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/**
* \file
* \brief MemcpyPopQueueFunctor class header
*
* \author Copyright (C) 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_MEMCPYPOPQUEUEFUNCTOR_HPP_
#define INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_MEMCPYPOPQUEUEFUNCTOR_HPP_
#include "distortos/internal/synchronization/QueueFunctor.hpp"
#include <cstddef>
namespace distortos
{
namespace internal
{
/// MemcpyPopQueueFunctor is a functor used for popping of data from the raw queue with memecpy()
class MemcpyPopQueueFunctor : public QueueFunctor
{
public:
/**
* \brief MemcpyPopQueueFunctor's constructor
*
* \param [out] buffer is a pointer to buffer for popped element
* \param [in] size is the size of \a buffer, bytes
*/
constexpr MemcpyPopQueueFunctor(void* const buffer, const size_t size) :
buffer_{buffer},
size_{size}
{
}
/**
* \brief Copies the data from raw queue's storage (with memcpy()).
*
* \param [in,out] storage is a pointer to storage for element
*/
void operator()(void* storage) const override;
private:
/// pointer to buffer for popped element
void* const buffer_;
/// size of \a buffer_, bytes
const size_t size_;
};
} // namespace internal
} // namespace distortos
#endif // INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_MEMCPYPOPQUEUEFUNCTOR_HPP_
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