RTSJ包含了对异步事件处理的支持，触发异步事件的事件包括大量包含计时器的源代码、操作系统信号、超过时限和其他应用程序定义的事件。
The RTSJ includes support for handling asynchronous events triggered by a number of sources including timers, operating-system signals, missed deadlines, and other application-defined events.
操作系统和驱动程序之间的数据通信采用共享内存和异步通知相结合的方式进行。
Data communication of the operating system and the driver selects sharing memory and asynchronous notice unify to carry on.
当一个应用程序调用一个异步操作时，操作系统来具体执行异步操作。
When an application invokes an asynchronous operation, the OS performs the operation on behalf of the application.
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