AF_UNIX with SOCK_STREAM will behave like TCP, in that a "full" stream will block. See http://stackoverflow.com/questions/1478975/unix-domain-socket-is-there-su

AF_UNIX with SOCK_STREAM will behave like TCP, in that a "full" stream will block. See http://stackoverflow.com/questions/1478975/unix-domain-socket-is-there-such-a-thing-as-a-busy-signal http://stackoverflow.com/questions/1478975/unix-domain-socke..., for example.