On Tue, 19 Jul 2011 20:16:26 +0000, Gibney, Dave wrote:>>
>>
>> http://publib.boulder.ibm.com/infocenter/zos/v1r12/index.jsp?topic=/com.ibm.zos.r12.ieae200/progref.htm
>
>Actually, it not that I think it is no good, I think it's a long time coming. 
>The problem is that I also know of at least one program (central to our batch 
>processing) that exploits this "feature" :)
> 
Relink it.

I'm biased.  In our ISV development shop, we must test in the most
restrictive environments.  REFRPROT=YES; USERKEYCSA=NO, etc.
If IBM would tell us about dirty GETMAIN, we'd use that, too.

>So although I think it's "better" that reentrant marked modules actually be 
>reentrant and might have been inclined to enforce that had I had a say in the 
>mythical man month days, I don't get to just turn this on and say sorry to my 
>programmers and management.
>
Had the designers been thinking in those days, it would have been the
standard; never an option.  Simply, a developer screwed up and put the
test of the AC bit in the wrong code path.  It should never have been
sensitive to the status of the library.

-- gil

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