1 /* gettime -- get the system clock 2 Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 17 #include <sys/cdefs.h> 18 __RCSID("$NetBSD: gettime.c,v 1.2 2016/05/17 14:00:09 christos Exp $"); 19 20 21 /* Written by Paul Eggert. */ 22 23 #ifdef HAVE_CONFIG_H 24 # include <config.h> 25 #endif 26 27 #include "timespec.h" 28 29 /* Get the system time into *TS. */ 30 31 void 32 gettime (struct timespec *ts) 33 { 34 #if HAVE_NANOTIME 35 nanotime (ts); 36 #else 37 38 # if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME 39 if (clock_gettime (CLOCK_REALTIME, ts) == 0) 40 return; 41 # endif 42 43 # if HAVE_GETTIMEOFDAY 44 { 45 struct timeval tv; 46 gettimeofday (&tv, NULL); 47 ts->tv_sec = tv.tv_sec; 48 ts->tv_nsec = tv.tv_usec * 1000; 49 } 50 # else 51 ts->tv_sec = time (NULL); 52 ts->tv_nsec = 0; 53 # endif 54 55 #endif 56 } 57