starpu-max/mpi/include/starpu_mpi_ft.h

/* StarPU --- Runtime system for heterogeneous multicore architectures.
 *
 * Copyright (C) 2013-2020  Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
 *
 * StarPU is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 *
 * StarPU 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 Lesser General Public License in COPYING.LGPL for more details.
 */

#ifndef FT_STARPU_STARPU_MPI_FT_H
#define FT_STARPU_STARPU_MPI_FT_H

struct _starpu_mpi_checkpoint_template;
typedef struct _starpu_mpi_checkpoint_template* starpu_mpi_checkpoint_template;


/**
 * Registers a checkpoint template \p cp_template with the given arguments.
 * It is then ready to use with ::starpu_mpi_checkpoint_template_submit during the program execution.
 * A unique checkpoint id \p cp_id is requested from the user in order to
 * match with a corresponding ::starpu_mpi_init_from_checkpoint.
 *
 * The arguments following the cp_template and the checkpoint_id can be of the following types:
 * <ul>
 * <li> ::STARPU_R followed by a data handle and the backup rank;
 * <li> ::STARPU_DATA_ARRAY followed by an array of data handles,
 * its number of elements and a backup rank;
 * <li> ::STARPU_VALUE followed by a pointer to the unregistered value,
 * its size in bytes and a backup rank.
 * <li> The argument list must be ended by the value 0.
 * </ul>
 */
int starpu_mpi_checkpoint_template_register(starpu_mpi_checkpoint_template* cp_template, int cp_id, ...);

#endif //FT_STARPU_STARPU_MPI_FT_H