RESOLVED FIXED185078
Make MessagePort's close() set [[Detached]] 
https://bugs.webkit.org/show_bug.cgi?id=185078
Summary Make MessagePort's close() set [[Detached]]
Attachments
Add attachment proposed patch, testcase, etc.
Ahmad Saleem
Comment 1 2022-09-17 00:12:23 PDT
Safari Technology Preview 151 & Chrome Canary 107 still fail these tests: https://wpt.fyi/results/webmessaging/message-channels/close.any.html?label=master&label=experimental&aligned&view=subtest&q=message%20channel%20close > close() detaches a MessagePort (but not the one its entangled with) > close() detaches a MessagePort (but not the one its entangled with)
Alexey Proskuryakov
Comment 2 2022-09-18 16:58:58 PDT
It may be a good idea to fix this before shipping nested workers, as lifetime issues are even more complicated for those than for first level dedicated workers.
Chris Dumez
Comment 3 2022-09-19 07:45:23 PDT
No browser passes this particular subtest expect for Firefox.
Chris Dumez
Comment 4 2022-09-19 08:05:24 PDT
Pull request: https://github.com/WebKit/WebKit/pull/4484
EWS
Comment 5 2022-09-19 22:11:57 PDT
Committed 254661@main (5cc2efcf871d): <https://commits.webkit.org/254661@main> Reviewed commits have been landed. Closing PR #4484 and removing active labels.
Radar WebKit Bug Importer
Comment 6 2022-09-19 22:12:17 PDT
<rdar://problem/100156508>
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