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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSMPTools.cxx
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.
=========================================================================*/
#include "vtkSMPTools.h"
#include "vtkCriticalSection.h"
#include <kaapic.h>
VTKCOMMONCORE_EXPORT void vtkSMPToolsInitialize()
{
vtkSMPTools::Initialize(0);
}
struct vtkSMPToolsInit
{
vtkSMPToolsInit()
{
kaapic_init(KAAPIC_START_ONLY_MAIN);
}
~vtkSMPToolsInit()
{
kaapic_finalize();
}
};
static bool vtkSMPToolsInitialized = 0;
static vtkSimpleCriticalSection vtkSMPToolsCS;
//--------------------------------------------------------------------------------
void vtkSMPTools::Initialize(int)
{
vtkSMPToolsCS.Lock();
if (!vtkSMPToolsInitialized)
{
static vtkSMPToolsInit aInit;
vtkSMPToolsInitialized = true;
}
vtkSMPToolsCS.Unlock();
}
int vtkSMPTools::GetEstimatedNumberOfThreads()
{
return kaapic_get_concurrency();
}
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