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Date:	Sun, 29 Jun 2003 12:58:03 -0400
From:	Larry Hall <cygwin-lh AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
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To:	micah AT mail DOT cs DOT swt DOT edu
CC:	cygwin AT cygwin DOT com
Subject:	Re: request: add hive unload functionality
References:	<200306290548 DOT h5T5m4ho005379 AT mail DOT cs DOT swt DOT edu>
In-Reply-To:	<200306290548.h5T5m4ho005379@mail.cs.swt.edu>

micah AT mail DOT cs DOT swt DOT edu wrote:

> after browsing the source, I gathered that whenever a new process is spawned(spawn.cc) the user's hive is loaded and linked to HKEY_CURRENT_USER.  but, the user's hive is never unloaded i.e. whenever the last process running as that user terminates.
> 
> so I humbly suggest adding an unload function to the registry like:
> 
>       void unload_registry_hive (PSID psid){ ... }
> 
> then wait until the last process running as that user exits and then unload the hive.
> 
> 
> the reason for the request is I have a couple of programs that monitor user logon/logoffs.  they work by monitoring the HKEY_USERS hive and with cygwin-sshd, the hives never unload even after I kill sshd...


Hm, a worthwhile idea.  FWIW, if you'd like to see this change happen in
a timely manner, I'd suggest submitting a patch for this.  If you're
interested, see <http://cygwin.com/contrib.html>.

Thanks,

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746


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