IMHO, if you don't have the source code then that in itself is a good reason to 
get rid of the exit, carefully.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Tom 
Brennan <t...@tombrennansoftware.com>
Sent: Friday, January 4, 2019 1:03 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Exit Calls or Using

On 1/4/2019 4:35 AM, Peter Relson wrote:

> Whether or not your exit routine is doing anything useful can only be
> determined by examining the routine and understanding the exit.

That means someone has to find the source code, make sure it's the
actual version running, and then be able to understand it well enough to
make a decision about whether the processing is needed or not.  I've
seen sites where even step 1 is a problem.  So maybe a more realistic
approach might be:  Turn off the exit, wait to see if the phone rings,
and be ready to put it back.

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