From c2888a85bc4b80f0c6cd0a63fbbb300ae42a1001 Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Fri, 28 Oct 2005 14:15:54 +0000
Subject: [PATCH] Belatedly document the NGM_KSOCKET_ACCEPT ("accept") control
 message.

---
 share/man/man4/ng_ksocket.4 | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/share/man/man4/ng_ksocket.4 b/share/man/man4/ng_ksocket.4
index 600a3888625..c61b1c2e3c6 100644
--- a/share/man/man4/ng_ksocket.4
+++ b/share/man/man4/ng_ksocket.4
@@ -34,7 +34,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 8, 2004
+.Dd October 28, 2005
 .Dt NG_KSOCKET 4
 .Os
 .Sh NAME
@@ -133,7 +133,21 @@ The
 .Vt "struct sockaddr"
 destination address parameter should be supplied as an argument.
 .It Dv NGM_KSOCKET_ACCEPT
-Currently unimplemented.
+Equivalent to the
+.Xr accept 2
+system call on a non-blocking socket.
+If there is a pending connection on the queue,
+a new socket and a corresponding cloned node are created.
+Returned are the cloned node's ID and a peer name (as
+.Vt "struct sockaddr" ) .
+If there are no pending connections,
+this control message returns nothing,
+and a connected node will receive the above message asynchronously,
+when a connection is established.
+.Pp
+A cloned node supports a single hook with an arbitrary name.
+If not connected, a node disappears when its parent node is destroyed.
+Once connected, it becomes an independent node.
 .It Dv NGM_KSOCKET_GETNAME
 Equivalent to the
 .Xr getsockname 2