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/* Functions to support a pool of allocatable objects
   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2007
   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;
  alloc_pool_list free_list;
  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 free_alloc_pool_if_empty (alloc_pool *);
extern void *pool_alloc (alloc_pool);
extern void pool_free (alloc_pool, void *);
extern void dump_alloc_pool_statistics (void);
#endif