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On * BSD and macOS, it has been largely superseded by kqueue in high performance applications. [2] On Linux, it has been superseded by ppoll and epoll.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]
poll(2)
in FreeBSD, NetBSD, OpenBSD and DragonFly BSDpoll 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On * BSD and macOS, it has been largely superseded by kqueue in high performance applications. [2] On Linux, it has been superseded by ppoll and epoll.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]
poll(2)
in FreeBSD, NetBSD, OpenBSD and DragonFly BSD