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Date: Wed, 11 Mar 2015 19:03:06 -0700
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To: PHP Internals <internals@lists.php.net>, Dmitry Stogov <dmitry@zend.com>, 
	Rasmus Lerdorf <rasmus@lerdorf.com>, Anatol Belski <ab@php.net>, Nikita Popov <nikita.ppv@gmail.com>, 
	Xinchen Hui <xinchen.h@zend.com>
Content-Type: multipart/alternative; boundary=047d7bdca298ed9e8805110dc8b6
Subject: Re: [PHP-DEV] Safe execution timeout handling
From: smalyshev@gmail.com (Stas Malyshev)

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Content-Type: text/plain; charset=UTF-8

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.

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