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29 lines
476 B
Ruby
29 lines
476 B
Ruby
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# two threads, two mutex, two condvar ping-pong
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require 'thread'
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m1 = Mutex.new
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m2 = Mutex.new
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cv1 = ConditionVariable.new
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cv2 = ConditionVariable.new
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max = 100000
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i = 0
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wait = nil
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m2.synchronize do
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wait = Thread.new do
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m1.synchronize do
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m2.synchronize { cv2.signal }
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while (i += 1) < max
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cv1.wait(m1)
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cv2.signal
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end
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end
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end
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cv2.wait(m2)
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end
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m1.synchronize do
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while i < max
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cv1.signal
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cv2.wait(m1)
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end
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end
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wait.join
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