From 6001d9c2ebeea36253a3bdcf7fdcf998f2723d09 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Fri, 26 Jun 2015 14:33:33 +0800
Subject: [PATCH] raise error message from response function, See issue #295

---
 lualib/socketchannel.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lualib/socketchannel.lua b/lualib/socketchannel.lua
index 4b90193b..282e6283 100644
--- a/lualib/socketchannel.lua
+++ b/lualib/socketchannel.lua
@@ -303,7 +303,11 @@ local function wait_for_response(self, response)
 	self.__result_data[co] = nil
 
 	if result == socket_error then
-		error(socket_error)
+		if result_data then
+			error(result_data)
+		else
+			error(socket_error)
+		end
 	else
 		assert(result, result_data)
 		return result_data