[Bug 9479] WOW crashes when quitting

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=9479





--- Comment #7 from Misha Koshelev <mk144210 at bcm.tmc.edu>  2007-08-28 20:14:26 ---
Ok, thank you very much for the log. I believe I know what the problem is; just
in case, to confirm if someone could post a WINEDEBUG=+server,+wininet log
would be great.

Basically, the problem is this: on native, CloseHandle and InternetCloseHandle
have equivalent actions. However, on wine CloseHandle is handled in wineserver
(passed on from process -> ntdll -> wineserver), whereas InternetCloseHandle is
handled exclusively in wininet and in fact internet handles in wine are only
supported within this framework. 

A call to CloseHandle on a wininet handle would always have failed under wine,
but what my patch did was to change to the native behavior of sending the
INTERNET_STATUS_HANDLE_CLOSING when the handle was actually being freed, which
is
done on native (and is required for urlmon to not have a potential race on
freeing some objects). However, what this means is that the CloseHandle call 
never "registers" in the wininet handle references and thus the handle's
reference count never gets to 0, thus no INTERNET_STATUS_HANDLE_CLOSING is now
sent.

Ideally, the fix would be to handle wininet handles in the wineserver, but from
what I understand this would be a fairly significant task and would probably
require Alexandre's guidance if not help, and I am not sure I have time for a
project so extensive. However, I am open to any suggestions especially if
someone can think of a simpler "native" fix that is acceptable to the wine
tree.

Misha


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