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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
/*
Having attr delete function to delete another attribute.
*/
#include "mpitest.h"
#include <stdio.h>
int key1, key2, key3;
int test_communicator(MPI_Comm comm);
int main(int argc, char **argv)
{
int errs;
MTest_Init(&argc, &argv);
errs = test_communicator(MPI_COMM_WORLD);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
static int key2_delete_fn(MPI_Comm comm, int keyval, void *attribute_val, void *extra_state)
{
MPI_Comm_delete_attr(comm, key1);
MPI_Comm_delete_attr(comm, key3);
return MPI_SUCCESS;
}
int test_communicator(MPI_Comm comm)
{
int errs = 0;
int rank, size;
MPI_Comm_rank(comm, &rank);
MPI_Comm_size(comm, &size);
MPI_Comm_create_keyval(MPI_NULL_COPY_FN, MPI_NULL_DELETE_FN, &key1, NULL);
MPI_Comm_create_keyval(MPI_NULL_COPY_FN, key2_delete_fn, &key2, NULL);
MPI_Comm_create_keyval(MPI_NULL_COPY_FN, MPI_NULL_DELETE_FN, &key3, NULL);
MPI_Comm_set_attr(comm, key1, (void *) (MPI_Aint) rank);
MPI_Comm_set_attr(comm, key2, (void *) (MPI_Aint) (rank + 100));
MPI_Comm_set_attr(comm, key3, (void *) (MPI_Aint) (rank + 200));
MPI_Comm_delete_attr(comm, key2);
MPI_Comm_free_keyval(&key1);
MPI_Comm_free_keyval(&key2);
MPI_Comm_free_keyval(&key3);
return errs;
}
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