From: Alex Zunega <israels_son@...>
Date: 2009-09-03T10:47:47+09:00
Subject: Threads - running something in background

Hey guys,

 I've been studying Ruby for some weeks now but when it comes to
threads, I know that I am totally unskilled.

I am trying to build a class which is able to keep updating itself every
X seconds after being initialized. In general terms it would work like
this:

----
class Threading_Test
  attr_accessor :i
  def initialize
    @i = 0
    @j = 0
    neverstop = false

    t1 = Thread.new do
            while neverstop == false do
              sleep 0.1 #here's the the problem.
              @i = @i + 1
            end
          end

    t1.run

    puts "I am ready and I keep updating myself. Or not..."
  end
end
----


The problem occurs when I try to add this "sleep 0.1" into the thread
block.  The thread only seems to become active when I ask for the @i
value.

I know that there might be other ways to implement that, but i think
that it would fit my code better that setting up a Cron task to do so.

Thank you all for the help.
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