sysdeps/unix/sysv/linux/timer_getoverr.c

   1 /* Copyright (C) 2003-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If
  17    not, see <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <time.h>
  21 #include <sysdep.h>
  22 #include "kernel-posix-timers.h"
  23
  24
  25 #ifdef timer_getoverrun_alias
  26 # define timer_getoverrun timer_getoverrun_alias
  27 #endif
  28
  29
  30 int
  31 timer_getoverrun (timer_t timerid)
  32 {
  33 #undef timer_getoverrun
  34   struct timer *kt = (struct timer *) timerid;
  35
  36   /* Get the information from the kernel.  */
  37   int res = INLINE_SYSCALL (timer_getoverrun, 1, kt->ktimerid);
  38
  39   return res;
  40 }