Re: Sync IO APIs in Shared Workers

Le 24/11/2013 02:23, Jonas Sicking a écrit :
>
> On Nov 23, 2013 2:04 PM, "David Bruant" <bruant.d@gmail.com 
> <mailto:bruant.d@gmail.com>> wrote:
> >
> > Le 22/11/2013 03:33, Jonas Sicking a écrit :
> >>
> >> We could enable sync IO APIs in workers while still allowing the
> >> worker thread to remain responsive to messages from the main thread.
> >> One solution is the API in [2]. Using that API the main thread can
> >> send a error-response to a sync request for IO before the IO has
> >> finished.
> >>
> >> [2] 
> http://lists.w3.org/Archives/Public/public-webapps/2013OctDec/0142.html
> >
> > I'm not sure I understand this proposal. If you allow messages from 
> main thread while waiting for I/O, aren't you re-introducing the same 
> complexities that sync APIs are expected to stay away from?
>
> No, because the main thread can always "return early" and not wait for 
> the result from the IO before sending a message.
>
And returning early cancels the I/O and the related pending message (and 
stack)?

David