epoll might not be, but poll is (depending on how one would interpret 'classic'). Anyhow, I wrongly assumed the difference mattered in respect of whether one c

epoll might not be, but poll is (depending on how one would interpret 'classic'). Anyhow, I wrongly assumed the difference mattered in respect of whether one could use io_uring in combination with epoll(). It turns out, one can [1] or [2]. [1] https://stackoverflow.com/questions/70132802/waiting-for-epoll-and-io-uring-simultaneously https://stackoverflow.com/questions/70132802/waiting-for-epo... [2] https://unixism.net/loti/tutorial/register_eventfd.html https://unixism.net/loti/tutorial/register_eventfd.html