IPCThreadState.cpp revision a19954ab377b46dbcb9cbe8a6ab6d458f2e32bca
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 599f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_TRANSACTIONS() IF_ALOG(LOG_VERBOSE, "transact") 609f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_COMMANDS() IF_ALOG(LOG_VERBOSE, "ipc") 619f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_REMOTEREFS(...) ALOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 629f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_REMOTEREFS() IF_ALOG(LOG_DEBUG, "remoterefs") 639f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_THREADPOOL(...) ALOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 649f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_ONEWAY(...) ALOG(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[] = { 81aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_ERROR", 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 97aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_CLEAR_DEATH_NOTIFICATION_DONE", 98aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_FAILED_REPLY" 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx) 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx) 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kCommandStrings) / sizeof(kCommandStrings[0])) 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kCommandStrings[idx]; 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 141aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (btd->target.handle < 1024) { 142aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden /* want to print descriptors in decimal; guess based on value */ 143aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.desc=" << btd->target.handle; 144aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else { 145aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.ptr=" << btd->target.ptr; 146aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } 147aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << " (cookie " << btd->cookie << ")" << endl 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "code=" << TypeCode(btd->code) << ", flags=" << (void*)btd->flags << endl 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 152aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden << " bytes)"; 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 158aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 161aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 162aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (code == (int32_t) BR_ERROR) { 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "BR_ERROR: " << (void*)(*cmd++) << endl; 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 165aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else if (cmdIndex >= N) { 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 169aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kReturnStrings[cmdIndex]; 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 206aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 207aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 208aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BR_OK, BR_DEAD_REPLY, 209aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BR_TRANSACTION_COMPLETE, BR_FINISHED 210aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 211edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 212edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 219aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 220edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 222aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 223aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 224aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (cmdIndex >= N) { 225edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 228aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kCommandStrings[cmdIndex]; 229aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 230edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 243edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": buffer=" << (void*)buf; 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 253aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d; 254edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 256edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 266aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d << ", pri=" << p; 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": handle=" << h << " (death cookie " << (void*)c << ")"; 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 280aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 281aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 282aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BC_REGISTER_LOOPER, BC_ENTER_LOOPER, 283aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BC_EXIT_LOOPER 284aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 2968c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornstatic bool gDisableBackgroundScheduling = false; 297edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gShutdown) return NULL; 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (pthread_key_create(&gTLS, threadDestructor) != 0) { 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3221b6084354710ca52c04ea361d751d19174802d57Brad FitzpatrickIPCThreadState* IPCThreadState::selfOrNull() 3231b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick{ 3241b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick if (gHaveTLS) { 3251b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick const pthread_key_t k = gTLS; 3261b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 3271b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return st; 3281b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick } 3291b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return NULL; 3301b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick} 3311b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 337edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 338edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 339edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 340edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 341edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 343edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 345edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3478c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornvoid IPCThreadState::disableBackgroundScheduling(bool disable) 3488c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn{ 3498c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn gDisableBackgroundScheduling = disable; 3508c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn} 3518c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingPid() 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint IPCThreadState::getCallingUid() 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 375edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 376edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 377edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 379edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 380edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 381702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrickvoid IPCThreadState::setStrictModePolicy(int32_t policy) 382702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick{ 383702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick mStrictModePolicy = policy; 384702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 385702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 386a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickint32_t IPCThreadState::getStrictModePolicy() const 387a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick{ 388702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return mStrictModePolicy; 389702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 390702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 3915273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickvoid IPCThreadState::setLastTransactionBinderFlags(int32_t flags) 3925273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3935273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags = flags; 3945273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3955273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 3965273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickint32_t IPCThreadState::getLastTransactionBinderFlags() const 3975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick return mLastTransactionBinderFlags; 3995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 4005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 408edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 409d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingPid = getpid(); 410d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingUid = getuid(); 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 414edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 415edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 416edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 418edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 421edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 422edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 423edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 424edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 425edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4268c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // This thread may have been spawned by a thread that was in the background 4278c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // scheduling group, so first we will make sure it is in the default/foreground 4288c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // one to avoid performing an initial transaction in the background. 4298c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn androidSetThreadSchedulingGroup(mMyThreadId, ANDROID_TGROUP_DEFAULT); 4308c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 431edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 432edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 433edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 434edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 435edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // When we've cleared the incoming command queue, process any pending derefs 436edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataPosition() >= mIn.dataSize()) { 437edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t numPending = mPendingWeakDerefs.size(); 438edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 439edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 440edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 441edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->decWeak(mProcess.get()); 442edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 443edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.clear(); 444edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 445edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 446edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project numPending = mPendingStrongDerefs.size(); 447edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (numPending > 0) { 448edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project for (size_t i = 0; i < numPending; i++) { 449edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj = mPendingStrongDerefs[i]; 450edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->decStrong(mProcess.get()); 451edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 452edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.clear(); 453edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 454edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 455edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 456edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 457edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = talkWithDriver(); 458edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result >= NO_ERROR) { 459edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t IN = mIn.dataAvail(); 460edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (IN < sizeof(int32_t)) continue; 461edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 462edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 463edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing top-level Command: " 464edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 465edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 466dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 467dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 468edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = executeCommand(cmd); 469edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 470edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47107d69893e1677bd59a3461a0c4fcd3541563144dChristopher Tate // After executing the command, ensure that the thread is returned to the 4728c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // default cgroup before rejoining the pool. The driver takes care of 4738c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // restoring the priority, but doesn't do anything with cgroups so we 4748c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // need to take care of that here in userspace. Note that we do make 4758c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // sure to go in the foreground after executing a transaction, but 4768c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // there are other callbacks into user code that could have changed 4778c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // our group so we want to make absolutely sure it is put back. 4788c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn androidSetThreadSchedulingGroup(mMyThreadId, ANDROID_TGROUP_DEFAULT); 47907d69893e1677bd59a3461a0c4fcd3541563144dChristopher Tate 480edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 481edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 482edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 483edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 484edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 485edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 486edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 487edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%p\n", 488edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void*)pthread_self(), getpid(), (void*)result); 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 490edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 491edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 492edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 493edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 494edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::stopProcess(bool immediate) 495edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 496a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("**** STOPPING PROCESS"); 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 498edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 501edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 503edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 504edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 505edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 506edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 507edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 508edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 510edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 512edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 513edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 514edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 515edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 516edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 517edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 518edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 519edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 520edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 521edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 522edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 523edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 524edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 525edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 526edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 527edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 528edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 529edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 530edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 53167f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 53267f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 533a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction 4"); 53467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 535a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction %d", code); 53667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 53767f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 538edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 543edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 54467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 54567f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 546a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction 4"); 54767f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 548a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction %d", code); 54967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 55067f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 579edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 586edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 587edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 588edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 589edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 590edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 591edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 592edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 596aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden LOG_REMOTEREFS("IPCThreadState::attemptIncStrongHandle(%d)\n", handle); 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 600edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 601edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 602edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 603edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 604edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 605edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 606edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::expungeHandle(%ld)\n", handle); 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 617edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 635edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 636edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 6375273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick : mProcess(ProcessState::self()), 6385273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mMyThreadId(androidGetTid()), 6395273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mStrictModePolicy(0), 6405273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags(0) 641edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 6438c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn clearCaller(); 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 652edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 659edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 661edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 664edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 666edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 669edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 670edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 676edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 679edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 680edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 681edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 682edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 685edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 699edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 700edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 703edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 718edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = *static_cast<const status_t*>(tr.data.ptr.buffer); 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 724edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 744edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(mProcess->mDriverFD >= 0, "Binder driver is not opened"); 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 761edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 766edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_buffer = (long unsigned int)mOut.data(); 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_buffer = (long unsigned int)mIn.data(); 774edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 775edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 776d640f89205e17d9f19b11c2954862f0945a40e7bBen Cheng bwr.read_buffer = 0; 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 778aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 782edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 783edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 789edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 790edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 795aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 797edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 798edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 799edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 815aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 817edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Our err: " << (void*)err << ", write consumed: " 818edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), read consumed: " << bwr.read_consumed << endl; 820edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 823edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed < (ssize_t)mOut.dataSize()) 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 835edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 838edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 854edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 855edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 857d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.cookie = 0; 858d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_pid = 0; 859d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_euid = 0; 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 862edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 865edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = data.ipcObjectsCount()*sizeof(size_t); 866edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = statusBuffer; 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = NULL; 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 882edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 884edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 889edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 904edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 905edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 906edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 910edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 919edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 923edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 924edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(refs->refBase() == obj, 925edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 926edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 931edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 937edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 939edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 943edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 946edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //LOG_ASSERT(refs->refBase() == obj, 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 955edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(success && refs->refBase() == obj, 962edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 963edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 967edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 970edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 971edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 972edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 973edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 974edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(result == NO_ERROR, 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 983edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), freeBuffer, this); 984edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 986edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 988edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 989edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 990edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 991440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate int curPrio = getpriority(PRIO_PROCESS, mMyThreadId); 992440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (gDisableBackgroundScheduling) { 993440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio > ANDROID_PRIORITY_NORMAL) { 994440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We have inherited a reduced priority from the caller, but do not 995440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // want to run in that state in this process. The driver set our 996440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // priority already (though not our scheduling class), so bounce 997440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // it back to the default before invoking the transaction. 998440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate setpriority(PRIO_PROCESS, mMyThreadId, ANDROID_PRIORITY_NORMAL); 999440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 1000440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } else { 1001440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio >= ANDROID_PRIORITY_BACKGROUND) { 1002440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We want to use the inherited priority from the caller. 1003440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // Ensure this thread is in the background scheduling class, 1004440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // since the driver won't modify scheduling classes for us. 1005440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // The scheduling group is reset to default by the caller 1006440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // once this method returns after the transaction is complete. 1007440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate androidSetThreadSchedulingGroup(mMyThreadId, 1008440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate ANDROID_TGROUP_BG_NONINTERACT); 1009440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 10108c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn } 1011440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1012a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 1015edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 1020edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 1021edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 1022edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 1023edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 1024edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 1025edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 1027edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<BBinder> b((BBinder*)tr.cookie); 10285273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = b->transact(tr.code, buffer, &reply, tr.flags); 1029edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 10305273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 1031edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 10325273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = the_context_object->transact(tr.code, buffer, &reply, tr.flags); 1033edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 1034edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1035edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1036a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 1037edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 1038edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1039edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 1040edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 1041edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 1042edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 1043edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 1044edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1045edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1046edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 1047edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 1048440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1049edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1050edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1051edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 1052edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 1053edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1054edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1055edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1056edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1057edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1058edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 1059edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1060edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1061edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 1062edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 1063edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 1064edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1065edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1066edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 1067edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1068edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1069edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 1070edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1071edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1072edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 1073edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 1074edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1075edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1076edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 1077edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1078edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1079edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 1080edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 1081edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1082edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1083edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 1084edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("*** BAD COMMAND %d received from Binder driver\n", cmd); 1085edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 1086edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1087edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1088edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1089edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 1090edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 1091edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1092edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1093edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1094edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1095edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1096edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1097edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1098edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* const self = static_cast<IPCThreadState*>(st); 1099edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (self) { 1100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self->flushCommands(); 1101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 1102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 1104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete self; 1105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, size_t dataSize, 1110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 1111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie) 1112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1113a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing parcel %p", &parcel); 1114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ASSERT(data != NULL, "Called with NULL data"); 1118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32((int32_t)data); 1122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1125