1 /*
2  * pools.h
3  *
4  * MathMap
5  *
6  * Copyright (C) 2002-2004 Mark Probst
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * as published by the Free Software Foundation; either version 2
11  * of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 #ifndef __POOLS_H__
24 #define __POOLS_H__
25 
26 #include <stdlib.h>
27 
28 /* these settings allow a pools to grow to up to 16 GB (last pool 8GB) */
29 #define GRANULARITY                sizeof(long)
30 #define FIRST_POOL_SIZE            ((size_t)2048)
31 #define NUM_POOLS                  20
32 
33 typedef struct
34 {
35     int active_pool;
36     size_t fill_ptr;
37     long *pools[NUM_POOLS];
38 } pools_t;
39 
40 void init_pools (pools_t *pools);
41 void reset_pools (pools_t *pools);
42 void free_pools (pools_t *pools);
43 
44 void* pools_alloc (pools_t *pools, size_t size);
45 
46 #endif
47