module Unixqueue_select:sig..end
class type sb_event_system =object..end
class select_based_event_system :unit ->sb_event_system
This the old Unix.select-based imeplementation of event systems
which was the default one until Ocamlnet-2.2.
val select_based_event_system : unit -> Unixqueue.event_systemCreate a new Unix.select-based event system