File: waitany_null.c

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

#include <stdio.h>
#include <stdlib.h>
#include "mpitestconf.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "mpi.h"
#include "mpitest.h"

static int verbose = 0;

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

int main(int argc, char *argv[])
{
    int i, err, errs = 0, rank;

    int index;
    MPI_Request requests[10];
    MPI_Status statuses[10];

    MTest_Init(&argc, &argv);
    parse_args(argc, argv);

    for (i = 0; i < 10; i++) {
        requests[i] = MPI_REQUEST_NULL;
    }

    /* begin testing */
    /* To improve reporting of problems about operations, we
     * change the error handler to errors return */
    MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);

    err = MPI_Waitany(10, requests, &index, statuses);

    if (err != MPI_SUCCESS) {
        errs++;
        fprintf(stderr, "MPI_Waitany did not return MPI_SUCCESS\n");
    }

    if (index != MPI_UNDEFINED) {
        errs++;
        fprintf(stderr, "MPI_Waitany did not set index to MPI_UNDEFINED\n");
    }

    /* end testing */

    MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MTest_Finalize(errs);
    return MTestReturnValue(errs);
}

int parse_args(int argc, char **argv)
{
    /*
     * int ret;
     *
     * while ((ret = getopt(argc, argv, "v")) >= 0)
     * {
     * switch (ret) {
     * case 'v':
     * verbose = 1;
     * break;
     * }
     * }
     */
    if (argc > 1 && strcmp(argv[1], "-v") == 0)
        verbose = 1;
    return 0;
}