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61 lines
1.8 KiB
61 lines
1.8 KiB
4 months ago
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "HalDeathHandler"
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//#define LOG_NDEBUG 0
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#include <utils/Log.h>
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#include <media/audiohal/hidl/HalDeathHandler.h>
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namespace android {
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ANDROID_SINGLETON_STATIC_INSTANCE(HalDeathHandler);
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// static
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sp<HalDeathHandler> HalDeathHandler::getInstance() {
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return &Singleton<HalDeathHandler>::getInstance();
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}
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HalDeathHandler::HalDeathHandler() : mSelf(this) {
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}
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HalDeathHandler::~HalDeathHandler() {
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}
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void HalDeathHandler::registerAtExitHandler(void* cookie, AtExitHandler handler) {
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std::lock_guard<std::mutex> guard(mHandlersLock);
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mHandlers.insert({cookie, handler});
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}
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void HalDeathHandler::unregisterAtExitHandler(void* cookie) {
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std::lock_guard<std::mutex> guard(mHandlersLock);
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mHandlers.erase(cookie);
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}
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void HalDeathHandler::serviceDied(uint64_t /*cookie*/, const wp<IBase>& /*who*/) {
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// No matter which of the service objects has died,
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// we need to run all the registered handlers and exit.
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std::lock_guard<std::mutex> guard(mHandlersLock);
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for (const auto& handler : mHandlers) {
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handler.second();
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}
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ALOGE("HAL server crashed, audio server is restarting");
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_exit(1); // Avoid calling atexit handlers, as this code runs on a thread from RPC threadpool.
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}
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} // namespace android
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