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/**
* \file
* \brief SemaphoreTryWaitForFunctor class header
*
* \author Copyright (C) 2014-2015 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info
*
* \par License
* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not
* distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_SEMAPHORETRYWAITFORFUNCTOR_HPP_
#define INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_SEMAPHORETRYWAITFORFUNCTOR_HPP_
#include "distortos/internal/synchronization/SemaphoreFunctor.hpp"
#include "distortos/TickClock.hpp"
namespace distortos
{
namespace internal
{
/// SemaphoreTryWaitForFunctor class is a SemaphoreFunctor which calls Semaphore::tryWaitFor() with bounded duration
class SemaphoreTryWaitForFunctor : public SemaphoreFunctor
{
public:
/**
* \brief SemaphoreTryWaitForFunctor's constructor
*
* \param [in] duration is the bounded duration for Semaphore::tryWaitFor() call
*/
constexpr explicit SemaphoreTryWaitForFunctor(const TickClock::duration duration) :
duration_{duration}
{
}
/**
* \brief Calls Semaphore::tryWaitFor() with bounded duration
*
* \param [in] semaphore is a reference to Semaphore object for which Semaphore::tryWaitFor() will be called
*
* \return value returned by Semaphore::tryWaitFor()
*/
int operator()(Semaphore& semaphore) const override;
private:
/// bounded duration for Semaphore::tryWaitFor() call
const TickClock::duration duration_;
};
} // namespace internal
} // namespace distortos
#endif // INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_SEMAPHORETRYWAITFORFUNCTOR_HPP_
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