Hey internal:
There is also a problem we have been suffering from for a quite
long time, that is signal raised at OOM/Timeout when execution is in a
critical area will lead PHP crash or even more big troubles if it is
in shared memory.
You may still remember we disabled zend signal handlers before
PHP-5.4 was released because it doesn't work well as mod_apache. which
is described in #61083.
Zend signal is a good way to fix the problem, thus I did some
research then fixed zend signals(make it works with apache2handler),
committed in
https://github.com/php/php-src/commit/fd5a756ad44124ffa7e9a5810a31ff49e91708cf
And no obviously performance affects in reallife app(benched with
wordpress).
Next, We may do some further optimizationes based on that.
For now, I want to make zend signals handler enable by default
(in configure) for PHP7, or maybe totally removed the
--enable-zend-signals option? thus make zend_signal.c always be
compiled and linked.
Is there any concerns or objections on this?
thanks
--
Xinchen Hui
@Laruence
http://www.laruence.com/
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