sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c

   1 /* Copyright (C) 2001, 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 /* 64 bit Linux for S/390 only has rt signals, thus we do not even want to try
  20    falling back to the old style signals as the default Linux handler does. */
  21
  22 #include <errno.h>
  23 #include <signal.h>
  24 #include <unistd.h>
  25
  26 #include <sysdep.h>
  27 #include <sys/syscall.h>
  28
  29 /* Get and/or change the set of blocked signals.  */
  30 int
  31 __sigprocmask (how, set, oset)
  32      int how;
  33      const sigset_t *set;
  34      sigset_t *oset;
  35 {
  36
  37   /* XXX The size argument hopefully will have to be changed to the
  38      real size of the user-level sigset_t.  */
  39   return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
  40 }
  41 weak_alias (__sigprocmask, sigprocmask)