[iOS] Fixes main thread stuck when reload in bridgeless mode #45486
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Hi @zhongwuzw, thanks for the fix. I left a question/suggestion as the change is slightly different from the original code.
packages/react-native/ReactCommon/react/runtime/platform/ios/ReactCommon/RCTInstance.mm
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@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator. |
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Hi @zhongwuzw! A colleague suggested that we might just remove the callback. Given this todo, we should be able to just start the surface after it is created. Do you mind implementing the changes, please? |
@cipolleschi Hi, do you mean we can call the start surface on |
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Yes, probably yes! :D |
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@cipolleschi I changed to bufferedruntime. |
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@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator. |
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@cipolleschi merged this pull request in a778979. |
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This pull request was successfully merged by @zhongwuzw in a778979 When will my fix make it into a release? | How to file a pick request? |
| moduleRegistry:_moduleRegistry | ||
| parentInspectorTarget:_inspectorTarget.get() | ||
| launchOptions:_launchOptions]; | ||
| [_hostDelegate hostDidStart:self]; | ||
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| for (RCTFabricSurface *surface in [self _getAttachedSurfaces]) { | ||
| [surface resetWithSurfacePresenter:self.surfacePresenter]; | ||
| [_instance callFunctionOnBufferedRumtimeExecutor:[surface](facebook::jsi::Runtime &_) { [surface start]; }]; |
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Just a small typo "rumtime"
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Thanks, good catch, I would fix it in my next PR. :)
Summary: I introduced a typo in #45486 . Thanks migueldaipre for the catch-up. cc cipolleschi ## Changelog: [IOS] [FIXED] - Fixes typo of function callFunctionOnBufferedRumtimeExecutor Pull Request resolved: #45902 Test Plan: Just a typo. Reviewed By: cipolleschi Differential Revision: D60775511 Pulled By: arushikesarwani94 fbshipit-source-id: da781ea5ecf2e0a15e5419430240e10194043b1b
Summary:
In fabric bridgeless mode, when we reload, main thread may block because of dead lock. the backtrace example as below:
Changelog:
[IOS] [FIXED] - Fixes main thread stuck when reload in bridgeless mode
Test Plan:
RNTester, enables fabric, which is very easy to repro by tapping
rcommand multiple times quickly to trigger reload.