Re: Killing clones
Richard Gooch (rgooch@atnf.CSIRO.AU)
Sun, 10 Aug 1997 23:17:45 +1000
Ingo Molnar writes:
>
> On Sun, 10 Aug 1997, Richard Gooch wrote:
>
> > > LinuxThreads uses a 'manager thread' (which is not the main thread) that
> > > can do exactly this kind of cleanup stuff.
> >
> > But how does this manager know when the parent has died? Does it
> > periodically wake up and check if its ppid == 1? Yuk.
>
> nope, use waitpid(-1,&status,..). The status then tells you why the child
> exited.
>
> of course if the manager dies that cannot be solved. It should be simple
> enough and should not die spontaneously ;)
??? But waitpid will not wait for the *parent* process, so how can it
use this to check for the existance of the parent?
Regards,
Richard....