1 /*
2  * Copyright (C) by Argonne National Laboratory
3  *     See COPYRIGHT in top-level directory
4  */
5 
6 #include <mpi.h>
7 #include <stdlib.h>
8 #include <stdio.h>
9 #include "mpitest.h"
10 
11 /* tests multiple invocations of MPI_Type_free_keyval on the same keyval */
12 
13 int delete_fn(MPI_Comm comm, int keyval, void *attr, void *extra);
delete_fn(MPI_Comm comm,int keyval,void * attr,void * extra)14 int delete_fn(MPI_Comm comm, int keyval, void *attr, void *extra)
15 {
16     MPI_Type_free_keyval(&keyval);
17     return MPI_SUCCESS;
18 }
19 
main(int argc,char ** argv)20 int main(int argc, char **argv)
21 {
22     MPI_Datatype type;
23     MPI_Datatype type_dup;
24     int keyval = MPI_KEYVAL_INVALID;
25     int keyval_copy = MPI_KEYVAL_INVALID;
26     int errs = 0;
27 
28     MTest_Init(&argc, &argv);
29     MPI_Type_dup(MPI_INT, &type);
30     MPI_Type_dup(MPI_INT, &type_dup);
31 
32     MPI_Type_create_keyval(MPI_TYPE_NULL_COPY_FN, delete_fn, &keyval, NULL);
33     keyval_copy = keyval;
34     MPI_Type_set_attr(type, keyval, NULL);
35     MPI_Type_set_attr(type_dup, keyval, NULL);
36 
37     MPI_Type_free(&type);       /* first MPI_Type_free_keyval */
38     MPI_Type_free_keyval(&keyval);      /* second MPI_Type_free_keyval */
39     MPI_Type_free_keyval(&keyval_copy); /* third MPI_Type_free_keyval */
40     MPI_Type_free(&type_dup);   /* fourth MPI_Type_free_keyval */
41     MTest_Finalize(errs);
42     return MTestReturnValue(errs);
43 }
44