setjmp.h revision 3999 
1/*-
2 * Copyright (c) 1990, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)setjmp.h	8.2 (Berkeley) 1/21/94
39 */
40
41#ifndef _SETJMP_H_
42#define _SETJMP_H_
43
44#if defined(__hp300__) || defined(__luna68k__)
45#define _JBLEN	17
46#endif
47
48#if defined(__i386__)
49#define _JBLEN	8
50#endif
51
52#if defined(__mips__)
53#define _JBLEN	83
54#endif
55
56#if defined(__sparc__)
57#define _JBLEN	10
58#endif
59
60#if defined(__tahoe__)
61#define _JBLEN	10
62#endif
63
64#if defined(__vax__)
65#define _JBLEN	10
66#endif
67
68/*
69 * jmp_buf and sigjmp_buf are encapsulated in different structs to force
70 * compile-time diagnostics for mismatches.  The structs are the same
71 * internally to avoid some run-time errors for mismatches.
72 */
73#ifndef _ANSI_SOURCE
74typedef struct { int _sjb[_JBLEN + 1]; } sigjmp_buf[1];
75#endif /* not ANSI */
76
77typedef struct { int _jb[_JBLEN + 1]; } jmp_buf[1];
78
79#include <sys/cdefs.h>
80
81__BEGIN_DECLS
82int	setjmp __P((jmp_buf));
83__dead
84void	longjmp __P((jmp_buf, int)) __dead2;
85
86#ifndef _ANSI_SOURCE
87int	sigsetjmp __P((sigjmp_buf, int));
88__dead
89void	siglongjmp __P((sigjmp_buf, int)) __dead2;
90#endif /* not ANSI */
91
92#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
93int	_setjmp __P((jmp_buf));
94__dead
95void	_longjmp __P((jmp_buf, int)) __dead2;
96void	longjmperror __P((void));
97#endif /* neither ANSI nor POSIX */
98__END_DECLS
99
100#endif /* !_SETJMP_H_ */
101