class direct_acceptor :?close_on_shutdown:bool -> ?preclose:unit -> unit -> Unix.file_descr -> Unixqueue.event_system ->
server_endpoint_acceptor
server_endpoint_acceptor
for sockets and Win32
named pipes. For sockets, the passed descriptor must be the master
socket. For Win32 named pipes, the passed descriptor must be the
proxy descriptor of the pipe server..