Revert 30152b4 because its test is not working some environment.

lib/webrick/server.rb

@@ -100,7 +100,7 @@ def initialize(config={}, default=Config::General)
       @logger.info("ruby #{rubyv}")
 
       @listeners = []
-      @shutdown_pipe = @config[:ShutdownPipe]
+      @shutdown_pipe = nil
       unless @config[:DoNotListen]
         raise ArgumentError, "Port must an integer" unless @config[:Port].to_s == @config[:Port].to_i.to_s
 

test/webrick/test_server.rb

@@ -161,33 +161,6 @@ def <<(msg)
     }
   end
 
-  def test_shutdown_pipe
-    loop_count = 0
-    server_threads = []
-    loop do
-      loop_count += 1
-      break if loop_count == 11
-
-      pipe = IO.pipe
-      server = WEBrick::GenericServer.new(
-        :ShutdownPipe => pipe,
-        :BindAddress => '0.0.0.0',
-        :Port => 0,
-        :Logger => WEBrick::Log.new([], WEBrick::BasicLog::WARN))
-      server_threads << Thread.start { server.start }
-      sleep 0.1 until server.status == :Running || !server_threads.last.status
-      begin
-        if server_threads.last.status
-          pipe.last.puts('')
-          break
-        end
-      rescue IOError
-        nil
-      end
-    end
-    assert_join_threads(server_threads)
-  end
-
   def test_port_numbers
     config = {
       :BindAddress => '0.0.0.0',