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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #pragma weak _siglongjmp = siglongjmp
     30 
     31 #include "lint.h"
     32 #include <sys/types.h>
     33 #include <sys/ucontext.h>
     34 #include <setjmp.h>
     35 #include <ucontext.h>
     36 
     37 void
     38 siglongjmp(sigjmp_buf env, int val)
     39 {
     40 	/* LINTED alignment */
     41 	ucontext_t *ucp = (ucontext_t *)env;
     42 
     43 	if (val)
     44 		ucp->uc_mcontext.gregs[REG_R0] = val;
     45 	else
     46 		ucp->uc_mcontext.gregs[REG_R0] = 1;
     47 
     48 	(void) setcontext(ucp);
     49 }
     50