1 /* gettime -- get the system clock
2 Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
17 #include <sys/cdefs.h>
18 __RCSID("$NetBSD: gettime.c,v 1.2 2016/05/17 14:00:09 christos Exp $");
19
20
21 /* Written by Paul Eggert. */
22
23 #ifdef HAVE_CONFIG_H
24 # include <config.h>
25 #endif
26
27 #include "timespec.h"
28
29 /* Get the system time into *TS. */
30
31 void
gettime(struct timespec * ts)32 gettime (struct timespec *ts)
33 {
34 #if HAVE_NANOTIME
35 nanotime (ts);
36 #else
37
38 # if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
39 if (clock_gettime (CLOCK_REALTIME, ts) == 0)
40 return;
41 # endif
42
43 # if HAVE_GETTIMEOFDAY
44 {
45 struct timeval tv;
46 gettimeofday (&tv, NULL);
47 ts->tv_sec = tv.tv_sec;
48 ts->tv_nsec = tv.tv_usec * 1000;
49 }
50 # else
51 ts->tv_sec = time (NULL);
52 ts->tv_nsec = 0;
53 # endif
54
55 #endif
56 }
57