1/* Functions to support a pool of allocatable objects
2   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004
3   Free Software Foundation, Inc.
4   Contributed by Daniel Berlin <dan@cgsoftware.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GCC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING.  If not, write to
20the Free Software Foundation, 51 Franklin Street, Fifth Floor,
21Boston, MA 02110-1301, USA.  */
22#ifndef ALLOC_POOL_H
23#define ALLOC_POOL_H
24
25typedef unsigned long ALLOC_POOL_ID_TYPE;
26
27typedef struct alloc_pool_list_def
28{
29  struct alloc_pool_list_def *next;
30}
31 *alloc_pool_list;
32
33typedef struct alloc_pool_def
34{
35  const char *name;
36#ifdef ENABLE_CHECKING
37  ALLOC_POOL_ID_TYPE id;
38#endif
39  size_t elts_per_block;
40  alloc_pool_list free_list;
41  size_t elts_allocated;
42  size_t elts_free;
43  size_t blocks_allocated;
44  alloc_pool_list block_list;
45  size_t block_size;
46  size_t elt_size;
47}
48 *alloc_pool;
49
50extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
51extern void free_alloc_pool (alloc_pool);
52extern void free_alloc_pool_if_empty (alloc_pool *);
53extern void *pool_alloc (alloc_pool);
54extern void pool_free (alloc_pool, void *);
55extern void dump_alloc_pool_statistics (void);
56#endif
57