1 98667bd6 2023-12-19 op The ev module implements an event loop for files and signals.  There's
 2 98667bd6 2023-12-19 op an implicit global event loop accessible via the [[add]], [[del]],
 3 98667bd6 2023-12-19 op [[loop]] and [[loopbreak]] functions as well as the support for
 4 98667bd6 2023-12-19 op manually creating event loop via [[new]] and the methods returned.
 5 98667bd6 2023-12-19 op 
 6 98667bd6 2023-12-19 op Signals can be safely catched and the registered callback is called in
 7 98667bd6 2023-12-19 op the main code environment, and not in a signal context, so no special
 8 98667bd6 2023-12-19 op attention is needed.  At the moment, signals can only be handled as
 9 98667bd6 2023-12-19 op part of the implicit global event loop.
10 98667bd6 2023-12-19 op 
11 98667bd6 2023-12-19 op Caveats: if the event A deletes the event B, and the event B is
12 98667bd6 2023-12-19 op already pending, it can still be fired once.