xref: /titanic_52/usr/src/uts/common/sys/lock.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
 * or http://www.opensolaris.org/os/licensing.
 * 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 (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


#ifndef _SYS_LOCK_H
#define	_SYS_LOCK_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 11.7	*/

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * flags for locking procs and texts
 */
#define	UNLOCK	 0
#define	PROCLOCK 1
#define	TXTLOCK	 2
#define	DATLOCK	 4

#ifdef _KERNEL

#define	MEMLOCK	 8

#if defined(__STDC__)
int punlock(void);
#else
int punlock();
#endif	/* __STDC__ */

#else

#if defined(__STDC__)
int plock(int);
#else
int plock();
#endif	/* __STDC__ */

#endif	/* _KERNEL */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_LOCK_H */