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
51int sigaction(int, const struct sigaction * restrict,
52    struct sigaction * restrict);
53int __sigaction_siginfo(int, const struct sigaction * restrict,
54    struct sigaction * restrict);
55
56int
57sigaction(int sig, const struct sigaction * restrict act,
58    struct sigaction * restrict oact)
59{
60	return __sigaction_siginfo(sig, act, oact);
61}
62
63int sigpending(sigset_t *);
64int __sigpending14(sigset_t *);
65
66int
67sigpending(sigset_t *mask)
68{
69	return __sigpending14(mask);
70}
71
72int sigprocmask(int how, const sigset_t * restrict set,
73    sigset_t * restrict oset);
74int __sigprocmask14(int how, const sigset_t * restrict set,
75    sigset_t * restrict oset);
76
77int
78sigprocmask(int how, const sigset_t * restrict set, sigset_t * restrict oset)
79{
80	return __sigprocmask14(how, set, oset);
81}
82
83int sigsuspend(const sigset_t *);
84int __sigsuspend14(const sigset_t *);
85
86int
87sigsuspend(const sigset_t *mask)
88{
89	return __sigsuspend14(mask);
90}
91