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

/*

 *  (C) 2001 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[])

{

    int rank;

    int sendMsg = 123;

    int recvMsg = 0;

    int flag = 0;

    int count;

    MPI_Status status;

    MPI_Request request;

    int errs = 0;

    MTest_Init(0, 0);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank;;

    if (rank == 0) {

        MPI_Isend(&sendMsg, 1, MPI_INT, 0, 0, MPI_COMM_WORLD, &request);

        while (!flag) {

            MPI_Iprobe(0, 0, MPI_COMM_WORLD, &flag, &status);

        }

        MPI_Get_count(&status, MPI_INT, &count);

        if (count != 1) {

            errs++;

        }

        MPI_Recv(&recvMsg, 1, MPI_INT, 0, 0, MPI_COMM_WORLD, &status);

        if (recvMsg != 123) {

            errs++;

        }

        MPI_Wait(&request, &status);

    }

    MTest_Finalize(errs);

    MPI_Finalize();

    return 0;

}