Introduce non-blocking event queue access #91
Merged
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So far we only offererd the blocking
Node::next_event
variant which would block the current thread until an event becomes available. However, non-blocking polling of the event queue is useful, it for example allows to handle events in single-threaded control flow environments.Here we add a simple non-blocking variant under the same name as previously and rename the previously existing method
wait_next_event
to highlight its blockiness.