From: Eric Jacoboni <eric.jacoboni@...>
Date: 2008-02-21T06:51:18+09:00
Subject: Re: Ruby 1.9, threads and FreeBSD 5

Mental Guy wrote:

> Please note that you shouldn't ever use the sleep trick in
> production code -- it merely hides problems during testing
> when they can still occur under production load.

Oh yes, i know synchronization should never relies on temporisations...
In this case, it's useful to point the bug you mention in my use of 
#signal.

I've had wrote a general semaphore implementation using IO.pipe but your 
PortableSemaphore is way more elegant... thanks a lot (i just wonder if 
#up/#down honor the FIFO policy)

BTW, as for Queues : i admit i never use them.
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