So how can I stop CoFreeUnusedLibraries looking at the RefCount in the
clients copy?

> -----Original Message-----
> From: Phil Reynolds [mailto:preynoldsRIDGEWAYSYSTEMS.COM]
> Sent: 30 January 2003 10:34
> To: DCOMDISCUSS.MICROSOFT.COM
> Subject: Re: Spontaneous DLL unloading
>
>
> The RefCount in the *copy* of the DLL in s.exe will be
> greater than 0 as
> that is where the actual object is.
>
> The RefCount in the *copy* of the DLL in the client will be
> zero as there is
> no object in the client's *copy* of the DLL.
>
>
> -----Original Message-----
> From: Wallis Simon [mailto:simon.wallisDANFOSS.COM]
> Sent: 30 January 2003 10:29
> To: DCOMDISCUSS.MICROSOFT.COM
> Subject: Re: [DCOM] Spontaneous DLL unloading
>
>
> I do indeed have dual interfaces and the DLL has a type
> library. So that
> explains why the client loads the DLL.
>
> To recap, the server, s.exe, loads the dll, d.dll. The
> client.exe calls
> GetActiveObject to get the interface to the server. The
> client gets a list
> of components loaded by s.exe, and enumerates over the list
> until it finds
> the interface provided by the d.dll. d.dll is loaded by the
> client at the
> point of QueryInterface.
>
> So the question is, why does DllCanUnloadNow find a RefCount
> of 0? Debugging
> s.exe shows that the dll ref count is around 8. Yet when the
> client calls
> DllCanUnloadNow, the ref count is 0. There seems to be some sort of
> confusion about which process space to use.
>
> Regards,
> Simon
>
>
> > -----Original Message-----
> > From: Jonas Blunck TACMa [mailto:jobutac.se]
> > Sent: 30 January 2003 07:43
> > To: Wallis Simon
> > Subject: RE: Spontaneous DLL unloading
> >
> >
> > Are you sure you don't have any [dual] or [oleautomation]
> interfaces?
> > If you do, they will be typelibrary marshalled, and if the
> > typelibrary is included
> > in the DLL (which normally is the case), the client process
> > needs to load
> > the typelibrary and thus the dll.
> >
> > Have a look at your dll using oleview and see if the typelibrary is
> > included in the dll.
> >
> > Cheers,
> > Jonas
> >
> > -----Original Message-----
> > From: Wallis Simon [mailto:simon.wallisdanfoss.com]
> > Sent: den 29 januari 2003 16:50
> > To: 'jobuTAC.SE'
> > Subject: RE: Spontaneous DLL unloading
> >
> >
> > > The DLL is probably loaded into the clients process because of a
> > > typelibrary marshalled interface and the typelibrary is
> contained in
> > > that DLL?
> >
> > Are you saying that it is correct for the DLL to be loaded into the
> > clients process space? I do not have _MERGE_PROXY_STUB set in the
> > client.
> >
> > Simon
> >
>
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