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 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include <sys/time.h>
37 #include <stdio.h>
38 #include <unistd.h>
39 #include <errno.h>
40 #include <sys/syscall.h>
41 #include "libc.h"
42
43 /*
44 * Get the time of day information.
45 * BSD compatibility on top of SVr4 facilities:
46 * u_sec always zero, and don't do anything with timezone pointer.
47 */
48
49 /*
50 * This is defined in sys/gettimeofday.s
51 * This extern cannot be in libc.h due to name conflict with port/gen/synonyms.h
52 */
53 extern int _gettimeofday(struct timeval *);
54
55 /*ARGSUSED*/
56 int
gettimeofday(struct timeval * tp,void * tzp)57 gettimeofday(struct timeval *tp, void *tzp)
58 {
59 if (tp == NULL)
60 return (0);
61
62 return (_gettimeofday(tp));
63 }
64
65 /*
66 * Set the time.
67 * Don't do anything with the timezone information.
68 */
69
70 /*ARGSUSED*/
71 int
settimeofday(struct timeval * tp,void * tzp)72 settimeofday(struct timeval *tp, void *tzp)
73 {
74 time_t t; /* time in seconds */
75
76 if (tp == NULL)
77 return (0);
78
79 t = (time_t) tp->tv_sec;
80 if (tp->tv_usec >= 500000)
81 /* round up */
82 t++;
83
84 return (stime(&t));
85 }
86