lock_guard.hpp

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

#ifndef pthread_lock_guard_H
#define pthread_lock_guard_H

// 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/mutex.hpp"


namespace pthread {

  //class condition_variable ;

  template<class MutexType>
  class lock_guard {

    friend class condition_variable;

  public:
    explicit lock_guard(MutexType &m){ //: _mutex(&m) {
      _mutex = &m ;
      _mutex->lock();
    }

   ~lock_guard() {
      _mutex->unlock();
   }

    MutexType *internal_mutex() {
      return _mutex ;
    }

    void operator=(lock_guard &) = delete;

  private:
    MutexType *_mutex;
  };

} // namespace pthread

#endif /* pthread_lock_guard_H */