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Avoid global_ref to javaPart in TurboModuleManager #43613

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@javache javache commented Mar 22, 2024

Summary:
Storing a global_ref to jThis in a JNI hybrid object leads to a reference cycle which cannot be cleaned up by Java GC. The Java object will keep the C++ object alive and vice versa.

We can replace the reference in this class by using the this pointer passed in when installJSIBindings is invoked.

Changelog: [Internal]

Differential Revision: D55241235

@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 22, 2024
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This pull request was exported from Phabricator. Differential Revision: D55241235

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This pull request was exported from Phabricator. Differential Revision: D55241235

javache added a commit to javache/react-native that referenced this pull request Mar 22, 2024
Summary:
Pull Request resolved: facebook#43613

Storing a global_ref to `jThis` in a JNI hybrid object leads to a reference cycle which cannot be cleaned up by Java GC. The Java object will keep the C++ object alive and vice versa.

We can replace the reference in this class by using the this pointer passed in when `installJSIBindings` is invoked.

Changelog: [Internal]

Differential Revision: D55241235
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This pull request was exported from Phabricator. Differential Revision: D55241235

javache added a commit to javache/react-native that referenced this pull request Mar 22, 2024
Summary:
Pull Request resolved: facebook#43613

Storing a global_ref to `jThis` in a JNI hybrid object leads to a reference cycle which cannot be cleaned up by Java GC. The Java object will keep the C++ object alive and vice versa.

We can replace the reference in this class by using the this pointer passed in when `installJSIBindings` is invoked.

Changelog: [Internal]

Differential Revision: D55241235
javache added a commit to javache/react-native that referenced this pull request Mar 22, 2024
Summary:
Pull Request resolved: facebook#43613

Storing a global_ref to `jThis` in a JNI hybrid object leads to a reference cycle which cannot be cleaned up by Java GC. The Java object will keep the C++ object alive and vice versa.

We can replace the reference in this class by using the this pointer passed in when `installJSIBindings` is invoked.

Changelog: [Internal]

Differential Revision: D55241235
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This pull request was exported from Phabricator. Differential Revision: D55241235

javache and others added 5 commits March 22, 2024 09:37
Differential Revision: D55240490
Differential Revision: D55241232
Differential Revision: D55241233
Summary:
Pull Request resolved: facebook#43613

Storing a global_ref to `jThis` in a JNI hybrid object leads to a reference cycle which cannot be cleaned up by Java GC. The Java object will keep the C++ object alive and vice versa.

We can replace the reference in this class by using the this pointer passed in when `installJSIBindings` is invoked.

Changelog: [Internal]

Differential Revision: D55241235
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This pull request was exported from Phabricator. Differential Revision: D55241235

@facebook-github-bot facebook-github-bot added the Merged This PR has been merged. label Mar 25, 2024
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This pull request has been merged in 12d22e5.

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