* lib/webrick/utils.rb: use Socket.tcp_server_sockets to create server

sockets.
  fix [Bug #7100] https://bugs.ruby-lang.org/issues/7100
  reported by sho-h (Sho Hashimoto).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sat Mar  2 17:34:19 2013  Tanaka Akira  <akr@fsij.org>
+
+	* lib/webrick/utils.rb: use Socket.tcp_server_sockets to create server
+	  sockets.
+	  fix [Bug #7100] https://bugs.ruby-lang.org/issues/7100
+	  reported by sho-h (Sho Hashimoto).
+
 Sat Mar  2 02:45:00 2013  Zachary Scott  <zachary@zacharyscott.net>
 
 	* array.c: typo in comment patch by Nami-Doc [Github fixes #253]

lib/webrick/utils.rb

@@ -72,26 +72,11 @@ module WEBrick
       unless port
         raise ArgumentError, "must specify port"
       end
-      res = Socket::getaddrinfo(address, port,
-                                Socket::AF_UNSPEC,   # address family
-                                Socket::SOCK_STREAM, # socket type
-                                0,                   # protocol
-                                Socket::AI_PASSIVE)  # flag
-      last_error = nil
-      sockets = []
-      res.each{|ai|
-        begin
-          logger.debug("TCPServer.new(#{ai[3]}, #{port})") if logger
-          sock = TCPServer.new(ai[3], port)
-          port = sock.addr[1] if port == 0
-          Utils::set_close_on_exec(sock)
-          sockets << sock
-        rescue => ex
-          logger.warn("TCPServer Error: #{ex}") if logger
-          last_error  = ex
-        end
+      sockets = Socket.tcp_server_sockets(address, port)
+      sockets = sockets.map {|s|
+        s.autoclose = false
+        TCPServer.for_fd(s.fileno)
       }
-      raise last_error if sockets.empty?
       return sockets
     end
     module_function :create_listeners