Messages in this thread | | | Date | Thu, 04 Nov 2004 14:32:58 -0500 | From | Bill Davidsen <> | Subject | Re: is killing zombies possible w/o a reboot? |
| |
DervishD wrote: > Hi Bill :) > > * Bill Davidsen <davidsen@tmr.com> dixit: > >>> Or write a little program that just 'wait()'s for the specified >>>PID's. That is perfectly portable IMHO. But I must admit that the >>>preferred way should be killing the parent. 'init' will reap the >>>children after that. >> >>You can't wait() for the process, you have to use waitfor(), and the >>last time I tried that it didn't work, although I don't remember the >>symptom beyond that. > > > You can't wait for other's children. OTOH, if we talk about your > children, you can do wait() or waitpid() (I assume that you referred > to waitpid(), since there isn't waitfor() AFAIK). The only difference > is that wait suspends the process until information from a child is > available.
Yes, thank you, I was thinking "wait for the PID" and typed that. > > If you are talking about others' children, then your call to > waitpid() (or wait()) failed with ECHILD: not your child.
That's what happened when I tried it a few months ago. I suppose one could try sending a SIGCHLD to the parent and see if it does something helpful.
-- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |