mapped_cache.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef __MAPPED_CACHE_H
#define __MAPPED_CACHE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include "cache.h"
#define SECTION_UADDR 0 /* cache manager's uaddr */
#define NUM_SECTIONS 3
struct CacheSection {
int count;
int offset;
int length;
};
struct CacheHeader {
int version;
int valid;
int map_size;
int data_size;
};
struct BindingEntry {
char *base;
int offset;
int length;
int min_rank;
int optimal_rank;
int levels;
char **broken_name;
int binding_len;
void *binding;
};
struct ActiveEntry {
char *base;
int offset;
int length;
int active_len;
void *active;
};
int discardOldCache = 0);
~NisMappedCache();
void print();
int nextStale();
int updateUaddr(char *uaddr);
char *getUaddr();
void markUp();
void markDown();
int checkUp();
int up;
int serverMode;
char *mapBase;
int mapSize;
int sem_writer;
int checkUID();
int createSemaphores();
int getSemaphores();
int mapCache(int discardOldCache);
int mapCache();
void unmapCache();
int createCache();
int align(int n);
int updatePublicCache();
int lockExclusive();
void unlockExclusive();
int lockShared();
void unlockShared();
};
#ifdef __cplusplus
}
#endif
#endif /* __MAPPED_CACHE_H */