From d6d9371d50e7e9ad8708e914b72fa755ce5a5385 Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Fri, 21 Oct 2011 17:51:34 +0200
Subject: kernel: Documented gen_sctp:peeloff/2

---
 lib/kernel/doc/src/gen_sctp.xml | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml
index b9f23674f0..418bfae4b8 100644
--- a/lib/kernel/doc/src/gen_sctp.xml
+++ b/lib/kernel/doc/src/gen_sctp.xml
@@ -45,7 +45,15 @@
       SUSE Linux Enterprise Server 10 (x86_64) kernel 2.6.16.27-0.6-smp,
       with lksctp-tools-1.0.6, briefly on Solaris 10, and later on
       SUSE Linux Enterprise Server 10 Service Pack 1 (x86_64)
-      kernel 2.6.16.54-0.2.3-smp with lksctp-tools-1.0.7.</p>
+      kernel 2.6.16.54-0.2.3-smp with lksctp-tools-1.0.7,
+      and later also on FreeBSD 8.2.
+    </p>
+    <p>
+      This module was written for one-to-many style sockets
+      (type <c>seqpacket</c>). With the addition of
+      <seealso marker="#peeloff/2">peeloff/2</seealso>, one-to-one style
+      sockets (type <c>stream</c>) were introduced.
+    </p>
     <p>Record definitions for the <c>gen_sctp</c> module can be found using:</p>
 <pre>  -include_lib("kernel/include/inet_sctp.hrl").    </pre>
     <p>These record definitions use the "new" spelling 'adaptation',
@@ -299,11 +307,39 @@
           is used. In particular, the socket is opened in 
           <seealso marker="#option-binary">binary</seealso> and
           <seealso marker="#option-active">passive</seealso> mode,
+	  with <anno>SockType</anno> <c>seqpacket</c>,
           and with reasonably large
           <seealso marker="#option-sndbuf">kernel</seealso> and driver
           <seealso marker="#option-buffer">buffers.</seealso></p>
       </desc>
     </func>
+    <func>
+      <name name="peeloff" arity="2"/>
+      <fsummary>
+	Peel off a type <c>stream</c> socket from a type <c>seqpacket</c> one
+      </fsummary>
+      <desc>
+	<p>
+	  Branch off an existing association <anno>Assoc</anno>
+	  in a socket <anno>Socket</anno> of type <c>seqpacket</c>
+	  (one-to-may style) into
+	  a new socket <anno>NewSocket</anno> of type <c>stream</c>
+	  (one-to-one style).
+	</p>
+	<p>
+	  The existing association argument <anno>Assoc</anno>
+	  can be either a
+	  <seealso marker="#record-sctp_assoc_change">
+	    #sctp_assoc_change{}
+	  </seealso>
+	  record as returned from e.g
+	  <seealso marker="#recv-2">recv/*</seealso>,
+	  <seealso marker="#connect-5">connect/*</seealso> or
+	  from a listening socket in active mode. Or it can be just
+	  the field <c>assoc_id</c> integer from such a record.
+	</p>
+      </desc>
+    </func>
     <func>
       <name name="recv" arity="1"/>
       <name name="recv" arity="2"/>
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