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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_ISIMPLELIFETIMEMANAGER_H
#define ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H
#include "arm_compute/runtime/ILifetimeManager.h"
#include "arm_compute/runtime/IMemoryPool.h"
#include "arm_compute/runtime/Types.h"
#include <cstddef>
#include <list>
#include <map>
#include <set>
#include <vector>
namespace arm_compute
{
class IAllocator;
class IMemoryGroup;
/** Abstract class of the simple lifetime manager interface */
class ISimpleLifetimeManager : public ILifetimeManager
{
public:
/** Constructor */
ISimpleLifetimeManager();
/** Prevent instances of this class to be copy constructed */
ISimpleLifetimeManager(const ISimpleLifetimeManager &) = delete;
/** Prevent instances of this class to be copied */
ISimpleLifetimeManager &operator=(const ISimpleLifetimeManager &) = delete;
/** Allow instances of this class to be move constructed */
ISimpleLifetimeManager(ISimpleLifetimeManager &&) = default;
/** Allow instances of this class to be moved */
ISimpleLifetimeManager &operator=(ISimpleLifetimeManager &&) = default;
// Inherited methods overridden:
void register_group(IMemoryGroup *group) override;
bool release_group(IMemoryGroup *group) override;
void start_lifetime(void *obj) override;
void end_lifetime(void *obj, IMemory &obj_memory, size_t size, size_t alignment) override;
bool are_all_finalized() const override;
protected:
/** Update blobs and mappings */
virtual void update_blobs_and_mappings() = 0;
protected:
/** Element struct */
struct Element
{
Element(void *id_ = nullptr, IMemory *handle_ = nullptr, size_t size_ = 0, size_t alignment_ = 0, bool status_ = false)
: id(id_), handle(handle_), size(size_), alignment(alignment_), status(status_)
{
}
void *id; /**< Element id */
IMemory *handle; /**< Element's memory handle */
size_t size; /**< Element's size */
size_t alignment; /**< Alignment requirement */
bool status; /**< Lifetime status */
};
/** Blob struct */
struct Blob
{
void *id;
size_t max_size;
size_t max_alignment;
std::set<void *> bound_elements;
};
IMemoryGroup *_active_group; /**< Active group */
std::map<void *, Element> _active_elements; /**< A map that contains the active elements */
std::list<Blob> _free_blobs; /**< Free blobs */
std::list<Blob> _occupied_blobs; /**< Occupied blobs */
std::map<IMemoryGroup *, std::map<void *, Element>> _finalized_groups; /**< A map that contains the finalized groups */
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_ISIMPLELIFETIMEMANAGER_H */
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