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File: [cvs.NetBSD.org] / src / lib / libc / arch / x86_64 / sys / Attic / __sigaction14_sigtramp.c (download)

Revision 1.10.28.1, Wed Aug 20 00:02:12 2014 UTC (7 years, 3 months ago) by tls
Branch: tls-maxphys
Changes since 1.10: +3 -3 lines

Rebase to HEAD as of a few days ago.

/*	$NetBSD: __sigaction14_sigtramp.c,v 1.10.28.1 2014/08/20 00:02:12 tls Exp $	*/

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: __sigaction14_sigtramp.c,v 1.10.28.1 2014/08/20 00:02:12 tls Exp $");
#endif /* LIBC_SCCS and not lint */

#include <sys/types.h>
#include <stddef.h>
#include <signal.h>
#include <errno.h>

#include "extern.h"

__weak_alias(__sigaction14, __libc_sigaction14)

int
__libc_sigaction14(int sig, const struct sigaction *act, struct sigaction *oact)
{
	extern const int __sigtramp_siginfo_2[];

#if 0
	/*
	 * If no sigaction, use the "default" trampoline since it won't
	 * be used.
	 */
	if (act == NULL)
		return  __sigaction_sigtramp(sig, act, oact, NULL, 0);
#endif

	/*
	 * Don't provide sigcontext compatibility,
	 * always use the siginfo trampoline.
	 */
	return __sigaction_sigtramp(sig, act, oact, __sigtramp_siginfo_2, 2);
}