2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93
35 * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93
36 * $FreeBSD: src/lib/libc/gen/sigsetops.c,v 1.7 1999/10/02 19:37:14 marcel Exp $
37 * $DragonFly: src/lib/libc/gen/sigsetops.c,v 1.3 2005/11/13 00:07:42 swildner Exp $
44 sigaddset(sigset_t
*set
, int signo
)
47 if (signo
<= 0 || signo
> _SIG_MAXSIG
) {
51 set
->__bits
[_SIG_WORD(signo
)] |= _SIG_BIT(signo
);
56 sigdelset(sigset_t
*set
, int signo
)
59 if (signo
<= 0 || signo
> _SIG_MAXSIG
) {
63 set
->__bits
[_SIG_WORD(signo
)] &= ~_SIG_BIT(signo
);
68 sigemptyset(sigset_t
*set
)
72 for (i
= 0; i
< _SIG_WORDS
; i
++)
78 sigfillset(sigset_t
*set
)
82 for (i
= 0; i
< _SIG_WORDS
; i
++)
88 sigismember(const sigset_t
*set
, int signo
)
91 if (signo
<= 0 || signo
> _SIG_MAXSIG
) {
95 return ((set
->__bits
[_SIG_WORD(signo
)] & _SIG_BIT(signo
)) ? 1 : 0);