68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* Functions to support a pool of allocatable objects
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2007
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Free Software Foundation, Inc.
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Contributed by Daniel Berlin <dan@cgsoftware.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef ALLOC_POOL_H
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#define ALLOC_POOL_H
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typedef unsigned long ALLOC_POOL_ID_TYPE;
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typedef struct alloc_pool_list_def
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{
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struct alloc_pool_list_def *next;
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}
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*alloc_pool_list;
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typedef struct alloc_pool_def
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{
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const char *name;
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#ifdef ENABLE_CHECKING
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ALLOC_POOL_ID_TYPE id;
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#endif
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size_t elts_per_block;
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/* These are the elements that have been allocated at least once and freed. */
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alloc_pool_list returned_free_list;
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/* These are the elements that have not yet been allocated out of
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the last block obtained from XNEWVEC. */
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char* virgin_free_list;
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/* The number of elements in the virgin_free_list that can be
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allocated before needing another block. */
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size_t virgin_elts_remaining;
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size_t elts_allocated;
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size_t elts_free;
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size_t blocks_allocated;
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alloc_pool_list block_list;
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size_t block_size;
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size_t elt_size;
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}
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*alloc_pool;
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extern alloc_pool create_alloc_pool (const char *, size_t, size_t);
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extern void free_alloc_pool (alloc_pool);
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extern void free_alloc_pool_if_empty (alloc_pool *);
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extern void *pool_alloc (alloc_pool);
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extern void pool_free (alloc_pool, void *);
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extern void dump_alloc_pool_statistics (void);
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#endif
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