sysdeps/unix/sysv/linux/ntp_gettime.c

   1 /* Copyright (C) 1999-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #define ntp_gettime ntp_gettime_redirect
  19
  20 #include <sys/timex.h>
  21
  22 #undef ntp_gettime
  23
  24 #ifndef MOD_OFFSET
  25 # define modes mode
  26 #endif
  27
  28
  29 int
  30 ntp_gettime (struct ntptimeval *ntv)
  31 {
  32   struct timex tntx;
  33   int result;
  34
  35   tntx.modes = 0;
  36   result = __adjtimex (&tntx);
  37   ntv->time = tntx.time;
  38   ntv->maxerror = tntx.maxerror;
  39   ntv->esterror = tntx.esterror;
  40   return result;
  41 }