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Re: [Xen-devel] Re: blktap race against xenstore startup


On Fri, 2006-09-29 at 07:54 +0100, Keir Fraser wrote:

> > The problem is not that xenstored is dead: it's alive and running, it
> > just hasn't had the /local/domain tree filled in, so it returns ENOENT.
> > xenstored *is* ready, but that's not enough.
> Set a watch on /local/domain and wait for the directory to appear? Not a
> beautiful approach, but better than spinning a few times? :-)

OK, I didn't realise we could set watches on non-existant paths in the
store, but it seems like that should work.

I was wondering if there was a way to synchronise against xend itself,
though: doing it through the store is a little ugly.  But yes, it's
probably better than looping.


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