# HG changeset patch
# User Waqas Hussain <waqas20@gmail.com>
# Date 1383170297 14400
# Node ID 11f14d44438e9d5c7517759776c35d33948b91a1
# Parent  95f1d5421fbcfba72bb36a8fd1c2269f83a82279
util.timer: Import all require upvalues.

diff -r 95f1d5421fbc -r 11f14d44438e util/timer.lua
--- a/util/timer.lua	Wed Oct 30 17:56:00 2013 -0400
+++ b/util/timer.lua	Wed Oct 30 17:58:17 2013 -0400
@@ -15,6 +15,9 @@
 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 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