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51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* cache.h general cache manager
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: cache.h,v 1.2 2003/07/21 23:06:47 chikama Exp $ */
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#ifndef __CASHE__
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#define __CASHE__
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#include "portab.h"
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/* cache controlr infomartion */
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struct _cacheinfo {
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int key; /* key of data */
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int size; /* data size */
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struct _cacheinfo *next; /* next data */
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int *in_use; /* if *in_use is nonzero, dont remove from cache */
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void *data; /* real data */
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};
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typedef struct _cacheinfo cacheinfo;
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/* cache handler */
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struct _cacher {
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void (*free_)(void *); /* free data callback */
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struct _cacheinfo *top; /* pointer to data */
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};
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typedef struct _cacher cacher;
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extern cacher *cache_new(void *delcallback);
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extern void cache_insert(cacher *id, int key, void *data, int size, int *in_use);
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extern void *cache_foreach(cacher *id, int key);
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#endif /* !__CASHE__ */
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