From: Hal Fulton <hal9000@...>
Date: 2004-07-29T22:46:05+09:00
Subject: Re: IO issues: forking, select, and duplexing

Yukihiro Matsumoto wrote:
> 
> If your IO-like object contains a reference to a real IO object that
> can be a target of select, you can call select on the IO-like object
> by just adding "to_io" method that returns real IO object.

That is very interesting. I don't think I can do this easily (as the
code is from a third party), but I'll look at it.

> |So I thought: Well, I'll fork a TCPServer.
> 
> If you really need full duplex IO object using fork, how about using
> "open" instead of TCPServer:
> 
>   open("|-", "w+") do
>      # the code to copy from STDIN to IO-like
>      # and from IO-like to STDOUT
>   end

This is also very interesting. I will try this soon.


Thanks,
Hal