home *** CD-ROM | disk | FTP | other *** search
- /*
- * setjmp.h
- *
- * Declarations supporting setjmp and longjump, a method for avoiding
- * the normal function call return sequence. (Bleah!)
- *
- * This file is part of the Mingw32 package.
- *
- * Contributors:
- * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
- *
- * THIS SOFTWARE IS NOT COPYRIGHTED
- *
- * This source code is offered for use in the public domain. You may
- * use, modify or distribute it freely.
- *
- * This code is distributed in the hope that it will be useful but
- * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
- * DISCLAMED. This includes but is not limited to warranties of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Revision: 1.2 $
- * $Author: khan $
- * $Date: 1998/09/03 16:31:17 $
- *
- */
-
- #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.
- */
- int _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!).
- */
- void longjmp (jmp_buf, int);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* Not RC_INVOKED */
-
- #endif /* Not _SETJMP_H_ */
-
-