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[0.81] Prevent partially initialized TurboModules during shutdown #16369

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Merged
Vladimir Morozov (vmoroz) merged 2 commits into from
Sep 11, 2026
+37 −13
Merged

[0.81] Prevent partially initialized TurboModules during shutdown #16369

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eb5238d
Prevent partially initialized TurboModules during shutdown
Aug 15, 2026
6d547db
Merge branch '0.81-stable' into user/khosany/fix-turbomodule-teardown…
JunielKatarn Sep 11, 2026
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7 changes: 7 additions & 0 deletions change/react-native-windows-c5366f79-8343-45d0-9916-3f13b872c4d8.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
"type": "patch",
"comment": "Prevent lazy TurboModules from being created without a runtime during shutdown",
"packageName": "react-native-windows",
"email": "khosany@microsoft.com",
"dependentChangeType": "patch"
}
43 changes: 30 additions & 13 deletions vnext/Microsoft.ReactNative/TurboModulesProvider.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,19 +36,16 @@ struct TurboModuleMethodInfo {
};

struct TurboModuleBuilder : winrt::implements<TurboModuleBuilder, IReactModuleBuilder> {
TurboModuleBuilder(const IReactContext &reactContext) noexcept : m_reactContext(reactContext) {}
TurboModuleBuilder(const IReactContext &reactContext, IInspectable runtimeHandle) noexcept
: m_reactContext(reactContext), m_runtimeHandle(std::move(runtimeHandle)) {}
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public: // IReactModuleBuilder
void AddInitializer(InitializerDelegate const &initializer) noexcept {
initializer(m_reactContext);
}

void AddJsiInitializer(JsiInitializerDelegate const &initializer) noexcept {
initializer(
m_reactContext,
winrt::get_self<winrt::Microsoft::ReactNative::implementation::ReactContext>(m_reactContext)
->GetInner()
.JsiRuntime());
initializer(m_reactContext, m_runtimeHandle);
}

void AddConstantProvider(ConstantProviderDelegate const &constantProvider) noexcept {
Expand Down Expand Up @@ -91,6 +88,10 @@ struct TurboModuleBuilder : winrt::implements<TurboModuleBuilder, IReactModuleBu
return m_eventEmitters;
}

void CompleteRegistration() noexcept {
m_runtimeHandle = nullptr;
}

private:
void EnsureMemberNotSet(const std::string &key, bool checkingMethod) noexcept {
VerifyElseCrash(m_methods.find(key) == m_methods.end());
Expand All @@ -103,6 +104,7 @@ struct TurboModuleBuilder : winrt::implements<TurboModuleBuilder, IReactModuleBu

private:
IReactContext m_reactContext;
IInspectable m_runtimeHandle;
std::unordered_map<std::string, EventEmitterInitializerDelegate> m_eventEmitters;
std::unordered_map<std::string, TurboModuleMethodInfo> m_methods;
std::unordered_map<std::string, SyncMethodDelegate> m_syncMethods;
Expand All @@ -121,17 +123,16 @@ class TurboModuleImpl : public facebook::react::TurboModule {
const std::string &name,
const std::shared_ptr<facebook::react::CallInvoker> &jsInvoker,
std::weak_ptr<facebook::react::LongLivedObjectCollection> longLivedObjectCollection,
IInspectable runtimeHandle,
const ReactModuleProvider &reactModuleProvider)
: facebook::react::TurboModule(name, jsInvoker),
m_reactContext(reactContext),
m_longLivedObjectCollection(std::move(longLivedObjectCollection)),
m_moduleBuilder(winrt::make_self<TurboModuleBuilder>(reactContext)),
m_providedModule(reactModuleProvider(m_moduleBuilder.as<IReactModuleBuilder>())) {
m_moduleBuilder(winrt::make_self<TurboModuleBuilder>(reactContext, std::move(runtimeHandle))) {
m_providedModule = reactModuleProvider(m_moduleBuilder.as<IReactModuleBuilder>());

@JunielKatarn Julio César Rocha (JunielKatarn) Sep 11, 2026

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Why was this moved into the constructor body?

m_moduleBuilder->CompleteRegistration();

if (auto hostObject = m_providedModule.try_as<IJsiHostObject>()) {
// Force ABI runtime creation if it hasn't already been created
winrt::get_self<winrt::Microsoft::ReactNative::implementation::ReactContext>(m_reactContext)
->GetInner()
.JsiRuntime();
m_hostObjectWrapper = std::make_shared<implementation::HostObjectWrapper>(hostObject);
}
}
Expand Down Expand Up @@ -488,8 +489,24 @@ std::shared_ptr<facebook::react::TurboModule> TurboModulesProvider::getModule(
return nullptr;
}

if (!m_reactContext) {
return nullptr;
}

auto runtimeHandle = winrt::get_self<winrt::Microsoft::ReactNative::implementation::ReactContext>(m_reactContext)

@JunielKatarn Julio César Rocha (JunielKatarn) Sep 11, 2026

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(nit) Keep the ABI-related comment?

->GetInner()
.JsiRuntime();
if (!runtimeHandle) {
return nullptr;
Comment on lines +496 to +500
}

auto tm = std::make_shared<TurboModuleImpl>(
m_reactContext, moduleName, callInvoker, m_longLivedObjectCollection, /*reactModuleProvider*/ it->second);
m_reactContext,
moduleName,
callInvoker,
m_longLivedObjectCollection,
std::move(runtimeHandle),
/*reactModuleProvider*/ it->second);
return tm;
}

Expand Down