Re: LoadLibrary - Desctuctor.

"Tom Widmer [VC++ MVP]" <>
Thu, 16 Nov 2006 13:41:14 +0000
S??e wrote:

Yes, I have a global instance of an object in the EXE that in the ctor loads
another .dll that has a global instance on an object. This global instance in
the .dll iis deleted before the FreeLibrary is executed, which causes my
application to crash, since my global object in the EXE is using it in its

Global objects are destroyed in the reverse order of *completion* of
construction (essentially, the compiler inserts calls to
atexit(destructor) at the end of the constructor code for globals, and
atexit is LIFO). Your DLL global object is being constructed during the
LoadLibrary call, which is before the completion of your exe global
object's ctor, hence your DLL global is being destroyed before your exe

Workarounds include using a Phoenix singleton, or ensuring that the dll
is only loaded after the completion of your exe global object's ctor.

Finally, the best solution is to avoid using global objects (or even
singletons) at all.


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