From 9fde274e2174f63d3f50e38f2992b6019a106ec7 Mon Sep 17 00:00:00 2001
From: Waqas Hussain <waqas20@gmail.com>
Date: Wed, 30 Oct 2013 17:58:17 -0400
Subject: util.timer: Import all require upvalues.

---
 util/timer.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/util/timer.lua b/util/timer.lua
index 76deaff1..451e27d3 100644
--- a/util/timer.lua
+++ b/util/timer.lua
@@ -15,6 +15,9 @@ local get_time = require "socket".gettime;
 local t_insert = table.insert;
 local pairs = pairs;
 local type = type;
+local debug_traceback = debug.traceback;
+local tostring = tostring;
+local xpcall = xpcall;
 
 local data = {};
 local new_data = {};
@@ -87,7 +90,7 @@ local params = {};
 local next_time = nil;
 local _id, _callback, _now, _param;
 local function _call() return _callback(_now, _id, _param); end
-local function _traceback_handler(err) log("error", "Traceback[timer]: %s", traceback(tostring(err), 2)); end
+local function _traceback_handler(err) log("error", "Traceback[timer]: %s", debug_traceback(tostring(err), 2)); end
 local function _on_timer(now)
 	local peek;
 	while true do
-- 
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