Following from George's comment, " the execution class found selects the
This program can be any program that doesn't have parameters, and withing
reason, can do anything you need of it.
Traditionally, because QBATCH is setup this way, we specify QCMD as what I
call the "routing pgm", because it's specified on the ADDRTGE cmd.
Fundamentally, QCMD processes request messages, though it is more complex
when in an interactive subsystem like QINTER.
It's the processing of request messages where the OP's comment
RQSDTA is what I'd name "command line"
Kicks in. The RQSDTA parameter of SBMJOB is exactly that - a request message
which the routing pgm can receive. Now the RQSDTA can be anything that the
routing pgm understands, so for QCMD, that would be a CMD, typically CALL
The purpose of trying to explain the difference between RQSDTA and RTGDTA,
is because they provide two ways of achieving the same thing, namely:
1. As the OP has done - to specify QCMD as the routing pgm (on ADDRTGE), and
then specify "CALL MYPGM" on the RQSDTA of the JOBD of the ASJ.
2. He could have specified MYPGM on the ADDRTGE, making it the routing pgm.
(I don't recall it having any parameters). As the only ADDRTGE had a compare
value of *ANY, this would work nicely - satisfying George's notes. (In this
case any RQSDTA on the JOBD would be ignored by MYPGM, though it could still
From: C400-L <c400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Sent: Friday, 17 December 2021 9:00 AM
Subject: Re: [C400-L] Using Data Queues in C, with V4 -- RTGDTA
Hi Chris and Patrick --
The routing data (in Submit job and in communications jobs) is matched
against subsystem Routing Data entries in the subsystem description. The
first match allows the execution class found selects the program, execution
class object and subsystem memory pool the job runs.
I found the following link to IBM's subsystem documentation that details
subsystem management (including routing entries) at
Hope this helps.
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