| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "HalDeathHandler" |
| //#define LOG_NDEBUG 0 |
| |
| #include <utils/Log.h> |
| |
| #include <media/audiohal/hidl/HalDeathHandler.h> |
| |
| namespace android { |
| |
| ANDROID_SINGLETON_STATIC_INSTANCE(HalDeathHandler); |
| |
| // static |
| sp<HalDeathHandler> HalDeathHandler::getInstance() { |
| return &Singleton<HalDeathHandler>::getInstance(); |
| } |
| |
| HalDeathHandler::HalDeathHandler() : mSelf(this) { |
| } |
| |
| HalDeathHandler::~HalDeathHandler() { |
| } |
| |
| void HalDeathHandler::registerAtExitHandler(void* cookie, AtExitHandler handler) { |
| std::lock_guard<std::mutex> guard(mHandlersLock); |
| mHandlers.insert({cookie, handler}); |
| } |
| |
| void HalDeathHandler::unregisterAtExitHandler(void* cookie) { |
| std::lock_guard<std::mutex> guard(mHandlersLock); |
| mHandlers.erase(cookie); |
| } |
| |
| void HalDeathHandler::serviceDied(uint64_t /*cookie*/, const wp<IBase>& /*who*/) { |
| // No matter which of the service objects has died, |
| // we need to run all the registered handlers and crash our process. |
| std::lock_guard<std::mutex> guard(mHandlersLock); |
| for (const auto& handler : mHandlers) { |
| handler.second(); |
| } |
| LOG_ALWAYS_FATAL("HAL server crashed, need to restart"); |
| } |
| |
| } // namespace android |