    # File lib/phusion_passenger/platform_info/ruby.rb, line 100
            def self.ruby_supports_fork?
                    # MRI >= 1.9.2's respond_to? returns false for methods
                    # that are not implemented.
                    return Process.respond_to?(:fork) &&
                            RUBY_ENGINE != "jruby" &&
                            RUBY_ENGINE != "macruby" &&
                            rb_config['target_os'] !~ /mswin|windows|mingw/
            end