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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.
*/
#ifndef A_LOOPER_H_
#define A_LOOPER_H_
#include <android-base/macros.h>
#include <utils/Condition.h>
#include <utils/Mutex.h>
#include <utils/RefBase.h>
#include <vector>
struct ASensorEventQueue;
struct ALooper {
ALooper();
void signalSensorEvents(const std::shared_ptr<ASensorEventQueue>& queue);
void wake();
int pollOnce(int timeoutMillis, int *outFd, int *outEvents, void **outData);
void invalidateSensorQueue(const std::shared_ptr<ASensorEventQueue>& queue);
private:
android::Mutex mLock;
android::Condition mCondition;
std::vector<std::weak_ptr<ASensorEventQueue>> mReadyQueues;
bool mAwoken;
DISALLOW_COPY_AND_ASSIGN(ALooper);
};
#endif // A_LOOPER_H_
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