RE: kernel_thread vs. zombie

[Martin Frey]

>>  - 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