63 lines
953 B
C++
63 lines
953 B
C++
#ifndef XOP_MEMMORY_MANAGER_H
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#define XOP_MEMMORY_MANAGER_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <mutex>
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namespace xop
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{
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void* Alloc(uint32_t size);
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void Free(void *ptr);
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class MemoryPool;
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struct MemoryBlock
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{
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uint32_t block_id = 0;
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MemoryPool *pool = nullptr;
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MemoryBlock *next = nullptr;
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};
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class MemoryPool
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{
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public:
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MemoryPool();
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virtual ~MemoryPool();
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void Init(uint32_t size, uint32_t n);
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void* Alloc(uint32_t size);
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void Free(void* ptr);
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size_t BolckSize() const
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{ return block_size_; }
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//private:
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char* memory_ = nullptr;
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uint32_t block_size_ = 0;
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uint32_t num_blocks_ = 0;
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MemoryBlock* head_ = nullptr;
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std::mutex mutex_;
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};
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class MemoryManager
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{
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public:
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static MemoryManager& Instance();
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~MemoryManager();
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void* Alloc(uint32_t size);
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void Free(void* ptr);
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private:
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MemoryManager();
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static const int kMaxMemoryPool = 3;
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MemoryPool memory_pools_[kMaxMemoryPool];
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};
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}
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#endif
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