    # File lib/phusion_passenger/standalone/config_file.rb, line 42
            def initialize(context, filename)
                    @options  = {}
                    @context  = context
                    @filename = filename
                    File.open(filename, 'r') do |f|
                            f.flock(File::LOCK_SH)
                            instance_eval(f.read, filename)
                    end
            end