diff options
Diffstat (limited to 'third_party/rust/uniffi_bindgen/src/bindings/kotlin/templates/ObjectCleanerHelperJvm.kt')
-rw-r--r-- | third_party/rust/uniffi_bindgen/src/bindings/kotlin/templates/ObjectCleanerHelperJvm.kt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/kotlin/templates/ObjectCleanerHelperJvm.kt b/third_party/rust/uniffi_bindgen/src/bindings/kotlin/templates/ObjectCleanerHelperJvm.kt new file mode 100644 index 0000000000..c43bc167fc --- /dev/null +++ b/third_party/rust/uniffi_bindgen/src/bindings/kotlin/templates/ObjectCleanerHelperJvm.kt @@ -0,0 +1,25 @@ +private fun UniffiCleaner.Companion.create(): UniffiCleaner = + try { + // For safety's sake: if the library hasn't been run in android_cleaner = true + // mode, but is being run on Android, then we still need to think about + // Android API versions. + // So we check if java.lang.ref.Cleaner is there, and use that… + java.lang.Class.forName("java.lang.ref.Cleaner") + JavaLangRefCleaner() + } catch (e: ClassNotFoundException) { + // … otherwise, fallback to the JNA cleaner. + UniffiJnaCleaner() + } + +private class JavaLangRefCleaner : UniffiCleaner { + val cleaner = java.lang.ref.Cleaner.create() + + override fun register(value: Any, cleanUpTask: Runnable): UniffiCleaner.Cleanable = + JavaLangRefCleanable(cleaner.register(value, cleanUpTask)) +} + +private class JavaLangRefCleanable( + val cleanable: java.lang.ref.Cleaner.Cleanable +) : UniffiCleaner.Cleanable { + override fun clean() = cleanable.clean() +} |