    # File lib/phusion_passenger/plugin.rb, line 56
            def self.call_hook(name, *args, &block)
                    last_result = nil
                    if (hooks_list = @@hooks[name])
                            hooks_list.each do |callback|
                                    last_result = callback.call(*args, &block)
                            end
                    end
                    return last_result
            end