1 /* Copyright (C) 1991-2021 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    <https://www.gnu.org/licenses/>.  */
17 
18 #include <errno.h>
19 #include <stddef.h>
20 #include <hurd.h>
21 #include <hurd/signal.h>
22 
23 
24 /* Store in SET all signals that are blocked and pending.  */
25 /* XXX should be __sigpending ? */
26 int
sigpending(sigset_t * set)27 sigpending (sigset_t *set)
28 {
29   struct hurd_sigstate *ss;
30   sigset_t pending;
31 
32   if (set == NULL)
33     {
34       errno = EINVAL;
35       return -1;
36     }
37 
38   ss = _hurd_self_sigstate ();
39   _hurd_sigstate_lock (ss);
40   pending = _hurd_sigstate_pending (ss);
41   _hurd_sigstate_unlock (ss);
42 
43   *set = pending;
44   return 0;
45 }
46