windows-nt/Source/XPSP1/NT/base/mvdm/dos/v86/h/setjmp.h
2020-09-26 16:20:57 +08:00

36 lines
872 B
C

/***
*setjmp.h - definitions/declarations for setjmp/longjmp routines
*
* Copyright (c) 1985-1988, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the machine-dependent buffer used by
* setjmp/longjmp to save and restore the program state, and
* declarations for those routines.
* [ANSI/System V]
*
*******************************************************************************/
#ifndef NO_EXT_KEYS /* extensions enabled */
#define _CDECL cdecl
#else /* extensions not enabled */
#define _CDECL
#endif /* NO_EXT_KEYS */
/* define the buffer type for holding the state information */
#define _JBLEN 9 /* bp, di, si, sp, ret addr, ds */
#ifndef _JMP_BUF_DEFINED
typedef int jmp_buf[_JBLEN];
#define _JMP_BUF_DEFINED
#endif
/* function prototypes */
int _CDECL setjmp(jmp_buf);
void _CDECL longjmp(jmp_buf, int);