1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
<html>
<head>
<script src="worker_utils.js"></script>
</head>
<body>
<div id=result></div>
<script>
function log(message)
{
document.getElementById("result").innerHTML += message + "<br>";
}
var url = document.location.toString();
var num_workers = parseInt(url.substr(url.search("count=") + 6));
if (!num_workers) {
log("No count= parameter provided - test aborted");
} else {
for (var i = 0; i < num_workers ; ++i) {
createWorker(i);
}
// Create two extra workers - these should both be queued, and launched as a
// single instance when we shutdown a worker.
createWorker(num_workers);
createWorker(num_workers);
}
var workers_created = 0;
function createWorker(i) {
var worker = new SharedWorker("worker_common.js?id=" + i);
worker.port.postMessage("ping");
worker.port.onmessage = function() {
workers_created++;
log("worker " + i + " started");
if (workers_created == num_workers) {
// We've created all of our workers. Let's shut down the most recent one
// and see if we startup the queued worker.
log("Shutting down worker " + i);
worker.port.postMessage("close");
} else if (workers_created == (num_workers+2)) {
// created the last worker
log("SUCCESS: queued worker created");
onSuccess();
}
}
}
</script>
</body>
</html>
|
