Messages in this thread | | | Date | Sat, 31 Jan 2004 17:18:05 +0100 | From | bert hubert <> | Subject | Re: BUG: NTPL: waitpid() doesn't return? |
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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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