What is the purpose of the user data associated with each file descriptor in epoll?

Jul 31, 2023 ... Onload User Guide (UG1586) ... The epoll set of functions, epoll_create() , epoll_ctl() , epoll_wait() , epoll_pwait() , are accelerated in the ... Oct 31, 2002 ... Re: Unifying epoll,aio,futexes etc. (What I really want from epoll). From: Rusty Russell ([email protected]) Dec 21, 2012 ... One straightforward way for I/O multiplexing is to have one process/thread for each connection, so that blocking in one connection does not affect others. In contrast to a voting system, EPBs' primary users are election workers and do not collect or tabulate cast vote records. EPBs were initially designed in an ... Feb 16, 2024 ... ... EPoll.wait(Native Method) 2024-02-16T12:44:20Z [email protected]/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:118) 2024-02 ... Jun 3, 2017 ... First way: select & poll. These 2 system calls are available on any Unix system, while epoll is Linux-specific. Here's basically how they work:. Feb 29, 2016 ... epoll() is an evolution of poll(), available only on Linux (select() and poll() with different naming are available on almost all other OS ... Mar 6, 2020 ... I/O multiplexing refers to the concept of processing multiple input/output events from a single event loop, with system calls like poll and select (Unix). The behavior that I can seeing is when I do a full read on an edge triggered fd, for some reason, it seems to be triggering an epollout event after each loop ... Sep 14, 2019 ... There are people on the internet claiming epoll to be very bad. Too complicated to use, slow and error prone. That's just wrong. Epoll is neither of those ...