They must not have been authorized if they modified themselves or they were in 
FLPA and FLPA was marked NOPROT.  


Jon L. Veilleux 
veilleu...@aetna.com 
(860) 636-2683 


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of 
Gainsford, Allen
Sent: Wednesday, November 18, 2009 3:03 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Reentrant Programs and Protected Storage

> It has ALWAYS been this way. When you link a program "RENT" you're 
> telling the system that the program does not modify itself.

Really?  I thought that was what REFR was for, not RENT.  My understanding was 
that RENT simply means that the module can be executed my multiple tasks 
simultaneously.

I have written modules that were reentrant, but which modified themselves.
(I'm not saying it was a good idea.)  They were very careful with their 
modifications (using CS / CDS, etc), but the fact remains, they were reentrant. 
 But not refreshable.

Regards,
Allen

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