[Bug 54785] New: ole32:compobj - test_CoWaitForMultipleHandles() sometimes does not receive WM_USER on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54785

            Bug ID: 54785
           Summary: ole32:compobj - test_CoWaitForMultipleHandles()
                    sometimes does not receive WM_USER on Windows
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ole32
          Assignee: wine-bugs(a)winehq.org
          Reporter: fgouget(a)codeweavers.com

ole32:compobj - test_CoWaitForMultipleHandles() sometimes does not receive
WM_USER on Windows. There are two places where this can happen:

compobj.c:2999: Test failed: expected message 1024, received none
and
compobj.c:3034: Test failed: expected message 1024, received none

See https://test.winehq.org/data/patterns.html#ole32:compobj

This failure impacts all Windows version but still only happens once every
other month on average:
* 2022-12-09 on fgtb-w10pro64-rx550-64
* 2023-01-24 on fgtb-w10pro64-rx550-64
* 2023-03-10 on w7u-pt-PT
* 2023-04-04 on w7u-de


* 2022-08-28 on w1064-tsign-32
  This is a slightly different case because compobj received an unexpected
WM_DEVICECHANGE message instead of no message:

compobj.c:3000: Test failed: unexpected message 537
compobj.c:3034: Test failed: expected message 1024, received 537 
compobj.c:3035: Test failed: unexpected message 1024

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[Bug 54785] ole32:compobj - test_CoWaitForMultipleHandles() sometimes does not receive WM_USER on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54785

François Gouget <fgouget(a)codeweavers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jacek(a)codeweavers.com
           Keywords|                            |source, testcase

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[Bug 54785] ole32:compobj - test_CoWaitForMultipleHandles() sometimes does not receive WM_USER on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54785

--- Comment #1 from François Gouget <fgouget(a)codeweavers.com> ---
Where  537 == WM_DEVICECHANGE ?
      1024 == WM_USER

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