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
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include <assert.h>
#include "mpitest.h"
int main(int argc, char *argv[])
{
int errs = 0;
int ret;
MPI_Session session;
MPI_Group group;
MPI_Comm comm;
ret = MPI_Session_init(MPI_INFO_NULL, MPI_ERRORS_RETURN, &session);
if (ret != MPI_SUCCESS) {
errs++;
goto fn_exit;
}
ret = MPI_Group_from_session_pset(session, "mpi://self", &group);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Comm_create_from_group(group, "tag", MPI_INFO_NULL, MPI_ERRORS_RETURN, &comm);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Group_free(&group);
if (ret != MPI_SUCCESS) {
errs++;
}
MPI_Request req;
int send_data, recv_data;
int rank = 0;
int tag = 0;
ret = MPI_Irecv(&recv_data, 1, MPI_INT, rank, tag, comm, &req);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Send(&send_data, 1, MPI_INT, rank, tag, comm);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Wait(&req, MPI_STATUS_IGNORE);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Comm_free(&comm);
if (ret != MPI_SUCCESS) {
errs++;
}
ret = MPI_Session_finalize(&session);
if (ret != MPI_SUCCESS) {
errs++;
}
if (errs == 0) {
printf("No Errors\n");
}
fn_exit:
return errs;
}
|
