From 894cb73887c106acc793f0317ee849ae215ead56 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Mon, 25 Oct 2010 22:15:47 +0000
Subject: reduce dependency on IO#write_nonblock

kgio_trywrite is superior if it is available.
---
 lib/rainbows/error.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'lib/rainbows/error.rb')

diff --git a/lib/rainbows/error.rb b/lib/rainbows/error.rb
index bdbfdc5..68cdec4 100644
--- a/lib/rainbows/error.rb
+++ b/lib/rainbows/error.rb
@@ -9,7 +9,13 @@ module Rainbows::Error
   # if the socket is already closed or broken.  We'll always ensure
   # the socket is closed at the end of this function
   def self.write(io, e)
-    msg = response(e) and io.write_nonblock(msg)
+    if msg = response(e)
+      if io.respond_to?(:kgio_trywrite)
+        io.kgio_trywrite(msg)
+      else
+        io.write_nonblock(msg)
+      end
+    end
     rescue
   end
 
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