From: Sean O'Halpin <sean.ohalpin@...>
Date: 2011-10-16T06:02:04+09:00
Subject: Re: deadlock producer consumer

On Sat, Oct 15, 2011 at 9:52 PM, rubix Rubix <aggouni2002@yahoo.fr> wrote:
> thanks Sean,
>
> I have a version with PriorityQueue from algorithms gem to pop the item
> with the highest priority first but I had the problem of deadlock
> but I tried today before your post a version with two standard queue but
> it doesn't work too,
> I don't know why you add the lines :
> ---------------
> item[:consumer] += 1
> ----------------
> and

That's just to show that the producer and consumer threads are
processing the item as it gets passed back and forth.

> ----------------------
> # start things off
> producer_queue.push({ :producer => 0, :consumer => 0})
> # either will work
> #consumer_queue.push({ :producer => 0, :consumer => 0})
> ------------------------------

You need at least one item in either queue to get the ball rolling.

Regards,
Sean