/* Copyright (C) 1991, 1993, 1994, 1995, 1997 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#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 ? */intsigpending (set)     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;}