[Webkit-unassigned] [Bug 173952] [GStreamer] Some layout tests issue "g_mutex_clear() called on uninitialised or locked mutex" and flaky crash in ~MediaPlayerPrivateGStreamerBase

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=173952

--- Comment #1 from Fujii Hironori <Hironori.Fujii at sony.com> ---
Created attachment 314122

  --> https://bugs.webkit.org/attachment.cgi?id=314122&action=review

WIP patch

I created a WIP patch.

* Lock m_sampleMutex at the beginning of signal handlers
* Lock m_sampleMutex while unregistering singnal handlers
* Change the mutex type of m_sampleMutex to GRecMutex

This WIP patch seems to solve the problem.
I'm not sure this is a right fix.

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