_PROCESS, pid)); 448dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks } 449dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks } 450edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 451edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 452edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 453edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 454edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 455edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 456edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%p\n", 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void*)pthread_self(), getpid(), (void*)result); 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 462edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 463edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 464edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 465edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 466edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::stopProcess(bool immediate) 467edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 468edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("**** STOPPING PROCESS"); 469edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 470edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 471edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 472edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 473edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 474edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 475edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 476edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 477edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 478edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 479edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 480edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 481edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 482edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 483edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 484edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 485edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 486edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 487edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 488edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 490edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 491edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 492edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 493edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 494edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 495edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 496edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 498edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 501edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 503edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 504edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 505edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 506edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 507edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 508edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 510edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 512edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 513edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 514edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 515edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 516edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 517edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 518edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 519edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 520edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 521edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 522edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 523edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 524edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 525edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 526edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 527edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 528edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 529edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 530edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 531edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 532edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 533edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 534edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 535edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 536edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 537edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 538edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 543edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 544edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 545edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 546edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 547edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 548edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 549edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::expungeHandle(%ld)\n", handle); 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 579edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 586edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 587edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 588edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 589edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 590edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 591edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 592edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : mProcess(ProcessState::self()) 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 596edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 600edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 601edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 602edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 603edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 604edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 605edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 606edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 617edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 635edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 636edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 637edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 638edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 639edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 640edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 641edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 643edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 652edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 659edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 661edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 664edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 666edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 669edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), 670edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = *static_cast<const status_t*>(tr.data.ptr.buffer); 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 676edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 679edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 680edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 681edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 682edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 685edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 699edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 700edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 703edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(mProcess->mDriverFD >= 0, "Binder driver is not opened"); 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 718edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_buffer = (long unsigned int)mOut.data(); 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 724edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_buffer = (long unsigned int)mIn.data(); 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 744edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 761edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 766edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Our err: " << (void*)err << ", write consumed: " 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), read consumed: " << bwr.read_consumed << endl; 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 774edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 775edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 776edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed < (ssize_t)mOut.dataSize()) 778edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 782edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 783edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 789edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 790edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 795edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 797edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 798edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 799edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 815edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = data.ipcObjectsCount()*sizeof(size_t); 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 817edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 818edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 820edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = statusBuffer; 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 823edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = NULL; 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 835edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 838edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 854edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 855edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 857edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 862edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 865edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 866edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 882edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 884edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 889edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOG_ASSERT(refs->refBase() == obj, 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 904edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 905edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 906edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 910edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(success && refs->refBase() == obj, 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 919edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 923edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 924edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(result == NO_ERROR, 925edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 926edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 931edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), freeBuffer, this); 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 937edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 939edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 943edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 946edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 955edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<BBinder> b((BBinder*)tr.cookie); 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t error = b->transact(tr.code, buffer, &reply, 0); 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t error = the_context_object->transact(tr.code, buffer, &reply, 0); 962edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 963edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 967edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 970edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 971edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 972edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 973edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 974edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 983edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 984edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 986edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 988edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 989edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 990edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 991edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 992edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 993edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 994edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 995edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 996edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 997edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 998edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 999edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1000edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1001edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 1002edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 1003edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1004edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1005edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 1006edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1007edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1008edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 1009edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 1010edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1011edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1012edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("*** BAD COMMAND %d received from Binder driver\n", cmd); 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 1015edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 1020edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1021edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1022edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1023edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1024edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1025edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1027edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* const self = static_cast<IPCThreadState*>(st); 1028edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (self) { 1029edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self->flushCommands(); 1030edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 1031edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1032edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 1033edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete self; 1034edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1035edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1036edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1037edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1038edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, size_t dataSize, 1039edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 1040edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie) 1041edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1042edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("Freeing parcel %p", &parcel); 1043edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1044edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1045edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1046edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(data != NULL, "Called with NULL data"); 1047edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1048edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1049edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1050edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32((int32_t)data); 1051edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1052edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1053edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1054