Introduce featureflag for main queue coordinator

Summary:
Gating for "main queue coordinator": D74769326

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D74940621

Author: RSNara

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<a5552614b746c732adb88a6640a7951a>>
+ * @generated SignedSource<<f67a9635d8fadd31a82d32f8dac00ba0>>
  */
 
 /**
@@ -168,6 +168,12 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun enableLayoutAnimationsOnIOS(): Boolean = accessor.enableLayoutAnimationsOnIOS()
 
+  /**
+   * Make RCTUnsafeExecuteOnMainQueueSync less likely to deadlock, when used in conjuction with sync rendering/events.
+   */
+  @JvmStatic
+  public fun enableMainQueueCoordinatorOnIOS(): Boolean = accessor.enableMainQueueCoordinatorOnIOS()
+
   /**
    * Makes modules requiring main queue setup initialize on the main thread, during React Native init.
    */

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<4665e190f626b377f37e14c1c19f809d>>
+ * @generated SignedSource<<62a722030e9166b231e5368f193f6f0c>>
  */
 
 /**
@@ -43,6 +43,7 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var enableIntersectionObserverEventLoopIntegrationCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
+  private var enableMainQueueCoordinatorOnIOSCache: Boolean? = null
   private var enableMainQueueModulesOnIOSCache: Boolean? = null
   private var enableModuleArgumentNSNullConversionIOSCache: Boolean? = null
   private var enableNativeCSSParsingCache: Boolean? = null
@@ -279,6 +280,15 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
+  override fun enableMainQueueCoordinatorOnIOS(): Boolean {
+    var cached = enableMainQueueCoordinatorOnIOSCache
+    if (cached == null) {
+      cached = ReactNativeFeatureFlagsCxxInterop.enableMainQueueCoordinatorOnIOS()
+      enableMainQueueCoordinatorOnIOSCache = cached
+    }
+    return cached
+  }
+
   override fun enableMainQueueModulesOnIOS(): Boolean {
     var cached = enableMainQueueModulesOnIOSCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxInterop.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<b68166d039f6214ff09dc30a742ebbf9>>
+ * @generated SignedSource<<39d78493b17f7abfb4220d25e663ae55>>
  */
 
 /**
@@ -74,6 +74,8 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableLayoutAnimationsOnIOS(): Boolean
 
+  @DoNotStrip @JvmStatic public external fun enableMainQueueCoordinatorOnIOS(): Boolean
+
   @DoNotStrip @JvmStatic public external fun enableMainQueueModulesOnIOS(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enableModuleArgumentNSNullConversionIOS(): Boolean

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsDefaults.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<fcee66a9800d5b3b1105df73d33feea9>>
+ * @generated SignedSource<<9456729fc1d8268a3edf0e6f9c9cec7a>>
  */
 
 /**
@@ -69,6 +69,8 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableLayoutAnimationsOnIOS(): Boolean = true
 
+  override fun enableMainQueueCoordinatorOnIOS(): Boolean = false
+
   override fun enableMainQueueModulesOnIOS(): Boolean = false
 
   override fun enableModuleArgumentNSNullConversionIOS(): Boolean = true

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsLocalAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ebf6d5811f40eedd906c015283f5757f>>
+ * @generated SignedSource<<b755121b5c8048c7733825ceff2a4773>>
  */
 
 /**
@@ -47,6 +47,7 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var enableIntersectionObserverEventLoopIntegrationCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
   private var enableLayoutAnimationsOnIOSCache: Boolean? = null
+  private var enableMainQueueCoordinatorOnIOSCache: Boolean? = null
   private var enableMainQueueModulesOnIOSCache: Boolean? = null
   private var enableModuleArgumentNSNullConversionIOSCache: Boolean? = null
   private var enableNativeCSSParsingCache: Boolean? = null
@@ -306,6 +307,16 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
+  override fun enableMainQueueCoordinatorOnIOS(): Boolean {
+    var cached = enableMainQueueCoordinatorOnIOSCache
+    if (cached == null) {
+      cached = currentProvider.enableMainQueueCoordinatorOnIOS()
+      accessedFeatureFlags.add("enableMainQueueCoordinatorOnIOS")
+      enableMainQueueCoordinatorOnIOSCache = cached
+    }
+    return cached
+  }
+
   override fun enableMainQueueModulesOnIOS(): Boolean {
     var cached = enableMainQueueModulesOnIOSCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsProvider.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<1e5562ce20c0735c926c1cb029b93e18>>
+ * @generated SignedSource<<25acda9d60691c0ca5ea4776bfae594a>>
  */
 
 /**
@@ -69,6 +69,8 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableLayoutAnimationsOnIOS(): Boolean
 
+  @DoNotStrip public fun enableMainQueueCoordinatorOnIOS(): Boolean
+
   @DoNotStrip public fun enableMainQueueModulesOnIOS(): Boolean
 
   @DoNotStrip public fun enableModuleArgumentNSNullConversionIOS(): Boolean

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<078954ede626079b7d36ab63cdbab761>>
+ * @generated SignedSource<<ddb0b0066cae098c56aa827e5ac3072c>>
  */
 
 /**
@@ -177,6 +177,12 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
+  bool enableMainQueueCoordinatorOnIOS() override {
+    static const auto method =
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableMainQueueCoordinatorOnIOS");
+    return method(javaProvider_);
+  }
+
   bool enableMainQueueModulesOnIOS() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableMainQueueModulesOnIOS");
@@ -464,6 +470,11 @@ bool JReactNativeFeatureFlagsCxxInterop::enableLayoutAnimationsOnIOS(
   return ReactNativeFeatureFlags::enableLayoutAnimationsOnIOS();
 }
 
+bool JReactNativeFeatureFlagsCxxInterop::enableMainQueueCoordinatorOnIOS(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
+  return ReactNativeFeatureFlags::enableMainQueueCoordinatorOnIOS();
+}
+
 bool JReactNativeFeatureFlagsCxxInterop::enableMainQueueModulesOnIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::enableMainQueueModulesOnIOS();
@@ -704,6 +715,9 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "enableLayoutAnimationsOnIOS",
         JReactNativeFeatureFlagsCxxInterop::enableLayoutAnimationsOnIOS),
+      makeNativeMethod(
+        "enableMainQueueCoordinatorOnIOS",
+        JReactNativeFeatureFlagsCxxInterop::enableMainQueueCoordinatorOnIOS),
       makeNativeMethod(
         "enableMainQueueModulesOnIOS",
         JReactNativeFeatureFlagsCxxInterop::enableMainQueueModulesOnIOS),

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.h

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<083e45ab99622254be46213ba07c586b>>
+ * @generated SignedSource<<3a00be0b706f3513e1aca741c55a0747>>
  */
 
 /**
@@ -99,6 +99,9 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableLayoutAnimationsOnIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
+  static bool enableMainQueueCoordinatorOnIOS(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
+
   static bool enableMainQueueModulesOnIOS(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<c099ce4bba5f6d14a83ad69a0fb3cbbf>>
+ * @generated SignedSource<<05405c3bb41e2511ac66792eb641db5e>>
  */
 
 /**
@@ -118,6 +118,10 @@ bool ReactNativeFeatureFlags::enableLayoutAnimationsOnIOS() {
   return getAccessor().enableLayoutAnimationsOnIOS();
 }
 
+bool ReactNativeFeatureFlags::enableMainQueueCoordinatorOnIOS() {
+  return getAccessor().enableMainQueueCoordinatorOnIOS();
+}
+
 bool ReactNativeFeatureFlags::enableMainQueueModulesOnIOS() {
   return getAccessor().enableMainQueueModulesOnIOS();
 }

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.h

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ac9a0bc61f58cce6fe9d229c551dc3f7>>
+ * @generated SignedSource<<f28e23028234cda83f67e0386fdd9f32>>
  */
 
 /**
@@ -154,6 +154,11 @@ class ReactNativeFeatureFlags {
    */
   RN_EXPORT static bool enableLayoutAnimationsOnIOS();
 
+  /**
+   * Make RCTUnsafeExecuteOnMainQueueSync less likely to deadlock, when used in conjuction with sync rendering/events.
+   */
+  RN_EXPORT static bool enableMainQueueCoordinatorOnIOS();
+
   /**
    * Makes modules requiring main queue setup initialize on the main thread, during React Native init.
    */