timers: fix memory leak in setTimeout

Closing handle is leaked when setTimeout called with arguments which are
1. a callback
2. zero delay
(i.e. setTimeout(function(){}, 0); )

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/timers.js b/lib/timers.js
index 39eb4d916..52f357f57 100644
--- a/lib/timers.js
+++ b/lib/timers.js
@@ -151,7 +151,10 @@ exports.setTimeout = function(callback, after) {
     timer = new Timer();
 
     if (arguments.length <= 2) {
-      timer._onTimeout = callback;
+      timer._onTimeout = function() {
+        callback();
+        timer.close();
+      }
     } else {
       var args = Array.prototype.slice.call(arguments, 2);
       timer._onTimeout = function() {