## Generic-function: SB-BSD-SOCKETS:SOCKET-LISTEN [![package](https://img.shields.io/badge/Package-SB--BSD--SOCKETS-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Generic--Function-5f9ea0.svg?style=social&colorA=999999)](../#generic-function) > Mark SOCKET as willing to accept incoming connections. The > integer BACKLOG defines the maximum length that the queue of pending > connections may grow to before new connection attempts are refused. > See also listen(2) ### Lambda list ```cl (sb-bsd-sockets:socket sb-bsd-sockets::backlog) ```