NazaraEngine/include/Nazara/Core/MemoryPool.hpp

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1.4 KiB
C++

// Copyright (C) 2021 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_MEMORYPOOL_HPP
#define NAZARA_MEMORYPOOL_HPP
#include <Nazara/Prerequisites.hpp>
#include <atomic>
#include <memory>
namespace Nz
{
class MemoryPool
{
public:
MemoryPool(unsigned int blockSize, unsigned int size = 1024, bool canGrow = true);
MemoryPool(const MemoryPool&) = delete;
MemoryPool(MemoryPool&& pool) noexcept;
~MemoryPool() = default;
void* Allocate(unsigned int size);
template<typename T> void Delete(T* ptr);
void Free(void* ptr);
inline unsigned int GetBlockSize() const;
inline unsigned int GetFreeBlocks() const;
inline unsigned int GetSize() const;
template<typename T, typename... Args> T* New(Args&&... args);
MemoryPool& operator=(const MemoryPool&) = delete;
MemoryPool& operator=(MemoryPool&& pool) noexcept;
private:
MemoryPool(MemoryPool* pool);
std::unique_ptr<void* []> m_freeList;
std::unique_ptr<UInt8[]> m_pool;
std::unique_ptr<MemoryPool> m_next;
std::atomic_uint m_freeCount;
MemoryPool* m_previous;
bool m_canGrow;
unsigned int m_blockSize;
unsigned int m_size;
};
}
#include <Nazara/Core/MemoryPool.inl>
#endif // NAZARA_MEMORYPOOL_HPP