From d4510f59738d28c60802e9145f0813c758fe143f Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 17 Jan 2009 15:40:30 +0000
Subject: rdoc update.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/raddrinfo.c | 4 ++++
 1 file changed, 4 insertions(+)

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

diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c
index 845bbe7f8e..f3ed2ca4a3 100644
--- a/ext/socket/raddrinfo.c
+++ b/ext/socket/raddrinfo.c
@@ -1404,6 +1404,10 @@ addrinfo_unix_path(VALUE self)
  *
  * flags should be bitwise OR of Socket::AI_??? constants.
  *
+ * Note that socktype should be specified whenever application knows the usage of the address.
+ * Some platform causes an error when socktype is ommitted and servname is specified as an integer
+ * because some port numbers, 512 for example, are ambiguous without socktype.
+ *
  *   AddrInfo.getaddrinfo("www.kame.net", 80, nil, :STREAM)
  *   #=> [#<AddrInfo: 203.178.141.194:80 TCP (www.kame.net:80)>,
  *   #    #<AddrInfo: [2001:200:0:8002:203:47ff:fea5:3085]:80 TCP (www.kame.net:80)>]
-- 
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