I propose a test to show the semantics of the two implementations of shared
queue ended up slightly different: SharedQueue2 implementation using the
Monitor checks the queue for available data while the SharedQueue
implementation based on the Semaphore checks for excessSignals > 0, which
results in these two different outcomes of the test:

SharedQueue2 produces a sequence #(5 10 15) while SharedQueue produces #(5
15 10) for the same code.

Regards,
Jaromir



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