Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

Prior to program invocation

When the exit is invoked before the invocation of the PL/I program, the exit can tell the PL/I run-time to bypass the program invocation. In this case, DTB occurs if necessary.

During this invocation of the exit, other functions (such as interrogation of or setting of run-time options) cannot be performed.

The IBM supplied exit merely returns allowing the PL/I program invocation to proceed.


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