summaryrefslogtreecommitdiff
path: root/libc/signal/sigorset.c
blob: 876983403bb80c2d6119b7e7e5f1d5d07820857c (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
/* Copyright (C) 1991, 1996, 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <signal.h>
#define __need_NULL
#include <stddef.h>

/* Combine sets LEFT and RIGHT by logical OR and place result in DEST.  */
int
sigorset (dest, left, right)
     sigset_t *dest;
     const sigset_t *left;
     const sigset_t *right;
{
  if (dest == NULL || left == NULL || right == NULL)
    {
      __set_errno (EINVAL);
      return -1;
    }

  return __sigorset (dest, left, right);
}