When dealing with multiple file descriptors, an application typically sets each file descriptor as non-blocking (as shown in Listing 1) and issues a read on one file descriptor at a time.
在处理多个文件描述符时，应用程序通常把每个文件描述符设置为非阻塞(见清单1)，每次对一个文件描述符执行read调用。
When dealing with multiple file descriptors, an application typically sets each file descriptor as non-blocking (as shown in Listing 1) and issues a read on one file descriptor at a time.
在处理多个文件描述符时，应用程序通常把每个文件描述符设置为非阻塞(见清单1)，每次对一个文件描述符执行read调用。
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