godot/core/os/memory_pool_dynamic.h

80 lines
3.0 KiB
C++

/*************************************************************************/
/* memory_pool_dynamic.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 MEMORY_POOL_DYNAMIC_H
#define MEMORY_POOL_DYNAMIC_H
#include "typedefs.h"
class MemoryPoolDynamic {
static MemoryPoolDynamic* singleton;
protected:
friend class Memory;
friend class MID;
enum {
INVALID_ID=0xFFFFFFFF
};
static MemoryPoolDynamic* get_singleton();
typedef uint64_t ID;
virtual ID alloc(size_t p_amount,const char* p_description)=0;
virtual void free(ID p_id)=0;
virtual Error realloc(ID p_id, size_t p_amount)=0;
virtual bool is_valid(ID p_id)=0;
virtual size_t get_size(ID p_id) const=0;
virtual const char* get_description(ID p_id) const=0;
virtual Error lock(ID p_id)=0;
virtual void * get(ID p_ID)=0;
virtual Error unlock(ID p_id)=0;
virtual bool is_locked(ID p_id) const=0;
virtual size_t get_available_mem() const=0;
virtual size_t get_total_usage() const=0;
MemoryPoolDynamic();
public:
virtual ~MemoryPoolDynamic();
};
#endif