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
18/* Written by Paul Eggert.  */
19
20#ifdef HAVE_CONFIG_H
21# include <config.h>
22#endif
23
24#include "timespec.h"
25
26/* Get the system time into *TS.  */
27
28void
29gettime (struct timespec *ts)
30{
31#if HAVE_NANOTIME
32  nanotime (ts);
33#else
34
35# if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
36  if (clock_gettime (CLOCK_REALTIME, ts) == 0)
37    return;
38# endif
39
40# if HAVE_GETTIMEOFDAY
41  {
42    struct timeval tv;
43    gettimeofday (&tv, NULL);
44    ts->tv_sec = tv.tv_sec;
45    ts->tv_nsec = tv.tv_usec * 1000;
46  }
47# else
48  ts->tv_sec = time (NULL);
49  ts->tv_nsec = 0;
50# endif
51
52#endif
53}
54