From: Marcin Tyman <m.tyman@...>
Date: 2007-06-30T04:42:32+09:00
Subject: Re: Threads issue.

Lionel Bouton wrote:
> Marcin Tyman wrote:
>>     end
>> while i<10
>>   i+=1
>>   puts "Main thread: #{Thread.current}"
>> end
>>
>> puts "myThread is not alive" if !myThread.alive?
>> Thread.pass       #####################################here is my
>> issue!!!!
>> myThread.run
>>   
> 
> Only an educated guess :
> myThread may not have stopped yet here. Strictly speaking, even
> Thread.pass can not guarantee it because the scheduler could decide to
> pass the control back to the "primary" thread before i == 40 in my().
> If you get a deadlock it probably means that Thread#run cannot be called
> on an already running Thread (which isn't really surprising but if true
> should be mentionned in its documentation).
> 
> If it works with either Thread.pass or Thread.stop in the Thread.new
> block uncommented my guess could very well be the actual source of your
> problem.
> 
> Lionel

Lionel,
It looks like the issue is in Thread#run which doesn't guarantee 
starting myThread before Thread#join. If i.e. myThread.pass is commented 
out and any time consuming loop is included before myThread.run 
everything works fine (without Thread#pass).

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