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Re: PQtrace doesn't work

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Daniel Verite wrote:
> 	Bruce Momjian wrote:
> 
> > Is there a problem with a DLL writing to a file descriptor opened by
> > application code?  I would think not, but perhaps.
> 
> After some more testing, I've found out that it works only if the
> application code uses the shared version of the C library
> (msvcrt.dll)
> That means compiling with the /MD or /MDd options, or in
> the GUI, selecting in the project settings,
> C/C++ -> Code Generation -> Use runtime library -> Multithread DLL
> (or Debug Multithreaded DLL)
> That's apparently not the default when creating a new application
> with Visual Studio.
> 
> libpq.dll must also having been compiled with /MD as well, but
> that should be the case unless the OP changed that himself
> in libpq/win32.mak

Yep, library version mismatch --- now documented.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@xxxxxxxxxxxxxxxx               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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