Io_uring is not an event system (2021) (despairlabs.com)

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>io_uring is not an event system at all. io_uring is actually a generic asynchronous syscall facility.

It's not an event system at all! It's an event system!

The type of events being subset of all possible events in system does not make it not events system. Nor it being essentially a queue

I thought the main selling point was that you could tell the system "when you finally get this response, run this function on it"

"event system" is any mechanism where events (readiness, completion, signals, GUI messages) drive control flow, restricting "event system" to descriptor readiness exclusively is the author's personal framing, not exactly common parlance