auto_initializer.hpp

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/*
 * Copyright 2025 Jinwoo Sung
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <mutex>
 
#include "unilink/base/visibility.hpp"
#include "unilink/concurrency/io_context_manager.hpp"
 
namespace unilink {
namespace builder {
 
class UNILINK_API AutoInitializer {
 public:
  static void ensure_io_context_running() {
    if (!concurrency::IoContextManager::instance().is_running()) {
      std::lock_guard<std::mutex> lock(init_mutex());
      // Double-check locking
      if (!concurrency::IoContextManager::instance().is_running()) {
        concurrency::IoContextManager::instance().start();
      }
    }
  }
 
  static bool is_io_context_running() { return concurrency::IoContextManager::instance().is_running(); }
 
 private:
  static std::mutex& init_mutex();
};
 
}  // namespace builder
}  // namespace unilink