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/*
* Copyright (c) 2017-2019 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_IPOOLMANAGER_H
#define ARM_COMPUTE_IPOOLMANAGER_H
#include <memory>
namespace arm_compute
{
class IMemoryPool;
/** Memory pool manager interface */
class IPoolManager
{
public:
/** Default virtual destructor */
virtual ~IPoolManager() = default;
/** Locks a pool for execution
*
* @return Locked pool that workload will be mapped on
*/
virtual IMemoryPool *lock_pool() = 0;
/** Releases memory pool
*
* @param[in] pool Memory pool to release
*/
virtual void unlock_pool(IMemoryPool *pool) = 0;
/** Register pool to be managed by the pool
*
* @note Ownership of the pools is being transferred to the pool manager
*
* @param[in] pool Pool to be managed
*/
virtual void register_pool(std::unique_ptr<IMemoryPool> pool) = 0;
/** Releases a free pool from the managed pools
*
* @return The released pool in case a free pool existed else nullptr
*/
virtual std::unique_ptr<IMemoryPool> release_pool() = 0;
/** Clears all pools managed by the pool manager
*
* @pre All pools must be unoccupied
*/
virtual void clear_pools() = 0;
/** Returns the total number of pools managed by the pool manager
*
* @return Number of managed pools
*/
virtual size_t num_pools() const = 0;
};
} // arm_compute
#endif /*ARM_COMPUTE_IPOOLMANAGER_H */
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