poll (Unix)

Short description: System call

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On *BSD and macOS, it has been largely superseded by kqueue in high performance applications. On Linux, it has been superseded by ppoll and epoll.

See also

Note: This topic belongs to " Computer programming

" portal

• kqueue
• epoll
• inotify
• select

External links

• poll – 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