virtualx-engine/core/os/memory_pool_static.h

/*************************************************************************/
/*  memory_pool_static.h                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#ifndef MEMORY_POOL_STATIC_H
#define MEMORY_POOL_STATIC_H

#include <stddef.h>

#include "core/typedefs.h"

/**
	@author Juan Linietsky <red@lunatea>
*/
class MemoryPoolStatic {
private:

	static MemoryPoolStatic *singleton;

public:

	static MemoryPoolStatic *get_singleton();

	virtual void* alloc(size_t p_bytes,const char *p_description)=0; ///< Pointer in p_description shold be to a const char const like "hello"
	virtual void* realloc(void * p_memory,size_t p_bytes)=0; ///< Pointer in p_description shold be to a const char const like "hello"
	virtual void free(void *p_ptr)=0; ///< Pointer in p_description shold be to a const char const

	virtual size_t get_available_mem() const=0;
	virtual size_t get_total_usage()=0;
	virtual size_t get_max_usage()=0;

	/* Most likely available only if memory debugger was compiled in */
	virtual int get_alloc_count()=0;
	virtual void * get_alloc_ptr(int p_alloc_idx)=0;
	virtual const char* get_alloc_description(int p_alloc_idx)=0;
	virtual size_t get_alloc_size(int p_alloc_idx)=0;

	virtual void dump_mem_to_file(const char* p_file)=0;

	MemoryPoolStatic();
	virtual ~MemoryPoolStatic();

};

#endif