summaryrefslogtreecommitdiff
path: root/sysdeps/mach/hurd/sigpending.c
blob: ea41ddc4279596950602a06da00d08ab29b4ca40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/* 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;
}