MachineShMemWinVariable.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* MachineShMemWinVariable.h                                   (C) 2000-2026 */
/*                                                                           */
/* Classe permettant d'accéder à la partie en mémoire partagée d'une         */
/* variable.                                                                 */
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#ifndef ARCANE_CORE_MACHINESHMEMWINVARIABLE_H
#define ARCANE_CORE_MACHINESHMEMWINVARIABLE_H
 
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#include "arcane/core/ArcaneTypes.h"
 
#include "arcane/core/MachineShMemWinVariableBase.h"
 
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namespace Arcane
{
 
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template <class DataType>
class MachineShMemWinVariable
{
 
 public:

  template <class ItemType>
  explicit MachineShMemWinVariable(MeshVariableScalarRefT<ItemType, DataType> var)
  : m_base(var.variable())
  {}

  template <class ItemType>
  explicit MachineShMemWinVariable(MeshVariableArrayRefT<ItemType, DataType> var)
  : m_base(var.variable())
  {}
 
 public:

  ConstArrayView<Int32> machineRanks() const
  {
    return m_base.machineRanks();
  }

  void barrier() const
  {
    m_base.barrier();
  }

  Span<DataType> segmentView() const
  {
    return asSpan<DataType>(m_base.segmentView());
  }

  Span<DataType> segmentView(Int32 rank) const
  {
    return asSpan<DataType>(m_base.segmentView(rank));
  }
 
 private:
 
  MachineShMemWinVariableBase m_base;
};
 
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} // End namespace Arcane
 
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#endif