[Bug 49679] Regression: deadlock in installer for VB6 enterprise edition

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49679

--- Comment #3 from Zebediah Figura  ---
(In reply to Nikolay Sivov from comment #2)
> One way to achieve presumably equivalent behaviour is with
> CoIncrementMTAUsage()/CoDecrementMTAUsage(). If that works it could be done
> for every returned IHolder not just once per dispenser.

The documentation for CoIncrementMTAUsage() states that it can't be called from
within DllMain, and will add the current thread to the MTA if not initialized.
Unless both statements are incorrect, that won't work.