[whatwg] Application defined "locks"

Darin Fisher darin at chromium.org
Wed Sep 9 22:19:52 PDT 2009

On Wed, Sep 9, 2009 at 10:12 PM, Aaron Boodman <aa at google.com> wrote:

> On Wed, Sep 9, 2009 at 10:07 PM, Darin Fisher<darin at chromium.org> wrote:
> > Well, the problem is that the creator of the transaction and the code
> > associated with the showModalDialog call may not be related.  The
> > showModalDialog code might normally be used outside the context of a
> > transaction, in which case the code would normally work fine.  However,
> if
> > triggered from within a transaction, the dialog would be stuck.
> I agree that is possible.
> It at least meets the bar that every time this code path is executed
> it will behave exactly the same way (we have spec'd things before
> where we didn't even get this far, because of gc issues).
> But it would be better to not have weird edge cases like this in
> uncommon paths.
> OTOH, it seems like showModalDialog() is just a sharp edge that is
> likely to hurt you no matter what. Even with your proposal, unless you
> carefully arranged things in preparation for showModalDialog(), you
> could get stuck the same way.
> - a

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