diff --git a/index.html b/index.html
index 902b4e23..d6b39d18 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
+
diff --git a/threads.js b/threads.js
index d5cf0df8..7e165e4c 100644
--- a/threads.js
+++ b/threads.js
@@ -6,7 +6,6 @@
var Threads = function() {
this.threads = [];
this.empty = [];
- this.ready = [];
var mainThread = new Thread("main");
this.add(mainThread);
this.current = mainThread;
@@ -37,16 +36,3 @@ Threads.prototype.count = function() {
Threads.prototype.getThread = function(pid) {
return this.threads[pid];
}
-
-Threads.prototype.yield = function(frame) {
- if (this.ready.length) {
- this.current.frame = frame;
- this.ready.unshift(this.current);
- this.current = this.ready[this.ready.length - 1];
- }
- window.postMessage(null, "*");
-}
-
-Threads.prototype.resume = function() {
- VM.resume(this.current.frame);
-}
diff --git a/timer.js b/timer.js
new file mode 100644
index 00000000..b24a58a0
--- /dev/null
+++ b/timer.js
@@ -0,0 +1,34 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+// Only add setZeroTimeout to the window object, and hide everything
+// else in a closure.
+(function() {
+ var timeouts = [];
+ var messageName = "zero-timeout-message";
+
+ // Like setTimeout, but only takes a function argument. There's
+ // no time argument (always zero) and no arguments (you have to
+ // use a closure).
+ function setZeroTimeout(fn) {
+ timeouts.push(fn);
+ window.postMessage(messageName, "*");
+ }
+
+ function handleMessage(event) {
+ if (event.source == window && event.data == messageName) {
+ event.stopPropagation();
+ if (timeouts.length > 0) {
+ var fn = timeouts.shift();
+ fn();
+ }
+ }
+ }
+
+ window.addEventListener("message", handleMessage, true);
+
+ // Add the one thing we want added to the window object.
+ window.setZeroTimeout = setZeroTimeout;
+})();