57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
|
|
* 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 _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 longjmp (jmp_buf, int) __MINGW_ATTRIB_NORETURN;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* Not RC_INVOKED */
|
|
|
|
#endif /* Not _SETJMP_H_ */
|
|
|