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/*
* Copyright (c) 2017-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_POOLMANAGER_H
#define ARM_COMPUTE_POOLMANAGER_H
#include "arm_compute/runtime/IPoolManager.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/runtime/IMemoryPool.h"
#include "support/Mutex.h"
#include "support/Semaphore.h"
#include <cstddef>
#include <list>
#include <memory>
namespace arm_compute
{
/** Memory pool manager */
class PoolManager : public IPoolManager
{
public:
/** Default Constructor */
PoolManager();
/** Prevent instances of this class to be copy constructed */
PoolManager(const PoolManager &) = delete;
/** Prevent instances of this class to be copied */
PoolManager &operator=(const PoolManager &) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
PoolManager(PoolManager &&) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
PoolManager &operator=(PoolManager &&) = delete;
// Inherited methods overridden:
IMemoryPool *lock_pool() override;
void unlock_pool(IMemoryPool *pool) override;
void register_pool(std::unique_ptr<IMemoryPool> pool) override;
std::unique_ptr<IMemoryPool> release_pool() override;
void clear_pools() override;
size_t num_pools() const override;
private:
std::list<std::unique_ptr<IMemoryPool>> _free_pools; /**< List of free pools */
std::list<std::unique_ptr<IMemoryPool>> _occupied_pools; /**< List of occupied pools */
std::unique_ptr<arm_compute::Semaphore> _sem; /**< Semaphore to control the queues */
mutable arm_compute::Mutex _mtx; /**< Mutex to control access to the queues */
};
} // arm_compute
#endif /*ARM_COMPUTE_POOLMANAGER_H */
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