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Bug 633566 - Prevent the timer to be eaten alive by the GC. r=bz a=tests

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This commit is contained in:
Mounir Lamouri 2011-03-10 16:26:30 +01:00
parent 73dcf9ff90
commit a69b1f71d9
1 changed files with 20 additions and 10 deletions
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30
layout/reftests/backgrounds/delay-image-response.sjs
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@ -25,6 +25,12 @@ const IMAGE_DATA =
0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82,
];
/**
* The timer is needed when a delay is set. We need it to be out of the method
* so it is not eaten alive by the GC.
*/
var timer;
function handleRequest(request, response) {
var query = {};
request.queryString.split('&').forEach(function (val) {
@ -40,16 +46,20 @@ function handleRequest(request, response) {
stream.writeByteArray(IMAGE_DATA, IMAGE_DATA.length);
}
if ("delay" in query) {
response.processAsync();
const nsITimer = Components.interfaces.nsITimer;
var timer = Components.classes["@mozilla.org/timer;1"].createInstance(nsITimer);
timer.initWithCallback(function() {
imageWrite();
response.finish();
}, query["delay"], nsITimer.TYPE_ONE_SHOT);
} else {
// If there is no delay, we write the image and leave.
if (!("delay" in query)) {
imageWrite();
return;
}
// If there is a delay, we create a timer which, when it fires, will write
// image and leave.
response.processAsync();
const nsITimer = Components.interfaces.nsITimer;
timer = Components.classes["@mozilla.org/timer;1"].createInstance(nsITimer);
timer.initWithCallback(function() {
imageWrite();
response.finish();
}, query["delay"], nsITimer.TYPE_ONE_SHOT);
}