vlRdWrLock__rti__.h

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/*******************************************************************************
** Copyright (c) 2005 MaK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vlRdWrLock__rti__.h,v $ $Revision: 1.3 $ $State: Exp $
*******************************************************************************/

#ifndef VXWORKS

#ifndef vlRdWrLock__rti___H_
#define vlRdWrLock__rti___H_

#include "rtiMsConfig.h"
#include <vlutil/vlMachineTypes.h>

#if WIN32
#include <winsock2.h>
#include <process.h>
#else
#include <pthread.h>
#endif

#ifdef DtUSE_UTILITIES_NAMESPACE
namespace DtUSE_UTILITIES_NAMESPACE
{
#endif

class DT_DLL_RTIUTIL DtRdWrLock__rti__
{
public:

   DtRdWrLock__rti__();

protected:

   DtRdWrLock__rti__(const DtRdWrLock__rti__ & orig);

   const DtRdWrLock__rti__ & operator=(const DtRdWrLock__rti__ & orig);

public:
   virtual ~DtRdWrLock__rti__();

   virtual void init();

   virtual void destroy();

   virtual int wrLock();

   virtual int rdLock();

   virtual int wrUnlock();

   virtual int rdUnlock();

protected:

   volatile long readers;
   volatile long writers;

#ifndef WIN32
   pthread_rwlock_t   myPtLock;
   pthread_rwlock_t * myLock;
#endif 

};

#ifdef DtUSE_UTILITIES_NAMESPACE
} 
#endif

#endif 

#endif