Re: Faking re-entrancy with second copy of DLL?

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#2055

From: Peter Haller
Date: Sun, 15 Nov 1992 16:27

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In a previous article, mbk@netcom.com (Miles Kehoe) says:

>OK, imagine you had a DLL from company X called X.DLL.
>Company X says it is not reentrant, so you know you cannot
>have two programs active which use X.DLL.
>
>If you rename X.DLL to Y.DLL, and tell your program to
>access Y.DLL instead of X.DLL, is anything else going
>to bite you? It *looks* like 'x' is stored in X.DLL
>and simply renaming the DLL file does NOT do the
>complete trick. 
>
>Suppose now that you had a copy of the DLL source; can
>you simply rename and relink it?
>
>I know it's wierd.... just trying to fake it!
>
>Miles
>
>
A non-reentrant DLL? Must be using a lot of static allocations or
Global buffers. Nasty stuff. What you are talking about though
should work fine since an new copy of the DLL is used.

PCH
-- 
Peter C. Haller                         |       'If you do what you
Lorain Products                         |       have always done,
ae302@cleveland.Freenet.Edu             |       expect what you have
"Are we having fun yet?"                |       always received.'

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From: ae302@cleveland.Freenet.Edu (Peter Haller)
Newsgroups: comp.os.ms-windows.programmer.misc
Subject: Re: Faking re-entrancy with second copy of DLL?
Message-ID: <1e5tp8INN4g2@usenet.INS.CWRU.Edu>
Date: 15 Nov 92 16:27:20 GMT
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Reply-To: ae302@cleveland.Freenet.Edu (Peter Haller)
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