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Date: Tue, 31 Aug 1999 20:40:04 -0400
From: Chris Faylor <cgf AT cygnus DOT com>
To: Mumit Khan <khan AT xraylith DOT wisc DOT EDU>
Cc: cygwin-developers AT sourceware DOT cygnus DOT com
Subject: Re: WARNING: previous dlopen of %s wasn't correctly performed
Message-ID: <19990831204004.A2104@cygnus.com>
Mail-Followup-To: Mumit Khan <khan AT xraylith DOT wisc DOT EDU>,
	cygwin-developers AT sourceware DOT cygnus DOT com
References: <19990831011925 DOT A9493 AT cygnus DOT com> <199908311342 DOT IAA14819 AT mercury DOT xraylith DOT wisc DOT edu>
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In-Reply-To: <199908311342.IAA14819@mercury.xraylith.wisc.edu>; from Mumit Khan on Tue, Aug 31, 1999 at 08:42:16AM -0500

On Tue, Aug 31, 1999 at 08:42:16AM -0500, Mumit Khan wrote:
>Chris Faylor <cgf AT cygnus DOT com> writes:
>> Can anyone tell me what this error message signifies?  I've got it coming fro
>> m dlopen
>> but I'm too tired to figure out why.
>
>If you're using dlopen, I may know have a clue; otherwise, sorry.
>
>Point your debugger to DllList::recordDll and check then "buf" and
>_dlOpenedLib variables and that should provide a clue.
>
>The problem is quite possibly in DllList::recordDll, and usually has 
>to do with the fact the the DLL name given to dlopen doesn't match the 
>name Windows returns via GetModuleFileName later in recordDll. Usually
>the problem is in case mismatch, and that should have been fixed by the 
>following patch:
>
>Sat May 22 19:03:47 1999  Mumit Khan  <khan AT xraylith DOT wisc DOT edu>
>
>	* dll_init.cc (DllList::recordDll): Forkee must reload dlopened
>	DLLs. Also use strcasematch, not strcmp to compare file name.
>
>The other issue may very well have to do with symbolic links, however
>it does appear to be taken care of in dlfcn.cc:get_full_path_of_dll. See
>get_full_path_of_dll and check_access in dlfcn.cc for how a DLL name is 
>looked up. 

Thanks.  This was what I needed.

I was using the wrong entry point for a cygwin DLL.  Duh.

-chris