Are there any limits to the scalability of epoll in practice?

epoll is specific to Linux, as far as I can tell (http://en.wikipedia.org/wiki/Epoll), so you won't find it in Java other than under the hood, as EJP mentioned, ... Creates an epoll instance. Returns an fd for the new instance. The "size" parameter is a hint specifying the number of file descriptors to be associated with ... epoll looks useless except in the most controlled environments, as it doesn't duplicate state on fork as is done with the other fd-related resources. Oct 9, 2008 ... DaemonForums.org News Feedback and Suggestions FreeBSD FreeBSD General FreeBSD Ports and Packages FreeBSD Installation and Upgrading FreeBSD Security Aug 1, 2019 ... The epoll functionality provides a set of system calls that enables you to track I/O events on file handlers, networking connections, etc. Jun 2, 2019 ... It turns out that epoll is really hard to use, especially in multithreaded environments. So I write this post to document some pitfalls while using epoll. Oct 31, 2002 ... Re: Unifying epoll,aio,futexes etc. (What I really want from epoll). From: Rusty Russell ([email protected]) lib.rs : A rusty wrapper for Linux's epoll interface that is easy to use and hard to misuse. Create a new epoll instance with Epoll::new . Add any struct that ... The set of file descriptors that is being monitored via an epoll file descriptor can be viewed via the entry for the epoll file descriptor in the process's / ... struct epoll_event { uint32_t events; /* Epoll events */ epoll_data_t data;. /* User data variable */. }; A union is a data structure that can hold a single ...