SSH_LISTEN_BACKLOG
if (listen(sock, SSH_LISTEN_BACKLOG) == -1) {
sock = unix_listener(fwd->listen_path, SSH_LISTEN_BACKLOG,
if (listen(sock, SSH_LISTEN_BACKLOG) == -1) {
sock = unix_listener(auth_sock_name, SSH_LISTEN_BACKLOG, 0);
sock = unix_listener(socket_name, SSH_LISTEN_BACKLOG, 0);
if (listen(listen_sock, SSH_LISTEN_BACKLOG) == -1)