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/* gettime -- get the system clock
Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Paul Eggert. */
#include <config.h>
#include "timespec.h"
/* Get the system time into *TS. */
void
gettime (struct timespec *ts)
{
#if HAVE_NANOTIME
nanotime (ts);
#else
# if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
if (clock_gettime (CLOCK_REALTIME, ts) == 0)
return;
# endif
# if HAVE_GETTIMEOFDAY
{
struct timeval tv;
gettimeofday (&tv, NULL);
ts->tv_sec = tv.tv_sec;
ts->tv_nsec = tv.tv_usec * 1000;
}
# else
# ifndef OK_TO_USE_1S_CLOCK
# error "Only 1-second nominal clock resolution found. Is that intended?" \
"If so, compile with the -DOK_TO_USE_1S_CLOCK option."
# endif
ts->tv_sec = time (NULL);
ts->tv_nsec = 0;
# endif
#endif
}
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