On Sun, Dec 08, 2002 at 11:36:22PM +0200, Antti Kantee wrote:
> On Sun Dec 08 2002 at 21:19:29 +0000, David Laight wrote:
> > Consider also the case of fork with both FORK_PPWAIT and FORK_NOWAIT
> > set (ie vfork with the parent set to initproc).
> > 
> > The process priorities could be such that:
> > 	if (flags & FORK_PPWAIT)
> > 		while (p2->p_flag & P_PPWAIT)
> > 			tsleep(p1, PWAIT, "ppwait", 0);
> > 
> > accesses p2->p_flag after the child has been reaped - even on
> > a single cpu system.
> 
> vfork with nowait doesn't make much sense. Besides, there's nothing that
> calls fork1() with both set, and I can't imagine why there ever would be.

How about forking in order to exec a daemon?

	David

-- 
David Laight: david@l8s.co.uk