RobustSessionMutex.hpp

Go to the documentation of this file.

 
#ifndef _uhal_detail_RobustSessionMutex_hpp_
#define _uhal_detail_RobustSessionMutex_hpp_
 
#include <cstdint>
#include <mutex>
#include <pthread.h>
 
#include "uhal/ClientInterface.hpp"
#include "uhal/log/exception.hpp"
 
 
namespace uhal {
namespace detail {
 
UHAL_DEFINE_DERIVED_EXCEPTION_CLASS ( MutexError , uhal::exception::TransportLayerError , "Exception class to handle errors from pthread mutex-related functions." )
 
 
class RobustSessionMutex {
public:
  RobustSessionMutex();
  ~RobustSessionMutex();
 
  void lock();
 
  void unlock();
 
  uint64_t getCounter() const;
 
  bool isActive() const;
 
  void startSession();
 
  void endSession();
 
private:
  RobustSessionMutex(const RobustSessionMutex&);
 
  pthread_mutex_t mMutex;
  uint64_t mCount;
  bool mSessionActive;
};
 
 
typedef std::unique_lock<RobustSessionMutex> ScopedSessionLock;
 
}
}
 
#endif