SIGHUP

SIGHUP

当进程的控制终端关闭时,发送给进程 SIGHUP 信号。

On POSIX-compliant platforms, SIGHUP is a signal sent to a process when its controlling terminal is closed. (It was originally designed to notify the process of a serial line drop). SIGHUP is a symbolic constant defined in theheader file signal.h.

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