From: Roger Pack <rogerpack2005@...>
Date: 2008-04-30T06:15:02+09:00
Subject: Re: Managing a fork pool to handle tasks

google ruby forkoff [?]

On Tue, Apr 29, 2008 at 3:01 PM, Abdul-rahman Advany
<abdulrahman@advany.com> wrote:
> Hey guys,
>
>  I am doing some background processes in ruby, and I would like to use
>  forks. But I can't figure out how I can manage them.
>
>  - I want to create a pool of child processes (forks) running in the
>  background, limited on a number I specify
>  - Create them from a parent task but creation of new child processes
>  should be blocked untill one of the child processes in the pool is done
>  - I want to limit the time a child process can run (so it should quit
>  after x seconds)
>
>  I tried to use Threads but somehow when managing a pool of threads
>  doesn't work (they get stuck while doing stuff and don't die). I tried
>  to use the code below but somehow the pool fill's up and I keep waiting
>  for new threads to become available...
>
>  pool = ThreadPool.new(10) # up to 10 threads
>  pool.process do
>   timeout(4) do
>     fetch pages, parse stuff, enc...
>   end
>  end
>  --
>  Posted via http://www.ruby-forum.com/.
>
>