From: Eleanor McHugh <eleanor@...>
Date: 2009-11-12T08:44:55+09:00
Subject: Re: forking behaves differently when using apache

On 11 Nov 2009, at 23:37, Nick Brown wrote:
> I want a CGI script to fire off another process and continue executing
> (or even terminate) without waiting for the process to finish. I wrote
> this:
>
> #!/usr/bin/ruby
> require 'cgi'
> c = CGI.new
> fork do sleep 5 end
> c.out {"hello!\n"}
>
> When I execute that from the command line, it IMMEDIATELY prints
> "Content-Type...hello!" and exits. When I run it on Apache and  
> access it
> from my browser, on the other hand, it PAUSES for five seconds, THEN
> displays "hello!".
>
> What's going on? Why does it behave differently with Apache?
>
> I am using Apache/2.2.12 (Ubuntu) with ruby 1.8.7 (2009-06-12  
> patchlevel
> 174) [x86_64-linux].
>
> Thanks in advance...

Do you have Apache configured to use preforked workers or to use  
threads?


Ellie

Eleanor McHugh
Games With Brains
http://slides.games-with-brains.net
----
raise ArgumentError unless @reality.responds_to? :reason