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

/*

 *

 *  (C) 2012 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpi.h"

#include <stdio.h>

#include "mpitest.h"

#include "win_sync.h"

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

{

    int rank;

    int errors = 0, errs = 0;

    int buf = 0;

    MPI_Win win;

    MTest_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank;;

    MPI_Win_create(&buf, sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &win);

    MPI_Win_set_errhandler(win, MPI_ERRORS_RETURN);

    MPI_Win_lock(MPI_LOCK_SHARED, 0, MPI_MODE_NOCHECK, win);

    /* This should fail because the window is already locked */

    CHECK_ERR(MPI_Win_lock(MPI_LOCK_SHARED, 0, MPI_MODE_NOCHECK, win));

    MPI_Win_unlock(0, win);

    MPI_Win_free(&win);

    MTest_Finalize(errors);

    return MTestReturnValue(errs);

}