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Fix deadlock in background translation thread shutdown (#7239)

TryDequeue checks for _disposed before taking the lock.  If another
thread calls Dispose before it takes the lock, it won't get woken up by
the PulseAll call, and will deadlock in Monitor.Wait.

Double-checking _disposed with the lock taken should avoid this.
This commit is contained in:
David McFarland 2024-08-27 10:10:24 -07:00 committed by GitHub
parent b45a81458a
commit 3c61d560c3
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@ -80,7 +80,10 @@ namespace ARMeilleure.Translation
return true; return true;
} }
Monitor.Wait(Sync); if (!_disposed)
{
Monitor.Wait(Sync);
}
} }
} }