Re: BUG: NTPL: waitpid() doesn't return?

bert hubert
2004-01-31T16:18:08Z

On Sat, Jan 31, 2004 at 04:51:55PM +0100, Matthias Urlichs wrote:

> > Do you wait for all pids or for a specific one?
> >
> ... looking at the strace output, I see that thre are four different
> threads calling fork+child-exec/parent-waitpid() in parallel. The last
> one actually succeeds, so you might be right with this analysis.
>
> *Sigh* No matter how many people work at that code in the kernel, it's
> _still_ fragile. :-/

If they do not wait for a specific pid, the kernel is right. The kernel has
no way of knowing which process a specific waitpid is waiting for otherwise!

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