xref: /onnv-gate/usr/src/uts/common/syscall/time.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1994-2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	All rights reserved.	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <sys/param.h>
34*0Sstevel@tonic-gate #include <sys/types.h>
35*0Sstevel@tonic-gate #include <sys/sysmacros.h>
36*0Sstevel@tonic-gate #include <sys/systm.h>
37*0Sstevel@tonic-gate #include <sys/tuneable.h>
38*0Sstevel@tonic-gate #include <sys/errno.h>
39*0Sstevel@tonic-gate #include <sys/proc.h>
40*0Sstevel@tonic-gate #include <sys/time.h>
41*0Sstevel@tonic-gate #include <sys/debug.h>
42*0Sstevel@tonic-gate #include <sys/policy.h>
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate time_t
gtime(void)45*0Sstevel@tonic-gate gtime(void)
46*0Sstevel@tonic-gate {
47*0Sstevel@tonic-gate 	return (gethrestime_sec());
48*0Sstevel@tonic-gate }
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate int
stime(time_t time)51*0Sstevel@tonic-gate stime(time_t time)
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate 	timestruc_t ts;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if (secpolicy_settime(CRED()) != 0)
56*0Sstevel@tonic-gate 		return (set_errno(EPERM));
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	if (time < 0)
59*0Sstevel@tonic-gate 		return (set_errno(EINVAL));
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	ts.tv_sec = time;
62*0Sstevel@tonic-gate 	ts.tv_nsec = 0;
63*0Sstevel@tonic-gate 	mutex_enter(&tod_lock);
64*0Sstevel@tonic-gate 	tod_set(ts);
65*0Sstevel@tonic-gate 	set_hrestime(&ts);
66*0Sstevel@tonic-gate 	mutex_exit(&tod_lock);
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	return (0);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate #if defined(_SYSCALL32_IMPL)
72*0Sstevel@tonic-gate int
stime32(time32_t time)73*0Sstevel@tonic-gate stime32(time32_t time)
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate 	if (time < 0)
76*0Sstevel@tonic-gate 		return (set_errno(EINVAL));
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 	return (stime((time_t)time));
79*0Sstevel@tonic-gate }
80*0Sstevel@tonic-gate #endif
81