tvgettime.c revision 34f9b3eef6fdadbda0a846aa4d68691ac40eace5
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2009 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include <tv.h>
#include <tm.h>
#include "FEATURE/tvlib"
int
tvgettime(Tv_t* tv)
{
#if _lib_clock_gettime && defined(CLOCK_REALTIME)
struct timespec s;
clock_gettime(CLOCK_REALTIME, &s);
tv->tv_sec = s.tv_sec;
tv->tv_nsec = s.tv_nsec;
#else
#if defined(tmgettimeofday)
struct timeval v;
tmgettimeofday(&v);
tv->tv_sec = v.tv_sec;
tv->tv_nsec = v.tv_usec * 1000;
#else
static time_t s;
static uint32_t n;
if ((tv->tv_sec = time(NiL)) != s)
{
s = tv->tv_sec;
n = 0;
}
else
n += 1000;
tv->tv_nsec = n;
#endif
#endif
return 0;
}