Re: Safe execution timeout handling
| From: | Stas Malyshev | Date: | Thu, 12 Mar 2015 02:03:06 +0000 |
| Subject: | Re: Safe execution timeout handling | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-84607@lists.php.net to get a copy of this message | ||
On Mar 11, 2015 7:01 PM, "Stas Malyshev" <smalyshev@gmail.com> wrote:
>
> Hi!
>
> > Instead of throwing zend_error() from signal handler, now we just set
> > EG(vm_interrupt) and EG(timed_out) flags. PHP VM checks EG(vm_interrupt)
> > flag on each JMPx instruction (potential loop iteration) and then throws
>
> JMPs are not the only operations that can transfer control and thus
> potentially form a loop.
Oops, please ignore this, it was a draft sent accidentally.