v4.0/src/TOOLS/BLD/INC/SETJMP.H

   1 /***
   2 *setjmp.h - definitions/declarations for setjmp/longjmp routines
   3 *
   4 *   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
   5 *
   6 *Purpose:
   7 *   This file defines the machine-dependent buffer used by
   8 *   setjmp/longjmp to save and restore the program state, and
   9 *   declarations for those routines.
  10 *   [ANSI/System V]
  11 *
  12 *******************************************************************************/
  13
  14
  15 #ifndef NO_EXT_KEYS /* extensions enabled */
  16     #define _CDECL  cdecl
  17 #else /* extensions not enabled */
  18     #define _CDECL
  19 #endif /* NO_EXT_KEYS */
  20
  21
  22 /* define the buffer type for holding the state information */
  23
  24 #define _JBLEN  9  /* bp, di, si, sp, ret addr, ds */
  25
  26 #ifndef _JMP_BUF_DEFINED
  27 typedef  int  jmp_buf[_JBLEN];
  28 #define _JMP_BUF_DEFINED
  29 #endif
  30
  31
  32 /* function prototypes */
  33
  34 int _CDECL setjmp(jmp_buf);
  35 void _CDECL longjmp(jmp_buf, int);