xref: /titanic_41/usr/src/uts/common/sys/lock.h (revision ea394cb00fd96864e34d2841b4a22357b621c78f)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #ifndef _SYS_LOCK_H
27 #define	_SYS_LOCK_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 11.7	*/
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * flags for locking procs and texts
37  */
38 #define	UNLOCK	 0
39 #define	PROCLOCK 1
40 #define	TXTLOCK	 2
41 #define	DATLOCK	 4
42 
43 #ifdef _KERNEL
44 
45 #define	MEMLOCK	 8
46 
47 #if defined(__STDC__)
48 int punlock(void);
49 #else
50 int punlock();
51 #endif	/* __STDC__ */
52 
53 #else
54 
55 #if defined(__STDC__)
56 int plock(int);
57 #else
58 int plock();
59 #endif	/* __STDC__ */
60 
61 #endif	/* _KERNEL */
62 
63 #ifdef	__cplusplus
64 }
65 #endif
66 
67 #endif	/* _SYS_LOCK_H */
68