minix/lib/libc/compat/sys/compat_sigaltstack.c
Lionel Sambuc f14fb60209 Libraries updates and cleanup
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

68 lines
2.3 KiB
C

/* $NetBSD: compat_sigaltstack.c,v 1.5 2012/03/20 17:06:00 matt 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.
*
* 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 1.5 2012/03/20 17:06:00 matt Exp $");
#endif /* LIBC_SCCS and not lint */
#define __LIBC12_SOURCE__
#include <limits.h>
#include <sys/time.h>
#include <compat/sys/time.h>
#include <signal.h>
#include <compat/include/signal.h>
#include <stddef.h>
int
sigaltstack(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 = (int)oss.ss_size;
ooss->ss_flags = oss.ss_flags;
}
return (error);
}