--- /dev/null
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ *
+ * (C) 2001 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_Errhandler_set( 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_Errhandler_set( MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL );
+
+ MTest_Finalize( errs );
+ MPI_Finalize( );
+
+ return 0;
+}
+
+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 );
+}