From: Charles Oliver Nutter <charles.nutter@...>
Date: 2009-05-15T00:07:30+09:00
Subject: Re: JRuby 1.3.0 will include Nailgun

Brian Candler wrote:
> Brian Candler wrote:
>> I don't see in principle why it couldn't be done - I guess you just fork 
>> the process when a request comes in. The messy bit is passing the 
>> stdin/stdout/stderr file descriptors over a socket. And it could be 
>> called "railgun" :-)
> 
> It turns out all the messy passing of IO objects is already included in 
> the Ruby standard socket library, so without further ado, here's a 
> working proof-of-concept :-) Tested under ruby 1.8.6p111

This is essentially the magic behind Passenger, which also manages the 
child processes and balances requests across them. So yeah, it's doable 
and not too peculiar.

- Charlie