xref: /netbsd-src/lib/libc/compat/gen/compat_sigsetops.c (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: compat_sigsetops.c,v 1.1 2005/09/13 01:44:09 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
37 static char sccsid[] = "@(#)sigsetops.c	8.1 (Berkeley) 6/4/93";
38 #else
39 __RCSID("$NetBSD: compat_sigsetops.c,v 1.1 2005/09/13 01:44:09 christos Exp $");
40 #endif
41 #endif /* LIBC_SCCS and not lint */
42 
43 #define	__LIBC12_SOURCE__
44 
45 #include <errno.h>
46 #include <signal.h>
47 #include <compat/include/signal.h>
48 
49 #undef sigemptyset
50 #undef sigfillset
51 #undef sigaddset
52 #undef sigdelset
53 #undef sigismember
54 
55 __warn_references(sigaddset,
56     "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference")
57 __warn_references(sigdelset,
58     "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference")
59 __warn_references(sigemptyset,
60     "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference")
61 __warn_references(sigfillset,
62     "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference")
63 __warn_references(sigismember,
64     "warning: reference to compatibility sigismember(); include <signal.h> for correct reference")
65 
66 int
67 sigemptyset(set)
68 	sigset13_t *set;
69 {
70 	*set = 0;
71 	return (0);
72 }
73 
74 int
75 sigfillset(set)
76 	sigset13_t *set;
77 {
78 	*set = ~(sigset13_t)0;
79 	return (0);
80 }
81 
82 int
83 sigaddset(set, signo)
84 	sigset13_t *set;
85 	int signo;
86 {
87 	if (signo <= 0 || signo >= NSIG13) {
88 		errno = EINVAL;
89 		return -1;
90 	}
91 	*set |= __sigmask13(signo);
92 	return (0);
93 }
94 
95 int
96 sigdelset(set, signo)
97 	sigset13_t *set;
98 	int signo;
99 {
100 	if (signo <= 0 || signo >= NSIG13) {
101 		errno = EINVAL;
102 		return -1;
103 	}
104 	*set &= ~__sigmask13(signo);
105 	return (0);
106 }
107 
108 int
109 sigismember(set, signo)
110 	const sigset13_t *set;
111 	int signo;
112 {
113 	if (signo <= 0 || signo >= NSIG13) {
114 		errno = EINVAL;
115 		return -1;
116 	}
117 	return ((*set & __sigmask13(signo)) != 0);
118 }
119