/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2015 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include <mpi.h>
#include <stdlib.h>
#include <stdio.h>
#include "mpitest.h"
/* tests multiple invocations of MPI_Comm_free_keyval on the same keyval */
int delete_fn(MPI_Comm comm, int keyval, void *attr, void *extra);
int delete_fn(MPI_Comm comm, int keyval, void *attr, void *extra)
{
MPI_Comm_free_keyval(&keyval);
return MPI_SUCCESS;
}
int main(int argc, char **argv)
{
MPI_Comm duped;
int keyval = MPI_KEYVAL_INVALID;
int keyval_copy = MPI_KEYVAL_INVALID;
int errs = 0;
MTest_Init(&argc, &argv);
MPI_Comm_dup(MPI_COMM_SELF, &duped);
MPI_Comm_create_keyval(MPI_NULL_COPY_FN, delete_fn, &keyval, NULL);
keyval_copy = keyval;
MPI_Comm_set_attr(MPI_COMM_SELF, keyval, NULL);
MPI_Comm_set_attr(duped, keyval, NULL);
MPI_Comm_free(&duped); /* first MPI_Comm_free_keyval */
MPI_Comm_free_keyval(&keyval); /* second MPI_Comm_free_keyval */
MPI_Comm_free_keyval(&keyval_copy); /* third MPI_Comm_free_keyval */
MTest_Finalize(errs);
MPI_Finalize(); /* fourth MPI_Comm_free_keyval */
return 0;
}