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diff --git a/jni/ruby/lib/webrick/utils.rb b/jni/ruby/lib/webrick/utils.rb
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+#
+# utils.rb -- Miscellaneous utilities
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: utils.rb,v 1.10 2003/02/16 22:22:54 gotoyuzo Exp $
+
+require 'socket'
+require 'fcntl'
+require 'etc'
+
+module WEBrick
+  module Utils
+    ##
+    # Sets IO operations on +io+ to be non-blocking
+    def set_non_blocking(io)
+      flag = File::NONBLOCK
+      if defined?(Fcntl::F_GETFL)
+        flag |= io.fcntl(Fcntl::F_GETFL)
+      end
+      io.fcntl(Fcntl::F_SETFL, flag)
+    end
+    module_function :set_non_blocking
+
+    ##
+    # Sets the close on exec flag for +io+
+    def set_close_on_exec(io)
+      if defined?(Fcntl::FD_CLOEXEC)
+        io.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
+      end
+    end
+    module_function :set_close_on_exec
+
+    ##
+    # Changes the process's uid and gid to the ones of +user+
+    def su(user)
+      if pw = Etc.getpwnam(user)
+        Process::initgroups(user, pw.gid)
+        Process::Sys::setgid(pw.gid)
+        Process::Sys::setuid(pw.uid)
+      else
+        warn("WEBrick::Utils::su doesn't work on this platform")
+      end
+    end
+    module_function :su
+
+    ##
+    # The server hostname
+    def getservername
+      host = Socket::gethostname
+      begin
+        Socket::gethostbyname(host)[0]
+      rescue
+        host
+      end
+    end
+    module_function :getservername
+
+    ##
+    # Creates TCP server sockets bound to +address+:+port+ and returns them.
+    #
+    # It will create IPV4 and IPV6 sockets on all interfaces.
+    def create_listeners(address, port, logger=nil)
+      unless port
+        raise ArgumentError, "must specify port"
+      end
+      sockets = Socket.tcp_server_sockets(address, port)
+      sockets = sockets.map {|s|
+        s.autoclose = false
+        ts = TCPServer.for_fd(s.fileno)
+        s.close
+        ts
+      }
+      return sockets
+    end
+    module_function :create_listeners
+
+    ##
+    # Characters used to generate random strings
+    RAND_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
+                 "0123456789" +
+                 "abcdefghijklmnopqrstuvwxyz"
+
+    ##
+    # Generates a random string of length +len+
+    def random_string(len)
+      rand_max = RAND_CHARS.bytesize
+      ret = ""
+      len.times{ ret << RAND_CHARS[rand(rand_max)] }
+      ret
+    end
+    module_function :random_string
+
+    ###########
+
+    require "thread"
+    require "timeout"
+    require "singleton"
+
+    ##
+    # Class used to manage timeout handlers across multiple threads.
+    #
+    # Timeout handlers should be managed by using the class methods which are
+    # synchronized.
+    #
+    #   id = TimeoutHandler.register(10, Timeout::Error)
+    #   begin
+    #     sleep 20
+    #     puts 'foo'
+    #   ensure
+    #     TimeoutHandler.cancel(id)
+    #   end
+    #
+    # will raise Timeout::Error
+    #
+    #   id = TimeoutHandler.register(10, Timeout::Error)
+    #   begin
+    #     sleep 5
+    #     puts 'foo'
+    #   ensure
+    #     TimeoutHandler.cancel(id)
+    #   end
+    #
+    # will print 'foo'
+    #
+    class TimeoutHandler
+      include Singleton
+
+      class Thread < ::Thread; end
+
+      ##
+      # Mutex used to synchronize access across threads
+      TimeoutMutex = Mutex.new # :nodoc:
+
+      ##
+      # Registers a new timeout handler
+      #
+      # +time+:: Timeout in seconds
+      # +exception+:: Exception to raise when timeout elapsed
+      def TimeoutHandler.register(seconds, exception)
+        TimeoutMutex.synchronize{
+          instance.register(Thread.current, Time.now + seconds, exception)
+        }
+      end
+
+      ##
+      # Cancels the timeout handler +id+
+      def TimeoutHandler.cancel(id)
+        TimeoutMutex.synchronize{
+          instance.cancel(Thread.current, id)
+        }
+      end
+
+      ##
+      # Creates a new TimeoutHandler.  You should use ::register and ::cancel
+      # instead of creating the timeout handler directly.
+      def initialize
+        @timeout_info = Hash.new
+        Thread.start{
+          while true
+            now = Time.now
+            @timeout_info.keys.each{|thread|
+              ary = @timeout_info[thread]
+              next unless ary
+              ary.dup.each{|info|
+                time, exception = *info
+                interrupt(thread, info.object_id, exception) if time < now
+              }
+            }
+            sleep 0.5
+          end
+        }
+      end
+
+      ##
+      # Interrupts the timeout handler +id+ and raises +exception+
+      def interrupt(thread, id, exception)
+        TimeoutMutex.synchronize{
+          if cancel(thread, id) && thread.alive?
+            thread.raise(exception, "execution timeout")
+          end
+        }
+      end
+
+      ##
+      # Registers a new timeout handler
+      #
+      # +time+:: Timeout in seconds
+      # +exception+:: Exception to raise when timeout elapsed
+      def register(thread, time, exception)
+        @timeout_info[thread] ||= Array.new
+        @timeout_info[thread] << [time, exception]
+        return @timeout_info[thread].last.object_id
+      end
+
+      ##
+      # Cancels the timeout handler +id+
+      def cancel(thread, id)
+        if ary = @timeout_info[thread]
+          ary.delete_if{|info| info.object_id == id }
+          if ary.empty?
+            @timeout_info.delete(thread)
+          end
+          return true
+        end
+        return false
+      end
+    end
+
+    ##
+    # Executes the passed block and raises +exception+ if execution takes more
+    # than +seconds+.
+    #
+    # If +seconds+ is zero or nil, simply executes the block
+    def timeout(seconds, exception=Timeout::Error)
+      return yield if seconds.nil? or seconds.zero?
+      # raise ThreadError, "timeout within critical session" if Thread.critical
+      id = TimeoutHandler.register(seconds, exception)
+      begin
+        yield(seconds)
+      ensure
+        TimeoutHandler.cancel(id)
+      end
+    end
+    module_function :timeout
+  end
+end