> I have never heard of such a thing! Which comment in the data areas
> implies this??
" 124 (7C) ADDRESS 4 TCBJSTCB - ADDRESS OF
FIRST
(0) JOB STEP TCB OR
OF
THIS TCB IF KEY
ZERO
124 (7C) BITSTRING 1 - HIGH ORDER
BYTE OF
TCBJSTCB
125 (7D) ADDRESS 3 TCBJSTCA - LOW ORDER 24
BITS
OF TCBJSTCB"
See
<http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA2D560/57.
1.1?SHELF=IEA2BK61&DT=20050715104938&CASE=>
(sorry for the wrap)
Now as it happens, we know the comment is BS, like many other misleading
comments in the data areas and macros. It's only by stumbling through
the minefields that we figure out where the mines really are.
TCBJSTCB points to the job step TCB for the TCB you're looking at. If
the TCB you're looking at is itself, a job step, then TCBJSTCB points to
the one you're looking at.
There are quite a few arcane rules for job step tasks.
CC
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