Re: [BLACKBOX] Loading self made dlls

From: [at]} <Wojtek>
Date: Wed, 6 Jul 2011 23:43:50 -0400

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> I don't think I would ever have found that but in retrospect it is
> obvious.

Obvious? Why obvious?


> Thank you very much!
> -Doug Danforth
>
>
>
> On 7/6/2011 8:14 PM, Blackbox Support Oberon microsystems AG wrote:
> Hi Doug, please try and include
> the module HostFiles into your DevLinker command.
> With best regards, Marc
> From: BlackBox
> [mailto:BLACKBOX{([at]})nowhere.xy
> Douglas G. Danforth
> Sent: Donnerstag, 7. Juli 2011 02:35
> To: BLACKBOX{([at]})nowhere.xy
> Subject: [BLACKBOX] Loading self made dlls
>
> Folks,
>
> I have hit a serious problem.
> I created a dll but can not load it.
> I have done a binary search with commenting out huge chucks of
> code
> and isolating the problem to one BB system call.
>
> .loc := Files.dir.This(path$);
>
> If that line is not included then the dll loads. If it is
> included then
> the dll fails with error code 998.
>
> Running all of the code but not as a linked dll works just fine.
> The linkage is
>
> DevLinker.LinkDll FaceSmooth.dll :> Kernel+
> ObxRandom
> Math
> Strings
> Files
> Vectors
> Matrices
> AbstractRings
> Polynomials
> Inis
> TrackingFaceSmoothDll# ~
>
> This is short and sweet since I have eliminated all output
> such as Out, or Dialog. It links just fine.
>
> So why would making a call to Files cause the dll to fail to
> load?
> In the body of the dll the BEGIN contains a call to my
> initialization
> code which includes opening and closing a file and hence the
> call to Files.dir.This. Again this works when not a dll but
> fails when is a dll.
>
> I am looking for suggestions here.
>
> Here is what MicroSquish says about 998 error
>
> "The LoadLibrary() API may sometimes encounter an
> access violation while attempting to map a specified
> module into the address space of the calling process.
> In this event, LoadLibrary() returns a value of NULL
> and GetLastError() returns an error code of 998
> (ERROR_NOACCESS)."
>
> -Doug Danforth
>
>
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Received on Thu Jul 07 2011 - 05:43:50 UTC