Hi all, I'm looking for an execution time-out feature as well.
It's sad to know v8 doesn't have a way to do that, because I can't let
any script to block my server.

I really hope this missing feature will be implemented very soon.

Cheers,
Kenji


On 7月23日, 下午4時18分, Mads Sig Ager <[email protected]> wrote:
> Hi Martin,
>
> you are not missing anything.  Currently, using a separate process
> that you can kill if your JavaScript enters an infinite loop or
> otherwise takes too much time is the only way to go.  We are
> considering adding a way of terminating V8 execution from the side
> (which would lead to throwing a thread termination exception which
> cannot be caught by JavaScript try catch handlers), but it is not
> there yet.
>
> Cheers,    -- Mads
>
>
>
> On Thu, Jul 23, 2009 at 10:12 AM, Martin Lemke<[email protected]> wrote:
>
> > I would like to monitor the execution of the script in v8,
> > interrupting it if the execution takes an excessive amount of time,
> > e.g. as a result of an endless loop. If you are familiar, SpiderMonkey
> > JS engine has JS_SetOperationCallback (JS_SetBranchCallback) API which
> > can be adopted for that purpose.
>
> > From what I learned about v8, the only way would be to run an instance
> > of the v8 interpreter in a separate process, monitor it externally and
> > terminate the process when I decide that the processing takes too much
> > time.
>
> > I hoped that SetCounterFunction and SetCreateHistogramFunction may
> > help but apparently they do not cover the execution stage, or at least
> > they do not produce anything if I am inside an endless loop which
> > doesn't affect the garbage collection.
>
> > Could be that I missed something? Is there a better way to monitor the
> > time of the execution and interrupt it when necessary?
>
> > Thanks,
> > Martin
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