Optional callback. Called from an unknown thread that you should not use to call any soundio functions. You may use this to signal a condition variable to wake up. Called when ::soundio_wait_events would be woken up.
See Implementation
Optional callback. Called from an unknown thread that you should not use to call any soundio functions. You may use this to signal a condition variable to wake up. Called when ::soundio_wait_events would be woken up.