cppcache/src/util/concurrent/spinlock_mutex.hpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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

#ifndef GEODE_UTIL_CONCURRENT_SPINLOCK_MUTEX_H_
#define GEODE_UTIL_CONCURRENT_SPINLOCK_MUTEX_H_

#include <atomic>

#include "apache-geode_export.h"

namespace apache {
namespace geode {
namespace util {
namespace concurrent {

class APACHE_GEODE_EXPORT spinlock_mutex final {
 private:
  std::atomic_flag flag = ATOMIC_FLAG_INIT;

 public:
  void lock();

  void unlock();

  spinlock_mutex() = default;
  spinlock_mutex(const spinlock_mutex &) = delete;
  spinlock_mutex &operator=(const spinlock_mutex &) = delete;
};

} /* namespace concurrent */
} /* namespace util */
} /* namespace geode */
} /* namespace apache */

#endif /* GEODE_UTIL_CONCURRENT_SPINLOCK_MUTEX_H_ */