# File src/ruby_supportlib/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