[html5] Web Workers: terminate() and XMLHttpRequest

Dmitry Titov dimich at chromium.org
Tue Jul 27 11:40:30 PDT 2010

That would be a bug in the browser. Just as when a regular page is simply
closed, the termination of the worker releases the resources kept by the
worker, including XmlHttpRequests, Databases, etc. So yes, in this sense the
XHR is closed properly.

On Mon, Jul 26, 2010 at 11:47 PM, Tobias Sauerwein <
tobias.sauerwein at camptocamp.com> wrote:

> XMLHttpRequest has a "abort()" method [1], so maybe whatever this method
> does "closes the request properly"? I was just worried that the connection
> stays open after the web worker is terminated, and then after a while a kind
> of "max. open connections" limit is reached, so that I won't be able to make
> a new request. I don't know if there is such a limit.
> [1]: http://www.w3.org/TR/XMLHttpRequest/#the-abort-method
> On Mon, Jul 26, 2010 at 9:15 PM, Dmitry Titov <dimich at chromium.org> wrote:
>> What is "closed properly"? As far as implementation goes, Chromium for
>> example will drop the request at some point, asynchronously but quite close
>> to termination and discard any results, so it can be at any phase of
>> completion. A mechanism with more guarantees would definitely require an
>> explicit  spec language.
>> On Thu, Jul 22, 2010 at 7:11 AM, Tobias Sauerwein <
>> tobias.sauerwein at camptocamp.com> wrote:
>>> Hi!
>>> I am wondering what happens when I start an asynchronous XMLHttpRequest
>>> in a web worker and then terminate the web worker from the main script. Can
>>> I assume that the request is closed properly? Because the "terminate a
>>> worker algorithm" [1] does not explicitly say how to deal with open
>>> requests.
>>> Thanks,
>>> Tobias
>>> [1]:
>>> http://www.whatwg.org/specs/web-workers/current-work/#terminate-a-worker
>>> _______________________________________________
>>> Help mailing list
>>> Help at lists.whatwg.org
>>> http://lists.whatwg.org/listinfo.cgi/help-whatwg.org
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