Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/kern/uipc_socket.c,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/kern/uipc_socket.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.189
retrieving revision 1.190
diff -u -p -r1.189 -r1.190
--- src/sys/kern/uipc_socket.c	2009/04/30 20:41:33	1.189
+++ src/sys/kern/uipc_socket.c	2009/09/11 22:06:29	1.190
@@ -1,4 +1,4 @@
-/*	$NetBSD: uipc_socket.c,v 1.189 2009/04/30 20:41:33 ad Exp $	*/
+/*	$NetBSD: uipc_socket.c,v 1.190 2009/09/11 22:06:29 dyoung Exp $	*/
 
 /*-
  * Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -63,7 +63,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.189 2009/04/30 20:41:33 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.190 2009/09/11 22:06:29 dyoung Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_sock_counters.h"
@@ -555,6 +555,19 @@ fsocreate(int domain, struct socket **so
 }
 
 int
+sofamily(const struct socket *so)
+{
+	const struct protosw *pr;
+	const struct domain *dom;
+
+	if ((pr = so->so_proto) == NULL)
+		return AF_UNSPEC;
+	if ((dom = pr->pr_domain) == NULL)
+		return AF_UNSPEC;
+	return dom->dom_family;
+}
+
+int
 sobind(struct socket *so, struct mbuf *nam, struct lwp *l)
 {
 	int	error;