On Wed, Jul 4, 2018 at 11:32 AM, Christoph M. Becker <cmbecke...@gmx.de>
wrote:

> On 04.07.2018 at 01:16, Jan Ehrhardt wrote:
>
> > Another one: some extensioms suffer from the fact that the macro GC_G
> > was removed from
> > https://github.com/php/php-src/blob/master/Zend/zend_gc.h
> > Some of the removed functionality has been reintroduced in gc_status
> > https://github.com/php/php-src/commits/master/Zend/zend_gc.h
> >
> > Examples using GC_G: v8js, xdebug, tideways.
> > v8js was using gc_active to check if garbage collection was running.
> > I did a wild guess to fix it:
> > https://github.com/Jan-E/v8js/commit/997df065d3cd06a9b11e399458c391
> eb797a850e#diff-dc446a69201ccda44a33d111152f6c8c
>
> This looks wrong, since zend_gc_collect_cycles() actually triggers the
> GC, if I'm not mistaken.
>
> It seems to me that should be something like:
>
>   zend_gc_status status;
>   zend_gc_get_status(&status);
>   if (status.runs) {
>

The correct way to handle this is to implement a proper get_gc() handler,
which will be called in favor of get_properties() during GC.

Nikita

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