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List:       apache-modules
Subject:    Re: [apache-modules] pthreads
From:       Stephan Bauer <stephan.bauer () ask-the-guru ! de>
Date:       2000-02-10 9:46:36
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Hi John,

We are using pthreads in our module Mod_Redundancy.
Using pthreads works fine on Solaris 2.6 (later
versions not yet tested, but most propably also OK),
and Linux with the latest glibc-2.1.2.

I suspect you are using an older one ?

There are some platform-notes available on our website, if
you need some more details for Linux.

Please see:
http://www.ask-the-guru.de/mod_redundancy/platform_notes.html
if you like.

Ciao,

Stephan
=========================================
Stephan Bauer
Ask-The-Guru Internet Solutions
stephan.bauer@ask-the-guru.de
=========================================
http://www.ask-the-guru.de 
The home of Mod_Redundancy...
The Apache-Module for High Availability !
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-------------------------------------------------------------------------
Greg Stein wrote:
Hey everybody: rather than asking "why" and saying "you should do it
<this> way", we could actually *answer* his question!

John: no, you can't use LinuxThreads with Apache. LinuxThreads uses
SIGUSR1, which Apache also uses. Because of the signal conflict, things
just won't work.

Cheers,
-g


On Tue, 8 Feb 2000, Alejandro Forero Cuervo wrote:

>     Is it possible to use pthreads (linux-threads) in a module? I've
>     tried but the server hangs.
> 
> Out of curiosity, why do you want to use pthreads?
> 
> You have to keep in mind that Apache consists of a pool of separate
> processes. If you create pthreads, you'll be able to share memory across
> a given process, but you'll still have many different processes, each
> with its own set of threads.
> 
> Have you considered other approaches such as having a separate process
> with all the threads communicating with your Apache module using a socket
> (like HB) or using shared memory instead of pthreads?
> 
> Alejo.
> http://bachue.com/alejo
> 
> --
> The mere formulation of a problem is far more essential than its solution.
>       -- Albert Einstein.
> 
> 
> --
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-- 
Greg Stein, http://www.lyra.org/

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