Any program that sends on a TCP socket must explicitly deal with SIGPIPE in order to be robust.

在TCP套接字上发送数据的任何程序都必须显示处理SIGPIPE以便保证健壮性。

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In this case, you'll receive a SIGPIPE signal or, if this signal is blocked, the write function will return a -1 and set errno to EPIPE.

在这种情况下，接收SIGPIPE信号，或如果该信号阻塞，write函数将返回- 1并设置errno为epipe。

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