1 /* $NetBSD: compat_missing.c,v 1.2 2021/11/02 06:54:10 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: compat_missing.c,v 1.2 2021/11/02 06:54:10 thorpej Exp $");
34
35 /*
36 * define symbols that autoconf is supposed to find
37 * without including the standard headers
38 */
39 #define __LIBC12_SOURCE__
40 #include <signal.h>
41
42 __warn_references(sigaction,
43 "warning: reference to compatibility sigaction(); include <signal.h> to generate correct reference")
44 __warn_references(sigpending,
45 "warning: reference to compatibility sigpending(); include <signal.h> to generate correct reference")
46 __warn_references(sigprocmask,
47 "warning: reference to compatibility sigprocmask(); include <signal.h> to generate correct reference")
48 __warn_references(sigsuspend,
49 "warning: reference to compatibility sigsuspend(); include <signal.h> to generate correct reference")
50
51 int sigaction(int, const struct sigaction * restrict,
52 struct sigaction * restrict);
53 int __sigaction_siginfo(int, const struct sigaction * restrict,
54 struct sigaction * restrict);
55
56 int
sigaction(int sig,const struct sigaction * restrict act,struct sigaction * restrict oact)57 sigaction(int sig, const struct sigaction * restrict act,
58 struct sigaction * restrict oact)
59 {
60 return __sigaction_siginfo(sig, act, oact);
61 }
62
63 int sigpending(sigset_t *);
64 int __sigpending14(sigset_t *);
65
66 int
sigpending(sigset_t * mask)67 sigpending(sigset_t *mask)
68 {
69 return __sigpending14(mask);
70 }
71
72 int sigprocmask(int how, const sigset_t * restrict set,
73 sigset_t * restrict oset);
74 int __sigprocmask14(int how, const sigset_t * restrict set,
75 sigset_t * restrict oset);
76
77 int
sigprocmask(int how,const sigset_t * restrict set,sigset_t * restrict oset)78 sigprocmask(int how, const sigset_t * restrict set, sigset_t * restrict oset)
79 {
80 return __sigprocmask14(how, set, oset);
81 }
82
83 int sigsuspend(const sigset_t *);
84 int __sigsuspend14(const sigset_t *);
85
86 int
sigsuspend(const sigset_t * mask)87 sigsuspend(const sigset_t *mask)
88 {
89 return __sigsuspend14(mask);
90 }
91