/*
 * Copyright (c) 2013-2015, dennis wang
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SCOPE_LOCK_H
#define SCOPE_LOCK_H

#if defined(_WIN32) || defined(WIN32) || defined(_WIN64)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#include <pthread.h>
#endif // _WIN32

class RecursiveLock {
public:
  RecursiveLock();
  ~RecursiveLock();
  void lock();
  void unlock();

#ifndef _WIN32
  inline pthread_mutex_t *getMutex() { return &_mutex; }
#endif // _WIN32

private:
#if defined(_WIN32) || defined(WIN32) || defined(_WIN64)
  CRITICAL_SECTION _cs;
#else
  pthread_mutex_t _mutex;
#endif // _WIN32
};

template <typename T> class ScopeLock {
public:
  ScopeLock(T *lock) {
    _lock = lock;
    _lock->lock();
  }

  ~ScopeLock() { _lock->unlock(); }

private:
  T *_lock;
};

#endif // SCOPE_LOCK_H