| /* |
| * 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_ILIFETIMEMANAGER_H |
| #define ARM_COMPUTE_ILIFETIMEMANAGER_H |
| |
| #include "arm_compute/runtime/IMemoryPool.h" |
| #include "arm_compute/runtime/Types.h" |
| |
| #include <cstddef> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| // Forward declarations |
| class IAllocator; |
| class IMemory; |
| class IMemoryGroup; |
| |
| /** Interface for managing the lifetime of objects */ |
| class ILifetimeManager |
| { |
| public: |
| /** Virtual Destructor */ |
| virtual ~ILifetimeManager() = default; |
| /** Registers a group to the lifetime manager and assigns a group id |
| * |
| * @param[in] group The group id of the group |
| */ |
| virtual void register_group(IMemoryGroup *group) = 0; |
| /** Unbound and release elements associated with a group |
| * |
| * @param[in] group Group to unbound its elements |
| * |
| * @return True if group was registered and released else false. |
| */ |
| virtual bool release_group(IMemoryGroup *group) = 0; |
| /** Registers and starts lifetime of an object |
| * |
| * @param[in] obj Object to register |
| */ |
| virtual void start_lifetime(void *obj) = 0; |
| /** Ends lifetime of an object |
| * |
| * @param[in] obj Object |
| * @param[in] obj_memory Object memory |
| * @param[in] size Size of the given object at given time |
| * @param[in] alignment Alignment requirements for the object |
| */ |
| virtual void end_lifetime(void *obj, IMemory &obj_memory, size_t size, size_t alignment) = 0; |
| /** Checks if the lifetime of the registered object is complete |
| * |
| * @return True if all object lifetimes are finalized else false. |
| */ |
| virtual bool are_all_finalized() const = 0; |
| /** Creates a memory pool depending on the memory requirements |
| * |
| * @param allocator Allocator to use |
| * |
| * @return A memory pool |
| */ |
| virtual std::unique_ptr<IMemoryPool> create_pool(IAllocator *allocator) = 0; |
| /** Returns the type of mappings that the lifetime manager returns |
| * |
| * @return Mapping type of the lifetime manager |
| */ |
| virtual MappingType mapping_type() const = 0; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_ILIFETIMEMANAGER_H */ |