1 /* 2 * Copyright (c) 2017-2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_POOLMANAGER_H 25 #define ARM_COMPUTE_POOLMANAGER_H 26 27 #include "arm_compute/runtime/IPoolManager.h" 28 29 #include "arm_compute/core/Error.h" 30 #include "arm_compute/runtime/IMemoryPool.h" 31 #include "support/Mutex.h" 32 #include "support/Semaphore.h" 33 34 #include <cstddef> 35 #include <list> 36 #include <memory> 37 38 namespace arm_compute 39 { 40 /** Memory pool manager */ 41 class PoolManager : public IPoolManager 42 { 43 public: 44 /** Default Constructor */ 45 PoolManager(); 46 /** Prevent instances of this class to be copy constructed */ 47 PoolManager(const PoolManager &) = delete; 48 /** Prevent instances of this class to be copied */ 49 PoolManager &operator=(const PoolManager &) = delete; 50 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 51 PoolManager(PoolManager &&) = delete; 52 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 53 PoolManager &operator=(PoolManager &&) = delete; 54 55 // Inherited methods overridden: 56 IMemoryPool *lock_pool() override; 57 void unlock_pool(IMemoryPool *pool) override; 58 void register_pool(std::unique_ptr<IMemoryPool> pool) override; 59 std::unique_ptr<IMemoryPool> release_pool() override; 60 void clear_pools() override; 61 size_t num_pools() const override; 62 63 private: 64 std::list<std::unique_ptr<IMemoryPool>> _free_pools; /**< List of free pools */ 65 std::list<std::unique_ptr<IMemoryPool>> _occupied_pools; /**< List of occupied pools */ 66 std::unique_ptr<arm_compute::Semaphore> _sem; /**< Semaphore to control the queues */ 67 mutable arm_compute::Mutex _mtx; /**< Mutex to control access to the queues */ 68 }; 69 } // arm_compute 70 #endif /*ARM_COMPUTE_POOLMANAGER_H */ 71