From: Daniel DeLorme <dan-ml@...42.com>
Date: 2007-10-10T23:42:11+09:00
Subject: Re: Inter-Process Messaging

Markus Schirp wrote:
>> What are the possibilities in ruby for passing information from one 
>> process to another? Specifically, I'm thinking of messaging between a 
>> parent process and its forked child.
> 
> shared memory?

Is there a ruby lib to handle shared memory? Also, I can see how it can 
be used for "passing information", but for messaging between processes 
wouldn't it require constant polling to check if a message is waiting in 
the shared memory?

> I don't expect UNIXSocket to be unstable. I'm running over 2 years
> with using ruby's socket library without problems. Dont forget to
> remove the created socket if your process ends :)

I just vaguely remember reading in some mailing list or blog something 
along the lines that "unix domain sockets are flaky". I might have 
misunderstood.

Daniel