1 /*
2  * Copyright (C) by Argonne National Laboratory
3  *     See COPYRIGHT in top-level directory
4  */
5 
6 #include <stdio.h>
7 #include "mpi.h"
8 #include "mpitest.h"
9 
main(int argc,char ** argv)10 int main(int argc, char **argv)
11 {
12     int errs = 0;
13     void *v;
14     int flag;
15     int vval;
16     int rank, size;
17 
18     MTest_Init(&argc, &argv);
19     MPI_Comm_size(MPI_COMM_WORLD, &size);
20     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
21 
22     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_TAG_UB, &v, &flag);
23     if (!flag) {
24         errs++;
25         fprintf(stderr, "Could not get TAG_UB\n");
26     } else {
27         vval = *(int *) v;
28         if (vval < 32767) {
29             errs++;
30             fprintf(stderr, "Got too-small value (%d) for TAG_UB\n", vval);
31         }
32     }
33 
34     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_HOST, &v, &flag);
35     if (!flag) {
36         errs++;
37         fprintf(stderr, "Could not get HOST\n");
38     } else {
39         vval = *(int *) v;
40         if ((vval < 0 || vval >= size) && vval != MPI_PROC_NULL) {
41             errs++;
42             fprintf(stderr, "Got invalid value %d for HOST\n", vval);
43         }
44     }
45     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_IO, &v, &flag);
46     if (!flag) {
47         errs++;
48         fprintf(stderr, "Could not get IO\n");
49     } else {
50         vval = *(int *) v;
51         if ((vval < 0 || vval >= size) && vval != MPI_ANY_SOURCE && vval != MPI_PROC_NULL) {
52             errs++;
53             fprintf(stderr, "Got invalid value %d for IO\n", vval);
54         }
55     }
56 
57     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_WTIME_IS_GLOBAL, &v, &flag);
58     if (flag) {
59         /* Wtime need not be set */
60         vval = *(int *) v;
61         if (vval < 0 || vval > 1) {
62             errs++;
63             fprintf(stderr, "Invalid value for WTIME_IS_GLOBAL (got %d)\n", vval);
64         }
65     }
66 
67     /* MPI 2.0, section 5.5.3 - MPI_APPNUM should be set if the program is
68      * started with more than one executable name (e.g., in MPMD instead
69      * of SPMD mode).  This is independent of the dynamic process routines,
70      * and should be supported even if MPI_COMM_SPAWN and friends are not. */
71     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_APPNUM, &v, &flag);
72     /* appnum need not be set */
73     if (flag) {
74         vval = *(int *) v;
75         if (vval < 0) {
76             errs++;
77             fprintf(stderr, "MPI_APPNUM is defined as %d but must be nonnegative\n", vval);
78         }
79     }
80 
81     /* MPI 2.0 section 5.5.1.  MPI_UNIVERSE_SIZE need not be set, but
82      * should be present.  */
83     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, &v, &flag);
84     /* MPI_UNIVERSE_SIZE need not be set */
85     if (flag) {
86         /* But if it is set, it must be at least the size of comm_world */
87         vval = *(int *) v;
88         if (vval < size) {
89             errs++;
90             fprintf(stderr, "MPI_UNIVERSE_SIZE = %d, less than comm world (%d)\n", vval, size);
91         }
92     }
93 
94     MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_LASTUSEDCODE, &v, &flag);
95     /* Last used code must be defined and >= MPI_ERR_LASTCODE */
96     if (flag) {
97         vval = *(int *) v;
98         if (vval < MPI_ERR_LASTCODE) {
99             errs++;
100             fprintf(stderr,
101                     "MPI_LASTUSEDCODE points to an integer (%d) smaller than MPI_ERR_LASTCODE (%d)\n",
102                     vval, MPI_ERR_LASTCODE);
103         }
104     } else {
105         errs++;
106         fprintf(stderr, "MPI_LASTUSECODE is not defined\n");
107     }
108 
109     MTest_Finalize(errs);
110 
111     return MTestReturnValue(errs);
112 }
113