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> 23002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 24002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 25a26e1cfbbcb7dc5e0b1cd79a815362d6a048ef26Glenn Kasten#include <cutils/sched_policy.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Debug.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/threads.h> 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 30208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 31208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/Static.h> 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/ioctl.h> 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <signal.h> 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <errno.h> 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <unistd.h> 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_PTHREADS 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <pthread.h> 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sched.h> 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/resource.h> 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifdef HAVE_WIN32_THREADS 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <windows.h> 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_NDEBUG 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() if (false) 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() if (false) 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() if (false) 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 609f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_TRANSACTIONS() IF_ALOG(LOG_VERBOSE, "transact") 619f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_COMMANDS() IF_ALOG(LOG_VERBOSE, "ipc") 629f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_REMOTEREFS(...) ALOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 639f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_REMOTEREFS() IF_ALOG(LOG_DEBUG, "remoterefs") 649f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_THREADPOOL(...) ALOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 659f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_ONEWAY(...) ALOG(LOG_DEBUG, "ipc", __VA_ARGS__) 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx); 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx); 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd); 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd); 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// This will result in a missing symbol failure if the IF_LOG_COMMANDS() 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// conditionals don't get stripped... but that is probably what we want. 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if !LOG_NDEBUG 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kReturnStrings[] = { 82aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_ERROR", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 98aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_CLEAR_DEATH_NOTIFICATION_DONE", 99aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_FAILED_REPLY" 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getReturnString(size_t idx) 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char* getCommandString(size_t idx) 131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kCommandStrings) / sizeof(kCommandStrings[0])) 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kCommandStrings[idx]; 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 142aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (btd->target.handle < 1024) { 143aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden /* want to print descriptors in decimal; guess based on value */ 144aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.desc=" << btd->target.handle; 145aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else { 146aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.ptr=" << btd->target.ptr; 147aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } 148aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << " (cookie " << btd->cookie << ")" << endl 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "code=" << TypeCode(btd->code) << ", flags=" << (void*)btd->flags << endl 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 153aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden << " bytes)"; 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 159aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 162aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 163aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (code == (int32_t) BR_ERROR) { 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "BR_ERROR: " << (void*)(*cmd++) << endl; 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 166aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else if (cmdIndex >= N) { 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 170aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kReturnStrings[cmdIndex]; 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 189edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 192edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 205edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 206edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 207aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 208aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 209aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BR_OK, BR_DEAD_REPLY, 210aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BR_TRANSACTION_COMPLETE, BR_FINISHED 211aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 212edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 220aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t code = *cmd++; 223aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 224aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 225aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (cmdIndex >= N) { 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 228edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 229aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kCommandStrings[cmdIndex]; 230aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 236edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 243edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 245edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": buffer=" << (void*)buf; 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 253edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 254aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d; 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 256edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": target=" << (void*)b << " (cookie " << (void*)c << ")"; 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 263edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 265edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 267aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d << ", pri=" << p; 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": handle=" << h << " (death cookie " << (void*)c << ")"; 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": death cookie " << (void*)c; 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 281aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 282aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 283aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BC_REGISTER_LOOPER, BC_ENTER_LOOPER, 284aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BC_EXIT_LOOPER 285aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 291edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 292edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 293edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 294edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 2978c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornstatic bool gDisableBackgroundScheduling = false; 298edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 300edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 301edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gShutdown) return NULL; 310edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 311edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 312edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 313edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (pthread_key_create(&gTLS, threadDestructor) != 0) { 314edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 322edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3231b6084354710ca52c04ea361d751d19174802d57Brad FitzpatrickIPCThreadState* IPCThreadState::selfOrNull() 3241b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick{ 3251b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick if (gHaveTLS) { 3261b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick const pthread_key_t k = gTLS; 3271b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 3281b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return st; 3291b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick } 3301b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return NULL; 3311b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick} 3321b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 336edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 337edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 338edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 339edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 340edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 341edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 342edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 343edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 344edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 345edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3488c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornvoid IPCThreadState::disableBackgroundScheduling(bool disable) 3498c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn{ 3508c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn gDisableBackgroundScheduling = disable; 3518c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn} 3528c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 358edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 363edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 365ada11c5e67cf8587ad3b53dd99c27455ef26291fJeff Brownint IPCThreadState::getCallingPid() const 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 370ada11c5e67cf8587ad3b53dd99c27455ef26291fJeff Brownint IPCThreadState::getCallingUid() const 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 375edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 376edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 377edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 378edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 379edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 380edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 381edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 382702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrickvoid IPCThreadState::setStrictModePolicy(int32_t policy) 383702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick{ 384702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick mStrictModePolicy = policy; 385702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 386702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 387a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickint32_t IPCThreadState::getStrictModePolicy() const 388a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick{ 389702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return mStrictModePolicy; 390702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 391702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 3925273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickvoid IPCThreadState::setLastTransactionBinderFlags(int32_t flags) 3935273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3945273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags = flags; 3955273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3965273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 3975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickint32_t IPCThreadState::getLastTransactionBinderFlags() const 3985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick return mLastTransactionBinderFlags; 4005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 4015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 403edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 408edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 409edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 410d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingPid = getpid(); 411d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingUid = getuid(); 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 414edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 415edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 416edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 417edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 418edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 419edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 420edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4218d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorstatus_t IPCThreadState::getAndExecuteCommand() 4228d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 4238d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor status_t result; 4248d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor int32_t cmd; 4258d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4268d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = talkWithDriver(); 4278d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (result >= NO_ERROR) { 4288d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor size_t IN = mIn.dataAvail(); 4298d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (IN < sizeof(int32_t)) return result; 4308d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor cmd = mIn.readInt32(); 4318d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor IF_LOG_COMMANDS() { 4328d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor alog << "Processing top-level Command: " 4338d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor << getReturnString(cmd) << endl; 4348d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4358d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4368d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = executeCommand(cmd); 4378d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4388d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // After executing the command, ensure that the thread is returned to the 4398d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // foreground cgroup before rejoining the pool. The driver takes care of 4408d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // restoring the priority, but doesn't do anything with cgroups so we 4418d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // need to take care of that here in userspace. Note that we do make 4428d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // sure to go in the foreground after executing a transaction, but 4438d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // there are other callbacks into user code that could have changed 4448d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor // our group so we want to make absolutely sure it is put back. 4458d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor set_sched_policy(mMyThreadId, SP_FOREGROUND); 4468d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4478d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4488d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return result; 4498d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 4508d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4518d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor// When we've cleared the incoming command queue, process any pending derefs 4528d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorvoid IPCThreadState::processPendingDerefs() 4538d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 4548d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (mIn.dataPosition() >= mIn.dataSize()) { 4558d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor size_t numPending = mPendingWeakDerefs.size(); 4568d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (numPending > 0) { 4578d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor for (size_t i = 0; i < numPending; i++) { 4588d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 4598d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor refs->decWeak(mProcess.get()); 4608d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4618d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mPendingWeakDerefs.clear(); 4628d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4638d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4648d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor numPending = mPendingStrongDerefs.size(); 4658d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (numPending > 0) { 4668d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor for (size_t i = 0; i < numPending; i++) { 4678d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor BBinder* obj = mPendingStrongDerefs[i]; 4688d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor obj->decStrong(mProcess.get()); 4698d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4708d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mPendingStrongDerefs.clear(); 4718d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4728d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4738d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 4748d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 475edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 476edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 477edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 478edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 479edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 480edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4818c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // This thread may have been spawned by a thread that was in the background 482a26e1cfbbcb7dc5e0b1cd79a815362d6a048ef26Glenn Kasten // scheduling group, so first we will make sure it is in the foreground 4838c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn // one to avoid performing an initial transaction in the background. 484a26e1cfbbcb7dc5e0b1cd79a815362d6a048ef26Glenn Kasten set_sched_policy(mMyThreadId, SP_FOREGROUND); 4858c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 486edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 487edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 4888d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor processPendingDerefs(); 489edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 4908d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = getAndExecuteCommand(); 491dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 4928d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (result < NO_ERROR && result != TIMED_OUT && result != -ECONNREFUSED && result != -EBADF) { 4938d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor ALOGE("getAndExecuteCommand(fd=%d) returned unexpected error %d, aborting", 494ef07386e2fca73680214ececc3c9c0ecbb0f6d88Jeff Tinker mProcess->mDriverFD, result); 495ef07386e2fca73680214ececc3c9c0ecbb0f6d88Jeff Tinker abort(); 496edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 498edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 501edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 503edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 504edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 505edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%p\n", 506edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (void*)pthread_self(), getpid(), (void*)result); 507edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 508edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 510edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 5128d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorint IPCThreadState::setupPolling(int* fd) 5138d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 5148d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (mProcess->mDriverFD <= 0) { 5158d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return -EBADF; 5168d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 5178d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5188d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mOut.writeInt32(BC_ENTER_LOOPER); 5198d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor *fd = mProcess->mDriverFD; 5208d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return 0; 5218d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 5228d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5238d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorstatus_t IPCThreadState::handlePolledCommands() 5248d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 5258d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor status_t result; 5268d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5278d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor do { 5288d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = getAndExecuteCommand(); 5298d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } while (mIn.dataPosition() < mIn.dataSize()); 5308d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5318d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor processPendingDerefs(); 5328d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor flushCommands(); 5338d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return result; 5348d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 5358d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 536edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::stopProcess(bool immediate) 537edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 538a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("**** STOPPING PROCESS"); 539edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 540edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 541edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 542edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 543edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 544edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 545edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 546edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 547edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 548edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 549edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 57367f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 57467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 575a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction 4"); 57667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 577a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction %d", code); 57867f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 57967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 584edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 58667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 58767f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 588a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction 4"); 58967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 590a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction %d", code); 59167f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 59267f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 596edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 599edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 600edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 601edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 602edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 603edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 604edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 605edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 606edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 617edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 635edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 636edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 637edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 638aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden LOG_REMOTEREFS("IPCThreadState::attemptIncStrongHandle(%d)\n", handle); 639edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 640edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 641edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 643edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 651edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 652edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 657edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("IPCThreadState::expungeHandle(%ld)\n", handle); 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 659edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 661edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 664edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 666edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 667edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 668edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 669edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 670edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 676edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 6795273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick : mProcess(ProcessState::self()), 6805273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mMyThreadId(androidGetTid()), 6815273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mStrictModePolicy(0), 6825273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags(0) 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 6858c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn clearCaller(); 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 693edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 699edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 700edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 703edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t cmd; 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = mIn.readInt32(); 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 718edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 724edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 732edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 733edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 734edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 7376726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 744edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 7486726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 752edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 755edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = *static_cast<const status_t*>(tr.data.ptr.buffer); 761edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 766edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), this); 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 774edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 775edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 776edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 778edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 782edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 783edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 789edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 790edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 795edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 797db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (mProcess->mDriverFD <= 0) { 798db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson return -EBADF; 799db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 809edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_buffer = (long unsigned int)mOut.data(); 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 815edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 816edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 817edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_buffer = (long unsigned int)mIn.data(); 818edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 820d640f89205e17d9f19b11c2954862f0945a40e7bBen Cheng bwr.read_buffer = 0; 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 822aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 823edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 828edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 830edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 835edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 838edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 839aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 840edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 854edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 855db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (mProcess->mDriverFD <= 0) { 856db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson err = -EBADF; 857db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 862aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Our err: " << (void*)err << ", write consumed: " 865edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 8668d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor << "), read consumed: " << bwr.read_consumed << endl; 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed < (ssize_t)mOut.dataSize()) 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 873edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 874edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 875edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 880edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 882edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 884edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 889edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 904d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.cookie = 0; 905d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_pid = 0; 906d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_euid = 0; 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 910edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = data.ipcObjectsCount()*sizeof(size_t); 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = statusBuffer; 919edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = NULL; 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 923edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 924edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 925edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 926edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 931edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 937edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 939edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 943edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 946edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 9556726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(refs->refBase() == obj, 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 962edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 963edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 967edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 970edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 9716726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(refs->refBase() == obj, 972edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 973edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 974edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 983edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 984edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 986edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)refs); 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)obj); 988edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 989edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 990edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 991edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 992edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 993edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 994edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 995edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 9966726347e8950d34ae162fb8d6a3680a871d359e2Steve Block //ALOG_ASSERT(refs->refBase() == obj, 997edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 998edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 999edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 1000edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1001edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1002edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 1003edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs = (RefBase::weakref_type*)mIn.readInt32(); 1004edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj = (BBinder*)mIn.readInt32(); 1005edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1006edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1007edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 10086726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(success && refs->refBase() == obj, 1009edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 1010edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 1011edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1012edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1015edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 1020edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 10216726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(result == NO_ERROR, 1022edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 1023edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 1024edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1025edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 1027edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 1028edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 1029edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const size_t*>(tr.data.ptr.offsets), 1030edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size/sizeof(size_t), freeBuffer, this); 1031edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1032edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 1033edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 1034edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1035edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 1036edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 1037edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1038440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate int curPrio = getpriority(PRIO_PROCESS, mMyThreadId); 1039440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (gDisableBackgroundScheduling) { 1040440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio > ANDROID_PRIORITY_NORMAL) { 1041440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We have inherited a reduced priority from the caller, but do not 1042440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // want to run in that state in this process. The driver set our 1043440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // priority already (though not our scheduling class), so bounce 1044440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // it back to the default before invoking the transaction. 1045440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate setpriority(PRIO_PROCESS, mMyThreadId, ANDROID_PRIORITY_NORMAL); 1046440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 1047440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } else { 1048440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate if (curPrio >= ANDROID_PRIORITY_BACKGROUND) { 1049440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // We want to use the inherited priority from the caller. 1050440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // Ensure this thread is in the background scheduling class, 1051440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // since the driver won't modify scheduling classes for us. 1052440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // The scheduling group is reset to default by the caller 1053440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate // once this method returns after the transaction is complete. 1054a26e1cfbbcb7dc5e0b1cd79a815362d6a048ef26Glenn Kasten set_sched_policy(mMyThreadId, SP_BACKGROUND); 1055440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate } 10568c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn } 1057440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1058a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 1059edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1060edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 1061edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1062edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1063edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 1064edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 1065edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 1066edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 1067edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 1068edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 1069edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 1070edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 1071edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1072edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 1073edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<BBinder> b((BBinder*)tr.cookie); 10745273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = b->transact(tr.code, buffer, &reply, tr.flags); 1075edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 10765273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 1077edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 10785273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick const status_t error = the_context_object->transact(tr.code, buffer, &reply, tr.flags); 1079edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (error < NO_ERROR) reply.setError(error); 1080edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1081edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1082a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 1083edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 1084edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1085edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 1086edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 1087edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 1088edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 1089edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 1090edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1091edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1092edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 1093edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 1094440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1095edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1096edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1097edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 1098edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 1099edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 1105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 1108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 1109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)proxy); 1110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 1113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BpBinder *proxy = (BpBinder*)mIn.readInt32(); 1115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 1116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 1119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 1120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 1123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 1126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 1127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 1130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project printf("*** BAD COMMAND %d received from Binder driver\n", cmd); 1131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 1132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 1136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 1137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 11448d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor IPCThreadState* const self = static_cast<IPCThreadState*>(st); 11458d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (self) { 11468d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor self->flushCommands(); 1147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if defined(HAVE_ANDROID_OS) 1148db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (self->mProcess->mDriverFD > 0) { 1149db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1150db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 1151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 11528d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor delete self; 11538d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 1154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, size_t dataSize, 1158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t* objects, size_t objectsSize, 1159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie) 1160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1161a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing parcel %p", &parcel); 1162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 11656726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(data != NULL, "Called with NULL data"); 1166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32((int32_t)data); 1170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1173