| /* Functions to support a pool of allocatable objects |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| Contributed by Daniel Berlin <dan@cgsoftware.com> |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC 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 GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| #ifndef ALLOC_POOL_H |
| #define ALLOC_POOL_H |
| |
| typedef unsigned long ALLOC_POOL_ID_TYPE; |
| |
| typedef struct alloc_pool_list_def |
| { |
| struct alloc_pool_list_def *next; |
| } |
| *alloc_pool_list; |
| |
| typedef struct alloc_pool_def |
| { |
| const char *name; |
| #ifdef ENABLE_CHECKING |
| ALLOC_POOL_ID_TYPE id; |
| #endif |
| size_t elts_per_block; |
| |
| /* These are the elements that have been allocated at least once and freed. */ |
| alloc_pool_list returned_free_list; |
| |
| /* These are the elements that have not yet been allocated out of |
| the last block obtained from XNEWVEC. */ |
| char* virgin_free_list; |
| |
| /* The number of elements in the virgin_free_list that can be |
| allocated before needing another block. */ |
| size_t virgin_elts_remaining; |
| |
| size_t elts_allocated; |
| size_t elts_free; |
| size_t blocks_allocated; |
| alloc_pool_list block_list; |
| size_t block_size; |
| size_t elt_size; |
| } |
| *alloc_pool; |
| |
| extern alloc_pool create_alloc_pool (const char *, size_t, size_t); |
| extern void free_alloc_pool (alloc_pool); |
| extern void empty_alloc_pool (alloc_pool); |
| extern void free_alloc_pool_if_empty (alloc_pool *); |
| extern void *pool_alloc (alloc_pool) ATTRIBUTE_MALLOC; |
| extern void pool_free (alloc_pool, void *); |
| extern void dump_alloc_pool_statistics (void); |
| #endif |