[Webkit-unassigned] [Bug 207931] [macOS] Disable RunLoop function dispatch when there is a pending rendering update

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Feb 19 12:25:08 PST 2020


--- Comment #15 from Geoffrey Garen <ggaren at apple.com> ---
> > We could call this deferring the next runloop iteration, rather than
> > suspending it entirely.
> I thought about it. The cost is that we may unnecessarily skip the cycle
> after the rendering update has already happened (since we won't know if the
> current one will in fact end up waking up). I'm not sure if that is a
> problem in practice. Maybe not.

Maybe the act of deferring could also schedule a wakeup? That would eagerly clear the deferred state at the end of the runloop, so that future wakeups would not be delayed.

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