interest list of the epoll instance. • epoll_wait (2) waits for I/O events, blocking ... pipe. (3) A call to epoll_wait (2) is done that will returnsigwaitinfo (2). • File descriptor multiplexing interfaces: epoll_wait (2), epoll_pwait (2), poll (2), ppoll ... timeout ( SO_SNDTIMEO ) has been set. • epoll_wait (2), epoll_pwait…effect for select (2), poll (2), epoll_wait (2), and so on. SO_REUSEADDR Indicates