# File lib/spring/application.rb, line 9
    def initialize(manager, original_env, spring_env = Env.new)
      @manager      = manager
      @original_env = original_env
      @spring_env   = spring_env
      @mutex        = Mutex.new
      @waiting      = Set.new
      @preloaded    = false
      @state        = :initialized
      @interrupt    = IO.pipe
    end