"Hacking" the event model of Nginx

Manlio Perillo manlio_perillo at libero.it
Sun Apr 13 13:07:50 MSD 2008

François Battail ha scritto:
> Manlio Perillo <manlio_perillo at ...> writes:
>> If you need "speed", try my WSGI module.
>> http://hg.mperillo.ath.cx/nginx/mod_wsgi/
> First, thanks a lot for your reply. Well, I believe Python is a great language
> but I will keep C (I was considering using assembly language!) because I will be
> able to have *zero copy* between my database buffers and my xml to xhtml
> translation, I already know where the bottleneck is and that's why I made this
> choice.


>> Give at look at:
>> http://hg.mperillo.ath.cx/nginx/mod_wsgi/file/tip/src/ngx_wsgi.c
>> row 850.
> Well, I'm not too sure it's relevant to my case but I will investigate in depth;
> thanks to share your knowledge.

What type of connection do you want to create?

>> Is my_http_worker in a separate thread?
>> Then this will not work, Nginx is not thread safe.
> Yes there are separate threads launched for each Nginx worker process, it's not
> an issue as a request is linked to a worker process, just a matter of mutex;
> nothing to scare me! 

The problem is with:

as far as I know it is not thread safe, unless you enable threads 
support in Nginx (but in current version it is broken).

> The mix using non preemptive model and worker thread is
> very interesting but not so easy to do.

What are you trying to do?

> Thanks for your kind reply,
> Best regards

Regards  Manlio Perillo

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