poll is a POSIX system call to wait for one or more file descriptors to become ready for use.
On *BSD and macOS, it has been largely superseded by kqueue in high performance applications. On Linux, it has been superseded by ppoll and epoll.
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See also
- Computer programming portal
- Free and open-source software portal
External links
- poll – System Interfaces Reference, The Single UNIX Specification, Version 4 from The Open Group
- man-pages for poll(2) in FreeBSD, NetBSD, OpenBSD and DragonFly BSD
References
Charles M. Hannum; The NetBSD Foundation, Inc. (1998). "poll, pollts — synchronous I/O multiplexing". BSD Cross Reference. NetBSD. /wiki/NetBSD ↩
"Connection processing methods". nginx.org. http://nginx.org/en/docs/events.html ↩
"Connection processing methods". nginx.org. http://nginx.org/en/docs/events.html ↩