/**
 * 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_WINDOWS_THREAD_HPP_
#define QUICKSTEP_THREADING_WINDOWS_THREAD_HPP_

#include "threading/Thread.hpp"
#include "threading/WinThreadsAPI.hpp"
#include "utility/Macros.hpp"

namespace quickstep {

namespace threading_windows_internal {
class WindowsExecHelper {
 public:
  static DWORD WINAPI executeRunMethodForThread(LPVOID thread_ptr) {
    static_cast<ThreadInterface*>(thread_ptr)->run();
    return 0;
  }
};
}  // namespace threading_windows_internal

/** \addtogroup Threading
 *  @{
 */

/**
 * @brief Implementation of Thread using MS Windows threads.
 **/
class ThreadImplWindows : public ThreadInterface {
 public:
  ThreadImplWindows() {
    thread_handle_ = CreateThread(nullptr,
                                  0,
                                  threading_windows_internal::WindowsExecHelper::executeRunMethodForThread,
                                  this,
                                  CREATE_SUSPENDED,
                                  nullptr);
  }

  virtual ~ThreadImplWindows() {
    CloseHandle(thread_handle_);
  }

  inline void start() {
    ResumeThread(thread_handle_);
  }

  inline void join() {
    WaitForSingleObject(thread_handle_, INFINITE);
  }

 private:
  HANDLE thread_handle_;

  DISALLOW_COPY_AND_ASSIGN(ThreadImplWindows);
};
typedef ThreadImplWindows Thread;

/** @} */

}  // namespace quickstep

#endif  // QUICKSTEP_THREADING_WINDOWS_THREAD_HPP_