1 /* gettime -- get the system clock 2 3 Copyright (C) 2002, 2004-2007, 2009-2013 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 3 of the License, or 8 (at your option) 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, see <http://www.gnu.org/licenses/>. */ 17 18 /* Written by Paul Eggert. */ 19 20 #include <config.h> 21 22 #include "timespec.h" 23 24 #include <sys/time.h> 25 26 /* Get the system time into *TS. */ 27 28 void 29 gettime (struct timespec *ts) 30 { 31 #if HAVE_NANOTIME 32 nanotime (ts); 33 #else 34 35 # if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME 36 if (clock_gettime (CLOCK_REALTIME, ts) == 0) 37 return; 38 # endif 39 40 { 41 struct timeval tv; 42 gettimeofday (&tv, NULL); 43 ts->tv_sec = tv.tv_sec; 44 ts->tv_nsec = tv.tv_usec * 1000; 45 } 46 47 #endif 48 } 49