xref: /netbsd/lib/libc/compat/gen/compat_sigsetops.c (revision 6550d01e)
1 /*	$NetBSD: compat_sigsetops.c,v 1.2 2009/01/11 02:46:25 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 1.2 2009/01/11 02:46:25 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 
68 int
69 sigemptyset(set)
70 	sigset13_t *set;
71 {
72 	*set = 0;
73 	return (0);
74 }
75 
76 int
77 sigfillset(set)
78 	sigset13_t *set;
79 {
80 	*set = ~(sigset13_t)0;
81 	return (0);
82 }
83 
84 int
85 sigaddset(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 
97 int
98 sigdelset(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 
110 int
111 sigismember(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