1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #pragma prototyped 23 24 #include <tv.h> 25 #include <tm.h> 26 27 #include "FEATURE/tvlib" 28 29 int 30 tvgettime(Tv_t* tv) 31 { 32 33 #if _lib_clock_gettime && defined(CLOCK_REALTIME) 34 35 struct timespec s; 36 37 clock_gettime(CLOCK_REALTIME, &s); 38 tv->tv_sec = s.tv_sec; 39 tv->tv_nsec = s.tv_nsec; 40 41 #else 42 43 #if defined(tmgettimeofday) 44 45 struct timeval v; 46 47 tmgettimeofday(&v); 48 tv->tv_sec = v.tv_sec; 49 tv->tv_nsec = v.tv_usec * 1000; 50 51 #else 52 53 static time_t s; 54 static uint32_t n; 55 56 if ((tv->tv_sec = time(NiL)) != s) 57 { 58 s = tv->tv_sec; 59 n = 0; 60 } 61 else 62 n += 1000; 63 tv->tv_nsec = n; 64 65 #endif 66 67 #endif 68 69 return 0; 70 } 71