Mercurial > hg > CbC > CbC_gcc

comparison gcc/alloc-pool.h @ 0:a06113de4d67

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 77e2b8dfacca
comparison
equal deleted inserted replaced
-1:000000000000 0:a06113de4d67
1 /* Functions to support a pool of allocatable objects
2 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2007
3 Free Software Foundation, Inc.
4 Contributed by Daniel Berlin <dan@cgsoftware.com>
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12
13 GCC 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 GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
21 #ifndef ALLOC_POOL_H
22 #define ALLOC_POOL_H
23
24 typedef unsigned long ALLOC_POOL_ID_TYPE;
25
26 typedef struct alloc_pool_list_def
27 {
28 struct alloc_pool_list_def *next;
29 }
30 *alloc_pool_list;
31
32 typedef struct alloc_pool_def
33 {
34 const char *name;
35 #ifdef ENABLE_CHECKING
36 ALLOC_POOL_ID_TYPE id;
37 #endif
38 size_t elts_per_block;
39
40 /* These are the elements that have been allocated at least once and freed. */
41 alloc_pool_list returned_free_list;
42
43 /* These are the elements that have not yet been allocated out of
44 the last block obtained from XNEWVEC. */
45 char* virgin_free_list;
46
47 /* The number of elements in the virgin_free_list that can be
48 allocated before needing another block. */
49 size_t virgin_elts_remaining;
50
51 size_t elts_allocated;
52 size_t elts_free;
53 size_t blocks_allocated;
54 alloc_pool_list block_list;
55 size_t block_size;
56 size_t elt_size;
57 }
58 *alloc_pool;
59
60 extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
61 extern void free_alloc_pool (alloc_pool);
62 extern void empty_alloc_pool (alloc_pool);
63 extern void free_alloc_pool_if_empty (alloc_pool *);
64 extern void *pool_alloc (alloc_pool);
65 extern void pool_free (alloc_pool, void *);
66 extern void dump_alloc_pool_statistics (void);
67 #endif