dosync test

dosync.rb

# https://github.com/daveray/familiar
require 'familiar'

class DoSyncTest
  def initialize()
    @my_ref = Familiar.ref 0
  end

  def test_threaded_refs
    threads = []
    4.times do |i|
      threads << Thread.new do
        Familiar.dosync do
          Familiar.alter @my_ref, Familiar[:inc]
        end
      end
    end

    threads.each { |t| t.join }
    puts "my_ref = #{@my_ref.deref}"
  end
end

DoSyncTest.new.test_threaded_refs