setjmp.h revision 18286
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)); 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