Hang in mshtml/tests/dom.c

[Jacek Caban]

Hi Dan,

Dan Kegel wrote:
> While running mshtml/tests/dom.c on a slow dual processor
> under valgrind, I got the following hang:
> ...
>   7 0x04b22c1c GetMessageA+0x60(msg=0x7f21fdc8, hwnd=0x0, first=0x0,
> last=0x0) [dlls/user32/message.c:2976] in user32 (0x7f21fda8)
>   8 0x04946eb1 run_domtest+0x91(str=0x495fab0, test=0x493daa4)
> [dlls/mshtml/tests/dom.c:2597] in mshtml_test (0x7f21fdf8)
>   9 0x0494711c func_dom+0x45() [dlls/mshtml/tests/dom.c:2652] in
> mshtml_test (0x7f21fe18)
> ...
>
> The offending GetMessage call is in the following loop in tests/dom.c:
>
>     while(!doc_complete && GetMessage(&msg, NULL, 0, 0)) {
>         TranslateMessage(&msg);
>         DispatchMessage(&msg);
>     }
>
> The doc_complete test has been in that file since the test was added;
> git blame says it was added by this commit:
>
> commit 1534267ba500156e7965fdc399247ca69eb7c014
> Author: Jacek Caban <jacek at codeweavers.com>
> Date:   Sun Jun 24 21:09:03 2007 +0200
>
>     mshtml: Added beginning DOM tests.
>
> Jacek, could you have a look and see if there's some obvious race you could fix?
>   

I know about this bug and it's not easy to fix (because it's hard to 
reproduce it). It's on my TODO list.


Jacek