1 /* $OpenBSD: w_gettimeofday.c,v 1.1 2020/07/06 13:33:06 pirofti Exp $ */
2 /*
3 * Copyright (c) 2020 Robert Nagy <robert@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/timetc.h>
19
20 int
WRAP(gettimeofday)21 WRAP(gettimeofday)(struct timeval *tp, struct timezone *tzp)
22 {
23 int rc = 0;
24 struct timekeep *timekeep = _timekeep;
25 static struct timezone zerotz = { 0, 0 };
26
27 if (timekeep == NULL || timekeep->tk_user == 0)
28 return gettimeofday(tp, tzp);
29
30 if (tp)
31 rc = _microtime(tp, timekeep);
32 if (rc)
33 return gettimeofday(tp, tzp);
34
35 if (tzp)
36 *tzp = zerotz;
37
38 return 0;
39 }
40 DEF_WRAP(gettimeofday);
41