# maillist.kai@[...].com / 2006-12-13 18:57:58 +0800:
>  On 12/13/06, Roman Neuhauser <neuhauser@[...].cz> wrote:
>  ># maillist.kai@[...].com / 2006-12-13 14:15:26 +0800:
>  >> 3. Take linux apache for example, if compiled as a apache module,
>  >> and using prefork threading model, for example, if I have 100
>  >> process, is that means I have 100 copy of PHP library local data(I
>  >> assume only one reentrant excutable image) in each process? compare
>  >> to a worker model, like 10 process and 10 threads in each one
>  >> process, should it make a difference that we only have 10 copy of
>  >> PHP library local data ?
>  >
>  >Practical concerns make your question moot: even if the basic
>  >distribution was all threadsafe, you're bound to hit a library that
>  >uses strtok(3) or strerror(3), or static variables. How much of the
>  >code you rely on is labelled by its authors as threadsafe?
>  
>  
>  So it is not a good idea to use worker and php module at the same
>  time, but if no threadsafe problem , maybe my thinking is right?

vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
>  Btw, I thought strerror in libc were thread-safe.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

In a touch of genius, you summed up the whole thread-safety problem
so succintly, it puts an end to the whole thread.

-- 
How many Vietnam vets does it take to screw in a light bulb?
You don't know, man.  You don't KNOW.
Cause you weren't THERE.             http://bash.org/?255991

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