document SO_RTABLE; with suggestions and ok jmc, claudio

1 files changed, 11 insertions, 2 deletions

diff --git a/lib/libc/sys/getsockopt.2 b/lib/libc/sys/getsockopt.2
index a2ec874497e..ab671e8906b 100644
--- a/lib/libc/sys/getsockopt.2
+++ b/lib/libc/sys/getsockopt.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getsockopt.2,v 1.30 2011/04/22 11:59:26 bluhm Exp $
+.\"	$OpenBSD: getsockopt.2,v 1.31 2011/05/02 16:45:29 mikeb Exp $
 .\"	$NetBSD: getsockopt.2,v 1.7 1995/02/27 12:33:29 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getsockopt.2	8.3 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: April 22 2011 $
+.Dd $Mdocdate: May 2 2011 $
 .Dt GETSOCKOPT 2
 .Os
 .Sh NAME
@@ -150,6 +150,7 @@ and set with
 .It Dv SO_RCVTIMEO Ta "set timeout value for input"
 .It Dv SO_TIMESTAMP Ta "enables reception of a timestamp with datagrams"
 .It Dv SO_PEERCRED Ta "get the credentials from other side of connection"
+.It Dv SO_RTABLE Ta "set the routing domain"
 .It Dv SO_SPLICE Ta "splice two sockets together or get data length"
 .It Dv SO_TYPE Ta "get the type of the socket (get only)"
 .It Dv SO_ERROR Ta "get and clear error on the socket (get only)"
@@ -337,6 +338,14 @@ or
 .Xr connect 2
 were called.
 .Pp
+The
+.Dv SO_RTABLE
+option allows to get or set a routing domain.
+If a protocol family of the socket doesn't support routing domains,
+the
+.Er ENOPROTOOPT
+error is returned.
+.Pp
 .Dv SO_SPLICE
 can splice together two connected TCP sockets for zero-copy data
 transfers.