From 06eff36e5b6492b7de84b39f0dd400ce969251d7 Mon Sep 17 00:00:00 2001
From: Phillip Pan <phillippan@fb.com>
Date: Fri, 20 Oct 2023 13:47:34 -0700
Subject: [PATCH] hook up gating to shared native module queue (#41043)

Summary:

Changelog: [Internal]

in this change, we create an config pipeline to set `_enableSharedModuleQueue` in TMM

Reviewed By: cipolleschi

Differential Revision: D50398636
---
 packages/react-native/React/Base/RCTBridge.h         |  4 ++++
 packages/react-native/React/Base/RCTBridge.mm        | 12 ++++++++++++
 .../ios/ReactCommon/RCTTurboModuleManager.mm         |  2 +-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/packages/react-native/React/Base/RCTBridge.h b/packages/react-native/React/Base/RCTBridge.h
index 68651edb771a6b..846e17fdb1104e 100644
--- a/packages/react-native/React/Base/RCTBridge.h
+++ b/packages/react-native/React/Base/RCTBridge.h
@@ -57,6 +57,10 @@ void RCTEnableTurboModuleInteropBridgeProxy(BOOL enabled);
 BOOL RCTTurboModuleSyncVoidMethodsEnabled(void);
 void RCTEnableTurboModuleSyncVoidMethods(BOOL enabled);
 
+// Use a shared queue for executing module methods
+BOOL RCTTurboModuleSharedQueueEnabled(void);
+void RCTEnableTurboModuleSharedQueue(BOOL enabled);
+
 typedef enum {
   kRCTBridgeProxyLoggingLevelNone,
   kRCTBridgeProxyLoggingLevelWarning,
diff --git a/packages/react-native/React/Base/RCTBridge.mm b/packages/react-native/React/Base/RCTBridge.mm
index d0598e621e22f2..a18b43861cbabd 100644
--- a/packages/react-native/React/Base/RCTBridge.mm
+++ b/packages/react-native/React/Base/RCTBridge.mm
@@ -150,6 +150,18 @@ void RCTEnableTurboModuleSyncVoidMethods(BOOL enabled)
   gTurboModuleEnableSyncVoidMethods = enabled;
 }
 
+// Use a shared queue for executing module methods
+static BOOL gTurboModuleEnableSharedQueue = NO;
+BOOL RCTTurboModuleSharedQueueEnabled(void)
+{
+  return gTurboModuleEnableSharedQueue;
+}
+
+void RCTEnableTurboModuleSharedQueue(BOOL enabled)
+{
+  gTurboModuleEnableSharedQueue = enabled;
+}
+
 @interface RCTBridge () <RCTReloadListener>
 @end
 
diff --git a/packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm b/packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm
index 5feb7b578dce74..ad8fadd04b1ef4 100644
--- a/packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm
+++ b/packages/react-native/ReactCommon/react/nativemodule/core/platform/ios/ReactCommon/RCTTurboModuleManager.mm
@@ -224,7 +224,7 @@ - (instancetype)initWithBridge:(RCTBridge *)bridge
     _bridgeProxy = bridgeProxy;
     _bridgeModuleDecorator = bridgeModuleDecorator;
     _invalidating = false;
-    _enableSharedModuleQueue = NO;
+    _enableSharedModuleQueue = RCTTurboModuleSharedQueueEnabled();
 
     if (_enableSharedModuleQueue) {
       _sharedModuleQueue = dispatch_queue_create("com.meta.react.turbomodulemanager.queue", DISPATCH_QUEUE_SERIAL);