object
method add : Unix.file_descr -> Netsys_posix.poll_req_events -> unit
method cancel_wait : bool -> unit
method dispose : unit -> unit
method find : Unix.file_descr -> Netsys_posix.poll_req_events
method remove : Unix.file_descr -> unit
method wait :
float ->
(Unix.file_descr * Netsys_posix.poll_req_events *
Netsys_posix.poll_act_events)
list
end