xref: /illumos-gate/usr/src/uts/common/sys/lock.h (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24  */
25 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
26 /*	  All Rights Reserved	*/
27 
28 
29 #ifndef _SYS_LOCK_H
30 #define	_SYS_LOCK_H
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * flags for locking procs and texts
38  */
39 #define	UNLOCK	 0
40 #define	PROCLOCK 1
41 #define	TXTLOCK	 2
42 #define	DATLOCK	 4
43 
44 #ifdef _KERNEL
45 
46 #define	MEMLOCK	 8
47 
48 int punlock(void);
49 
50 #else
51 
52 int plock(int);
53 
54 #endif	/* _KERNEL */
55 
56 #ifdef	__cplusplus
57 }
58 #endif
59 
60 #endif	/* _SYS_LOCK_H */
61