1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #pragma prototyped 23*4887Schin 24*4887Schin #include <tv.h> 25*4887Schin #include <tm.h> 26*4887Schin #include <errno.h> 27*4887Schin 28*4887Schin #include "FEATURE/tvlib" 29*4887Schin 30*4887Schin int 31*4887Schin tvsettime(const Tv_t* tv) 32*4887Schin { 33*4887Schin 34*4887Schin #if _lib_clock_settime && defined(CLOCK_REALTIME) 35*4887Schin 36*4887Schin struct timespec s; 37*4887Schin 38*4887Schin s.tv_sec = tv->tv_sec; 39*4887Schin s.tv_nsec = tv->tv_nsec; 40*4887Schin return clock_settime(CLOCK_REALTIME, &s); 41*4887Schin 42*4887Schin #else 43*4887Schin 44*4887Schin #if defined(tmsettimeofday) 45*4887Schin 46*4887Schin struct timeval v; 47*4887Schin 48*4887Schin v.tv_sec = tv->tv_sec; 49*4887Schin v.tv_usec = tv->tv_nsec / 1000; 50*4887Schin return tmsettimeofday(&v); 51*4887Schin 52*4887Schin #else 53*4887Schin 54*4887Schin #if _lib_stime 55*4887Schin 56*4887Schin static time_t s; 57*4887Schin 58*4887Schin s = tv->tv_sec + (tv->tv_nsec != 0); 59*4887Schin return stime(s); 60*4887Schin 61*4887Schin #else 62*4887Schin 63*4887Schin errno = EPERM; 64*4887Schin return -1; 65*4887Schin 66*4887Schin #endif 67*4887Schin 68*4887Schin #endif 69*4887Schin 70*4887Schin #endif 71*4887Schin 72*4887Schin } 73