svn commit: r232820 - stable/8/lib/libc/sys
Konstantin Belousov
kib at FreeBSD.org
Sun Mar 11 09:29:03 UTC 2012
Author: kib
Date: Sun Mar 11 09:29:02 2012
New Revision: 232820
URL: http://svn.freebsd.org/changeset/base/232820
Log:
MFC r232180:
Document SO_PROTOCOL socket option.
Modified:
stable/8/lib/libc/sys/getsockopt.2
Directory Properties:
stable/8/lib/libc/ (props changed)
stable/8/lib/libc/sys/ (props changed)
Modified: stable/8/lib/libc/sys/getsockopt.2
==============================================================================
--- stable/8/lib/libc/sys/getsockopt.2 Sun Mar 11 09:27:09 2012 (r232819)
+++ stable/8/lib/libc/sys/getsockopt.2 Sun Mar 11 09:29:02 2012 (r232820)
@@ -28,7 +28,7 @@
.\" @(#)getsockopt.2 8.4 (Berkeley) 5/2/95
.\" $FreeBSD$
.\"
-.Dd November 21, 2011
+.Dd February 26, 2012
.Dt GETSOCKOPT 2
.Os
.Sh NAME
@@ -172,6 +172,8 @@ for the socket
.It Dv SO_BINTIME Ta "enables reception of a timestamp with datagrams"
.It Dv SO_ACCEPTCONN Ta "get listening status of the socket (get only)"
.It Dv SO_TYPE Ta "get the type of the socket (get only)"
+.It Dv SO_PROTOCOL Ta "get the protocol number for the socket (get only)"
+.It Dv SO_PROTOTYPE Ta "SunOS alias for the Linux SO_PROTOCOL (get only)"
.It Dv SO_ERROR Ta "get and clear error on the socket (get only)"
.It Dv SO_SETFIB Ta "set the associated FIB (routing table) for the socket (set only)"
.El
@@ -431,7 +433,10 @@ and for
.Ed
.Pp
.Dv SO_ACCEPTCONN ,
-.Dv SO_TYPE
+.Dv SO_TYPE ,
+.Dv SO_PROTOCOL
+(and its alias
+.Dv SO_PROTOTYPE )
and
.Dv SO_ERROR
are options used only with
@@ -445,6 +450,12 @@ system call was invoked on the socket.
returns the type of the socket, such as
.Dv SOCK_STREAM ;
it is useful for servers that inherit sockets on startup.
+.Dv SO_PROTOCOL
+returns the protocol number for the socket, for
+.Dv AF_INET
+and
+.Dv AF_INET6
+address families.
.Dv SO_ERROR
returns any pending error on the socket and clears
the error status.
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