1 /*	$NetBSD: __sigaction14_sigtramp.c,v 1.11 2014/05/14 06:38:09 uebayasi Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
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 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: __sigaction14_sigtramp.c,v 1.11 2014/05/14 06:38:09 uebayasi Exp $");
35 #endif /* LIBC_SCCS and not lint */
36 
37 #include <sys/types.h>
38 #include <stddef.h>
39 #include <signal.h>
40 #include <errno.h>
41 
42 #include "extern.h"
43 
__weak_alias(__sigaction14,__libc_sigaction14)44 __weak_alias(__sigaction14, __libc_sigaction14)
45 
46 int
47 __libc_sigaction14(int sig, const struct sigaction *act, struct sigaction *oact)
48 {
49 	extern const int __sigtramp_siginfo_2[];
50 
51 #if 0
52 	/*
53 	 * If no sigaction, use the "default" trampoline since it won't
54 	 * be used.
55 	 */
56 	if (act == NULL)
57 		return  __sigaction_sigtramp(sig, act, oact, NULL, 0);
58 #endif
59 
60 	/*
61 	 * Don't provide sigcontext compatibility,
62 	 * always use the siginfo trampoline.
63 	 */
64 	return __sigaction_sigtramp(sig, act, oact, __sigtramp_siginfo_2, 2);
65 }
66