sysdeps/unix/sysv/linux/ia64/sigprocmask.c

   1 /* Copyright (C) 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Linux/IA64 specific sigprocmask
   4    Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 /* Linux/ia64 only has rt signals, thus we do not even want to try falling
  22    back to the old style signals as the default Linux handler does. */
  23
  24 #include <errno.h>
  25 #include <signal.h>
  26 #include <unistd.h>
  27
  28 #include <sysdep.h>
  29 #include <sys/syscall.h>
  30 #include <bp-checks.h>
  31
  32 /* Get and/or change the set of blocked signals.  */
  33 int
  34 __sigprocmask (how, set, oset)
  35      int how;
  36      const sigset_t *set;
  37      sigset_t *oset;
  38 {
  39
  40   /* XXX The size argument hopefully will have to be changed to the
  41      real size of the user-level sigset_t.  */
  42   return INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
  43                          CHECK_SIGSET_NULL_OK (oset), _NSIG / 8);
  44 }
  45 weak_alias (__sigprocmask, sigprocmask)