setjmp.h revision 104505 
1/*-
2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by John Birrell.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: head/sys/amd64/include/setjmp.h 104505 2002-10-05 05:47:56Z mike $
33 */
34
35#ifndef _MACHINE_SETJMP_H_
36#define	_MACHINE_SETJMP_H_
37
38#include <sys/cdefs.h>
39
40#define	_JBLEN	11		/* Size of the jmp_buf on x86. */
41
42/*
43 * jmp_buf and sigjmp_buf are encapsulated in different structs to force
44 * compile-time diagnostics for mismatches.  The structs are the same
45 * internally to avoid some run-time errors for mismatches.
46 */
47#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
48typedef	struct _sigjmp_buf { int _sjb[_JBLEN + 1]; } sigjmp_buf[1];
49#endif
50
51typedef	struct _jmp_buf { int _jb[_JBLEN + 1]; } jmp_buf[1];
52
53#endif /* !_MACHINE_SETJMP_H_ */
54