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(svn r23749) -Fix: [Win32] Work around a possible deadlock when initialising threaded drawing.
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@@ -384,6 +384,10 @@ static void PaintWindowThread(void *)
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_draw_mutex->BeginCritical();
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_draw_mutex->SendSignal();
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/* Do our best to make sure the main thread is the one that
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* gets the signal, and not our wait below. */
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Sleep(0);
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/* Now wait for the first thing to draw! */
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_draw_mutex->WaitForSignal();
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