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/*
* Copyright (C) 2021 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.
*/
#include "SensorThread.h"
#include "Sensor.h"
namespace android::hardware::sensors::V2_1::subhal::implementation {
SensorThread::SensorThread(SensorBase* sensor)
: mSensor(sensor), mStopThread(false), mWaitCV(), mRunMutex() {}
void SensorThread::start() {
mThread = std::thread([this]() -> void {
if (mSensor) {
while (!mStopThread) {
mSensor->pollSensor();
}
}
});
}
SensorThread::~SensorThread() {
{
std::unique_lock<std::mutex> lck(lock());
stop();
notifyAll();
}
join();
}
bool SensorThread::isStopped() const {
return mStopThread;
}
void SensorThread::join() {
mThread.join();
}
void SensorThread::notifyAll() {
mWaitCV.notify_all();
}
void SensorThread::stop() {
mStopThread = true;
}
std::unique_lock<std::mutex> SensorThread::lock() {
return std::move(std::unique_lock<std::mutex>(mRunMutex));
}
} // namespace android::hardware::sensors::V2_1::subhal::implementation
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