Re: PHP SAPI module help
| From: | 兰 肖鲁 | Date: | Thu, 20 Nov 2014 11:19:17 +0000 |
| Subject: | Re: PHP SAPI module help | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-79035@lists.php.net to get a copy of this message | ||
How about writing this logic in an extension? Because u can write your own RSHUTDOWN function to
protect your data.
sorry for my poor english.
--
lanxiaolu
在 2014年11月20日,下午6:30,Johannes Schlüter <johannes@schlueters.de> 写道:
> Hi,
>
> On Tue, 2014-11-18 at 18:08 +0400, Tigran Bayburtsyan wrote:
>> I need to execute PHP code in some thread of my application and continue
>> excecution in another. Is is possible to somehow get all global PHP core
>> hashtables from first thread and restore PHP from that point in another
>> thread using that hashtables with all generated variables and functions ?
>
> PHP works request base. Meaning the idea is to have isolated
> shared-nothing requests.
>
> PHP can run in two modes:
>
> 1. In a global environment, or
> 2. in a threaded environment
>
> this is controlled by enabling or disabling ZTS - zend thread safety /
> TSRM thread-safe resource manager. In the first case you have a global
> state running one "request" at a time, theoretically this single request
> context can be accessd by multiple threads while access has to be
> guarded by some mutex.
> In the second case you can have multiple requests which separate state.
> Each of those is bound to a (posix|windows) thread sharing a context in
> this mode between different threads can't be easily done and requires
> patching (in non-public code I once created worker threads owning the
> PHP request and different threads can signal there to bypass, but that's
> a mess).
>
> The probably most simple SAPI using different threads is my pconn SAPI:
> https://github.com/johannes/pconn-sapi
>
> Except for source we don't really have good documentation on all the
> details. So please try to go through different SAPIs and try to
> understand them. Specific questions are welcome on this list.
>
> johannes
>
>
>
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