On Mon, 2006-08-14 at 09:38 -0700, Ulrich Drepper wrote: > Suparna Bhattacharya wrote: > > Is there a (remote) possibility that the thread could have died and its > > pid got reused by a new thread in another process ? Or is there a mechanism > > that prevents such a possibility from arising (not just in NPTL library, > > but at the kernel level) ? > > The UID/GID won't help you with dying processes. What if the same user > creates a process with the same PID? That process will not expect the > notification and mustn't receive it. If you cannot detect whether the > issuing process died you have problems which cannot be solved with a > uid/gid pair. > >
Eric W. Biederman sent a series of patches that introduced a struct task_ref specifically to solve this sort of problem on January 28 of this year, but I don't think it went anywhere. -- Nicholas Miell <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
