Update.
[glibc.git] / signal / sigorset.c
blob474cff3e282f04d1d7d0a576642ca2f30f26d347
1 /* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
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 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <errno.h>
20 #include <signal.h>
21 #define __need_NULL
22 #include <stddef.h>
24 /* Combine sets LEFT and RIGHT by logical OR and place result in DEST. */
25 int
26 sigorset (dest, left, right)
27 sigset_t *dest;
28 const sigset_t *left;
29 const sigset_t *right;
31 if (dest == NULL || left == NULL || right == NULL)
33 __set_errno (EINVAL);
34 return -1;
37 return __sigorset (dest, left, right);