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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [alloc-pool.h] - Rev 827
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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; /* 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); extern void pool_free (alloc_pool, void *); extern void dump_alloc_pool_statistics (void); #endif
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