/* 

 * setjmp.h

 * This file has no copyright assigned and is placed in the Public Domain.

 * This file is a part of the mingw-runtime package.

 * No warranty is given; refer to the file DISCLAIMER within the package.

 *

 * Declarations supporting setjmp and longjump, a method for avoiding

 * the normal function call return sequence. (Bleah!)

 *

 */

#ifndef _SETJMP_H_

#define _SETJMP_H_

/* All the headers include this file. */

#include <_mingw.h>

#ifndef RC_INVOKED

#ifdef __cplusplus

extern "C" {

#endif

/*

 * The buffer used by setjmp to store the information used by longjmp

 * to perform it's evil goto-like work. The size of this buffer was

 * determined through experimentation; it's contents are a mystery.

 * NOTE: This was determined on an i386 (actually a Pentium). The

 *       contents could be different on an Alpha or something else.

 */

#define _JBLEN 16

#define _JBTYPE int

typedef _JBTYPE jmp_buf[_JBLEN];

/*

 * The function provided by CRTDLL which appears to do the actual work

 * of setjmp.

 */

_CRTIMP int __cdecl __MINGW_NOTHROW _setjmp (jmp_buf);

#define	setjmp(x)	_setjmp(x)

/*

 * Return to the last setjmp call and act as if setjmp had returned

 * nVal (which had better be non-zero!).

 */

_CRTIMP void __cdecl __MINGW_NOTHROW longjmp (jmp_buf, int) __MINGW_ATTRIB_NORETURN;

#ifdef __cplusplus

}

#endif

#endif	/* Not RC_INVOKED */

#endif	/* Not _SETJMP_H_ */