IPCThreadState.cpp revision c5b2c0bf8007562536b822eb060fc54a01f8e08b
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 17c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/IPCThreadState.h> 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 19c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 20c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Debug.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/TextOutput.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 27208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/Static.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/ioctl.h> 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <signal.h> 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <errno.h> 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <unistd.h> 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_PTHREADS 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <pthread.h> 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sched.h> 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/resource.h> 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_WIN32_THREADS 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <windows.h> 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_NDEBUG 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() if (false) 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() if (false) 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() if (false) 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() IF_LOG(LOG_VERBOSE, "transact") 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() IF_LOG(LOG_VERBOSE, "ipc") 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) LOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() IF_LOG(LOG_DEBUG, "remoterefs") 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) LOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) LOG(LOG_DEBUG, "ipc", __VA_ARGS__) 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx); 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx); 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd); 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// This will result in a missing symbol failure if the IF_LOG_COMMANDS() 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// conditionals don't get stripped... but that is probably what we want. 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if !LOG_NDEBUG 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kReturnStrings[] = { 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TIMEOUT", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_WAKEUP", 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_EVENT_OCCURRED", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_CLEAR_DEATH_NOTIFICATION_DONE" 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_NOOP", 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION_COMPLETE", 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RETRIEVE_ROOT_OBJECT", 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SET_THREAD_ENTRY", 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SYNC", 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_PROCESS", 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_SELF", 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx) 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx) 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kCommandStrings) / sizeof(kCommandStrings[0])) 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kCommandStrings[idx]; 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "target=" << btd->target.ptr << " (cookie " << btd->cookie << ")" << endl 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "code=" << TypeCode(btd->code) << ", flags=" << (void*)btd->flags << endl 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl; 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code == BR_ERROR) { 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "BR_ERROR: " << (void*)(*cmd++) << endl; 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (code < 0 || code >= N) { 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kReturnStrings[code]; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 207edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 211edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 212edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 220edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 223edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 224edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 225edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code < 0 || code >= N) { 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 228edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 229edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 230edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kCommandStrings[code]; 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 243edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": buffer=" << (void*)buf; 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 253edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 254edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": descriptor=" << (void*)d; 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 256edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": decriptor=" << (void*)d << ", pri=" << p; 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": handle=" << h << " (death cookie " << (void*)c << ")"; 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 284edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 297edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gShutdown) return NULL; 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (pthread_key_create(&gTLS, threadDestructor) != 0) { 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 322edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 323edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 324edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 325edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 326edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 327edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 328edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 329edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 330edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 331edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 337edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 338edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 339edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 340edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 341edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 343edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingPid() 345edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 348edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 349edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingUid() 350edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 351edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->supportsProcesses()) { 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = getpid(); 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = getuid(); 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = -1; 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = -1; 375edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 376edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 377edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 379edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 380edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 381edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 382edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 383edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 384edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 385edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 386edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 387edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 388edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 389edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 390edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 391edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 392edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 393edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 394edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 395edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // When we've cleared the incoming command queue, process any pending derefs 396edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataPosition() >= mIn.dataSize()) { 397edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t numPending = mPendingWeakDerefs.size(); 398edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 399edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 400edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->decWeak(mProcess.get()); 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.clear(); 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project numPending = mPendingStrongDerefs.size(); 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 408edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 409edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj = mPendingStrongDerefs[i]; 410edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->decStrong(mProcess.get()); 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.clear(); 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 414edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 415edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 416edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = talkWithDriver(); 418edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result >= NO_ERROR) { 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t IN = mIn.dataAvail(); 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (IN < sizeof(int32_t)) continue; 421edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 422edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 423edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing top-level Command: " 424edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 425edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 426edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = executeCommand(cmd); 427edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 428edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 429edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 430edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 431edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 432edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 433edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 434edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%p\n", 437edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void*)pthread_self(), getpid(), (void*)result); 438edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 439edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 440edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::stopProcess(bool immediate) 444edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 445edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("**** STOPPING PROCESS"); 446edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 447edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 448edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 449edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 450edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 451edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 452edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 453edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 454edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 455edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 456edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 462edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 463edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 464edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 465edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 466edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 467edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 468edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 469edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 470edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 471edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 472edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 473edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 474edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 475edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 476edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 477edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 478edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 479edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 480edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 481edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 482edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 483edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 484edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 485edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 486edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 487edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 488edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 490edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 491edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 492edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 493edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 494edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 495edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 496edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 498edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 501edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 503edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 504edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 505edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 506edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 507edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 508edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 510edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 512edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 513edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 514edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 515edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 516edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 517edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 518edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 519edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 520edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 521edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 522edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 523edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 524edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 525edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 526edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 527edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 528edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 529edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 530edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 531edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 532edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 533edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 534edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 535edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 536edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 537edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 538edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 543edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 544edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 545edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 546edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 547edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 548edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 549edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::expungeHandle(%ld)\n", handle); 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : mProcess(ProcessState::self()) 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 579edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 586edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 587edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 588edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 589edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 590edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 591edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 592edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 596edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 600edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 601edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 602edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 603edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 604edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 605edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 606edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 617edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 635edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 636edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 637edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 638edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 639edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 640edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 641edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 643edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = *static_cast<const status_t*>(tr.data.ptr.buffer); 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 652edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 659edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 661edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 664edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 666edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 669edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 670edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 676edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 679edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 680edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 681edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 682edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 685edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(mProcess->mDriverFD >= 0, "Binder driver is not opened"); 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 699edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_buffer = (long unsigned int)mOut.data(); 700edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 703edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_buffer = (long unsigned int)mIn.data(); 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 718edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 724edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 744edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Our err: " << (void*)err << ", write consumed: " 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), read consumed: " << bwr.read_consumed << endl; 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed < (ssize_t)mOut.dataSize()) 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 761edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 766edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 774edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 775edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 776edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 778edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 782edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 783edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 789edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 790edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = data.ipcObjectsCount()*sizeof(size_t); 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 795edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 797edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 798edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = statusBuffer; 799edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = NULL; 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 815edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 817edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 818edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 820edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 823edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 835edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 838edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 854edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 855edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 857edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 862edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 865edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 866edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOG_ASSERT(refs->refBase() == obj, 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 882edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 884edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(success && refs->refBase() == obj, 889edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(result == NO_ERROR, 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 904edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 905edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 906edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 910edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), freeBuffer, this); 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 919edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 923edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 924edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 925edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 926edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 931edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<BBinder> b((BBinder*)tr.cookie); 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t error = b->transact(tr.code, buffer, &reply, 0); 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 937edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t error = the_context_object->transact(tr.code, buffer, &reply, 0); 939edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 943edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 946edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 955edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 962edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 963edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 967edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 970edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 971edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 972edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 973edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 974edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 983edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 984edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 986edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 988edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 989edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 990edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("*** BAD COMMAND %d received from Binder driver\n", cmd); 991edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 992edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 993edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 994edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 995edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 996edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 997edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 998edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 999edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1000edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1001edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1002edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1003edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1004edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* const self = static_cast<IPCThreadState*>(st); 1005edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (self) { 1006edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self->flushCommands(); 1007edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 1008edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1009edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 1010edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete self; 1011edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1012edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1015edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, size_t dataSize, 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie) 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("Freeing parcel %p", &parcel); 1020edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1021edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1022edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1023edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(data != NULL, "Called with NULL data"); 1024edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1025edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1027edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32((int32_t)data); 1028edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1029edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1030edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1031