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On 2/2/2011 12:09 PM, David FOXWELL wrote:
So if I had a pile of callers, all linear main, with a CLP at the
origin, then pressing G would take me all the way back to that CLP?
Yes, as long as everything was in the same activation group, or rather,
as long as there were no control boundaries between the CLP and the
procedure that got the exception. (Except there's no 'G' for CLP, so to
continue in the CLP you'd press 'I'.)
From the system's point of view, every procedure is equivalent. The
notion of a cycle-main procedure linear-main procedure or subprocedure
doesn't exist for the system. For the scope of what happens during
exception handling, all that really matters is where the control
boundaries are. Usually, the control boundaries exist where the
activation group changes. You can see the control boundaries on one of
the views in the *PGMSTK page of DSPJOB.
In the case of an OPM CLP, the linear main programs would already have
been taken off the program stack by the time CL was putting up its
inquiry message, since there would have been a control boundary between
the CLP and the RPG.
In the case of an ILE CLLE, in the same activation group as the RPG, the
linear main programs would still be suspended during the CL inquiry message.
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