1/* gettime -- get the system clock 2 3 Copyright (C) 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19/* Written by Paul Eggert. */ 20 21#include <config.h> 22 23#include "timespec.h" 24 25#include <sys/time.h> 26 27/* Get the system time into *TS. */ 28 29void 30gettime (struct timespec *ts) 31{ 32#if HAVE_NANOTIME 33 nanotime (ts); 34#else 35 36# if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME 37 if (clock_gettime (CLOCK_REALTIME, ts) == 0) 38 return; 39# endif 40 41 { 42 struct timeval tv; 43 gettimeofday (&tv, NULL); 44 ts->tv_sec = tv.tv_sec; 45 ts->tv_nsec = tv.tv_usec * 1000; 46 } 47 48#endif 49} 50