events: implement EventEmitter#getMaxListeners()

Fixes https://github.com/joyent/node/issues/8237.

PR-URL: https://github.com/iojs/io.js/pull/82
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 8 insertions, 7 deletions

diff --git a/lib/events.js b/lib/events.js
index f8c651feac..3ee16791dd 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -67,6 +67,13 @@ EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
   return this;
 };
 
+EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
+  if (!util.isUndefined(this._maxListeners))
+    return this._maxListeners;
+  else
+    return EventEmitter.defaultMaxListeners;
+};
+
 EventEmitter.prototype.emit = function emit(type) {
   var er, handler, len, args, i, listeners;
 
@@ -165,13 +172,7 @@ EventEmitter.prototype.addListener = function addListener(type, listener) {
 
   // Check for listener leak
   if (util.isObject(this._events[type]) && !this._events[type].warned) {
-    var m;
-    if (!util.isUndefined(this._maxListeners)) {
-      m = this._maxListeners;
-    } else {
-      m = EventEmitter.defaultMaxListeners;
-    }
-
+    var m = this.getMaxListeners();
     if (m && m > 0 && this._events[type].length > m) {
       this._events[type].warned = true;
       console.error('(node) warning: possible EventEmitter memory ' +