[Webkit-unassigned] [Bug 158004] Modern IDB: TransactionOperations from a worker thread might be destroyed on main thread

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 24 08:57:31 PDT 2016


--- Comment #3 from Brady Eidson <beidson at apple.com> ---
(In reply to comment #2)
> One idea for part of this:
> All of the IDB ActiveDOMObjects guard their own "postTask" which has a guard
> lock around the scriptExecutionContext(). They also use that lock inside
> their "contextDestroyed()" observer.
> That will definitely solve the first big problem - the race with the
> scriptExecutionContext itself existing and being active.
> Then we just need to solve "the thread runloop itself may no longer be
> active enough to use."

And the moment I woke up this morning, the super obvious answer hit me: When the thread shuts down, it cancels all currently registered operations, which will cause them to get destroyed on the appropriate thread before said thread goes away.

You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.webkit.org/pipermail/webkit-unassigned/attachments/20160524/f2ef245e/attachment.html>

More information about the webkit-unassigned mailing list