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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include "mpi.h"
#include "mpitest.h"
void MissingKeyval(int rc, const char keyname[]);
int main(int argc, char **argv)
{
int errs = 0;
int rc;
void *v;
int flag;
int vval;
int rank, size;
MTest_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &size);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
/* Set errors return so that we can provide better information
* should a routine reject one of the attribute values */
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_TAG_UB, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_TAG_UB");
errs++;
} else {
if (!flag) {
errs++;
fprintf(stderr, "Could not get TAG_UB\n");
} else {
vval = *(int *) v;
if (vval < 32767) {
errs++;
fprintf(stderr, "Got too-small value (%d) for TAG_UB\n", vval);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_HOST, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_HOST");
errs++;
} else {
if (!flag) {
errs++;
fprintf(stderr, "Could not get HOST\n");
} else {
vval = *(int *) v;
if ((vval < 0 || vval >= size) && vval != MPI_PROC_NULL) {
errs++;
fprintf(stderr, "Got invalid value %d for HOST\n", vval);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_IO, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_IO");
errs++;
} else {
if (!flag) {
errs++;
fprintf(stderr, "Could not get IO\n");
} else {
vval = *(int *) v;
if ((vval < 0 || vval >= size) && vval != MPI_ANY_SOURCE && vval != MPI_PROC_NULL) {
errs++;
fprintf(stderr, "Got invalid value %d for IO\n", vval);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_WTIME_IS_GLOBAL, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_WTIME_IS_GLOBAL");
errs++;
} else {
if (flag) {
/* Wtime need not be set */
vval = *(int *) v;
if (vval < 0 || vval > 1) {
errs++;
fprintf(stderr, "Invalid value for WTIME_IS_GLOBAL (got %d)\n", vval);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_APPNUM, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_APPNUM");
errs++;
} else {
/* appnum need not be set */
if (flag) {
vval = *(int *) v;
if (vval < 0) {
errs++;
fprintf(stderr, "MPI_APPNUM is defined as %d but must be nonnegative\n", vval);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_UNIVERSE_SIZE");
errs++;
} else {
/* MPI_UNIVERSE_SIZE need not be set */
if (flag) {
vval = *(int *) v;
if (vval < size) {
errs++;
fprintf(stderr, "MPI_UNIVERSE_SIZE = %d, less than comm world (%d)\n", vval, size);
}
}
}
rc = MPI_Attr_get(MPI_COMM_WORLD, MPI_LASTUSEDCODE, &v, &flag);
if (rc) {
MissingKeyval(rc, "MPI_LASTUSEDCODE");
errs++;
} else {
/* Last used code must be defined and >= MPI_ERR_LASTCODE */
if (flag) {
vval = *(int *) v;
if (vval < MPI_ERR_LASTCODE) {
errs++;
fprintf(stderr,
"MPI_LASTUSEDCODE points to an integer (%d) smaller than MPI_ERR_LASTCODE (%d)\n",
vval, MPI_ERR_LASTCODE);
}
} else {
errs++;
fprintf(stderr, "MPI_LASTUSECODE is not defined\n");
}
}
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
void MissingKeyval(int errcode, const char keyname[])
{
int errclass, slen;
char string[MPI_MAX_ERROR_STRING];
MPI_Error_class(errcode, &errclass);
MPI_Error_string(errcode, string, &slen);
printf("For key %s: Error class %d (%s)\n", keyname, errclass, string);
fflush(stdout);
}
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