text: /* Copyright (C) 1997-2016 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, see
     <http://www.gnu.org/licenses/>.  */
  
  /* Linux/x86_64 only has rt signals, thus we do not even want to try falling
     back to the old style signals as the default Linux handler does. */
  
  #include <errno.h>
  #include <signal.h>
  #include <unistd.h>
  
  #include <sysdep.h>
  #include <sys/syscall.h>
  
  /* Change the set of blocked signals to SET,
     wait until a signal arrives, and restore the set of blocked signals.  */
  int
  sigpending (sigset_t *set)
  {
    /* XXX The size argument hopefully will have to be changed to the
       real size of the user-level sigset_t.  */
    return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8);
  }
  