/* -*- Mode: c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *  (C) 2013 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

/* Regression test for ticket #1785, contributed by Jed Brown.  The test was

 * hanging indefinitely under a buggy version of ch3:sock. */

#include <mpi.h>

#include <stdio.h>

#include <unistd.h>

int main(int argc, char *argv[])

{

    MPI_Request barrier;

    int rank, i, done;

    MPI_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank;;

    MPI_Ibarrier(MPI_COMM_WORLD, &barrier);

    for (i = 0, done = 0; !done; i++) {

        usleep(1000);

        /*printf("[%d] MPI_Test: %d\n",rank,i); */

        MPI_Test(&barrier, &done, MPI_STATUS_IGNORE);

    }

    if (rank == 0)

        printf(" No Errors\n");

    MPI_Finalize();

    return 0;

}