root/maint/gnulib/lib/gettime.c

/* */

DEFINITIONS

1. gettime
2. current_timespec

   1 /* gettime -- get the system clock
   2 
   3    Copyright (C) 2002, 2004-2007, 2009-2021 Free Software Foundation, Inc.
   4 
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 3 of the
   8    License, or (at your option) any later version.
   9 
  10    This file 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 Lesser General Public License for more details.
  14 
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program.  If not, see <https://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 defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
  32   clock_gettime (CLOCK_REALTIME, ts);
  33 #else
  34   struct timeval tv;
  35   gettimeofday (&tv, NULL);
  36   ts->tv_sec = tv.tv_sec;
  37   ts->tv_nsec = tv.tv_usec * 1000;
  38 #endif
  39 }
  40 
  41 /* Return the current system time as a struct timespec.  */
  42 
  43 struct timespec
  44 current_timespec (void)
     /*  */
  45 {
  46   struct timespec ts;
  47   gettime (&ts);
  48   return ts;
  49 }

/* */