/**
 * 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.
 **/

#ifndef QUICKSTEP_THREADING_CPP11_MUTEX_HPP_
#define QUICKSTEP_THREADING_CPP11_MUTEX_HPP_

#include <mutex>  // NOLINT(build/c++11)

#include "threading/Mutex.hpp"
#include "threading/cpp11/ConditionVariable.hpp"
#include "utility/Macros.hpp"
#include "utility/PtrVector.hpp"

namespace quickstep {

/** \addtogroup Threading
 *  @{
 */

/**
 * @brief Implementation of Mutex and RecursiveMutex using C++11 threads.
 **/
template <class InternalMutexType>
class MutexImplCPP11 {
 public:
  inline MutexImplCPP11() {
  }

  inline ~MutexImplCPP11() {
  }

  inline void lock() {
    internal_mutex_.lock();
  }

  inline void unlock() {
    internal_mutex_.unlock();
  }

  ConditionVariableImplCPP11<InternalMutexType>* createConditionVariable() {
    ConditionVariableImplCPP11<InternalMutexType> *new_condition
        = new ConditionVariableImplCPP11<InternalMutexType>(&internal_mutex_);
    condition_vars_.push_back(new_condition);
    return new_condition;
  }

 private:
  InternalMutexType internal_mutex_;
  PtrVector<ConditionVariableImplCPP11<InternalMutexType> > condition_vars_;

  DISALLOW_COPY_AND_ASSIGN(MutexImplCPP11);
};
typedef MutexImplCPP11<std::mutex> Mutex;
typedef MutexImplCPP11<std::recursive_mutex> RecursiveMutex;

/** @} */

}  // namespace quickstep

#endif  // QUICKSTEP_THREADING_CPP11_MUTEX_HPP_