摘要： 在开发实时传输软件过程中，应用程序需要处理大量的I/O操作，选用何种并发策略成了软件开发过程中需要解决的重要问题。该文提出并实现一种基于前摄器模式的设计方案，提供一种高效地并发处理I/O操作的方法。在实际应用中，该方案用于某信息系统实时传输软件的设计，满足了近等时传输和多用户等主要性能指标。

关键词: 并发, 异步I/O, 前摄器, 完成处理器

Abstract: Applications in real-time transport software must perform large numbers of I/O operations. Concurrency strategies play a vital part in building this kind of software. This paper introduces and implements a solution based on proactor pattern and provides an effective way to concurrently handle I/O operations. In practice, the solution serves in a military real-time transport software and satisfies main parameters of capability.

Key words: concurrency, asynchronous I/O, proactor, completion handler

中图分类号: 

• TP311