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MessagePort: implement disentanglement (#36654)
Implement [disentangle](https://html.spec.whatwg.org/multipage/#disentangle) Remove bespoke gc logic which now becomes unnecessary. Adds a wpt test that hits the "disentangle while in transfer" logic. Updates streams code, fixing an error where disentanglement is conditional on an error. Test coverage: there are existing tests in `/webmessaging/message-channels/close-event/explicitly-closed.tentative.window.js` for the no transfer case, and the simple completed transfer case, and this PR adds a test for the more complicated transfer in progress case. Fix https://github.com/servo/servo/issues/36465 --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com>
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19 changed files with 356 additions and 191 deletions
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@ -893,7 +893,7 @@ impl WritableStream {
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global.note_cross_realm_transform_writable(&cross_realm_transform_writable, port_id);
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// Enable port’s port message queue.
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port.Start();
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port.Start(can_gc);
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// Perform ! SetUpWritableStreamDefaultController
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controller
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@ -1202,7 +1202,7 @@ impl CrossRealmTransformWritable {
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.error_if_needed(cx, rooted_error.handle(), global, can_gc);
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// Disentangle port.
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global.disentangle_port(port);
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global.disentangle_port(port, can_gc);
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}
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}
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