From 9f0ba583d6ed8ed830cc2871d91d3339d36d36d7 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Sun, 24 Apr 2011 19:44:02 -0700
Subject: [PATCH] support for __cxa_atexit argument

---
 src/library.js  | 4 ++--
 src/preamble.js | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/library.js b/src/library.js
index c7fe551bf..b21062886 100644
--- a/src/library.js
+++ b/src/library.js
@@ -514,8 +514,8 @@ var Library = {
     throw 'exit(' + status + ') called, at ' + new Error().stack;
   },
 
-  atexit: function(func) {
-    __ATEXIT__.push(func);
+  atexit: function(func, arg) {
+    __ATEXIT__.push({ func: func, arg: arg });
   },
   __cxa_atexit: 'atexit',
 
diff --git a/src/preamble.js b/src/preamble.js
index 0232ff207..44f5c876f 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -287,11 +287,12 @@ function __initializeRuntime__() {
 
 function __shutdownRuntime__() {
   while( __ATEXIT__.length > 0) {
-    var func = __ATEXIT__.pop();
+    var atexit = __ATEXIT__.pop();
+    var func = atexit.func;
     if (typeof func === 'number') {
       func = FUNCTION_TABLE[func];
     }
-    func();
+    func(atexit.arg);
   }
 }