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Date: Mon, 27 Feb 2012 13:58:09 +0100
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To: Richard Lynch <ceo@l-i-e.com>
Cc: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] pecl, zts, non-zts, fastcgi and Apache
From: jpauli@php.net (jpauli)

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PHP through mod_php on Linux should compile without ZTS.

configure script searches for apxs binary and tries to invoque "apxs -q
MPM" to figure out what MPM has been compiled in Apache for the TS flag to
be defined or not (thus, activating PHP ZTS, or not).

Mainly on Linux, Apache should have been installed with prefork MPM ans
"apxs -q" should return that, then configure should not define
PHP_BUILD_THREAD_SAFE.

Recently we had a bug with the new Apache 2.4 API where apxs doesn't answer
about the MPM configuration anymore, leading to a ZTS build by default.
This bug has now been fixed, was https://bugs.php.net/bug.php?id=61172.

I dont know anything about windows, sorry

Julien.Pauli

On Fri, Feb 24, 2012 at 10:04 PM, Richard Lynch <ceo@l-i-e.com> wrote:

> On Fri, February 24, 2012 1:52 pm, Tom Boutell wrote:
> > 2. Why does php turn on thread-safety for mod_php at all on Linux,
> > given that it apparently still doesn't work very well with various
> > extensions in a genuinely multithreaded situation, slows things down,
> > takes more memory, and leads to problems like this one?
>
> I can't recall who, but I have heard people who claim to run
> multi-threaded on Linux, but with a heck of a lot of stress testing,
> and a rigid control on minimal extensions added...
>
> So apparently *somebody* uses it.
>
> --
> brain cancer update:
> http://richardlynch.blogspot.com/search/label/brain%20tumor
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