Hang in mshtml/tests/dom.c

Dan Kegel dank at kegel.com
Tue Jul 29 06:25:40 CDT 2008

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)) {

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?


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