sysdeps/unix/sysv/linux/x86_64/timer_delete.c

   1 /* Copyright (C) 2003-2017 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 <shlib-compat.h>
  20 #include "compat-timer.h"
  21
  22
  23 #define timer_delete_alias __timer_delete_new
  24 #include <sysdeps/unix/sysv/linux/timer_delete.c>
  25
  26 #undef timer_delete
  27 versioned_symbol (librt, __timer_delete_new, timer_delete, GLIBC_2_3_3);
  28
  29
  30 #if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
  31 int
  32 __timer_delete_old (int timerid)
  33 {
  34   int res = __timer_delete_new (__compat_timer_list[timerid]);
  35
  36   if (res == 0)
  37     /* Successful timer deletion, now free the index.  We only need to
  38        store a word and that better be atomic.  */
  39     __compat_timer_list[timerid] = NULL;
  40
  41   return res;
  42 }
  43 compat_symbol (librt, __timer_delete_old, timer_delete, GLIBC_2_2);
  44 #endif