text: 
  
  
  /* Copyright ChenDong(Wilbur), email <baisaichen@live.com>. All rights reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  #ifndef LIGHTINK_THREAD_GUARD_H_
  #define LIGHTINK_THREAD_GUARD_H_
  
  namespace LightInk
  {
  	template<typename T>
  	class Guard
  	{
  	public:
  		typedef T MutexType;
  
  		explicit Guard(MutexType & mt) : m_mutex(mt) { m_mutex.lock(); }
  
  		~Guard() { m_mutex.unlock(); }
  
  	private:
  		MutexType & m_mutex;
  	};
  
  	template<typename T>
  	class ReadGuard
  	{
  	public:
  		typedef T MutexType;
  
  		explicit ReadGuard(MutexType & mt) : m_mutex(mt) { m_mutex.read_lock(); }
  
  		ReadGuard() { m_mutex.read_unlock(); }
  
  	private:
  		MutexType & m_mutex;
  	};
  
  	template<typename T>
  	class WriteGuard
  	{
  	public:
  		typedef T MutexType;
  
  		explicit WriteGuard(MutexType & mt) : m_mutex(mt) { m_mutex.write_lock(); }
  
  		~WriteGuard() { m_mutex.write_unlock(); }
  
  	private:
  		MutexType & m_mutex;
  	};
  }
  
  
  
  #endif