poll (Unix)
poll is a POSIX system call to wait for one or more file descriptors to become ready for use.[1]
On *BSD and macOS, it has been largely superseded by kqueue in high performance applications.[2] On Linux, it has been superseded by ppoll and epoll.[2]
References
- Charles M. Hannum; The NetBSD Foundation, Inc. (1998). "poll, pollts — synchronous I/O multiplexing". BSD Cross Reference. NetBSD. Lay summary.
- "Connection processing methods". nginx.org.
External links
- – System Interfaces Reference, The Single UNIX Specification, Issue 7 from The Open Group
- man-pages for
poll(2)in FreeBSD, NetBSD, OpenBSD and DragonFly BSD
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