From: "Iñaki Baz Castillo" <ibc@...>
Date: 2008-03-27T23:38:07+09:00
Subject: Re: "loop do IO.select([io], nil, nil)" eats 95% of CPU, any other way?

2008/3/27, Marcelo <marcelo.magallon@gmail.com>:

>  >  So I don't know why but using GServer the main loop runs all the time
>  >  while witout using GServer it doesn't occur ¿?
>
>
>  Because...
>
>
>  >  >         def serve(io)
>  >  >
>  >  >                 puts "------------ serve(io) -------------"
>  >  >                 loop do
>  >  >                         p "-- second loop --"
>  >  >
>  >  >                         ready, = select([io], nil, nil, nil).first
>
>
>  This will block if there's no data available but the file descriptor
>   hasn't reached EOF.

It was a failure of me, since my code is based in a chat server
example I found in a web. Using GServer is not needed at all to use
"select".




>  Note that GServer.start will spawn a new thread, which handles all the
>   incoming connections.  It will spawn a new thread for each new
>   connection, so your "serve" method has to handle it and then exit, it
>   doesn't make sense for it to keep lingering around after the client has
>   gone away.
>
>   You can also replace your main loop by server.join.

Great! I've used "server.join" instead of the loop and now the Ruby
process doesn't eat CPU  :)

Thanks a lot!

-- 
Iñaki Baz Castillo
<ibc@aliax.net>