From: Yohanes Santoso <ysantoso-rubytalk@...>
Date: 2005-12-17T11:06:26+09:00
Subject: Re: nonblocking TCPSocket in multithread software.

Arto Pastinen <arto.pastinen@gmail.com> writes:

> Hi!
>
> Why this blocks?
>
> a = Thread.new do
>   s = TCPSocket.new('localhost', 4343)
>   s.nonblock = true
>   p s.read # it block's here no matter what i do

I expect it to block. All IO's buffered I/O methods (puts, prints, read, write,
etc.) are blocking operations.

The utility of nonblock comes if you use unbuffered I/O methods:
sysread, syswrite, recv, send, etc.

YS.


> end
> a.join
>
> .. and how to make it nonblock?
>
> It works fine if i drive it in main thread.
>
> Thnx: Artsi