IPCThreadState.cpp revision d547432f98889d57a8c37e91090664efe63da436
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks#define LOG_TAG "IPCThreadState" 18dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 19c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/IPCThreadState.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 21c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 22c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 23dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks#include <cutils/sched_policy.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Debug.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/TextOutput.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 30208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/Static.h> 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/ioctl.h> 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <signal.h> 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <errno.h> 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <unistd.h> 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_PTHREADS 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <pthread.h> 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sched.h> 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/resource.h> 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_WIN32_THREADS 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <windows.h> 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_NDEBUG 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() if (false) 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() if (false) 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() if (false) 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() IF_LOG(LOG_VERBOSE, "transact") 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() IF_LOG(LOG_VERBOSE, "ipc") 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) LOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() IF_LOG(LOG_DEBUG, "remoterefs") 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) LOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) LOG(LOG_DEBUG, "ipc", __VA_ARGS__) 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx); 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd); 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd); 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// This will result in a missing symbol failure if the IF_LOG_COMMANDS() 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// conditionals don't get stripped... but that is probably what we want. 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if !LOG_NDEBUG 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kReturnStrings[] = { 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TIMEOUT", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_WAKEUP", 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_EVENT_OCCURRED", 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_CLEAR_DEATH_NOTIFICATION_DONE" 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if 1 /* TODO: error update strings */ 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "unknown", 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_NOOP", 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION_COMPLETE", 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RETRIEVE_ROOT_OBJECT", 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SET_THREAD_ENTRY", 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_SYNC", 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_PROCESS", 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_STOP_SELF", 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx) 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx) 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kCommandStrings) / sizeof(kCommandStrings[0])) 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kCommandStrings[idx]; 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "target=" << btd->target.ptr << " (cookie " << btd->cookie << ")" << endl 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "code=" << TypeCode(btd->code) << ", flags=" << (void*)btd->flags << endl 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl; 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code == BR_ERROR) { 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "BR_ERROR: " << (void*)(*cmd++) << endl; 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (code < 0 || code >= N) { 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kReturnStrings[code]; 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 207edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 211edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 212edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 220edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 223edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 224edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project static const int32_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 225edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 228edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (code < 0 || code >= N) { 229edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 230edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << kCommandStrings[code]; 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 243edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": buffer=" << (void*)buf; 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 253edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 254edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 256edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": descriptor=" << (void*)d; 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": decriptor=" << (void*)d << ", pri=" << p; 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": handle=" << h << " (death cookie " << (void*)c << ")"; 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 284edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 2958c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornstatic bool gDisableBackgroundScheduling = false; 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 297edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gShutdown) return NULL; 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (pthread_key_create(&gTLS, threadDestructor) != 0) { 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3211b6084354710ca52c04ea361d751d19174802d57Brad FitzpatrickIPCThreadState* IPCThreadState::selfOrNull() 3221b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick{ 3231b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick if (gHaveTLS) { 3241b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick const pthread_key_t k = gTLS; 3251b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 3261b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return st; 3271b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick } 3281b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return NULL; 3291b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick} 3301b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick 331edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 337edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 338edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 339edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 340edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 341edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 343edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 345edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3468c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornvoid IPCThreadState::disableBackgroundScheduling(bool disable) 3478c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn{ 3488c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn gDisableBackgroundScheduling = disable; 3498c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn} 3508c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 351edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingPid() 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingUid() 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 375edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 376edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 377edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 379edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 380702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrickvoid IPCThreadState::setStrictModePolicy(int32_t policy) 381702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick{ 382702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick mStrictModePolicy = policy; 383702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 384702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 385a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickint32_t IPCThreadState::getStrictModePolicy() const 386a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick{ 387702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return mStrictModePolicy; 388702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 389702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 3905273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickvoid IPCThreadState::setLastTransactionBinderFlags(int32_t flags) 3915273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3925273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags = flags; 3935273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3945273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 3955273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickint32_t IPCThreadState::getLastTransactionBinderFlags() const 3965273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick return mLastTransactionBinderFlags; 3985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 400edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 408d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingPid = getpid(); 409d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingUid = getuid(); 410edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 414edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 415edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 416edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 418edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 421edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 422edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 423edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 424edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4258c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // This thread may have been spawned by a thread that was in the background 4268c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // scheduling group, so first we will make sure it is in the default/foreground 4278c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // one to avoid performing an initial transaction in the background. 4288c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn androidSetThreadSchedulingGroup(mMyThreadId, ANDROID_TGROUP_DEFAULT); 4298c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 430edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 431edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 432edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 433edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 434edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // When we've cleared the incoming command queue, process any pending derefs 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataPosition() >= mIn.dataSize()) { 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t numPending = mPendingWeakDerefs.size(); 437edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 438edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 439edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 440edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->decWeak(mProcess.get()); 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.clear(); 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 444edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 445edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project numPending = mPendingStrongDerefs.size(); 446edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 447edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 448edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj = mPendingStrongDerefs[i]; 449edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->decStrong(mProcess.get()); 450edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 451edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.clear(); 452edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 453edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 454edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 455edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 456edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = talkWithDriver(); 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result >= NO_ERROR) { 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t IN = mIn.dataAvail(); 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (IN < sizeof(int32_t)) continue; 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 462edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing top-level Command: " 463edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 464edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 465dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 466dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 467edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = executeCommand(cmd); 468edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 469edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47007d69893e1677bd59a3461a0c4fcd3541563144dChristopher Tate // After executing the command, ensure that the thread is returned to the 4718c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // default cgroup before rejoining the pool. The driver takes care of 4728c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // restoring the priority, but doesn't do anything with cgroups so we 4738c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // need to take care of that here in userspace. Note that we do make 4748c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // sure to go in the foreground after executing a transaction, but 4758c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // there are other callbacks into user code that could have changed 4768c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // our group so we want to make absolutely sure it is put back. 4778c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn androidSetThreadSchedulingGroup(mMyThreadId, ANDROID_TGROUP_DEFAULT); 47807d69893e1677bd59a3461a0c4fcd3541563144dChristopher Tate 479edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 480edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 481edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 482edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 483edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 484edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 485edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 486edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%p\n", 487edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void*)pthread_self(), getpid(), (void*)result); 488edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 490edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 491edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 492edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 493edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::stopProcess(bool immediate) 494edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 495edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("**** STOPPING PROCESS"); 496edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 498edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 501edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 503edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 504edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 505edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 506edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 507edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 508edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 510edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 512edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 513edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 514edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 515edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 516edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 517edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 518edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 519edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 520edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 521edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 522edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 523edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 524edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 525edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 526edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 527edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 528edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 529edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 53067f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 53167f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 53267f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn LOGI(">>>>>> CALLING transaction 4"); 53367f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 53467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn LOGI(">>>>>> CALLING transaction %d", code); 53567f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 53667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 537edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 538edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 54367f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 54467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 54567f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn LOGI("<<<<<< RETURNING transaction 4"); 54667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 54767f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn LOGI("<<<<<< RETURNING transaction %d", code); 54867f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 54967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 579edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 586edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 587edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 588edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 589edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 590edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 591edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 592edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 596edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 600edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 601edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 602edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 603edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 604edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 605edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 606edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::expungeHandle(%ld)\n", handle); 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 617edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 6355273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick : mProcess(ProcessState::self()), 6365273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mMyThreadId(androidGetTid()), 6375273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mStrictModePolicy(0), 6385273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags(0) 639edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 640edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 6418c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn clearCaller(); 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 643edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 652edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 659edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 661edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 664edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 666edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 669edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 670edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 676edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 679edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 680edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 681edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 682edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 685edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 699edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 700edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 703edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = *static_cast<const status_t*>(tr.data.ptr.buffer); 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 718edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 724edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 744edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(mProcess->mDriverFD >= 0, "Binder driver is not opened"); 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 761edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 766edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_buffer = (long unsigned int)mOut.data(); 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_buffer = (long unsigned int)mIn.data(); 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 774edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 775edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 776edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 778edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 782edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 783edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 789edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 790edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 795edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 797edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 798edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 799edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Our err: " << (void*)err << ", write consumed: " 815edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), read consumed: " << bwr.read_consumed << endl; 817edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 818edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 820edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed < (ssize_t)mOut.dataSize()) 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 823edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 835edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 838edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 854d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.cookie = 0; 855d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_pid = 0; 856d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_euid = 0; 857edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 862edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = data.ipcObjectsCount()*sizeof(size_t); 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 865edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 866edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = statusBuffer; 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = NULL; 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 882edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 884edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 889edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 904edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 905edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 906edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 910edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 919edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 923edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 924edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 925edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 926edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 931edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 937edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 939edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 943edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 946edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOG_ASSERT(refs->refBase() == obj, 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 955edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(success && refs->refBase() == obj, 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 962edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 963edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 967edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 970edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 971edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(result == NO_ERROR, 972edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 973edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 974edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), freeBuffer, this); 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 983edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 984edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 986edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 988440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate int curPrio = getpriority(PRIO_PROCESS, mMyThreadId); 989440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (gDisableBackgroundScheduling) { 990440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio > ANDROID_PRIORITY_NORMAL) { 991440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We have inherited a reduced priority from the caller, but do not 992440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // want to run in that state in this process. The driver set our 993440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // priority already (though not our scheduling class), so bounce 994440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // it back to the default before invoking the transaction. 995440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate setpriority(PRIO_PROCESS, mMyThreadId, ANDROID_PRIORITY_NORMAL); 996440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 997440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } else { 998440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio >= ANDROID_PRIORITY_BACKGROUND) { 999440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We want to use the inherited priority from the caller. 1000440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // Ensure this thread is in the background scheduling class, 1001440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // since the driver won't modify scheduling classes for us. 1002440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // The scheduling group is reset to default by the caller 1003440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // once this method returns after the transaction is complete. 1004440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate androidSetThreadSchedulingGroup(mMyThreadId, 1005440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate ANDROID_TGROUP_BG_NONINTERACT); 1006440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 10078c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn } 1008440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1009edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 1010edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1011edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 1012edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 1015edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 1020edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 1021edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 1022edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1023edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 1024edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<BBinder> b((BBinder*)tr.cookie); 10255273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = b->transact(tr.code, buffer, &reply, tr.flags); 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 10275273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 1028edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 10295273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = the_context_object->transact(tr.code, buffer, &reply, tr.flags); 1030edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 1031edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1032edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1033edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 1034edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 1035edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1036edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 1037edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 1038edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 1039edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 1040edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 1041edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1042edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1043edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 1044edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 1045440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1046edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1047edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1048edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 1049edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 1050edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1051edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1052edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1053edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1054edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1055edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 1056edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1057edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1058edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 1059edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 1060edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 1061edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1062edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1063edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 1064edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1065edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1066edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 1067edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1068edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1069edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 1070edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 1071edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1072edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1073edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 1074edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1075edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1076edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 1077edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 1078edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1079edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1080edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 1081edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("*** BAD COMMAND %d received from Binder driver\n", cmd); 1082edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 1083edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1084edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1085edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1086edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 1087edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 1088edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1089edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1090edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1091edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1092edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1093edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1094edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1095edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* const self = static_cast<IPCThreadState*>(st); 1096edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (self) { 1097edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self->flushCommands(); 1098edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 1099edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 1101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete self; 1102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, size_t dataSize, 1107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 1108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie) 1109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOGI("Freeing parcel %p", &parcel); 1111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(data != NULL, "Called with NULL data"); 1115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32((int32_t)data); 1119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1122