76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* $NetBSD: compat_sigaltstack.c,v 1.1 2005/09/13 01:44:09 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Klaus Klein.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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: compat_sigaltstack.c,v 1.1 2005/09/13 01:44:09 christos Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#define __LIBC12_SOURCE__
|
|
|
|
#include <limits.h>
|
|
#include <signal.h>
|
|
#include <compat/include/signal.h>
|
|
#include <stddef.h>
|
|
|
|
int
|
|
sigaltstack(onss, ooss)
|
|
const struct sigaltstack13 *onss;
|
|
struct sigaltstack13 *ooss;
|
|
{
|
|
stack_t nss, oss;
|
|
int error;
|
|
|
|
nss.ss_sp = onss->ss_sp;
|
|
nss.ss_size = onss->ss_size;
|
|
nss.ss_flags = onss->ss_flags;
|
|
|
|
error = __sigaltstack14(&nss, &oss);
|
|
|
|
if (error == 0 && ooss != NULL) {
|
|
ooss->ss_sp = oss.ss_sp;
|
|
if (oss.ss_size > INT_MAX)
|
|
ooss->ss_size = INT_MAX;
|
|
else
|
|
ooss->ss_size = oss.ss_size;
|
|
ooss->ss_flags = oss.ss_flags;
|
|
}
|
|
|
|
return (error);
|
|
}
|