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Date: Tue, 14 Oct 2003 16:24:15 -0500 (CDT)
From: Brian Ford <ford AT vss DOT fsi DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: cygpath hangings
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On Tue, 14 Oct 2003, Igor Pechtchanski wrote:
> Does "cygcheck yourprog.exe" show both test_dll.dll and SHLWAPI.DLL?
>
ford AT fordpc ~
$ cygcheck cyghan.exe
Found: .\cyghan.exe
cyghan.exe
  G:\cygwin\bin\cygwin1.dll
    D:\WINNT\System32\KERNEL32.dll
      D:\WINNT\System32\ntdll.dll
  .\cygl.dll
    D:\WINNT\System32\SHELL32.DLL
      D:\WINNT\System32\GDI32.dll
        D:\WINNT\System32\USER32.dll
          D:\WINNT\System32\ADVAPI32.dll
            D:\WINNT\System32\RPCRT4.dll
      D:\WINNT\System32\SHLWAPI.dll
        D:\WINNT\System32\msvcrt.dll
      D:\WINNT\System32\COMCTL32.dll

test_dll.dll is actually .\cygl.dll

>Brian Ford wrote:
> > There will be no ouput unless main calls foo, right?
>
> Actually, if the DLL was loaded, there should be output even if foo isn't
> called...
>
Just linking to it causes a load, or is it the first referance?  I'm a DLL
dunce.

> > Then, I still get a hang under setup from explorer; no output.
>
> This could be because the DLL was not loaded, or because of the two stdio
> conflicts...  Did you compile the DLL with -mno-cygwin?
>
No.  I guess you wanted me too? :)

> > Stand alone in a shell, output is:
> >
> > DLL loaded: process attach
> > DLL loaded: thread attach
> > Segmentation fault (core dumped)
> >
> > The SEGV is expected given the code is invalid anyway.
> >
> > Nothing to see here... move along...
> > [snip test_dll.c]
>
> Hmm.  Maybe if the DLL has exported global variables, not just functions?
> I'll see if I can come up with the appropriate code and will then post it
> to the list.
>
Not following, but ok.

-- 
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444

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