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C:/temp/src/j2k/Deprecated/old_18mar_diff/nto/Mutex.inl

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#ifndef __J2K__PThread_Mutex_INL__
#define __J2K__PThread_Mutex_INL__

// Uses:
// pthread_mutex_t
// pthread_mutex_attr_t

  // Copy Constructor
  inline PThread_Mutex::PThread_Mutex( const PThread_Mutex& src ) 
  {
    memcpy( &attr,        &src.attr,        sizeof( pthread_mutexattr_t ) );
    memcpy( &mutex,       &src.mutex,       sizeof( pthread_mutex_t     ) );
    state = 0;
  }

  // Assign Operator
  inline const PThread_Mutex& PThread_Mutex::operator=( const PThread_Mutex& src ) 
  {
    memcpy( &attr,        &src.attr,        sizeof( pthread_mutexattr_t ) );
    memcpy( &mutex,       &src.mutex,       sizeof( pthread_mutex_t     ) );
    state = 0;

    return *this;
  }

  // Try to lock a mutex
  inline void PThread_Mutex::tryLock()
  {
    int err = pthread_mutex_trylock( &mutex );
    MC_OnError( err, Error, "An error happened while trying to lock a mutex." )
  }

  // Get the maximum priority (ceiling value) for the mutex
  inline int PThread_Mutex::getPriorityCeiling()
  {
    int ceiling = 0;
    int err = pthread_mutex_getprioceiling( &mutex, &ceiling );
    MC_OnError( err, Error, "An error happened while retrieving the priority ceiling of a mutex." )

    return ceiling;
  }

  // Set the maximum priority (ceiling value) for the mutex  
  inline int PThread_Mutex::setPriorityCeiling( int new_ceiling )
  {
    int old_ceiling = 0;

    int err = pthread_mutex_setprioceiling( &mutex, new_ceiling, &old_ceiling );
    MC_OnError( err, Error, "An error happened while setting the priority ceiling of a mutex." )

    return old_ceiling;
  }

  // Get the mutex attribute type
  inline int PThread_Mutex::getType()
  {
    int mtype = 0;

    int err = pthread_mutexattr_gettype( &attr, &mtype );
    MC_OnError( err, Error, "An error happened while getting the mutex type." )

    return mtype;
  }

  // Get the mutex attribute protocol
  inline int PThread_Mutex::getProtocol()
  {
    int err = pthread_mutexattr_getprotocol( &attr, &protocol );
    MC_OnError( err, Error, "while getting the mutex attribute protocol.")
  
    return protocol;
  }

#endif

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