1284 function setupListenHandle(address, port, addressType, backlog, fd, flags) {  argument
1285   debug('setupListenHandle', address, port, addressType, backlog, fd);
1328   const err = this._handle.listen(backlog || 511);
1370                          backlog, fd, exclusive, flags) {  argument
1379     server._listen2(address, port, addressType, backlog, fd, flags);
1406     server._listen2(address, port, addressType, backlog, fd, flags);
1455   let backlog;
1458     backlog = options.backlog || backlogFromArgs;
1461       lookupAndListen(this, options.port | 0, options.host, backlog,
1466                       backlog, undefined, options.exclusive);
1475     backlog = options.backlog || backlogFromArgs;
1477                     backlog, undefined, options.exclusive);
1509 function lookupAndListen(self, port, address, backlog, exclusive, flags) {  argument
1517                       backlog, undefined, exclusive, flags);