Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (S)

Guardian Procedure Calls Reference Manual—522629-013

14-61

SETJMP_ Procedure

Summary

Syntax for C Programmers

Syntax for TAL Programmers

Parameters

Considerations

Example

Related Programming Manual

Summary

The SETJMP_ procedure saves process context in a jump buffer. This context is used

when a nonlocal goto is performed by a corresponding call to the LONGJMP_

procedure.

Syntax for C Programmers

Syntax for TAL Programmers

Parameters

retval returned value

INT(32)

indicates the outcome of the call:

0D indicates that the SETJMP_ procedure was called directly.

<>0D indicates that the SETJMP_ procedure is returning as a result of a call to

the LONGJMP_ procedure. The returned value is specified by

LONGJMP_.

#include <setjmp.h>

jmp_buf env;

int setjmp ( jmp_buf env );

?SOURCE $SYSTEM.SYSTEM.HSETJMP

retval := SETJMP_ ( env ); ! o