From: James Edward Gray II <james@...>
Date: 2004-10-07T00:10:38+09:00
Subject: Re: Thinking about Threaded IO

On Oct 6, 2004, at 9:59 AM, Kevin McConnell wrote:

> Brian Candler wrote:
>
>> IO#read and IO#gets work properly; in other words Ruby wraps the calls
>> appropriately to make sure they never block the interpreter engine.
>
> Not sure if any of you use Windows, but it's probably worth pointing 
> out that on Windows IO#gets *does* block all threads.
>
> E.g. if I run the following:
>
>   thread = Thread.new { i=0; while(true); puts i+=1; sleep 1; end }
>   sleep 10
>   str = $stdin.gets
>   sleep 10
>
> It should display the numbers 1 to 10, and then go suspiciously quiet 
> until you provide the input to gets.  Once you do that, you'll get the 
> numbers 11 to 20.

It's that because you are calling gets() on STDIN here?  Would it 
behave the same if we were dealing with sockets instead?

James Edward Gray II