Re: About ENQ - some basic questions
- From: mark.jacobs@xxxxxxxxxxxx (Mark Jacobs)
- Date: 23 Feb 2010 03:54:14 -0800
On 02/22/10 16:43, Paul Gilmartin wrote:
On Mon, 22 Feb 2010 14:17:29 -0500, Mark Jacobs wrote:
Still, I'm trying to imagine what even an authorized programYou are correct it's not.You may want to look into handling the ENQs yourself and not let SVC99 doUnless I'm missing something, I hope this facility isn't
them. Look at S99FLAG2 bit S99NORES. This tells SVC99 to not do the
ENQ/DEQ.
available to nonauthorized callers.
could usefully and safely do with a data set allocated with
no ENQ, given that absent that ENQ any other program, even
unauthorized, could make that data set, all its extents, and
its DSCBs vanish without warning.
Perhaps with a reserve on the VTOC(s)?
-- gil
I use the flag in my sysres build program to allocate sysres resident datasets on a newly created targeted empty future sysres volume. Since I know what I'm doing and where I'm creating my new datasets I don't worry about ENQ's.
--
Mark Jacobs
Time Customer Service
Tampa, FL
----
I never make stupid mistake, only very, very clever ones.
Doctor Who
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