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Auto merge of #11585 - asajeffrey:constellation-avoid-deadlock-during-pipeline-closure, r=larsbergstrom
Avoid deadlock when closing a pipeline. <!-- Please describe your changes on the following line: --> At the moment, the constellation blocks on a pipeline during closure. This PR makes pipeline closure asynchronous. --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #11546. - [X] These changes do not require tests because testing for absence of deadlock is difficult. <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="35" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/11585) <!-- Reviewable:end -->
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commit
6581e3504a
7 changed files with 92 additions and 26 deletions
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@ -435,7 +435,7 @@ impl<C> PaintThread<C> where C: PaintListener + Send + 'static {
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}
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debug!("paint_thread: shutdown_chan send");
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shutdown_chan.send(()).unwrap();
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let _ = shutdown_chan.send(());
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}, Some(id), panic_chan);
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}
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