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/* sigpending.c - Generic sigpending implementation.
Copyright (C) 2008 Free Software Foundation, Inc.
Written by Neal H. Walfield <neal@gnu.org>.
This file is part of the GNU Hurd.
The GNU Hurd 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 3 of
the License, or (at your option) any later version.
The GNU Hurd 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 this program. If not, see
<http://www.gnu.org/licenses/>. */
#include <sig-internal.h>
#include <pt-internal.h>
int
sigpending (sigset_t *set)
{
struct signal_state *ss = &_pthread_self ()->ss;
pthread_mutex_lock (&ss->lock);
/* There is no need to lock SIG_LOCK for process_pending since we
just read it, which is atomic. */
*set = (ss->pending | process_pending) & ss->blocked;
pthread_mutex_unlock (&ss->lock);
return 0;
}
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