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 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 2, 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 COPYING. If not, write to 20 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 21 Boston, MA 02110-1301, USA. */ 22 #ifndef ALLOC_POOL_H 23 #define ALLOC_POOL_H 24 25 typedef unsigned long ALLOC_POOL_ID_TYPE; 26 27 typedef struct alloc_pool_list_def 28 { 29 struct alloc_pool_list_def *next; 30 } 31 *alloc_pool_list; 32 33 typedef 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 50 extern alloc_pool create_alloc_pool (const char *, size_t, size_t); 51 extern void free_alloc_pool (alloc_pool); 52 extern void free_alloc_pool_if_empty (alloc_pool *); 53 extern void *pool_alloc (alloc_pool); 54 extern void pool_free (alloc_pool, void *); 55 extern void dump_alloc_pool_statistics (void); 56 #endif 57