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sorry,真是慚愧,我看的時候大意了,沒看到你注冊信號函數(shù)的那個地方,
現(xiàn)在我倒是糊涂了……
你的程序并不是每次運行都一樣的結(jié)果的:
[root@rh39 mnt]# perl 1.pl
My return pid is 0, and my real pid is 11321.
I've just sent a signal.
I've recvd SIGUSER1.
Kid exit.
[root@rh39 mnt]# perl 1.pl
My return pid is 0, and my real pid is 11323.
I've just sent a signal.
I've recvd SIGUSER1.
Kid exit.
[root@rh39 mnt]# perl 1.pl
I've just sent a signal.
My return pid is 0, and my real pid is 11325.
I've recvd SIGUSER1.
Now, I'm going to send once more.
Parent exit.
I've recvd SIGUSER1.
Kid exit. |
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