Poll (Unix)

poll is a POSIX system call to wait for one or more file descriptors to become ready for use.¹

On the BSD descendants and macOS, it has been largely superseded by kqueue in high performance applications.² On Linux, it has been superseded by ppoll and epoll.²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.
"Connection processing methods". nginx.org.

External links

poll – System Interfaces Reference, The Single UNIX Specification, Version 5 from The Open Group
man-pages for poll(2) in FreeBSD, NetBSD, OpenBSD and DragonFly BSD

[n-1] Charles M. Hannum; The NetBSD Foundation, Inc. (1998). "poll, pollts — synchronous I/O multiplexing". BSD Cross Reference. NetBSD.

[nginx-2] "Connection processing methods". nginx.org.

1

2

See also

References

External links