vtk-m2/vtkm/cont/EnvironmentTracker.h
Utkarsh Ayachit e9c7e5619c Add EnvironmentTracker to track MPI communicator.
When using MPI, we need a mechanism in VTK-m to set/get the MPI
controller. Added `EnvironmentTracker` to do that.
2017-12-15 15:15:23 -05:00

54 lines
1.5 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt 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.
//
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_cont_EnvironmentTracker_h
#define vtk_m_cont_EnvironmentTracker_h
#include <vtkm/Types.h>
#include <vtkm/cont/vtkm_cont_export.h>
#include <vtkm/internal/Configure.h>
#include <vtkm/internal/ExportMacros.h>
namespace diy
{
namespace mpi
{
class communicator;
}
}
namespace vtkm
{
namespace cont
{
class VTKM_CONT_EXPORT EnvironmentTracker
{
public:
VTKM_CONT
static void SetCommunicator(const diy::mpi::communicator& comm);
VTKM_CONT
static const diy::mpi::communicator& GetCommunicator();
};
}
}
#endif // vtk_m_cont_EnvironmentTracker_h