Hi Dave,
I'm a bit confused as to why you are looking at using group jobs. Why not just change the job's library list to be what you need? You can always change the library list back when the program completes.
The basic steps are...
1. Save the jobs' current library list settings. You can use command RTVJOBA or API QUSRJOBI with format JOBI0700.
2. Set the job's library list to what you need. Use command CHGLIBL or API QLICHGLL.
3. Perform the necessary processing.
4. Set the job's library list back to what it was in step 1. Use command CHGLIBL or API QLICHGLL.
The APIs can be used in OPM or ILE RPG if you don't want to call CL programs/modules.
In CL the 4 Binary in the APIs can be defined as
Dcl Var(&parmname) Type(*INT) Len(10 0)
2 Binary can be defined as
Dcl Var(&parmname) Type(*INT) Len(5 0)
HTH,
Gary Monnier
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Dave
Sent: Tuesday, July 24, 2012 5:55 AM
To: Midrange Systems Technical Discussion
Subject: TFRGRPJOB vs ACTGRP
Hi,
Been looking at the possibilities of running a program using a different library list than the caller. Particularly as the program is a large OPM calling lots of others all copybooked in, I've been looking at TFRGRPJOB. I have to submit my analysis, and I'm pretty sure I'll be told to convert everything to ILE and use an ACTGRP to keep things isolated from the calling program. I'm hard put to think of an advantage of running the program in an activation group rather than a group job. Here's one: when using STRDBG you can step into the called program.
Any more?
Thanks!
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