When a process group becomes an orphan, its processes are sent a SIGHUP signal.

为了防止这类问题的产生，于是就有了孤儿进程组的概念。

youdao

When a process group becomes an orphan, its processes are sent a SIGHUP signal.

为了防止这类问题的产生，于是就有了孤儿进程组的概念。

youdao