# Module Unixqueue_select

    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_system

Create a new `Unix.select`-based event system