in www/benchmarks/setImmediate.js [171:179]
attachTo.setImmediate = function () {
var handle = tasks.addFromSetImmediateArguments(arguments);
// Make `global` post a message to itself with the handle and identifying prefix, thus asynchronously
// invoking our onGlobalMessage listener above.
global.postMessage(MESSAGE_PREFIX + handle, "*");
return handle;
};