read_write_lock.hpp

//
//  read_write_lock.hpp
//  read_write_lock
//
//  Created by herbert koelman on 18/03/2016.
//
//

#ifndef pthread_read_write_lock_hpp
#define pthread_read_write_lock_hpp

// must be include as first hearder file of each source code file (see IBM's
// recommandation for more info p.285 §8.3.1).
#include <pthread.h>

#include "pthread/config.h"
#include "pthread/exceptions.hpp"


namespace pthread {

  class read_lock {
    public:

      void lock ();

      void try_lock ();

      void unlock ();


       virtual ~read_lock ();

    protected:

      read_lock ();

      pthread_rwlock_t _rwlock;
  };

  class write_lock: public read_lock {
    public:
      void lock ();

      void try_lock ();

       write_lock ();

      virtual ~write_lock ();

  };

  typedef write_lock read_write_lock;

} // namespace pthread

#endif /* pthread_read_write_lock_H */