From 652484598d802cd808b4b1fe4bef263b53e3119c Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 22 Mar 2010 09:45:57 +0000
Subject: update doc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/ancdata.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'ext/socket/ancdata.c')

diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index 11409aa834..0d3846056a 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1769,6 +1769,10 @@ rsock_bsock_recvmsg_nonblock(int argc, VALUE *argv, VALUE sock)
 
 /*
  * Document-class: ::Socket::AncillaryData
+ *
+ * Socket::AncillaryData represents the ancillary data (control information)
+ * used by sendmsg and recvmsg system call.
+ * It contains socket family, cmsg level, cmsg type and cmsg data.
  */
 void
 Init_ancdata(void)
-- 
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