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Date: Sun, 8 Nov 2015 14:11:41 +0000
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To: =?UTF-8?Q?Fran=C3=A7ois_Laupretre?= <francois@php.net>
Cc: PHP internals <internals@lists.php.net>, Dmitry Stogov <dmitry@zend.com>
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Subject: Re: [PHP-DEV] PHP 7 : Cannot use stream wrappers during MINIT
From: pthreads@pthreads.org (Joe Watkins)

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It doesn't sound like what you are doing belongs in MINIT, it seems to
belong in RINIT.

MINIT is only for module setup with regard to zend (and other deps
perhaps), but you are preparing for the user, that's request stuff I think
...

Cheers
Joe


On Fri, Nov 6, 2015 at 12:08 AM, Fran=C3=A7ois Laupretre <francois@php.net>
wrote:

> Hi,
>
> First, I don't know if this must be considered as a bug, because a lot of
> features are not available during MINIT but it seems quite inconsistent. =
I
> precise I'm using the 7.x master branch (I don't know if it works on 5.x =
or
> not).
>
> I am writing an extension where I need to read a file tree during the
> MINIT phase. So, I am using php_stream_scandir() to read some directories=
.
> At this time, php_init_stream_wrappers() has run, so I consider stream
> wrappers are available.
>
> Unfortunately, this is not true because stream wrappers register resource=
s
> in EG(regular_list), which is not initialized before init_compiler() has
> run. If I call zend_hash_init(&(EG(regular_list))) before calling
> php_stream_scandir(), it seems to works. But it is not the solution becau=
se
> the hashtable is never destroyed and there are probably other side effect=
s.
> The same potentially applies to EG(persistent_list).
>
> So, does it mean that stream wrappers cannot be used during MINIT, or do
> you know a workaround ? I can revert to the C stdio library but, for
> portability reasons, I'd prefer using the plain wrapper. Every suggestion
> is welcome.
>
> Another suggestion to help detecting such issues : can we consider, in
> _zend_is_inconsistent(), that a HashTable whose nTableSize is null is
> inconsistent and raises an alert. An uninitialized HashTable generally is
> filled with 0s. Today, using an uninitialized HashTable goes undetected,
> even in debug mode (because HT_OK =3D=3D 0), and is very hard to track.
>
> Regards
>
> Fran=C3=A7ois
>
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