vlScopedLock.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/
#pragma once

#include "vlMachineTypes.h"

#ifdef DtUSE_UTILITIES_NAMESPACE
namespace DtUSE_UTILITIES_NAMESPACE
{
#endif

   

class DtMutex;

class DT_DLL_VLUTIL DtScopedLock
{
public:
    explicit DtScopedLock(DtMutex& mx, bool initially_locked=true);

    ~DtScopedLock();
 
    void lock();   

    void unlock();

    //Get the locked state of the mutex.
    bool locked() const;

    //Get the address of the scoped lock if the mutex is locked,
    operator const void*() const;

private:
   DtScopedLock(const DtScopedLock&);
   DtScopedLock& operator=(const DtScopedLock&);
    
protected:
    DtMutex& myMutex;
    bool     myLockedState;
};

#ifdef DtUSE_UTILITIES_NAMESPACE
} 
#endif