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

   1 /* Copyright (C) 2001-2016 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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 /* 64 bit Linux for S/390 only has rt signals, thus we do not even want to try
  19    falling back to the old style signals as the default Linux handler does. */
  20
  21 #include <errno.h>
  22 #include <signal.h>
  23 #include <unistd.h>
  24
  25 #include <sysdep.h>
  26 #include <sys/syscall.h>
  27
  28 /* Get and/or change the set of blocked signals.  */
  29 int
  30 __sigprocmask (int how, const sigset_t *set, sigset_t *oset)
  31 {
  32
  33   /* XXX The size argument hopefully will have to be changed to the
  34      real size of the user-level sigset_t.  */
  35   return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
  36 }
  37 weak_alias (__sigprocmask, sigprocmask)