Yes, because it's trivial to make an event based loop from a polling loop but not visa-versa. The difference is that an event based loop needs to give up contro

Yes, because it's trivial to make an event based loop from a polling loop but not visa-versa. The difference is that an event based loop needs to give up control to the OS. A polling loop does not. So if you have a polling OS you just write few lines to emit your own loop event.