File: p_barrier.c

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

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

int main(int argc, char *argv[])
{
    MPI_Request req;
    MPI_Info info;
    int rank, i, done;

    MTest_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MPI_Info_create(&info);
    MPI_Barrier_init(MPI_COMM_WORLD, info, &req);
    for (i = 0; i < 10; ++i) {
        MPI_Start(&req);
        MPI_Wait(&req, MPI_STATUS_IGNORE);
    }
    MPI_Request_free(&req);
    MPI_Info_free(&info);

    MTest_Finalize(0);
    return 0;
}