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A significant innovation was the introduction of a programming language construct, monitors [19]. (Per Brinch Hansen published a paper on monitors at about the same time; I do not know if the matter of precedence has ever been resolved.) A monitor is a module which gathers a set of potentially concurrent operations on a resource. Monitors are only a language construct, however, and lack the formal specification that one needs to reason rigorously on the concurrent programs.
of some new shape of a living creature. But when a man, or other Animal,