does Socket::SO_REUSEADDR work in ruby ?

output.txt

tcp        0      0 127.0.0.1:35648         127.0.0.1:9876          TIME_WAIT  
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  
retrying ...
tcp        0      0 127.0.0.1:35648         127.0.0.1:9876          TIME_WAIT  
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  
retrying ...
tcp        0      0 127.0.0.1:35648         127.0.0.1:9876          TIME_WAIT  
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  
retrying ...


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retrying ...
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  
retrying ...
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  
retrying ...
tcp        0      0 127.0.0.1:9876          127.0.0.1:35646         TIME_WAIT  

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retrying ...

retrying ...

retrying ...

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puma_server.rb

    def add_tcp_listener(host, port, optimize_for_latency=true, backlog=1024)
      s = TCPServer.new(host, port)
      if optimize_for_latency
        s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
      end
      #s.setsockopt(Socket::SOL_SOCKET, Socket::SO_REUSEADDR, true)
      #s.setsockopt(Socket::SOL_SOCKET, Socket::SO_REUSEADDR, 1)
      s.setsockopt(:SOCKET, :REUSEADDR, 1)
      s.listen backlog
      @ios << s
    end

start.rb

      @server = Puma::Server.new(app)
      loop do
        begin
          @server.add_tcp_listener('0.0.0.0', DEFAULT_PORT)
          break
        rescue Errno::EADDRINUSE => x
          puts `netstat -n | grep #{DEFAULT_PORT}` if debug?
          puts "retrying ..." if debug?
          sleep(1)
          retry
        end
      end