1/* gettime -- get the system clock
2
3 Copyright (C) 2002, 2004-2007, 2009-2019 Free Software Foundation, Inc.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17
18/* Written by Paul Eggert. */
19
20#include <config.h>
21
22#include "timespec.h"
23
24#include <sys/time.h>
25
26/* Get the system time into *TS. */
27
28void
29gettime (struct timespec *ts)
30{
31#if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
32 clock_gettime (CLOCK_REALTIME, ts);
33#else
34 struct timeval tv;
35 gettimeofday (&tv, NULL);
36 ts->tv_sec = tv.tv_sec;
37 ts->tv_nsec = tv.tv_usec * 1000;
38#endif
39}
40
41/* Return the current system time as a struct timespec. */
42
43struct timespec
44current_timespec (void)
45{
46 struct timespec ts;
47 gettime (&ts);
48 return ts;
49}
50