xref: /titanic_41/usr/src/uts/common/syscall/umask.c (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
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 #ident	"%Z%%M%	%I%	%E% SMI"	/* from SVr4.0 1.78 */
27 
28 #include <sys/param.h>
29 #include <sys/types.h>
30 #include <sys/sysmacros.h>
31 #include <sys/systm.h>
32 #include <sys/user.h>
33 #include <sys/errno.h>
34 #include <sys/vnode.h>
35 #include <sys/debug.h>
36 
37 /*
38  * Mode mask for creation of files.
39  */
40 
41 int
42 umask(int mask)
43 {
44 	register mode_t t;
45 
46 	t = u.u_cmask;
47 	u.u_cmask =  (mode_t)(mask & PERMMASK);
48 	return ((int)t);
49 }
50