面向实时系统的分布式对象

A. Gargaro
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引用次数: 2

摘要

本文说明了修订后的Ada标准中指定的几个新特性有助于编程实时分布式/并行应用程序。特别是,Ada分布式系统附件既支持静态绑定,也支持更面向对象的动态绑定远程过程调用。这些特性用于在需要输入和输出参数时实现组合异步远程过程调用的范例。该范例基于分布式对象的概念,通过分布式对象可以返回输出参数,而不会阻塞调用者的执行。当这些范例与增强的并发性和数据同步特性结合在一起时,表明Ada将有助于理解与开发分布式对象的有效实现相关的一些问题,以支持下一代实时系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Towards distributed objects for real-time systems
This paper illustrates that several of the new features specified in the revised Ada standard facilitate programming real-time distributed/parallel applications. In particular, the Ada Distributed Systems Annex supports both statically bound and the more object-oriented dynamically bound remote procedure calls. These features are used to implement a paradigm for composing asynchronous remote procedure calls when both input and output parameters are required. The paradigm is based upon the notion of a distributed object through which the output parameters may be returned without blocking the execution of the caller. Such paradigms, when combined with the enhanced features for concurrency and data synchronization, suggest that Ada will contribute towards understanding some of the issues relevant to developing efficient implementations of distributed objects to support the next generation of real time systems.<>
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