sysdeps/unix/sysv/linux/sparc/sparc64/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
   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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <signal.h>
  21 #include <unistd.h>
  22
  23 #include <sysdep.h>
  24 #include <sys/syscall.h>
  25 #include <bp-checks.h>
  26
  27 /* Get and/or change the set of blocked signals.  */
  28 int
  29 __sigprocmask (how, set, oset)
  30      int how;
  31      const sigset_t *set;
  32      sigset_t *oset;
  33 {
  34   /* XXX The size argument hopefully will have to be changed to the
  35      real size of the user-level sigset_t.  */
  36   return INLINE_SYSCALL (rt_sigprocmask, 4, how, CHECK_SIGSET (set),
  37                          CHECK_SIGSET_NULL_OK (oset), _NSIG / 8);
  38 }
  39 weak_alias (__sigprocmask, sigprocmask)