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/Log.h> 2796e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross#include <utils/SystemClock.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 <errno.h> 3496e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross#include <inttypes.h> 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <pthread.h> 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sched.h> 378fb2d25ff3e9ade7c03ebe52a89c671ee75ce484Yabin Cui#include <signal.h> 388fb2d25ff3e9ade7c03ebe52a89c671ee75ce484Yabin Cui#include <stdio.h> 398fb2d25ff3e9ade7c03ebe52a89c671ee75ce484Yabin Cui#include <sys/ioctl.h> 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/resource.h> 418fb2d25ff3e9ade7c03ebe52a89c671ee75ce484Yabin Cui#include <unistd.h> 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_NDEBUG 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_TRANSACTIONS() if (false) 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_COMMANDS() if (false) 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_REMOTEREFS(...) 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define IF_LOG_REMOTEREFS() if (false) 49d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_THREADPOOL(...) 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_ONEWAY(...) 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 559f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_TRANSACTIONS() IF_ALOG(LOG_VERBOSE, "transact") 569f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_COMMANDS() IF_ALOG(LOG_VERBOSE, "ipc") 579f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_REMOTEREFS(...) ALOG(LOG_DEBUG, "remoterefs", __VA_ARGS__) 589f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define IF_LOG_REMOTEREFS() IF_ALOG(LOG_DEBUG, "remoterefs") 599f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_THREADPOOL(...) ALOG(LOG_DEBUG, "threadpool", __VA_ARGS__) 609f760150f6e0f39b9923cfdc875373606839ee00Steve Block#define LOG_ONEWAY(...) ALOG(LOG_DEBUG, "ipc", __VA_ARGS__) 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 688e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh// Static const and functions will be optimized out if not used, 698e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh// when LOG_NDEBUG and references in IF_LOG_COMMANDS() are optimized out. 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kReturnStrings[] = { 71aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_ERROR", 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_OK", 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION", 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_REPLY", 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE_RESULT", 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_REPLY", 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_TRANSACTION_COMPLETE", 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_INCREFS", 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE", 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE", 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DECREFS", 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE", 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_NOOP", 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_SPAWN_LOOPER", 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_FINISHED", 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_DEAD_BINDER", 87aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_CLEAR_DEATH_NOTIFICATION_DONE", 88aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden "BR_FAILED_REPLY" 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const char *kCommandStrings[] = { 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_TRANSACTION", 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REPLY", 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_RESULT", 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_FREE_BUFFER", 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS", 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE", 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_RELEASE", 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DECREFS", 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_INCREFS_DONE", 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ACQUIRE_DONE", 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ATTEMPT_ACQUIRE", 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REGISTER_LOOPER", 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_ENTER_LOOPER", 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_EXIT_LOOPER", 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_REQUEST_DEATH_NOTIFICATION", 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_CLEAR_DEATH_NOTIFICATION", 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BC_DEAD_BINDER_DONE" 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 11173a7dde7c3e5c8437f396deeb200f250b3346be7songjinshistatic const char* getReturnString(uint32_t cmd) 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 11373a7dde7c3e5c8437f396deeb200f250b3346be7songjinshi size_t idx = cmd & 0xff; 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (idx < sizeof(kReturnStrings) / sizeof(kReturnStrings[0])) 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return kReturnStrings[idx]; 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return "unknown"; 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printBinderTransactionData(TextOutput& out, const void* data) 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const binder_transaction_data* btd = 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (const binder_transaction_data*)data; 124aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (btd->target.handle < 1024) { 125aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden /* want to print descriptors in decimal; guess based on value */ 126aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.desc=" << btd->target.handle; 127aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else { 128aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << "target.ptr=" << btd->target.ptr; 129aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } 130aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << " (cookie " << btd->cookie << ")" << endl 1318e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh << "code=" << TypeCode(btd->code) << ", flags=" << (void*)(long)btd->flags << endl 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "data=" << btd->data.ptr.buffer << " (" << (void*)btd->data_size 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " bytes)" << endl 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "offsets=" << btd->data.ptr.offsets << " (" << (void*)btd->offsets_size 135aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden << " bytes)"; 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return btd+1; 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printReturnCommand(TextOutput& out, const void* _cmd) 140edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 141aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kReturnStrings)/sizeof(kReturnStrings[0]); 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 14374debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer uint32_t code = (uint32_t)*cmd++; 144aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 14574debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer if (code == BR_ERROR) { 1468e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << "BR_ERROR: " << (void*)(long)(*cmd++) << endl; 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 148aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden } else if (cmdIndex >= N) { 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown reply: " << code << endl; 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 152aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kReturnStrings[cmdIndex]; 153d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: { 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 161d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: { 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 166d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: { 171edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 1738e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": target=" << (void*)(long)b << " (cookie " << (void*)(long)c << ")"; 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 175d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: { 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 1808e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": target=" << (void*)(long)b << " (cookie " << (void*)(long)c 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "), pri=" << p; 182edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: { 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 1878e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": death cookie " << (void*)(long)c; 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 189aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 190aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 191aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BR_OK, BR_DEAD_REPLY, 192aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BR_TRANSACTION_COMPLETE, BR_FINISHED 193aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 195d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 200edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic const void* printCommand(TextOutput& out, const void* _cmd) 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 202aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden static const size_t N = sizeof(kCommandStrings)/sizeof(kCommandStrings[0]); 203edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t* cmd = (const int32_t*)_cmd; 20474debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer uint32_t code = (uint32_t)*cmd++; 205aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden size_t cmdIndex = code & 0xff; 206aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 207aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden if (cmdIndex >= N) { 208edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << "Unknown command: " << code << endl; 209edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 210edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 211aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << kCommandStrings[cmdIndex]; 212aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 213edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (code) { 214edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_TRANSACTION: 215edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REPLY: { 216edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << indent; 217edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project cmd = (const int32_t *)printBinderTransactionData(out, cmd); 218edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << dedent; 219edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 220d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 221edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_RESULT: { 222edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t res = *cmd++; 223edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << ": " << res << (res ? " (SUCCESS)" : " (FAILURE)"); 224edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 225d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 226edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_FREE_BUFFER: { 227edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t buf = *cmd++; 2288e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": buffer=" << (void*)(long)buf; 229edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 230d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 231edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS: 232edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE: 233edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_RELEASE: 234edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DECREFS: { 235edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 236aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d; 237edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 238d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_INCREFS_DONE: 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ACQUIRE_DONE: { 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t b = *cmd++; 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 2438e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": target=" << (void*)(long)b << " (cookie " << (void*)(long)c << ")"; 244edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 245d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 246edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_ATTEMPT_ACQUIRE: { 247edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t p = *cmd++; 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t d = *cmd++; 249aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden out << ": desc=" << d << ", pri=" << p; 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 251d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 252edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_REQUEST_DEATH_NOTIFICATION: 253edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_CLEAR_DEATH_NOTIFICATION: { 254edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t h = *cmd++; 255edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 2568e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": handle=" << h << " (death cookie " << (void*)(long)c << ")"; 257edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BC_DEAD_BINDER_DONE: { 260edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t c = *cmd++; 2618e5337de2c67c24f1e5c6144512e2a9ba9fefe12Chih-Hung Hsieh out << ": death cookie " << (void*)(long)c; 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 263aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 264aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden default: 265aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // no details to show for: BC_REGISTER_LOOPER, BC_ENTER_LOOPER, 266aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden // BC_EXIT_LOOPER 267aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden break; 268edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 269d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project out << endl; 271edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return cmd; 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 273edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER; 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gHaveTLS = false; 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic pthread_key_t gTLS = 0; 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatic bool gShutdown = false; 2788c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornstatic bool gDisableBackgroundScheduling = false; 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState* IPCThreadState::self() 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectrestart: 284edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pthread_key_t k = gTLS; 285edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 286edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) return st; 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return new IPCThreadState; 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 289d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 290f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe if (gShutdown) { 291f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe ALOGW("Calling IPCThreadState::self() during shutdown is dangerous, expect a crash.\n"); 292f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe return NULL; 293f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe } 294d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 295edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_lock(&gTLSMutex); 296edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!gHaveTLS) { 297f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe int key_create_value = pthread_key_create(&gTLS, threadDestructor); 298f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe if (key_create_value != 0) { 299edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 300f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe ALOGW("IPCThreadState::self() unable to create TLS key, expect a crash: %s\n", 301f31a3eb3290c4154bd04113c8bb859a499f288b6Andreas Gampe strerror(key_create_value)); 302edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NULL; 303edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 304edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = true; 305edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 306edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_mutex_unlock(&gTLSMutex); 307edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto restart; 308edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 309edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3101b6084354710ca52c04ea361d751d19174802d57Brad FitzpatrickIPCThreadState* IPCThreadState::selfOrNull() 3111b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick{ 3121b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick if (gHaveTLS) { 3131b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick const pthread_key_t k = gTLS; 3141b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick IPCThreadState* st = (IPCThreadState*)pthread_getspecific(k); 3151b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return st; 3161b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick } 3171b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick return NULL; 3181b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick} 3191b6084354710ca52c04ea361d751d19174802d57Brad Fitzpatrick 320edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::shutdown() 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 322edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gShutdown = true; 323d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 324edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (gHaveTLS) { 325edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // XXX Need to wait for all thread pool threads to exit! 326edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* st = (IPCThreadState*)pthread_getspecific(gTLS); 327edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (st) { 328edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project delete st; 329edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, NULL); 330edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 331ff405785386ed8bdee50c4afdc4a4f9a73bcb81ezhongjie pthread_key_delete(gTLS); 332edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gHaveTLS = false; 333edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 334edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 335edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3368c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackbornvoid IPCThreadState::disableBackgroundScheduling(bool disable) 3378c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn{ 3388c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn gDisableBackgroundScheduling = disable; 3398c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn} 3408c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn 3412b6317436d2035ce98331906aaaca87e6026c9c8Martijn Coenenbool IPCThreadState::backgroundSchedulingDisabled() 3422b6317436d2035ce98331906aaaca87e6026c9c8Martijn Coenen{ 3432b6317436d2035ce98331906aaaca87e6026c9c8Martijn Coenen return gDisableBackgroundScheduling; 3442b6317436d2035ce98331906aaaca87e6026c9c8Martijn Coenen} 3452b6317436d2035ce98331906aaaca87e6026c9c8Martijn Coenen 346edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<ProcessState> IPCThreadState::process() 347edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 348edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mProcess; 349edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 350edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 351edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearLastError() 352edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 353edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = mLastError; 354edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = NO_ERROR; 355edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 356edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 357edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3589c634fd2d13722106d475b000b05babcce1f65beDan Stozapid_t IPCThreadState::getCallingPid() const 359edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 360edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingPid; 361edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 362edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 3639c634fd2d13722106d475b000b05babcce1f65beDan Stozauid_t IPCThreadState::getCallingUid() const 364edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 365edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return mCallingUid; 366edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 367edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 368edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint64_t IPCThreadState::clearCallingIdentity() 369edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 370edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t token = ((int64_t)mCallingUid<<32) | mCallingPid; 371edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project clearCaller(); 372edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return token; 373edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 374edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 375702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrickvoid IPCThreadState::setStrictModePolicy(int32_t policy) 376702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick{ 377702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick mStrictModePolicy = policy; 378702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 379702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 380a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickint32_t IPCThreadState::getStrictModePolicy() const 381a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick{ 382702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return mStrictModePolicy; 383702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 384702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick 3855273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickvoid IPCThreadState::setLastTransactionBinderFlags(int32_t flags) 3865273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3875273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags = flags; 3885273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3895273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 3905273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrickint32_t IPCThreadState::getLastTransactionBinderFlags() const 3915273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick{ 3925273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick return mLastTransactionBinderFlags; 3935273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick} 3945273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 395edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::restoreCallingIdentity(int64_t token) 396edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 397edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = (int)(token>>32); 398edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = (int)token; 399edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 400edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 401edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::clearCaller() 402edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 403d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingPid = getpid(); 404d43b194b69fca6c81023effc921fcc7576bad496Marco Nelissen mCallingUid = getuid(); 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::flushCommands() 408edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 409edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mProcess->mDriverFD <= 0) 410edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return; 411edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 412edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 413edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 414376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwalevoid IPCThreadState::blockUntilThreadAvailable() 415376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale{ 416376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_lock(&mProcess->mThreadCountLock); 417376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale while (mProcess->mExecutingThreadsCount >= mProcess->mMaxThreads) { 418a3206e690bcfe5c982a0d7fff7c845b83a3ed91fWale Ogunwale ALOGW("Waiting for thread to be free. mExecutingThreadsCount=%lu mMaxThreads=%lu\n", 419a3206e690bcfe5c982a0d7fff7c845b83a3ed91fWale Ogunwale static_cast<unsigned long>(mProcess->mExecutingThreadsCount), 420a3206e690bcfe5c982a0d7fff7c845b83a3ed91fWale Ogunwale static_cast<unsigned long>(mProcess->mMaxThreads)); 421376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_cond_wait(&mProcess->mThreadCountDecrement, &mProcess->mThreadCountLock); 422376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale } 423376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_unlock(&mProcess->mThreadCountLock); 424376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale} 425376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 4268d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorstatus_t IPCThreadState::getAndExecuteCommand() 4278d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 4288d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor status_t result; 4298d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor int32_t cmd; 4308d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4318d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = talkWithDriver(); 4328d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (result >= NO_ERROR) { 4338d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor size_t IN = mIn.dataAvail(); 4348d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (IN < sizeof(int32_t)) return result; 4358d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor cmd = mIn.readInt32(); 4368d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor IF_LOG_COMMANDS() { 4378d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor alog << "Processing top-level Command: " 4388d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor << getReturnString(cmd) << endl; 4398d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4408d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 441376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_lock(&mProcess->mThreadCountLock); 442376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale mProcess->mExecutingThreadsCount++; 44396e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross if (mProcess->mExecutingThreadsCount >= mProcess->mMaxThreads && 44496e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross mProcess->mStarvationStartTimeMs == 0) { 44596e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross mProcess->mStarvationStartTimeMs = uptimeMillis(); 44696e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross } 447376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_unlock(&mProcess->mThreadCountLock); 448376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale 4498d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = executeCommand(cmd); 4508d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 451376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_lock(&mProcess->mThreadCountLock); 452376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale mProcess->mExecutingThreadsCount--; 45396e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross if (mProcess->mExecutingThreadsCount < mProcess->mMaxThreads && 45496e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross mProcess->mStarvationStartTimeMs != 0) { 45596e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross int64_t starvationTimeMs = uptimeMillis() - mProcess->mStarvationStartTimeMs; 45696e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross if (starvationTimeMs > 100) { 45796e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross ALOGE("binder thread pool (%zu threads) starved for %" PRId64 " ms", 45896e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross mProcess->mMaxThreads, starvationTimeMs); 45996e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross } 46096e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross mProcess->mStarvationStartTimeMs = 0; 46196e8322f4d11af8538d6d0db5f1a11338b8aee9dColin Cross } 462376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_cond_broadcast(&mProcess->mThreadCountDecrement); 463376b822728c582a9deb26ce339deb5204ae4d22eWale Ogunwale pthread_mutex_unlock(&mProcess->mThreadCountLock); 4648d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4658d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4668d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return result; 4678d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 4688d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4698d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor// When we've cleared the incoming command queue, process any pending derefs 4708d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorvoid IPCThreadState::processPendingDerefs() 4718d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 4728d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (mIn.dataPosition() >= mIn.dataSize()) { 4738d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor size_t numPending = mPendingWeakDerefs.size(); 4748d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (numPending > 0) { 4758d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor for (size_t i = 0; i < numPending; i++) { 4768d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor RefBase::weakref_type* refs = mPendingWeakDerefs[i]; 4778d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor refs->decWeak(mProcess.get()); 4788d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4798d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mPendingWeakDerefs.clear(); 4808d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4818d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 4828d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor numPending = mPendingStrongDerefs.size(); 4838d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (numPending > 0) { 4848d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor for (size_t i = 0; i < numPending; i++) { 4858d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor BBinder* obj = mPendingStrongDerefs[i]; 4868d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor obj->decStrong(mProcess.get()); 4878d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4888d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mPendingStrongDerefs.clear(); 4898d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4908d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 4918d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 4928d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 493edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::joinThreadPool(bool isMain) 494edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 495edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_THREADPOOL("**** THREAD %p (PID %d) IS JOINING THE THREAD POOL\n", (void*)pthread_self(), getpid()); 496edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 497edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(isMain ? BC_ENTER_LOOPER : BC_REGISTER_LOOPER); 498d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 499edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result; 500edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 5018d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor processPendingDerefs(); 502edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // now get the next command to be processed, waiting if necessary 5038d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = getAndExecuteCommand(); 504dcd3958c5086f757dc09472700ae7384efea7fc8Jason Parks 5058d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (result < NO_ERROR && result != TIMED_OUT && result != -ECONNREFUSED && result != -EBADF) { 5068d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor ALOGE("getAndExecuteCommand(fd=%d) returned unexpected error %d, aborting", 507ef07386e2fca73680214ececc3c9c0ecbb0f6d88Jeff Tinker mProcess->mDriverFD, result); 508ef07386e2fca73680214ececc3c9c0ecbb0f6d88Jeff Tinker abort(); 509edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 510d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 511edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Let this thread exit the thread pool if it is no longer 512edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // needed and it is not the main process thread. 513edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if(result == TIMED_OUT && !isMain) { 514edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 515edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 516edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (result != -ECONNREFUSED && result != -EBADF); 517edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 518c734143ca5bf7acfea782b79cfd6700af206a9caWei Wang LOG_THREADPOOL("**** THREAD %p (PID %d) IS LEAVING THE THREAD POOL err=%d\n", 519c734143ca5bf7acfea782b79cfd6700af206a9caWei Wang (void*)pthread_self(), getpid(), result); 520d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 521edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_EXIT_LOOPER); 522edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project talkWithDriver(false); 523edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 524edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 5258d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorint IPCThreadState::setupPolling(int* fd) 5268d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 5278d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (mProcess->mDriverFD <= 0) { 5288d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return -EBADF; 5298d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 5308d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5318d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor mOut.writeInt32(BC_ENTER_LOOPER); 5328d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor *fd = mProcess->mDriverFD; 5338d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return 0; 5348d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 5358d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5368d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynorstatus_t IPCThreadState::handlePolledCommands() 5378d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor{ 5388d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor status_t result; 5398d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5408d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor do { 5418d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor result = getAndExecuteCommand(); 5428d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } while (mIn.dataPosition() < mIn.dataSize()); 5438d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5448d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor processPendingDerefs(); 5458d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor flushCommands(); 5468d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor return result; 5478d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor} 5488d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor 5496f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid IPCThreadState::stopProcess(bool /*immediate*/) 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 551a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("**** STOPPING PROCESS"); 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flushCommands(); 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int fd = mProcess->mDriverFD; 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->mDriverFD = -1; 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project close(fd); 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project //kill(getpid(), SIGKILL); 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::transact(int32_t handle, 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t code, const Parcel& data, 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel* reply, uint32_t flags) 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = data.errorCheck(); 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project flags |= TF_ACCEPT_FDS; 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_TRANSACTION thr " << (void*)pthread_self() << " / hand " 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << " / code " << TypeCode(code) << ": " 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << indent << data << dedent << endl; 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 573d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY(">>>> SEND from pid %d uid %d %s", getpid(), getuid(), 576edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project (flags & TF_ONE_WAY) == 0 ? "READ REPLY" : "ONE WAY"); 577edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_TRANSACTION, flags, handle, code, data, NULL); 578edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 579d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 580edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 581edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 582edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 583edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 584d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 585edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((flags & TF_ONE_WAY) == 0) { 58667f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 58767f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 588a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction 4"); 58967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 590a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI(">>>>>> CALLING transaction %d", code); 59167f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 59267f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 593edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 594edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(reply); 595edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 596edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel fakeReply; 597edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(&fakeReply); 598edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 59967f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #if 0 60067f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn if (code == 4) { // relayout 601a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction 4"); 60267f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } else { 603a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block ALOGI("<<<<<< RETURNING transaction %d", code); 60467f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn } 60567f78c4fe8f89b52199f509f36e42df0b1cdfe2dDianne Hackborn #endif 606d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 607edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 608edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 609edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_REPLY thr " << (void*)pthread_self() << " / hand " 610edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << handle << ": "; 611edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) alog << indent << *reply << dedent << endl; 612edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else alog << "(none requested)" << endl; 613edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 614edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 615edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = waitForResponse(NULL, NULL); 616edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 617d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 618edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 619edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 620edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 621edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incStrongHandle(int32_t handle) 622edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 623edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incStrongHandle(%d)\n", handle); 624edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE); 625edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 626edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 627edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 628edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decStrongHandle(int32_t handle) 629edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 630edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decStrongHandle(%d)\n", handle); 631edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_RELEASE); 632edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 633edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 634edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 635edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::incWeakHandle(int32_t handle) 636edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 637edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::incWeakHandle(%d)\n", handle); 638edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS); 639edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 640edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 641edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 642edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::decWeakHandle(int32_t handle) 643edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 644edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("IPCThreadState::decWeakHandle(%d)\n", handle); 645edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DECREFS); 646edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 647edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 648edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 649edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::attemptIncStrongHandle(int32_t handle) 650edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 65111cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg#if HAS_BC_ATTEMPT_ACQUIRE 652aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden LOG_REMOTEREFS("IPCThreadState::attemptIncStrongHandle(%d)\n", handle); 653edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ATTEMPT_ACQUIRE); 654edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(0); // xxx was thread priority 655edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(handle); 656edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = UNKNOWN_ERROR; 657d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 658edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project waitForResponse(NULL, &result); 659d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 660edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 661a43ee156098776698a39882bb00ecebc555948d0liangweikang ALOGV("IPCThreadState::attemptIncStrongHandle(%ld) = %s\n", 662edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project handle, result == NO_ERROR ? "SUCCESS" : "FAILURE"); 663edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 664d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 665edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 66611cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg#else 66711cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg (void)handle; 66811cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg ALOGE("%s(%d): Not supported\n", __func__, handle); 66911cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg return INVALID_OPERATION; 67011cfdccfd3cfceb08732909a1489419ff0229694Arve Hjønnevåg#endif 671edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 672edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 673edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::expungeHandle(int32_t handle, IBinder* binder) 674edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 675edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#if LOG_REFCOUNTS 676a43ee156098776698a39882bb00ecebc555948d0liangweikang ALOGV("IPCThreadState::expungeHandle(%ld)\n", handle); 677edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 678edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project self()->mProcess->expungeHandle(handle, binder); 679edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 680edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 681edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::requestDeathNotification(int32_t handle, BpBinder* proxy) 682edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 683edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_REQUEST_DEATH_NOTIFICATION); 684edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 685f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)proxy); 686edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 687edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 688edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 689edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::clearDeathNotification(int32_t handle, BpBinder* proxy) 690edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 691edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_CLEAR_DEATH_NOTIFICATION); 692edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)handle); 693f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)proxy); 694edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 695edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 696edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 697edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::IPCThreadState() 6985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick : mProcess(ProcessState::self()), 6995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mStrictModePolicy(0), 7005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick mLastTransactionBinderFlags(0) 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 702edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project pthread_setspecific(gTLS, this); 7038c6cedc9bc9a4b69616a79a95449f6f6b08c7bf1Dianne Hackborn clearCaller(); 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataCapacity(256); 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataCapacity(256); 706edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectIPCThreadState::~IPCThreadState() 709edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 710edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 711edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 712edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::sendReply(const Parcel& reply, uint32_t flags) 713edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 714edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 715edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t statusBuffer; 716edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = writeTransactionData(BC_REPLY, flags, -1, 0, reply, &statusBuffer); 717edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) return err; 718d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 719edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return waitForResponse(NULL, NULL); 720edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 721edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 722edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::waitForResponse(Parcel *reply, status_t *acquireResult) 723edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 72474debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer uint32_t cmd; 725edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t err; 726edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 727edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (1) { 728edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((err=talkWithDriver()) < NO_ERROR) break; 729edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.errorCheck(); 730edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err < NO_ERROR) break; 731edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mIn.dataAvail() == 0) continue; 732d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 73374debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer cmd = (uint32_t)mIn.readInt32(); 734d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 735edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 736edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Processing waitForResponse Command: " 737edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << getReturnString(cmd) << endl; 738edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 739edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 740edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project switch (cmd) { 741edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION_COMPLETE: 742edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!reply && !acquireResult) goto finish; 743edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 744d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 745edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_REPLY: 746edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = DEAD_OBJECT; 747edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 748edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 749edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FAILED_REPLY: 750edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = FAILED_TRANSACTION; 751edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 752d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 753edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE_RESULT: 754edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 7556726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(acquireResult != NULL, "Unexpected brACQUIRE_RESULT"); 756edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int32_t result = mIn.readInt32(); 757edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!acquireResult) continue; 758edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *acquireResult = result ? NO_ERROR : INVALID_OPERATION; 759edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 760edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 761d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 762edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_REPLY: 763edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 764edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 765edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = mIn.read(&tr, sizeof(tr)); 7666726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(err == NO_ERROR, "Not enough command data for brREPLY"); 767edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 768edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 769edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) { 770edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_STATUS_CODE) == 0) { 771edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reply->ipcSetDataReference( 772edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 773edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 77484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets), 77584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.offsets_size/sizeof(binder_size_t), 776edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer, this); 777edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 77884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg err = *reinterpret_cast<const status_t*>(tr.data.ptr.buffer); 779edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 780edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 781edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 78284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets), 78384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.offsets_size/sizeof(binder_size_t), this); 784edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 785edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 786edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project freeBuffer(NULL, 787edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 788edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 78984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets), 79084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.offsets_size/sizeof(binder_size_t), this); 791edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project continue; 792edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 793edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 794edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project goto finish; 795edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 796edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 797edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = executeCommand(cmd); 798edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) goto finish; 799edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 800edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 801edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 802edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 803edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectfinish: 804edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 805edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (acquireResult) *acquireResult = err; 806edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (reply) reply->setError(err); 807edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = err; 808edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 809d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 810edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 811edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 812edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 813edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::talkWithDriver(bool doReceive) 814edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 815db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (mProcess->mDriverFD <= 0) { 816db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson return -EBADF; 817db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 818d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 819edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_write_read bwr; 820d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 821edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Is the read buffer empty? 822edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool needRead = mIn.dataPosition() >= mIn.dataSize(); 823d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 824edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // We don't want to write anything if we are still reading 825edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // from data left in the input buffer and the caller 826edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // has requested to read the next data. 827edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const size_t outAvail = (!doReceive || needRead) ? mOut.dataSize() : 0; 828d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 829edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_size = outAvail; 83084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg bwr.write_buffer = (uintptr_t)mOut.data(); 831edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 832edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // This is what we'll read. 833edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (doReceive && needRead) { 834edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = mIn.dataCapacity(); 83584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg bwr.read_buffer = (uintptr_t)mIn.data(); 836edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 837edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_size = 0; 838d640f89205e17d9f19b11c2954862f0945a40e7bBen Cheng bwr.read_buffer = 0; 839edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 840aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 841edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 842edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 843edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (outAvail != 0) { 844edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Sending commands to driver: " << indent; 845edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = (const void*)bwr.write_buffer; 846edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = ((const uint8_t*)cmds)+bwr.write_size; 847edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, bwr.write_size) << endl; 848edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printCommand(alog, cmds); 849edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 850edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 851edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Size of receive buffer: " << bwr.read_size 852edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", needRead: " << needRead << ", doReceive: " << doReceive << endl; 853edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 854d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 855edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Return immediately if there is nothing to do. 856edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((bwr.write_size == 0) && (bwr.read_size == 0)) return NO_ERROR; 857aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 858edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.write_consumed = 0; 859edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bwr.read_consumed = 0; 860edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err; 861edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project do { 862edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 863edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "About to read/write, write size = " << mOut.dataSize() << endl; 864edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 8656071da7ef84c60645572654504813d492b8b21d5Elliott Hughes#if defined(__ANDROID__) 866edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0) 867edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = NO_ERROR; 868edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 869edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = -errno; 870edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 871edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = INVALID_OPERATION; 872edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 873db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (mProcess->mDriverFD <= 0) { 874db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson err = -EBADF; 875db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 876edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 877edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Finished read/write, write size = " << mOut.dataSize() << endl; 878edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 879edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } while (err == -EINTR); 880aefc9cda45adb00ec1cb2c8fbd03c50fd48499fbAndy McFadden 881edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 8826f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross alog << "Our err: " << (void*)(intptr_t)err << ", write consumed: " 883edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << bwr.write_consumed << " (of " << mOut.dataSize() 8848d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor << "), read consumed: " << bwr.read_consumed << endl; 885edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 886edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 887edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err >= NO_ERROR) { 888edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.write_consumed > 0) { 88984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (bwr.write_consumed < mOut.dataSize()) 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.remove(0, bwr.write_consumed); 891edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project else 892edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.setDataSize(0); 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 894edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (bwr.read_consumed > 0) { 895edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataSize(bwr.read_consumed); 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mIn.setDataPosition(0); 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 898edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Remaining data size: " << mOut.dataSize() << endl; 901edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Received commands from driver: " << indent; 902edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* cmds = mIn.data(); 903edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* end = mIn.data() + mIn.dataSize(); 904edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << HexDump(cmds, mIn.dataSize()) << endl; 905edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (cmds < end) cmds = printReturnCommand(alog, cmds); 906edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << dedent; 907edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 908edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 909edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 910d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 911edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 912edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 913edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 914edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::writeTransactionData(int32_t cmd, uint32_t binderFlags, 915edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t handle, uint32_t code, const Parcel& data, status_t* statusBuffer) 916edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 917edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 918edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 91907fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg tr.target.ptr = 0; /* Don't pass uninitialized stack data to a remote process */ 920edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.target.handle = handle; 921edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.code = code; 922edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags = binderFlags; 923d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.cookie = 0; 924d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_pid = 0; 925d547432f98889d57a8c37e91090664efe63da436Evgeniy Stepanov tr.sender_euid = 0; 926d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 927edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const status_t err = data.errorCheck(); 928edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err == NO_ERROR) { 929edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = data.ipcDataSize(); 930edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.buffer = data.ipcData(); 93184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.offsets_size = data.ipcObjectsCount()*sizeof(binder_size_t); 932edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data.ptr.offsets = data.ipcObjects(); 933edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else if (statusBuffer) { 934edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.flags |= TF_STATUS_CODE; 935edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project *statusBuffer = err; 936edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size = sizeof(status_t); 93787b30d0447829167b2d83f4f61f702638d937524Arve Hjønnevåg tr.data.ptr.buffer = reinterpret_cast<uintptr_t>(statusBuffer); 938edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.offsets_size = 0; 93984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.data.ptr.offsets = 0; 940edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 941edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return (mLastError = err); 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 943d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 944edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(cmd); 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.write(&tr, sizeof(tr)); 946d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 947edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return NO_ERROR; 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 950edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<BBinder> the_context_object; 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid setTheContextObject(sp<BBinder> obj) 953edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 954edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project the_context_object = obj; 955edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 956edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 957edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t IPCThreadState::executeCommand(int32_t cmd) 958edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 959edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project BBinder* obj; 960edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project RefBase::weakref_type* refs; 961edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t result = NO_ERROR; 962d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 96374debb0b8fc47d443aaf7fe79f7b67f53f735f7fBernhard Rosenkränzer switch ((uint32_t)cmd) { 964edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ERROR: 965edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.readInt32(); 966edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 967d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 968edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_OK: 969edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 970d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 971edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ACQUIRE: 972f683e0163a84d93448b9388126902242367cd961Serban Constantinescu refs = (RefBase::weakref_type*)mIn.readPointer(); 973f683e0163a84d93448b9388126902242367cd961Serban Constantinescu obj = (BBinder*)mIn.readPointer(); 9746726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(refs->refBase() == obj, 975edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ACQUIRE: object %p does not match cookie %p (expected %p)", 976edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 977edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->incStrong(mProcess.get()); 978edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 979edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_ACQUIRE from driver on %p", obj); 980edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 981edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 982edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_DONE); 983f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)refs); 984f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)obj); 985edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 986d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 987edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_RELEASE: 988f683e0163a84d93448b9388126902242367cd961Serban Constantinescu refs = (RefBase::weakref_type*)mIn.readPointer(); 989f683e0163a84d93448b9388126902242367cd961Serban Constantinescu obj = (BBinder*)mIn.readPointer(); 9906726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(refs->refBase() == obj, 991edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_RELEASE: object %p does not match cookie %p (expected %p)", 992edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 993edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_REMOTEREFS() { 994edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_REMOTEREFS("BR_RELEASE from driver on %p", obj); 995edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project obj->printRefs(); 996edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 997edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingStrongDerefs.push(obj); 998edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 999d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1000edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_INCREFS: 1001f683e0163a84d93448b9388126902242367cd961Serban Constantinescu refs = (RefBase::weakref_type*)mIn.readPointer(); 1002f683e0163a84d93448b9388126902242367cd961Serban Constantinescu obj = (BBinder*)mIn.readPointer(); 1003edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs->incWeak(mProcess.get()); 1004edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_INCREFS_DONE); 1005f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)refs); 1006f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)obj); 1007edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1008d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1009edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DECREFS: 1010f683e0163a84d93448b9388126902242367cd961Serban Constantinescu refs = (RefBase::weakref_type*)mIn.readPointer(); 1011f683e0163a84d93448b9388126902242367cd961Serban Constantinescu obj = (BBinder*)mIn.readPointer(); 1012edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // NOTE: This assertion is not valid, because the object may no 1013edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // longer exist (thus the (BBinder*)cast above resulting in a different 1014edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // memory address). 10156726347e8950d34ae162fb8d6a3680a871d359e2Steve Block //ALOG_ASSERT(refs->refBase() == obj, 1016edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // "BR_DECREFS: object %p does not match cookie %p (expected %p)", 1017edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // refs, obj, refs->refBase()); 1018edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mPendingWeakDerefs.push(refs); 1019edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1020d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1021edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_ATTEMPT_ACQUIRE: 1022f683e0163a84d93448b9388126902242367cd961Serban Constantinescu refs = (RefBase::weakref_type*)mIn.readPointer(); 1023f683e0163a84d93448b9388126902242367cd961Serban Constantinescu obj = (BBinder*)mIn.readPointer(); 1024d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1025edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1026edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const bool success = refs->attemptIncStrong(mProcess.get()); 10276726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(success && refs->refBase() == obj, 1028edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "BR_ATTEMPT_ACQUIRE: object %p does not match cookie %p (expected %p)", 1029edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project refs, obj, refs->refBase()); 1030d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1031edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_ACQUIRE_RESULT); 1032edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32((int32_t)success); 1033edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1034edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1035d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1036edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_TRANSACTION: 1037edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1038edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project binder_transaction_data tr; 1039edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = mIn.read(&tr, sizeof(tr)); 10406726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(result == NO_ERROR, 1041edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "Not enough command data for brTRANSACTION"); 1042edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) break; 1043d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1044edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel buffer; 1045edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project buffer.ipcSetDataReference( 1046edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer), 1047edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project tr.data_size, 104884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets), 104984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg tr.offsets_size/sizeof(binder_size_t), freeBuffer, this); 1050d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1051edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const pid_t origPid = mCallingPid; 1052edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uid_t origUid = mCallingUid; 10535ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn const int32_t origStrictModePolicy = mStrictModePolicy; 10545ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn const int32_t origTransactionBinderFlags = mLastTransactionBinderFlags; 10555ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn 1056edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = tr.sender_pid; 1057edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = tr.sender_euid; 10585ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn mLastTransactionBinderFlags = tr.flags; 10595ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn 1060a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI(">>>> TRANSACT from pid %d uid %d\n", mCallingPid, mCallingUid); 10615ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn 1062edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel reply; 10635ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn status_t error; 1064edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1065edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1066edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BR_TRANSACTION thr " << (void*)pthread_self() 1067edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << " / obj " << tr.target.ptr << " / code " 1068edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << TypeCode(tr.code) << ": " << indent << buffer 1069edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << dedent << endl 1070edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << "Data addr = " 1071edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer) 1072edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << ", offsets addr=" 1073edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << reinterpret_cast<const size_t*>(tr.data.ptr.offsets) << endl; 1074edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1075edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (tr.target.ptr) { 1076c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn // We only have a weak reference on the target object, so we must first try to 1077c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn // safely acquire a strong reference before doing anything else with it. 1078c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn if (reinterpret_cast<RefBase::weakref_type*>( 1079c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn tr.target.ptr)->attemptIncStrong(this)) { 1080c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn error = reinterpret_cast<BBinder*>(tr.cookie)->transact(tr.code, buffer, 1081c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn &reply, tr.flags); 1082c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn reinterpret_cast<BBinder*>(tr.cookie)->decStrong(this); 1083c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn } else { 1084c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn error = UNKNOWN_TRANSACTION; 1085c11146106f94e07016e8e26e4f8628f9a0c73199Dianne Hackborn } 10865273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick 1087edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 10885ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn error = the_context_object->transact(tr.code, buffer, &reply, tr.flags); 1089edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 10905ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn 1091a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("<<<< TRANSACT from pid %d restore pid %d uid %d\n", 1092edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // mCallingPid, origPid, origUid); 1093d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1094edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if ((tr.flags & TF_ONE_WAY) == 0) { 1095edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("Sending reply to %d!", mCallingPid); 10965ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn if (error < NO_ERROR) reply.setError(error); 1097edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sendReply(reply, 0); 1098edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } else { 1099edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project LOG_ONEWAY("NOT sending reply to %d!", mCallingPid); 1100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1101d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingPid = origPid; 1103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mCallingUid = origUid; 11045ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn mStrictModePolicy = origStrictModePolicy; 11055ee2c9d20c0fbecf6b4a482eb8d8bfdf85d0d424Dianne Hackborn mLastTransactionBinderFlags = origTransactionBinderFlags; 1106440fd870b20b4720e11c9ea71d2a3284f8cf2f59Christopher Tate 1107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_TRANSACTIONS() { 1108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project TextOutput::Bundle _b(alog); 1109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "BC_REPLY thr " << (void*)pthread_self() << " / obj " 1110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project << tr.target.ptr << ": " << indent << reply << dedent << endl; 1111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1112d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1115d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_DEAD_BINDER: 1117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1118f683e0163a84d93448b9388126902242367cd961Serban Constantinescu BpBinder *proxy = (BpBinder*)mIn.readPointer(); 1119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->sendObituary(); 1120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mOut.writeInt32(BC_DEAD_BINDER_DONE); 1121f683e0163a84d93448b9388126902242367cd961Serban Constantinescu mOut.writePointer((uintptr_t)proxy); 1122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1123d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_CLEAR_DEATH_NOTIFICATION_DONE: 1125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project { 1126f683e0163a84d93448b9388126902242367cd961Serban Constantinescu BpBinder *proxy = (BpBinder*)mIn.readPointer(); 1127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project proxy->getWeakRefs()->decWeak(proxy); 1128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } break; 1129d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_FINISHED: 1131edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = TIMED_OUT; 1132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1133d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_NOOP: 1135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1136d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project case BR_SPAWN_LOOPER: 1138edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mProcess->spawnPooledThread(false); 1139edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1140d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1141edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project default: 1142a43ee156098776698a39882bb00ecebc555948d0liangweikang ALOGE("*** BAD COMMAND %d received from Binder driver\n", cmd); 1143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project result = UNKNOWN_ERROR; 1144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project break; 1145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (result != NO_ERROR) { 1148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mLastError = result; 1149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1150d429f4a2d5cf2db093bb0e35cb651d764d1973c8Tim Murray 1151edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return result; 1152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid IPCThreadState::threadDestructor(void *st) 1155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 11568d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor IPCThreadState* const self = static_cast<IPCThreadState*>(st); 11578d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor if (self) { 11588d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor self->flushCommands(); 11596071da7ef84c60645572654504813d492b8b21d5Elliott Hughes#if defined(__ANDROID__) 1160db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson if (self->mProcess->mDriverFD > 0) { 1161db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0); 1162db1597a98958b78dc0d8eced19ae1406382b70d6Johannes Carlsson } 1163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 11648d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor delete self; 11658d96cab8bfc1b40a8e05c6f43b485750a5ae0a52Todd Poynor } 1166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 11696f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid IPCThreadState::freeBuffer(Parcel* parcel, const uint8_t* data, 11706f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross size_t /*dataSize*/, 11716f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const binder_size_t* /*objects*/, 11726f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross size_t /*objectsSize*/, void* /*cookie*/) 1173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 1174a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing parcel %p", &parcel); 1175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IF_LOG_COMMANDS() { 1176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project alog << "Writing BC_FREE_BUFFER for " << data << endl; 1177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 11786726347e8950d34ae162fb8d6a3680a871d359e2Steve Block ALOG_ASSERT(data != NULL, "Called with NULL data"); 1179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (parcel != NULL) parcel->closeFileDescriptors(); 1180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project IPCThreadState* state = self(); 1181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project state->mOut.writeInt32(BC_FREE_BUFFER); 1182f683e0163a84d93448b9388126902242367cd961Serban Constantinescu state->mOut.writePointer((uintptr_t)data); 1183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 1184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 1186