The close system call closes or aborts any pending connections on the socket.
close系统调用可关闭或中止套接字上任何挂起的连接。
Figure 12 shows the important calls that occur when the close system call is issued by a TCP application.
图12显示了TCP应用程序发布close系统调用时发生的重要调用。
Suppose a signal is generated during the very small time gap between setting the errno variable by the close system call and its return.
假定信号在close系统调用设置errno变量到其返回之前这一极小的时间片段内生成。
Suppose a signal is generated during the very small time gap between setting the errno variable by the close system call and its return.
假定信号在close系统调用设置errno变量到其返回之前这一极小的时间片段内生成。
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