<Sound Dev> Stuck thread when closing midi device

David Schumann david at dev-core.org
Tue Aug 25 14:32:22 UTC 2020

I was able to find the root cause of the issue:
When closing the device, the listening thread is not notified via the
signal condition variable.
Instead the condition is simply destroyed, causing the thread to be stuck

Attached is a very simple diff which fixes the problem by notifying the
thread before destroying the condition.
Please let me know if you have any questions.
I would highly appreciate it if someone can sponsor the bug.

Best regards,
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