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From: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: Michael Kerrisk
	<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] socket.7: Add info about SO_BINDTODEVICE being readable
Date: Tue, 19 Feb 2013 20:52:52 +0400	[thread overview]
Message-ID: <5123ADE4.4040604@parallels.com> (raw)

The sockoption in question can be getsockopt-ed since kernel 3.8.
Mention this fact in the respective section of socket(7) page.

Signed-off-by: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>

---

diff --git a/man7/socket.7 b/man7/socket.7
index 32ec131..2f915da 100644
--- a/man7/socket.7
+++ b/man7/socket.7
@@ -308,6 +308,14 @@ sockets.
 It is not supported for packet sockets (use normal
 .BR bind (2)
 there).
+
+This option is available for getting since Linux 3.8. The option
+length should contain the buffer size to receive the device name
+and is recommended to be
+.BR IFNAMSZ
+bytes. The real device name length is reported back in the option
+length argument.
+
 .TP
 .B SO_BROADCAST
 Set or get the broadcast flag.
--
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             reply	other threads:[~2013-02-19 16:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-19 16:52 Pavel Emelyanov [this message]
     [not found] ` <5123ADE4.4040604-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-02-28 14:08   ` [PATCH] socket.7: Add info about SO_BINDTODEVICE being readable Michael Kerrisk (man-pages)

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