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threads::shared - reading

• Locking the variables to read them:

      use threads::shared;
  
      {
          lock($g_remote_ip);
          lock($g_remote_port);
  
          # Copy global to thread-local variables
          ( $remote_ip, $remote_port ) =
            ( $g_remote_ip, $g_remote_port );
      }
  

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