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/*
* 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 exit.
std::lock_guard<std::mutex> guard(mHandlersLock);
for (const auto& handler : mHandlers) {
handler.second();
}
ALOGE("HAL server crashed, audio server is restarting");
_exit(1); // Avoid calling atexit handlers, as this code runs on a thread from RPC threadpool.
}
} // namespace android
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