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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* 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 <errno.h>
#include "FEATURE/tvlib"
int
tvsettime(const Tv_t* tv)
{
#if _lib_clock_settime && defined(CLOCK_REALTIME)
struct timespec s;
s.tv_sec = tv->tv_sec;
s.tv_nsec = tv->tv_nsec;
return clock_settime(CLOCK_REALTIME, &s);
#else
#if defined(tmsettimeofday)
struct timeval v;
v.tv_sec = tv->tv_sec;
v.tv_usec = tv->tv_nsec / 1000;
return tmsettimeofday(&v);
#else
#if _lib_stime
static time_t s;
s = tv->tv_sec + (tv->tv_nsec != 0);
return stime(s);
#else
errno = EPERM;
return -1;
#endif
#endif
#endif
}
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