# File lib/daemons/daemonize.rb, line 121
  def close_io()
    # Make sure all input/output streams are closed
    # Part I: close all IO objects (except for STDIN/STDOUT/STDERR)
    ObjectSpace.each_object(IO) do |io|
      unless [STDIN, STDOUT, STDERR].include?(io)
        begin
          unless io.closed?
            io.close
          end
        rescue ::Exception
        end
      end
    end
    
    # Make sure all input/output streams are closed
    # Part II: close all file decriptors (except for STDIN/STDOUT/STDERR)
    ios = Array.new(8192) {|i| IO.for_fd(i) rescue nil}.compact
    ios.each do |io|
      next if io.fileno < 3
      io.close
    end
  end