code: function(err, results) {
  
          if (!err) {
  
            self.sessionSubscriber = new SessionSubscriber(
              self.conf && self.conf.redis && self.conf.redis ? self.conf.redis : undefined,
              self.serverName,
              function(err) {
                if (!err) {
  
                  console.info(' (init) REDIS     is connected  (for pub/sub)');
                  console.info('        REDIS     is subscribed (C-' + self.serverName + ')');
  
                  self._startup(server, io);
  
                  if (cb) cb();
  
                } else {
                  console.error(err);
                  process.exit(1);
                }
              }
            );
  
          } else {
  
            for (var errNum in results) {
              if (results.hasOwnProperty(errNum) && results[errNum]) {
                console.error('  - ' + results[errNum] + '\n');
              }
            }
            process.exit(1);
          }
        }
docs: ASYNC ARRAY (END)