xref: /titanic_52/usr/src/lib/libc/i386/gen/siglongjmp.c (revision 61679b0b6826b0ae7e3f751acd91412fcfa45d1e)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5f841f6adSraf  * Common Development and Distribution License (the "License").
6f841f6adSraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21f841f6adSraf 
227c478bd9Sstevel@tonic-gate /*
237257d1b4Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
287c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
297c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
307c478bd9Sstevel@tonic-gate 
31*61679b0bSGordon Ross #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*61679b0bSGordon Ross 
337257d1b4Sraf #pragma weak _siglongjmp = siglongjmp
34f841f6adSraf 
357257d1b4Sraf #include "lint.h"
367c478bd9Sstevel@tonic-gate #include <sys/types.h>
377c478bd9Sstevel@tonic-gate #include <sys/ucontext.h>
387c478bd9Sstevel@tonic-gate #include <setjmp.h>
397c478bd9Sstevel@tonic-gate #include <ucontext.h>
407c478bd9Sstevel@tonic-gate 
417c478bd9Sstevel@tonic-gate void
427257d1b4Sraf siglongjmp(sigjmp_buf env, int val)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate 	ucontext_t *ucp = (ucontext_t *)env;
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate 	if (val)
477c478bd9Sstevel@tonic-gate 		ucp->uc_mcontext.gregs[EAX] = val;
487c478bd9Sstevel@tonic-gate 	else
497c478bd9Sstevel@tonic-gate 		ucp->uc_mcontext.gregs[EAX] = 1;
507c478bd9Sstevel@tonic-gate 
517257d1b4Sraf 	(void) setcontext(ucp);
527c478bd9Sstevel@tonic-gate }
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