Re: [PATCH] Deprecate use of stdio
| From: | Sterling Hughes | Date: | Fri, 02 May 2003 14:18:40 +0000 |
| Subject: | Re: [PATCH] Deprecate use of stdio | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-1165@lists.php.net to get a copy of this message | ||
Just a note (didn't have time to review the patch, but I trust you :-),
that I'm +1 on the idea.
-Sterling
On Thu, 2003-05-01 at 19:04, Sascha Schumann wrote:
> The following patches are aimed at deprecating the use of
> stdio by the script lexer in PHP 4, because certain stdio
> libraries impose restrictive limits on the number of open
> handles*.
>
> The patches have been split functionally for the benefit of
> the reviewer.
>
> Patch 1 adds a stream interface which fills in a
> zend_file_handle. This is simply a modified copy of the
> open_as_file function.
>
> Patch 2 adds zend_open() which expects the implementation to
> fill in a zend_file_handle.
>
> Patch 3 makes PHP supply a zend_open implementation.
>
> Patch 4 modifies the lexer skeleton so that it can read using
> POSIX functions and stdio. It also makes
> open_file_for_scanning use zend_open.
>
> * Background: Even the most modern Solaris ships with a stdio
> library which cannot handle fds over 255. This severely
> limits any web server which may open more than 255 fds per
> process, because it won't be able to parse PHP scripts
> anymore.
>
> I've evaluated integrating sfio into the build process, but
> as it turns out, a full and complete integration would be a
> lot more complex than addressing the issue up-front.
>
> - Sascha
>
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