1/*	$NetBSD: compat_sigsetops.c,v 1.1.28.1 2008/11/08 21:45:37 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)sigsetops.c	8.1 (Berkeley) 6/4/93
32 */
33
34#include <sys/cdefs.h>
35#if defined(LIBC_SCCS) && !defined(lint)
36#if 0
37static char sccsid[] = "@(#)sigsetops.c	8.1 (Berkeley) 6/4/93";
38#else
39__RCSID("$NetBSD: compat_sigsetops.c,v 1.1.28.1 2008/11/08 21:45:37 christos Exp $");
40#endif
41#endif /* LIBC_SCCS and not lint */
42
43#define	__LIBC12_SOURCE__
44
45#include <errno.h>
46#include <sys/time.h>
47#include <compat/sys/time.h>
48#include <signal.h>
49#include <compat/include/signal.h>
50
51#undef sigemptyset
52#undef sigfillset
53#undef sigaddset
54#undef sigdelset
55#undef sigismember
56
57__warn_references(sigaddset,
58    "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference")
59__warn_references(sigdelset,
60    "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference")
61__warn_references(sigemptyset,
62    "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference")
63__warn_references(sigfillset,
64    "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference")
65__warn_references(sigismember,
66    "warning: reference to compatibility sigismember(); include <signal.h> for correct reference")
67
68int
69sigemptyset(set)
70	sigset13_t *set;
71{
72	*set = 0;
73	return (0);
74}
75
76int
77sigfillset(set)
78	sigset13_t *set;
79{
80	*set = ~(sigset13_t)0;
81	return (0);
82}
83
84int
85sigaddset(set, signo)
86	sigset13_t *set;
87	int signo;
88{
89	if (signo <= 0 || signo >= NSIG13) {
90		errno = EINVAL;
91		return -1;
92	}
93	*set |= __sigmask13(signo);
94	return (0);
95}
96
97int
98sigdelset(set, signo)
99	sigset13_t *set;
100	int signo;
101{
102	if (signo <= 0 || signo >= NSIG13) {
103		errno = EINVAL;
104		return -1;
105	}
106	*set &= ~__sigmask13(signo);
107	return (0);
108}
109
110int
111sigismember(set, signo)
112	const sigset13_t *set;
113	int signo;
114{
115	if (signo <= 0 || signo >= NSIG13) {
116		errno = EINVAL;
117		return -1;
118	}
119	return ((*set & __sigmask13(signo)) != 0);
120}
121