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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkTimeStamp.cxx,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
//
// Initialize static member
//
#include "vtkTimeStamp.h"
#include "vtkCriticalSection.h"
#include "vtkObjectFactory.h"
#include "vtkWindows.h"
//-------------------------------------------------------------------------
vtkTimeStamp* vtkTimeStamp::New()
{
// If the factory was unable to create the object, then create it here.
return new vtkTimeStamp;
}
//-------------------------------------------------------------------------
void vtkTimeStamp::Modified()
{
#if defined(WIN32) || defined(_WIN32)
static LONG vtkTimeStampTime = 0;
this->ModifiedTime = (unsigned long)InterlockedIncrement(&vtkTimeStampTime);
#else
static unsigned long vtkTimeStampTime = 0;
static vtkSimpleCriticalSection TimeStampCritSec;
TimeStampCritSec.Lock();
this->ModifiedTime = ++vtkTimeStampTime;
TimeStampCritSec.Unlock();
#endif
}
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