/*******************************************************************************
 
C++ source for the C++ Language System, Release 3.0.  This product
is a new release of the original cfront developed in the computer
science research center of AT&T Bell Laboratories.

Copyright (c) 1991 AT&T and UNIX System Laboratories, Inc.
Copyright (c) 1984, 1989, 1990 AT&T.  All Rights Reserved.

THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE of AT&T and UNIX System
Laboratories, Inc.  The copyright notice above does not evidence
any actual or intended publication of such source code.

*******************************************************************************/
/*
 *	This is a handmade version of setjmp.h
 *	for the Sun 4 running SunOS 4.0.3.
 */	
#ifndef __SETJMP_H
#define __SETJMP_H


#ifdef sparc
#define	_JBLEN	9
#else
#define _JBLEN	58
#endif

typedef int jmp_buf[_JBLEN];
typedef	int sigjmp_buf[_JBLEN+1];

extern "C" {
	int setjmp(jmp_buf);
	void longjmp(jmp_buf, int);
#ifndef _setjmp
	int _setjmp(jmp_buf);
#endif
	void _longjmp(jmp_buf, int);
	int sigsetjmp(sigjmp_buf, int);
	void siglongjmp(sigjmp_buf, int);
}

static void setjmp_dummy() {
	sigjmp_buf sbuf;
	jmp_buf jbuf;
	
	/* 
	 * The following functions are called in order to
	 * keep cfront from deleting the definitions of these
	 * functions.  This keeps the C compiler happy about
	 * the following #pragma.
	 */
	sigsetjmp(sbuf, 0);
	setjmp(jbuf);
#ifndef _setjmp
	_setjmp(jbuf);
#endif
	setjmp_dummy();
}

#ifndef _setjmp
#pragma unknown_control_flow(sigsetjmp, setjmp, _setjmp)
#else
#pragma unknown_control_flow(sigsetjmp, setjmp)
#endif

#ifndef sparc
/* the following pragma is necessary only on 68000s */
#ifndef _setjmp
#pragma makes_regs_inconsistent(sigsetjmp, setjmp, _setjmp)
#else
#pragma makes_regs_inconsistent(sigsetjmp, setjmp)
#endif
#endif

#endif