/* Copyright (C) 1991-2018 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/>.  */

#include <errno.h>

#include <stddef.h>

#include <hurd.h>

#include <hurd/signal.h>

/* Store in SET all signals that are blocked and pending.  */

/* XXX should be __sigpending ? */

int

sigpending (sigset_t *set)

{

  struct hurd_sigstate *ss;

  sigset_t pending;

  if (set == NULL)

    {

      errno = EINVAL;

      return -1;

    }

  ss = _hurd_self_sigstate ();

  __spin_lock (&ss->lock);

  pending = ss->pending;

  __spin_unlock (&ss->lock);

  *set = pending;

  return 0;

}