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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* File: heap.h
* Author: Shaun Wetzstein <shaun@us.ibm.com>
* Descr: Arena based (slab) memory allocator
* Note:
* Date: 07/28/10
*/
#ifndef __HEAP_H__
#define __HEAP_H__
#include <stdlib.h>
#include "slab.h"
/* ======================================================================= */
typedef struct heap heap_t;
struct heap {
size_t page_size;
size_t alloc_size;
size_t slab_size;
slab_t *slab[];
};
/* ======================================================================= */
#define heap_init(a,c) (__heap_init((h),(a),(c),__FILE__,__LINE__))
extern void __heap_init(heap_t * self, size_t alloc_size, size_t cache_size,
const char *file, int line);
#define heap_new(a,c) (__heap_new((a),(c),__FILE__,__LINE__))
extern heap_t *__heap_new(size_t alloc_size, size_t cache_size,
const char *file, int line);
#define heap_delete(h) (__heap_delete((h),__FILE__,__LINE__))
extern void __heap_delete(heap_t * self, const char *file,
int line) __nonnull((1));
#define heap_alloc(h,s) (__heap_alloc((h),(s),__FILE__,__LINE__))
extern void *__heap_alloc(heap_t * self, size_t size, const char *file,
int line) __nonnull((1));
#define heap_free(h,p) (__heap_free((h),(p),__FILE__,__LINE__))
extern void __heap_free(heap_t * self, void *ptr, const char *file,
int line) __nonnull((1, 2));
extern void heap_dump(heap_t * self, FILE * out) __nonnull((1));
/* ======================================================================= */
#endif /* __HEAP_H__ */
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