| /* |
| * 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_OFFSETMEMORYPOOL_H |
| #define ARM_COMPUTE_OFFSETMEMORYPOOL_H |
| |
| #include "arm_compute/runtime/IMemoryPool.h" |
| |
| #include "arm_compute/runtime/IMemoryRegion.h" |
| #include "arm_compute/runtime/Types.h" |
| |
| #include <cstddef> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class IAllocator; |
| |
| /** Offset based memory pool */ |
| class OffsetMemoryPool : public IMemoryPool |
| { |
| public: |
| /** Default Constructor |
| * |
| * @note allocator should outlive the memory pool |
| * |
| * @param[in] allocator Backing memory allocator |
| * @param[in] blob_info Configuration information of the blob to be allocated |
| */ |
| OffsetMemoryPool(IAllocator *allocator, BlobInfo blob_info); |
| /** Default Destructor */ |
| ~OffsetMemoryPool() = default; |
| /** Prevent instances of this class to be copy constructed */ |
| OffsetMemoryPool(const OffsetMemoryPool &) = delete; |
| /** Prevent instances of this class to be copy assigned */ |
| OffsetMemoryPool &operator=(const OffsetMemoryPool &) = delete; |
| /** Allow instances of this class to be move constructed */ |
| OffsetMemoryPool(OffsetMemoryPool &&) = default; |
| /** Allow instances of this class to be move assigned */ |
| OffsetMemoryPool &operator=(OffsetMemoryPool &&) = default; |
| /** Accessor to the pool internal configuration meta-data |
| * |
| * @return Pool internal configuration meta-data |
| */ |
| const BlobInfo &info() const; |
| |
| // Inherited methods overridden: |
| void acquire(MemoryMappings &handles) override; |
| void release(MemoryMappings &handles) override; |
| MappingType mapping_type() const override; |
| std::unique_ptr<IMemoryPool> duplicate() override; |
| |
| private: |
| IAllocator *_allocator; /**< Allocator to use for internal allocation */ |
| std::unique_ptr<IMemoryRegion> _blob; /**< Memory blob */ |
| BlobInfo _blob_info; /**< Information for the blob to allocate */ |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_OFFSETMEMORYPOOL_H */ |