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Date:	Fri, 15 Mar 2002 22:29:03 -0500
From:	Christopher Faylor <cgf AT redhat DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin.com suggestions
Message-ID:	<20020316032903.GB12002@redhat.com>
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On Sat, Mar 16, 2002 at 12:48:41PM +1100, Robert Collins wrote:
>
>
>> -----Original Message-----
>> From: Chris January [mailto:chris AT atomice DOT net] 
>> Sent: Saturday, March 16, 2002 10:34 AM
>
>> > But that doesn't really replace the current DLL. IOW the 
>> changes are 
>> > not effective until one reboots. Personally I find this a 
>> crummy way to do things but perhaps that's all that can be done.
>
>> Under Win NT/2k/XP it is actually possible to replace a DLL 
>> file that's currently in use without rebooting.
>No its not - a rename operation on a memorymapped file fails. It's under
>win16 *cough* win9x->Me that memorymapped files can be renamed or
>deleted.

It works fine on XP.  I do it on an almost daily basis when I'm
installing new DLLs.

It worked fine on NT 4 and W2K, too.

I just verified this by doing the following command:

cd c:\cygwin\bin
mv cygwin1.dll cygwinfoo.dll

cgf

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