SUMMARYWe present a design, including its motivation, for introducing concurrency into C++. The design work is based on a set of requirements and elementary execution properties that generate a corresponding set of programming language constructs needed to express concurrency. The new constructs continue to support object-oriented facilities like inheritance and code reuse. Features that allow flexibility in accepting and subsequently postponing servicing of requests are provided. Currently, a major portion of the design is implemented, supporting concurrent programs on shared-memory uniprocessor and multiprocessor computers.
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