1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include "mpi.h"
#include "mpitest.h"
int key = MPI_KEYVAL_INVALID;
char a[100];
int delete_fn(MPI_Comm, int, void *, void *);
int main(int argc, char **argv)
{
MPI_Comm scomm;
int errs = 0;
MTest_Init(&argc, &argv);
MPI_Comm_split(MPI_COMM_WORLD, 1, 0, &scomm);
MPI_Comm_create_keyval(MPI_NULL_COPY_FN, delete_fn, &key, &errs);
MPI_Comm_set_attr(scomm, key, a);
MPI_Comm_free(&scomm);
MPI_Comm_free_keyval(&key);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
int delete_fn(MPI_Comm comm, int keyval, void *attr_val, void *extra_state)
{
/* The standard is not explicit that the 'comm' argument of
* delete_fn must be valid, so this test is only in effect when
* !USE_STRICT_MPI. */
#ifndef USE_STRICT_MPI
int err, flg, *errs = extra_state;
void *ptr;
if (comm == MPI_COMM_NULL) {
printf("MPI_COMM_NULL passed to delete_fn\n");
(*errs)++;
}
err = MPI_Comm_get_attr(comm, key, &ptr, &flg);
if (err != MPI_SUCCESS) {
printf("MPI_Comm_get_attr returned error %d, presumably due to invalid communicator\n",
err);
(*errs)++;
}
#endif
return 0;
}
|
