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/*************************************************************************/
/* memory_pool_dynamic_static.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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_STATIC_H
#define MEMORY_POOL_DYNAMIC_STATIC_H
#include "os/memory_pool_dynamic.h"
#include "typedefs.h"
#include "os/thread_safe.h"
class MemoryPoolDynamicStatic : public MemoryPoolDynamic {
_THREAD_SAFE_CLASS_
enum {
MAX_CHUNKS=65536
};
struct Chunk {
uint64_t lock;
uint64_t check;
void *mem;
size_t size;
const char *descr;
Chunk() { mem=NULL; lock=0; check=0; }
};
Chunk chunk[MAX_CHUNKS];
uint64_t last_check;
int last_alloc;
size_t total_usage;
size_t max_usage;
Chunk *get_chunk(ID p_id);
const Chunk *get_chunk(ID p_id) const;
public:
virtual ID alloc(size_t p_amount,const char* p_description);
virtual void free(ID p_id);
virtual Error realloc(ID p_id, size_t p_amount);
virtual bool is_valid(ID p_id);
virtual size_t get_size(ID p_id) const;
virtual const char* get_description(ID p_id) const;
virtual bool is_locked(ID p_id) const;
virtual Error lock(ID p_id);
virtual void * get(ID p_ID);
virtual Error unlock(ID p_id);
virtual size_t get_available_mem() const;
virtual size_t get_total_usage() const;
MemoryPoolDynamicStatic();
virtual ~MemoryPoolDynamicStatic();
};
#endif
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