| 1 |
/* |
| 2 |
* setjmp.h |
| 3 |
* This file has no copyright assigned and is placed in the Public Domain. |
| 4 |
* This file is a part of the mingw-runtime package. |
| 5 |
* No warranty is given; refer to the file DISCLAIMER within the package. |
| 6 |
* |
| 7 |
* Declarations supporting setjmp and longjump, a method for avoiding |
| 8 |
* the normal function call return sequence. (Bleah!) |
| 9 |
* |
| 10 |
*/ |
| 11 |
|
| 12 |
#ifndef _SETJMP_H_ |
| 13 |
#define _SETJMP_H_ |
| 14 |
|
| 15 |
/* All the headers include this file. */ |
| 16 |
#include <_mingw.h> |
| 17 |
|
| 18 |
#ifndef RC_INVOKED |
| 19 |
|
| 20 |
#ifdef __cplusplus |
| 21 |
extern "C" { |
| 22 |
#endif |
| 23 |
|
| 24 |
/* |
| 25 |
* The buffer used by setjmp to store the information used by longjmp |
| 26 |
* to perform it's evil goto-like work. The size of this buffer was |
| 27 |
* determined through experimentation; it's contents are a mystery. |
| 28 |
* NOTE: This was determined on an i386 (actually a Pentium). The |
| 29 |
* contents could be different on an Alpha or something else. |
| 30 |
*/ |
| 31 |
#define _JBLEN 16 |
| 32 |
#define _JBTYPE int |
| 33 |
typedef _JBTYPE jmp_buf[_JBLEN]; |
| 34 |
|
| 35 |
/* |
| 36 |
* The function provided by CRTDLL which appears to do the actual work |
| 37 |
* of setjmp. |
| 38 |
*/ |
| 39 |
_CRTIMP int __cdecl __MINGW_NOTHROW _setjmp (jmp_buf); |
| 40 |
|
| 41 |
#define setjmp(x) _setjmp(x) |
| 42 |
|
| 43 |
/* |
| 44 |
* Return to the last setjmp call and act as if setjmp had returned |
| 45 |
* nVal (which had better be non-zero!). |
| 46 |
*/ |
| 47 |
_CRTIMP void __cdecl __MINGW_NOTHROW longjmp (jmp_buf, int) __MINGW_ATTRIB_NORETURN; |
| 48 |
|
| 49 |
#ifdef __cplusplus |
| 50 |
} |
| 51 |
#endif |
| 52 |
|
| 53 |
#endif /* Not RC_INVOKED */ |
| 54 |
|
| 55 |
#endif /* Not _SETJMP_H_ */ |
| 56 |
|