On Sun, Oct 28, 2007 at 10:48:33PM +0000, Alan Cox wrote:
> > Bzzt. You get a false deadlock with multiple threads like so:
> >
> > Thread A of task B takes lock 1
> > Thread C of task D takes lock 2
> > Thread C of task D blocks on lock 1
> > Thread E of task B blocks on lock 2
>
> The spec and SYSV certainly ignore threading in this situation and you
> know that perfectly well (or did in 2004)
The discussion petered out (or that mailing list archive lost articles
from the thread) without any kind of resolution, or indeed interest.
What is your suggestion for handling this problem? As it is now, the
kernel 'detects' deadlock where there is none, which doesn't seem
allowed by SuSv3 either.
--
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."
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