That's really the responsibility of the area being changed, not KIDS.  Kind
of like the captain of the ship evacuating all but the most essential
personnel before the pumps are turned on.  The captain (in VistA it would be
the developer responsible for the environment checks and pre-installation
checks) know who can stay and who shouldn't.  BTW, environment checks are to
make NO changes other than the presence of the routine(s) to do the checks.
Pre-install code is permitted to make changes prior to the loading of new
components.  (These are enforced by policy and careful SQA review ... KIDS
can't "know" what's really going to happen.)

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of K.S.
Bhaskar
Sent: Monday, August 29, 2005 2:09 PM
To: [email protected]
Subject: RE: [Hardhats-members] Re: GT.M and user/memory/object code space

Cool!  I didn't know KIDS did all that.  So what we now need is to
establish the set of signals that tell a ship that it needs to go into
dry dock for an oil change (or whatever ships do in floating dry docks
when on maneuvers - excuse my skimpy nautical knowledge).

What does KIDS do if a process is in an area that it wants to change?

-- Bhaskar

On Mon, 2005-08-29 at 15:54 -0500, Cameron Schlehuber wrote:
> All patches and version updates to VistA in VA are handled via KIDS
> (or at 
> least they're supposed to!)  One of the capabilities KIDS offers is to
> lock 
> out users of selected options related to the code being changed.
> Other 
> users then can continue their merry way during what in some cases may
> be 
> lengthy installation processes.  Rather than VistA being like a car
> (a 
> system), it's more like a fleet (a system of systems), where we even
> have 
> the equivalent of floating dry-docks to do repairs while engaged in
> active 
> maneuvers.



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