Subsequent languages that include monitors, include Modula [ref] and Concurrent Euclid [ref] did not provide guaranteed mutual exclusion … Indeed Wirth states [Wirth, N., Software Practice and Experience 1977:] "we have not adopted … [enforcement of mutual exclusion] … there are legitimate applications where such a language … " Wirth's position has been adopted to one … [ref] and Modula-3 [ref]. [nor does occam even though it uses message-passing]
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