Re: Using microtask checkpoints for resetting the slow script dialog timer

On 07/11/2013 01:43 AM, Bobby Holley wrote:
> On Wed, Jul 10, 2013 at 10:36 PM, Boris Zbarsky <[email protected]> wrote:
>
>> To the extent that the concept of "unwind the stack" is a bit
>> whack-a-mole, yeah.  I'm not saying it couldn't be better.  ;)
>
>
> Ok. Could we make this better by tying it to the 0<->1 transition in
> request depth on the runtime? That should more or less correspond with the
> first cx we push, which should give us a much more reliable answer.
>
>
>> But CallbackObject constructs an AutoMicroTask, right? So doesn't that lend
>> us to the same problem? Or is the idea that the 'checkpoint' only happens
>> when the microtask depth hits zero?
>>
>
> Yes, exactly.
>
>
> What are the situations where the stack completely unwinds but we don't
> spin the top-level event loop?

Event handling. If you have several event listeners, microtask check point is after each of those.

>
> bholley
>