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Re: [Xen-devel] [PATCH v2 03/18] libxl: functions to lock / unlock domain data in libxl user data store

On Tue, Aug 26, 2014 at 10:21:34PM +0100, Ian Campbell wrote:
> On Wed, 2014-07-30 at 19:23 +0100, Wei Liu wrote:
> > The term "domain data" means libxl's knowledge of a domain, which
> > includes but not limit to domain configuration. A new "libxl-lock" entry
> "is not limited to"
> > Portability note: this lock utilises flock(2) so a proper implementation
> > of flock(2) is required.
> I suppose Linux provides this, do you know about BSD? (IOW, how much of
> a problem is this in reality)

Flock first appeared in 4.2BSD so I think by now the major BSDs we care
about should already have proper implementation.


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