everything is loaded when libphp is initialized, right? so the answer is -
depends on if libphp is initialized or not. and I already said when is it
copied from the memory, and when is it re-executed from the disk...
On Fri, 30 Jan 2004, ashish b\ wrote:
> what about the extension module ? is it reloaded?
> Regards
> Ashish
>
> shimi <[EMAIL PROTECTED]> wrote:
> On Thu, 29 Jan 2004, ashish b\ wrote:
>
> > Hello ,
> > I have Apache compiled for Prefork MPM and PHP as Loadable module
> > on Redhat LINUX 7.3.
> > 1. I have a PHP extension module which is added in the "extension=mymodule.so"
> > directive of php.ini.
> > 2. Now when Apache starts it will load the PHP module, which in turn will load the
> > PHP extension "mymodule.so". mymodule.so is in turn calling functions from another
> > library called "myfunctions.so" and is linked with it during compilation.So the
> > path of function calls is Apache -> libphp4.so -> mymodule.so -> myfunctions.so
> > 3. I have a "test.php" script which calls functions from the extension module.
> > 4. If I run the script paralelly from 200 browsers then new httpd processes will
> > be
> > spawned due to the load.
> > My question is that :
> > Will these newly created httpd processes reload the extension module mymodule.so
> > and myfunctions.so for themselves OR use the extension module which was loaded
> > during startup of the Apache server ? What will happen in case of CGI?
> > Thanks & Regards
> > Ashish
> >
>
> I believe prefork, as its name implies, uses the fork() system call to
> spawn child processes. That means that it is generation an EXACT copy of
> the calling process in the memory, and just resuming operation from the
> point fork() was called. Hence when forking, every child will be a
> completely identical copy of the original process, no matter what was
> loaded in the memory space.
>
> As per CGI, in CGI the PHP *interperter* is spawned (via execv() I guess)
> by apache, which means everything is reloaded back from the block device
> per every child process loaded (=slower...)
>
> I could be wrong, though :-)
>
> >
> >
> > ---------------------------------
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> > Yahoo! SiteBuilder - Free web site building tool. Try it!
>
>
--
Best regards,
Shimi
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