1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Geoffrey Bantle.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BLI_MEMPOOL_H
#define BLI_MEMPOOL_H
/** \file BLI_mempool.h
* \ingroup bli
* \author Geoffrey Bantle
* \brief Simple fast memory allocator.
*/
#ifdef __cplusplus
extern "C"
{
#endif
struct BLI_mempool;
struct BLI_mempool_chunk;
typedef struct BLI_mempool BLI_mempool;
/*allow_iter allows iteration on this mempool. note: this requires that the
first four bytes of the elements never contain the character string
'free'. use with care.*/
BLI_mempool *BLI_mempool_create(int esize, int tote, int pchunk,
short use_sysmalloc, short allow_iter);
void *BLI_mempool_alloc(BLI_mempool *pool);
void *BLI_mempool_calloc(BLI_mempool *pool);
void BLI_mempool_free(BLI_mempool *pool, void *addr);
void BLI_mempool_destroy(BLI_mempool *pool);
int BLI_mempool_count(BLI_mempool *pool);
void *BLI_mempool_findelem(BLI_mempool *pool, int index);
/** iteration stuff. note: this may easy to produce bugs with **/
/*private structure*/
typedef struct BLI_mempool_iter {
BLI_mempool *pool;
struct BLI_mempool_chunk *curchunk;
int curindex;
} BLI_mempool_iter;
/*allow iteration on this mempool. note: this requires that the
first four bytes of the elements never contain the character string
'free'. use with care.*/
void BLI_mempool_allow_iter(BLI_mempool *pool);
void BLI_mempool_iternew(BLI_mempool *pool, BLI_mempool_iter *iter);
void *BLI_mempool_iterstep(BLI_mempool_iter *iter);
#ifdef __cplusplus
}
#endif
#endif
|
