start_thread

# File lib/webrick/server.rb, line 171
    def start_thread(sock, &block)
      Thread.start{
        begin
          Thread.current[:WEBrickSocket] = sock
          begin
            addr = sock.peeraddr
            @logger.debug "accept: #{addr[3]}:#{addr[1]}"
          rescue SocketError
            @logger.debug "accept: <address unknown>"
            raise
          end
          call_callback(:AcceptCallback, sock)
          block ? block.call(sock) : run(sock)
        rescue Errno::ENOTCONN
          @logger.debug "Errno::ENOTCONN raised"
        rescue ServerError => ex
          msg = "#{ex.class}: #{ex.message}\n\t#{ex.backtrace[0]}"
          @logger.error msg
        rescue Exception => ex
          @logger.error ex
        ensure
          @tokens.push(nil)
          Thread.current[:WEBrickSocket] = nil
          if addr
            @logger.debug "close: #{addr[3]}:#{addr[1]}"
          else
            @logger.debug "close: <address unknown>"
          end
          sock.close
        end
      }
    end