# File lib/rubygame/joystick.rb, line 104
  def self.deactivate_all
    # Return right away if it isn't active
    return if( SDL.WasInit(SDL::INIT_JOYSTICK) == 0 )

    num_joysticks.times do |i|
      joy = SDL.JoystickOpen(i)
      unless( joy.pointer.nil? )
        SDL.JoystickClose( joy )
      end
    end

    return nil
  end