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RCTTextLayoutManager: Migrate off screen scale access#50407

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RSNara wants to merge 3 commits into
react:mainfrom
RSNara:export-D72177192
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RCTTextLayoutManager: Migrate off screen scale access#50407
RSNara wants to merge 3 commits into
react:mainfrom
RSNara:export-D72177192

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@RSNara

@RSNara RSNara commented Mar 31, 2025

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Summary:
Let's move the RCTScreenSize and RCTScreenScale calls to the ui thread.

That way, these methods don't do an unsafe sync dispatch to the ui thread, which could deadlock react native.

In the future, once all call-sites are migrated to the ui thread, we will just make these methods assert that they're being called from the ui thread.

Changelog: [Internal]

Differential Revision: D72177192

RSNara added 3 commits March 31, 2025 13:20
Summary:
Let's move the RCTScreenSize and RCTScreenScale calls to the ui thread.

That way, these methods don't do an unsafe sync dispatch to the ui thread, which could deadlock react native.

In the future, once all call-sites are migrated to the ui thread, we will just make these methods assert that they're being called from the ui thread.

Changelog: [Internal]

Differential Revision: D72177191
Summary:
Let's move the RCTScreenSize and RCTScreenScale calls to the ui thread.

That way, these methods don't do an unsafe sync dispatch to the ui thread, which could deadlock react native.

In the future, once all call-sites are migrated to the ui thread, we will just make these methods assert that they're being called from the ui thread.

Changelog: [Internal]

Differential Revision: D72177194
Summary:
Let's move the RCTScreenSize and RCTScreenScale calls to the ui thread.

That way, these methods don't do an unsafe sync dispatch to the ui thread, which could deadlock react native.

In the future, once all call-sites are migrated to the ui thread, we will just make these methods assert that they're being called from the ui thread.

Changelog: [Internal]

Differential Revision: D72177192
@facebook-github-bot facebook-github-bot added CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. p: Facebook Partner: Facebook Partner labels Mar 31, 2025
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This pull request was exported from Phabricator. Differential Revision: D72177192

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This PR is stale because it has been open for 180 days with no activity. It will be closed in 7 days unless you comment on it or remove the "Stale" label.

@react-native-bot react-native-bot added Stale There has been a lack of activity on this issue and it may be closed soon. and removed Stale There has been a lack of activity on this issue and it may be closed soon. labels Sep 28, 2025
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This PR is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 7 days.

@react-native-bot react-native-bot added Stale There has been a lack of activity on this issue and it may be closed soon. and removed Stale There has been a lack of activity on this issue and it may be closed soon. labels Mar 27, 2026
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Closing as this has been merged in 61bd649

@react-native-bot react-native-bot added the Merged This PR has been merged. label Jun 3, 2026
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CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. fb-exported Merged This PR has been merged. p: Facebook Partner: Facebook Partner

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3 participants