RE: kernel_thread vs. zombie

From: Martin Frey (frey@scs.ch)
Date: Thu Mar 22 2001 - 20:57:51 EST


>> - When started during boot (low PID (9)) It becomes a zombie
>> - When started from a process that quits after sending the ioctl,
>> it is correctly "garbage collected".
>> - When started from a process that stays around, it becomes
>> a zombie too

>Take a look at kernel/kmod.c:call_usermodehelper(). Copy it.
>
>This will make your thread a child of keventd. This takes
>care of things like chrootedness, uids, cwds, signal masks,
>reaping children, open files, and all the other crud which
>you can accidentally inherit from your caller.
>
So depending on the state of the caller daemonize() will not really
put us into the background as we want. With being created from
keventd we inherit a state as we'd like to have in a kernel thread.
Did I get it right?
I will change my example and test that.

Thanks,

Martin
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This archive was generated by hypermail 2b29 : Fri Mar 23 2001 - 21:00:19 EST