/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _NBMLOCK_H
#define _NBMLOCK_H
/*
* Non-blocking mandatory locking support.
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* NBL_READWRITE is used for checking for a conflict with an exclusive lock
* (F_WRLCK) or a read-write mmap request. For checking an actual I/O
* request, use NBL_READ or NBL_WRITE.
*/
/* critical region primitives */
extern void nbl_end_crit(vnode_t *);
extern int nbl_in_crit(vnode_t *);
/* conflict checking */
extern int nbl_need_check(vnode_t *);
caller_context_t *);
caller_context_t *);
#ifdef __cplusplus
}
#endif
#endif /* _NBMLOCK_H */