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Auto merge of #9688 - KiChjang:worker-terminate, r=jdm

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Implement Worker#terminate() (fixes #4427).

Adds support for terminating DOM workers. A closing flag was added to
WorkerGlobalScope per the spec.

Rebased #6652, with some comments addressed.
Fixes #4427.

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This commit is contained in:
bors-servo 2016-04-08 05:01:18 +05:30
commit c0aa049b0a
13 changed files with 216 additions and 47 deletions
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9
tests/html/worker/worker_post_block.js Normal file
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@ -0,0 +1,9 @@
var prev = Date.now()
for (var i=0; true; i++) {
if (i % 100000000 == 0) {
var now = Date.now();
postMessage(now - prev);
prev = now;
}
}

6
tests/html/worker/worker_post_interval.js Normal file
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@ -0,0 +1,6 @@
var prev = Date.now()
setInterval(function () {
var now = Date.now();
postMessage(now - prev);
prev = now;
}, 500);

48
tests/html/worker/worker_terminate.html Normal file
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@ -0,0 +1,48 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Worker Test</title>
</head>
<body>
<script>
var workerPath = (function () {
var workerType;
switch (window.location.search.match(/worker=(\w+)/)[1]) {
case 'block':
workerType = 'block';
break;
default:
workerType = 'interval';
break;
}
return './worker_post_' + workerType + '.js';
})();
function startWorker() {
window.w = new Worker(workerPath);
w.onmessage = function(m) {
var p = document.createElement('p');
p.innerHTML = JSON.stringify(m.data);
document.body.appendChild(p);
};
var ps = document.getElementsByTagName('p');
while (ps.length) {
document.body.removeChild(ps[0]);
}
}
function stopWorker() {
if (w) {
w.terminate();
}
window.w = null;
}
</script>
<button onclick="startWorker()">Start Worker</button>
<button onclick="stopWorker()">Stop Worker</button>
</body>
</html>

3
tests/wpt/metadata/html/dom/interfaces.html.ini
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@ -7458,9 +7458,6 @@
[SharedWorkerGlobalScope interface: attribute onconnect]
expected: FAIL
[Worker interface: operation terminate()]
expected: FAIL
[SharedWorker interface: existence and properties of interface object]
expected: FAIL

3
tests/wpt/metadata/workers/Worker_terminate_event_queue.htm.ini
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@ -1,3 +0,0 @@
[Worker_terminate_event_queue.htm]
type: testharness
disabled: too much output

5
tests/wpt/metadata/workers/constructors/Worker/terminate.html.ini
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@ -1,5 +0,0 @@
[terminate.html]
type: testharness
[terminate()]
expected: FAIL

9
tests/wpt/metadata/workers/nested_worker.worker.js.ini
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@ -1,9 +0,0 @@
[nested_worker.worker]
type: testharness
expected: TIMEOUT
[Nested worker]
expected: FAIL
[Checking contents for text file]
expected: FAIL