nptl/sysdeps/unix/sysv/linux/timer_gettime.c

   1 /* Copyright (C) 2003-2014 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 <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <stdlib.h>
  21 #include <time.h>
  22 #include <sysdep.h>
  23 #include <kernel-features.h>
  24 #include "kernel-posix-timers.h"
  25
  26
  27 #ifdef timer_gettime_alias
  28 # define timer_gettime timer_gettime_alias
  29 #endif
  30
  31
  32 int
  33 timer_gettime (timerid, value)
  34      timer_t timerid;
  35      struct itimerspec *value;
  36 {
  37 #undef timer_gettime
  38   struct timer *kt = (struct timer *) timerid;
  39
  40   /* Delete the kernel timer object.  */
  41   int res = INLINE_SYSCALL (timer_gettime, 2, kt->ktimerid, value);
  42
  43   return res;
  44 }