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node_modules/react-native/ReactCommon/cxxreact/MessageQueueThread.h

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <functional>
+
+namespace facebook::react {
+
+class MessageQueueThread {
+ public:
+  virtual ~MessageQueueThread() = default;
+  virtual void runOnQueue(std::function<void()> &&) = 0;
+  // runOnQueueSync and quitSynchronous are dangerous.  They should only be
+  // used for initialization and cleanup.
+  virtual void runOnQueueSync(std::function<void()> &&) = 0;
+  // Once quitSynchronous() returns, no further work should run on the queue.
+  virtual void quitSynchronous() = 0;
+};
+
+} // namespace facebook::react