setjmp.h revision 18286 
177943Sdfr/*-
2218822Sdim * Copyright (c) 1990, 1993
377943Sdfr *	The Regents of the University of California.  All rights reserved.
477943Sdfr * (c) UNIX System Laboratories, Inc.
577943Sdfr * All or some portions of this file are derived from material licensed
677943Sdfr * to the University of California by American Telephone and Telegraph
777943Sdfr * Co. or Unix System Laboratories, Inc. and are reproduced herein with
877943Sdfr * the permission of UNIX System Laboratories, Inc.
977943Sdfr *
10117676Smarcel * Redistribution and use in source and binary forms, with or without
11117676Smarcel * modification, are permitted provided that the following conditions
12117676Smarcel * are met:
13117676Smarcel * 1. Redistributions of source code must retain the above copyright
14117676Smarcel *    notice, this list of conditions and the following disclaimer.
1577943Sdfr * 2. Redistributions in binary form must reproduce the above copyright
1685475Sdfr *    notice, this list of conditions and the following disclaimer in the
17117676Smarcel *    documentation and/or other materials provided with the distribution.
1877943Sdfr * 3. All advertising materials mentioning features or use of this software
19218822Sdim *    must display the following acknowledgement:
20218822Sdim *	This product includes software developed by the University of
21218822Sdim *	California, Berkeley and its contributors.
22117676Smarcel * 4. Neither the name of the University nor the names of its contributors
23117676Smarcel *    may be used to endorse or promote products derived from this software
24117676Smarcel *    without specific prior written permission.
25117676Smarcel *
26117676Smarcel * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27117676Smarcel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28117676Smarcel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2977943Sdfr * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
3077943Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3177943Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32117676Smarcel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3377943Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3477943Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35218822Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36218822Sdim * SUCH DAMAGE.
3777943Sdfr *
3885436Sdfr *	@(#)setjmp.h	8.2 (Berkeley) 1/21/94
39117676Smarcel */
40117676Smarcel
4185475Sdfr#ifndef _SETJMP_H_
42117676Smarcel#define _SETJMP_H_
43117676Smarcel
44117676Smarcel#if defined(__hp300__) || defined(__luna68k__)
4577943Sdfr#define _JBLEN	17
4677943Sdfr#endif
4777943Sdfr
48117676Smarcel#if defined(__i386__)
4977943Sdfr#define _JBLEN	8
50132435Smarcel#endif
51117676Smarcel
52117676Smarcel#if defined(__mips__)
53117676Smarcel#define _JBLEN	83
5477943Sdfr#endif
55117676Smarcel
56117676Smarcel#if defined(__sparc__)
57117676Smarcel#define _JBLEN	10
58117676Smarcel#endif
59117676Smarcel
60117676Smarcel#if defined(__tahoe__)
61117676Smarcel#define _JBLEN	10
6283078Sdfr#endif
63117676Smarcel
6477943Sdfr#if defined(__vax__)
6577943Sdfr#define _JBLEN	10
66117676Smarcel#endif
6777943Sdfr
68117676Smarcel/*
6977943Sdfr * jmp_buf and sigjmp_buf are encapsulated in different structs to force
70117676Smarcel * compile-time diagnostics for mismatches.  The structs are the same
71117676Smarcel * internally to avoid some run-time errors for mismatches.
72117676Smarcel */
7377943Sdfr#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));
83void	longjmp __P((jmp_buf, int)) __dead2;
84
85#ifndef _ANSI_SOURCE
86int	sigsetjmp __P((sigjmp_buf, int));
87void	siglongjmp __P((sigjmp_buf, int)) __dead2;
88#endif /* not ANSI */
89
90#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
91int	_setjmp __P((jmp_buf));
92void	_longjmp __P((jmp_buf, int)) __dead2;
93void	longjmperror __P((void));
94#endif /* neither ANSI nor POSIX */
95__END_DECLS
96
97#endif /* !_SETJMP_H_ */
98