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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "IPoolManager.hpp"
#include <arm_compute/runtime/IMemoryPool.h>
#include <arm_compute/core/Error.h>
#include <support/Mutex.h>
#include <support/Semaphore.h>
#include <cstddef>
#include <list>
#include <memory>
namespace armnn
{
class PoolManager : public IPoolManager
{
public:
PoolManager();
PoolManager(const PoolManager &) = delete;
PoolManager &operator=(const PoolManager &) = delete;
PoolManager(PoolManager &&) = default;
PoolManager &operator=(PoolManager &&) = default;
arm_compute::IMemoryPool *lock_pool() override;
void unlock_pool(arm_compute::IMemoryPool *pool) override;
void register_pool(std::unique_ptr<arm_compute::IMemoryPool> pool) override;
size_t num_pools() const override;
void AllocatePools() override;
void ReleasePools() override;
private:
/// List of free pools
std::list<std::unique_ptr<arm_compute::IMemoryPool>> m_FreePools;
/// List of occupied pools
std::list<std::unique_ptr<arm_compute::IMemoryPool>> m_OccupiedPools;
/// Semaphore to control the queues
std::unique_ptr<arm_compute::Semaphore> m_Semaphore;
/// Mutex to control access to the queues
mutable arm_compute::Mutex m_Mutex;
};
} // namespace armnn
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