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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_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 */
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