Thread.critical = true : critical « Threads « Ruby

1. Ruby
2. Threads
3. critical

Thread.critical = true

x = 0
t1 = Thread.new do
  1.upto(1000) do
    Thread.critical = true
    x = x + 1
    Thread.critical = false
  end
end

t2 = Thread.new do
  1.upto(1000) do
    Thread.critical = true
    x = x + 1
    Thread.critical = false
  end
end

t1.join
t2.join
puts x

 

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