On Mon, 31 Jul 2006 23:48:57 -0700 Edward Jaffe <[EMAIL PROTECTED]>
wrote:

:>Huh? You have this completely reveresed in your mind. Upgrading your ENQ 
:>from shared to exclusive is the common case and is a *required* function 
:>in order to maintain the integrity of the data. Going the other way 
:>would be far less common ... so uncommon, in fact, that OS/MVT/MVS never 
:>bothered to create a service for it! There's just no need. If you want 
:>to downgrade from exclusive to shared, you simply DEQ and re-ENQ with 
:>shared scope.

Which loses control if there are ten SHR waiters followed by an EXC waiter.

I can see the case for EXC->SHR, and it should always be successful.

--
Binyamin Dissen <[EMAIL PROTECTED]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


Should you use the mailblocks package and expect a response from me,
you should preauthorize the dissensoftware.com domain.

I very rarely bother responding to challenge/response systems,
especially those from irresponsible companies.

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