Why getsockopt?

Posted May 25, 2018 4:54 UTC (Fri) by andresfreund (subscriber, #69562)
In reply to: Why getsockopt? by jklowden
Parent article: A reworked TCP zero-copy receive API

That doesn't work. The data doesn't just arrive while a recv() is ongoing, no? So either the data needs to be buffered somewhere, or you need state that lasts longer than a recv().