Daily bump.
[official-gcc.git] / gcc / alloc-pool.h
blob0c307113b479f4bd5c0206ac891f3fdc69f979a0
1 /* Functions to support a pool of allocatable objects
2 Copyright (C) 1997-2015 Free Software Foundation, Inc.
3 Contributed by Daniel Berlin <dan@cgsoftware.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
20 #ifndef ALLOC_POOL_H
21 #define ALLOC_POOL_H
23 typedef unsigned long ALLOC_POOL_ID_TYPE;
25 typedef struct alloc_pool_list_def
27 struct alloc_pool_list_def *next;
29 *alloc_pool_list;
31 typedef struct alloc_pool_def
33 const char *name;
34 #ifdef ENABLE_CHECKING
35 ALLOC_POOL_ID_TYPE id;
36 #endif
37 size_t elts_per_block;
39 /* These are the elements that have been allocated at least once and freed. */
40 alloc_pool_list returned_free_list;
42 /* These are the elements that have not yet been allocated out of
43 the last block obtained from XNEWVEC. */
44 char* virgin_free_list;
46 /* The number of elements in the virgin_free_list that can be
47 allocated before needing another block. */
48 size_t virgin_elts_remaining;
50 size_t elts_allocated;
51 size_t elts_free;
52 size_t blocks_allocated;
53 alloc_pool_list block_list;
54 size_t block_size;
55 size_t elt_size;
57 *alloc_pool;
59 extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
60 extern void free_alloc_pool (alloc_pool);
61 extern void empty_alloc_pool (alloc_pool);
62 extern void free_alloc_pool_if_empty (alloc_pool *);
63 extern void *pool_alloc (alloc_pool) ATTRIBUTE_MALLOC;
64 extern void pool_free (alloc_pool, void *);
65 extern void dump_alloc_pool_statistics (void);
66 #endif