On Mon, 27 Jul 2009 08:22:05 -0400 Joe Reichman <joereich...@optonline.net>
wrote:

:>does the subtask need to have access to the ECB since it is posted by MVS 
when the subtask
:>does a BR R14

I do not think that the subtask needs access. I presume the TCBPKF of the
attaching task is used.

:>-----Original Message-----
:>From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu]on
:>Behalf Of Binyamin Dissen
:>Sent: Monday, July 27, 2009 3:25 AM
:>To: IBM-MAIN@bama.ua.edu
:>Subject: Re: How to end SubTask ???
:>
:>
:>On Mon, 27 Jul 2009 01:57:32 -0500 Barbara Nitz <nitz-...@gmx.net> wrote:
:>
:>:>>The child task should BR R14 when it completes its work.  That
:>:>>causes the ECB to be POSTed for the parent task to test/WAIT.
:>:>>After that ECB is POSTed, the parent should DETACH the child.
:>
:>:>When a task goes through BR R14 (which actually calls cvtexit and translates
:>:>to 0A03 - exit svc), that tcb is gone. I think that detach would get a 
little
:>:>upset when instructed from the parent to detach a tcb (the child tcb) that
:>:>has already gone through exit. IIRC, the posting of the parent gets done by
:>:>RTM when the daughter tcb was attached that way.
:>
:>The TCB is only gone if the task was ATTACHed without ECB and ETXR. If either
:>was specified an explicit DETACH is required.

--
Binyamin Dissen <bdis...@dissensoftware.com>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


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