We discussed this in more detail here: http://www.mail-archive.com/whatwg@lists.whatwg.org/msg13799.html
At the time, I suggested not protecting cookies with a mutex (allow asynchronous access - the current behavior on IE and Chrome), which made the monocles pop out of everyone's eyes :) -atw On Wed, Aug 26, 2009 at 2:21 PM, Jens Alfke <s...@google.com> wrote: > > On Aug 26, 2009, at 2:11 PM, Drew Wilson wrote: > > My recollection is that we prohibit worker access to cookies for exactly >> this reason (WorkerGlobalScope does not expose a "cookies" attribute). >> > > Looks like you're right; section 5 of the Web Workers spec says: > >> The DOM APIs (Node objects, Document objects, etc) are not available to >> workers in this version of this specification. >> >> and there's no defined way to access cookies except through Document. > Crisis averted. > > (If the spec does get modified to allow local-storage access from worker > threads, though, this same problem will arise, since they use the same > lock.) > > —Jens