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| unit of concurrency (задача или атомарный обеъект; Tasks can communicate implicitly via shared data or explicitly via a synchronous control mechanism known as the rendezvous. A shared data item can be defined abstractly as an atomic object, with operations executed under mutual exclusion when invoked from multiple tasks. Asynchronous task interactions are also supported, specifically timeouts and task termination; корпорации AdaCore Alex_Odeychuk) | |||