File: nullpscw.c

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/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include <stdio.h>
#include <mpi.h>
#include "mpitest.h"

int main(int argc, char *argv[])
{
    MPI_Win win;
    MPI_Group group;
    int errs = 0;

    MTest_Init(&argc, &argv);

#ifdef USE_WIN_ALLOCATE
    char *baseptr;
    MPI_Win_allocate(0, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &baseptr, &win);
#else
    MPI_Win_create(NULL, 0, 1, MPI_INFO_NULL, MPI_COMM_WORLD, &win);
#endif
    MPI_Win_get_group(win, &group);

    MPI_Win_post(group, 0, win);
    MPI_Win_start(group, 0, win);

    MPI_Win_complete(win);

    MPI_Win_wait(win);

    MPI_Group_free(&group);
    MPI_Win_free(&win);

    MTest_Finalize(errs);
    return MTestReturnValue(errs);
}