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
|
/*
* Copyright (C) 2001, Ximian Inc.
*
* Authors: Michael Zucchi <notzed@ximian.com>
* Jacob Berkman <jacob@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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
*/
#ifndef _E_MEMORY_H
#define _E_MEMORY_H
/* memchunks - allocate/free fixed-size blocks of memory */
/* this is like gmemchunk, only faster and less overhead (only 4 bytes for every atomcount allocations) */
typedef struct _EMemChunk EMemChunk;
EMemChunk *e_memchunk_new(int atomcount, int atomsize);
void *e_memchunk_alloc(EMemChunk *m);
void *e_memchunk_alloc0(EMemChunk *m);
void e_memchunk_free(EMemChunk *m, void *mem);
void e_memchunk_empty(EMemChunk *m);
void e_memchunk_clean(EMemChunk *m);
void e_memchunk_destroy(EMemChunk *m);
/* mempools - allocate variable sized blocks of memory, and free as one */
/* allocation is very fast, but cannot be freed individually */
typedef struct _EMemPool EMemPool;
typedef enum {
E_MEMPOOL_ALIGN_STRUCT = 0, /* allocate to native structure alignment */
E_MEMPOOL_ALIGN_WORD = 1, /* allocate to words - 16 bit alignment */
E_MEMPOOL_ALIGN_BYTE = 2, /* allocate to bytes - 8 bit alignment */
E_MEMPOOL_ALIGN_MASK = 3, /* which bits determine the alignment information */
} EMemPoolFlags;
|
