Re: How to best identify if applications are running in OPM mode?

[Vernon Hamberg <vhamberg@xxxxxxxxxxxxxxx>]

Hi Mark

I'm glad you replied with this - it's stuff that needs reinforcement - 
I'd included it in my original reply, so it's coming from 2 points of 
the compass - any other takers for south and west?

Vern

On 2/5/2013 9:04 AM, Mark S Waterbury wrote:
> Hi, Gerald:
>
> When you create an RPG IV program using CRTBNDRPG, you have an option
> (parameter) DFTACTGRP that defaults to *YES.  If you compile such a
> program with DFTACTGRP(*YES), it will show "Type of program" as "ILE"
> but the "Activation group attribute" will show *DFTACTGRP.
>
> This means it will run in the "default activation group" for the job,
> which is primarily there for OPM programs.  This is what I like to call
> "OPM compatibility mode."   Note that IBM does not officially call it
> that, but that's what it is.
>
> So, in addition to checking the results of DSPPGM, you also need to look
> at the activation group of any ILE programs.
>
> Also, bear in mind that if you specify *CALLER for the ACTGRP, and
> somehow, you happen to call an ILE *PGM from a program that is running
> in the DAG, it will end up running in the default activation group.
> However, if it was not created with DFTACTGRP(*YES), it will not truly
> behave as an OPM program.  So, for example, RCLRSC will not be able to
> "clean up" any resources associated with that program.
>
> That is why IBM advises caution about "mixing" of ILE and OPM programs
> ... for more information, see:
>
>       http://www.scottklement.com/presentations/
>
> and look for the "ILE Concepts (for the Impatient RPG Programmer" link
> on that page.
>
> All the best,
>
> Mark S. Waterbury
>
>   > On 2/5/2013 8:19 AM, Gerald Kern wrote:
> > Thanks Vern - DSPPGM is what I was looking for.
> >
> > The first attribute shown is Type of Program and it's either OPM or ILE.
> >
> > That's exactly what I was looking for.
> >
> > Thanks, Jerry
> >
> > Gerald Kern - Information Technology
> > Programming Supervisor
> > IBM Certified RPG IV Developer
> > Lotus Notes/Domino Administrator
> > The Toledo Clinic, Inc.
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