Description——事件描述符。
这些事件可以是诸如计时器，信号，文件描述符上预备读取的数据，等等。
These events can be things like timers, signals, data ready for reading on a file descriptor, and so on.
其中一个线程然后会对运行文件调用SPU_RUNioctl系统调用，而其他线程则可以对邮箱文件和其他可能的文件描述符执行一个事件循环。
One of the threads then calls the SPU_RUN ioctl on the run file, while the other runs in an event loop on the mailbox files and potentially other file descriptors.
pollset接口在本机（内核）pollset 层中创建并维护一个文件描述符集和感兴趣的事件。
The pollset interface creates and maintains a file descriptor set and its interested events in the native (kernel) pollset layer.
当应用程序注册通道时，选择器在本机pollset结构中注册文件描述符和感兴趣的事件。
The selector then registers file descriptors and interested events into a native pollset structure when the application registers the channel.
应用程序直接向本机pollset层注册文件描述符和感兴趣的事件。
An application then registers the file descriptors and interested events directly into the native pollset layer.
在监视器文件的文件描述符仍然打开的情况下，监视应用程序可以从删除的监视器文件读取事件数据，但是不再继续等待事件发生。
Monitoring applications may read event data from deleted monitor files while the file descriptor for the monitor file is still open but may not block for further event occurrences.
select调用返回一个文件描述符列表，对于每个文件描述符至少注册了一个事件。
A select call returns a list of file descriptors for which at least one registered event has occurred.
当在流中接收到一个文件描述符时触发此事件。只有UNIX流支持这个功能，其他类型的流均不会触发此事件。
Emitted when a file descriptor is received on the stream. Only UNIX streams support this functionality; all others will simply never emit this event.
安全描述符传播程序已经被通知要等待传播事件。
The Security Descriptor Propagator has been notified of waiting propagation events.
安全描述符传播程序已经被通知要等待传播事件。
The Security Descriptor Propagator has been notified of waiting propagation events.
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