notify_remote_exit(raw->frontend);
static int raw_closing(Plug plug, const char *error_msg, int error_code,		       int calling_back){    Raw raw = (Raw) plug;    if (raw->s) {        sk_close(raw->s);        raw->s = NULL;    }    if (error_msg) {	/* A socket error has occurred. */	logevent(raw->frontend, error_msg);	connection_fatal(raw->frontend, "%s", error_msg);    }				       /* Otherwise, the remote side closed the connection normally. */    return 0;}