walberla_init.hpp

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/*
 * Copyright (C) 2019-2023 The ESPResSo project
 *
 * This file is part of ESPResSo.
 *
 * ESPResSo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ESPResSo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <walberla_bridge/utils/ResourceManager.hpp>
 
#include <memory>
 
namespace walberla {
 
/** @brief Initialize waLBerla's MPI manager and environment. */
void mpi_init();
 
/** @brief Release waLBerla's MPI manager and environment. */
void mpi_deinit();
 
/** @brief Re-initialize waLBerla's MPI Cartesian communicator. */
void mpi_reinit(int const *cart_topol);
 
/** @brief Get a lock on waLBerla's global resources for VTK. */
std::unique_ptr<ResourceManager> get_vtk_dependent_resources();
 
/** @brief Get an observer on waLBerla's MPI Cartesian communicator status. */
ResourceObserver get_mpi_cart_comm_observer();
 
} // namespace walberla