Abstract

The current definition of Ada manifestly fails to satisfy the requirements for supporting the application domain characteristics of real-time, embedded and distributed systems particularly with respect to the capability for asynchronous message passing. It is shown that, for a number of independent reasons, the potential for allowing Ada tasks to communicate in this manner by extension of the existing purely synchronous rendezvous has significant benefits. Though this is a radical deviation from the existing language definition a firm proposal is made for allowing asynchronous inter-task communication. Some of the resultant semantic and syntactic implications are explored.

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