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Initialize the RuntimeScheduler and TurboModule bindings via RuntimeExecutor #12402

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Initialize the RuntimeScheduler and TurboModule bindings via RuntimeExecutor #12402

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Initialize the RuntimeScheduler and TurboModule bindings via RuntimeE…
rozele Nov 15, 2023
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rozele Nov 15, 2023
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7 changes: 7 additions & 0 deletions change/react-native-windows-c86adf9d-416f-439c-aaac-f1c932b141ea.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
"type": "prerelease",
"comment": "Initialize the RuntimeScheduler and TurboModule bindings via RuntimeExecutor",
"packageName": "react-native-windows",
"email": "erozell@outlook.com",
"dependentChangeType": "patch"
}
23 changes: 9 additions & 14 deletions vnext/Shared/OInstance.cpp
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Expand Up @@ -361,17 +361,15 @@ InstanceImpl::InstanceImpl(
winrt::Microsoft::ReactNative::ReactPropertyBag(propertyBag), m_runtimeScheduler);
}

// Using runOnQueueSync because initializeBridge calls createJSExecutor with runOnQueueSync,
// so this is an attempt to keep the same semantics for exiting this method with TurboModuleManager
// initialized.
m_jsThread->runOnQueueSync([propertyBag,
innerInstance = m_innerInstance,
runtimeHolder = m_devSettings->jsiRuntimeHolder,
runtimeScheduler = m_runtimeScheduler,
turboModuleRegistry = m_turboModuleRegistry,
longLivedObjectCollection = m_longLivedObjectCollection]() {
// Use RuntimeExecutor so non-ABI JSExecutorFactory instances passed in through DevSettings
// can use the same logic
runtimeExecutor([propertyBag,
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@vmoroz vmoroz Dec 2, 2023 •
edited

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Previously we ran this code synchronously.
As comment used to say that it enabled us to have the TurboModuleManager fully initialized by the time we exit the method.
This PR changes it to run asynchronously in a different thread. Thus, the TurboModuleManager maybe not initialized by the time we exit this method.
My concern is that this code may affect scenarios where we previously relied on the TurboModuleManager be initialized.

Should we run the runtimeExecutor synchronously here?

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This deadlocks when trying to run synchronously on the RuntimeExecutor, so I left it as async for now.

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I think perhaps we should do this conditionally. We can keep this "as is" if using ABI JSI, and switch to the async RuntimeExecutor only if using the non-ABI JSI option.

innerInstance = m_innerInstance,
runtimeScheduler = m_runtimeScheduler,
turboModuleRegistry = m_turboModuleRegistry,
longLivedObjectCollection = m_longLivedObjectCollection](jsi::Runtime &runtime) {
if (runtimeScheduler) {
RuntimeSchedulerBinding::createAndInstallIfNeeded(*runtimeHolder->getRuntime(), runtimeScheduler);
RuntimeSchedulerBinding::createAndInstallIfNeeded(runtime, runtimeScheduler);
}
auto turboModuleManager = std::make_shared<TurboModuleManager>(
turboModuleRegistry,
Expand All @@ -386,10 +384,7 @@ InstanceImpl::InstanceImpl(
};

TurboModuleBinding::install(
*runtimeHolder->getRuntime(),
std::function(binding),
TurboModuleBindingMode::HostObject,
longLivedObjectCollection);
runtime, std::function(binding), TurboModuleBindingMode::HostObject, longLivedObjectCollection);

// init TurboModule
for (const auto &moduleName : turboModuleManager->getEagerInitModuleNames()) {
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