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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* ParaStation
*
* Copyright (C) 2023 ParTec AG, Munich
*
* This file may be distributed under the terms of the Q Public License
* as defined in the file LICENSE.QPL included in the packaging of this
* file.
*/
#include <stdio.h>
#include "mpi.h"
#include "mpitest.h"
int errs = 0;
int calls = 0;
void eh(MPI_Comm * comm, int *err, ...)
{
calls++;
return;
}
/* Test for the errhandler arg of MPI_Comm_create_from_group */
int main(int argc, char *argv[])
{
int rc;
char *pset_name = "mpi://WORLD";
MPI_Session shandle = MPI_SESSION_NULL;
MPI_Group ghandle = MPI_GROUP_NULL;
MPI_Comm comm = MPI_COMM_NULL;
MPI_Errhandler errhandler = MPI_ERRHANDLER_NULL;
rc = MPI_Session_init(MPI_INFO_NULL, MPI_ERRORS_RETURN, &shandle);
if (rc != MPI_SUCCESS) {
errs++;
fprintf(stderr, "MPI_Session_init returned error code: %i\n", rc);
goto fn_exit;
}
MPI_Comm_create_errhandler(eh, &errhandler);
MPI_Session_set_errhandler(shandle, MPI_ERRORS_RETURN);
/* create a group from the WORLD process set */
rc = MPI_Group_from_session_pset(shandle, pset_name, &ghandle);
if (rc != MPI_SUCCESS) {
errs++;
goto fn_exit;
}
/* try to get a communicator with NULL comm as arg */
rc = MPI_Comm_create_from_group(ghandle, "org.mpi-forum.mpi-v4_0.example-ex10_8",
MPI_INFO_NULL, errhandler, NULL);
if (rc == MPI_SUCCESS) {
errs++;
goto fn_exit;
}
/* get a communicator */
rc = MPI_Comm_create_from_group(ghandle, "org.mpi-forum.mpi-v4_0.example-ex10_8",
MPI_INFO_NULL, errhandler, &comm);
if (rc != MPI_SUCCESS) {
errs++;
goto fn_exit;
}
if (calls != 1) {
/* errhandler should have been called exactly once at this point */
errs++;
fprintf(stderr, "Errhandler of MPI_Comm_create_from_group called %i times (expected 1)\n",
calls);
}
fn_exit:
if (ghandle != MPI_GROUP_NULL) {
MPI_Group_free(&ghandle);
}
if (comm != MPI_COMM_NULL) {
MPI_Comm_free(&comm);
}
if (errhandler != MPI_ERRHANDLER_NULL) {
MPI_Errhandler_free(&errhandler);
}
rc = MPI_Session_finalize(&shandle);
if (rc != MPI_SUCCESS) {
errs++;
fprintf(stderr, "MPI_Session_finalize returned error code: %i\n", rc);
}
if (errs == 0) {
fprintf(stdout, " No Errors\n");
} else {
fprintf(stderr, "%d Errors\n", errs);
}
return MTestReturnValue(errs);
}
|
