I believe fork is very expensive in terms of performance.
One should consider that in the case of server modules (ISAPI in
particular) a huge overhead is incurred when forking. I better
alternative would be the vfork call. Or better still, the __clone call.

Do you know of any ways to implement this without changes to the php
codebase itself? I doubt it is possible for an just extension to do
this, it need the php core to support this.

Stephano Mariani

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Rouvas Stathis
Sent: Friday, 21 December 2001 1:21
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: [PHP] Suggestions for the next php


Manuel Lemos wrote:
> 
> > > For example, multi-threading. Looking at the PHP sources, I can 
> > > see this would be fairly easy to implement on some most server 
> > > modules. Before I get fried by people for suggesting this, I know 
> > > there are many functions that are not thread safe, such the ob_* 
> > > functions. But as far as I can see threading would be well suited 
> > > to some PHP tasks...
> 
> You can use the pcntl extension if you are using any (fork capable) 
> Unix.

Can you elaborate on the "pcntl extension", please?
What is it?
How do you use it?

Thank you,
-Stathis.

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