1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  *
  24  *                      cache.h
  25  *
  26  * Include file for the cache class.
  27  */
  28 
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30 /* Copyright (c) 1994 by Sun Microsystems, Inc. */
  31 
  32 #ifndef CFSD_CACHE
  33 #define CFSD_CACHE
  34 
  35 typedef struct cfsd_cache_object {
  36         char                     i_cachedir[MAXPATHLEN]; /* cache directory */
  37         int                      i_cacheid;              /* cache id */
  38         cfsd_fscache_object_t   *i_fscachelist;          /* list of fscaches */
  39         int                      i_fscachecount;         /* # of objs in list */
  40         mutex_t                  i_lock;                 /* synchro lock */
  41         int                      i_refcnt;               /* refs to object */
  42         int                      i_nextfscacheid;        /* for fscache ids */
  43         int                      i_modify;               /* changes when mod */
  44         struct cfsd_cache_object        *i_next;         /* next cache object */
  45 } cfsd_cache_object_t;
  46 
  47 cfsd_cache_object_t *cfsd_cache_create(void);
  48 void cfsd_cache_destroy(cfsd_cache_object_t *cache_object_p);
  49 
  50 int cache_setup(cfsd_cache_object_t *cache_object_p, const char *cachedirp,
  51     int cacheid);
  52 void cache_lock(cfsd_cache_object_t *cache_object_p);
  53 void cache_unlock(cfsd_cache_object_t *cache_object_p);
  54 
  55 cfsd_fscache_object_t *cache_fscachelist_at(cfsd_cache_object_t *cache_object_p,
  56     size_t index);
  57 void cache_fscachelist_add(cfsd_cache_object_t *cache_object_p,
  58     cfsd_fscache_object_t *fscache_object_p);
  59 cfsd_fscache_object_t *cache_fscachelist_find(
  60     cfsd_cache_object_t *cache_object_p, const char *namep);
  61 
  62 #endif /* CFSD_CACHE */