1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
4 * (C) 2001 by Argonne National Laboratory.
5 * See COPYRIGHT in top-level directory.
11 void MissingKeyval( int rc, const char keyname[] );
13 int main( int argc, char **argv)
22 MTest_Init( &argc, &argv );
23 MPI_Comm_size( MPI_COMM_WORLD, &size );
24 MPI_Comm_rank( MPI_COMM_WORLD, &rank );
26 /* Set errors return so that we can provide better information
27 should a routine reject one of the attribute values */
28 MPI_Errhandler_set( MPI_COMM_WORLD, MPI_ERRORS_RETURN );
30 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_TAG_UB, &v, &flag );
32 MissingKeyval( rc, "MPI_TAG_UB" );
38 fprintf( stderr, "Could not get TAG_UB\n" );
44 fprintf( stderr, "Got too-small value (%d) for TAG_UB\n", vval );
49 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_HOST, &v, &flag );
51 MissingKeyval( rc, "MPI_HOST" );
57 fprintf( stderr, "Could not get HOST\n" );
61 if ((vval < 0 || vval >= size) && vval != MPI_PROC_NULL) {
63 fprintf( stderr, "Got invalid value %d for HOST\n", vval );
68 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_IO, &v, &flag );
70 MissingKeyval( rc, "MPI_IO" );
76 fprintf( stderr, "Could not get IO\n" );
80 if ((vval < 0 || vval >= size) && vval != MPI_ANY_SOURCE &&
81 vval != MPI_PROC_NULL) {
83 fprintf( stderr, "Got invalid value %d for IO\n", vval );
88 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_WTIME_IS_GLOBAL, &v, &flag );
90 MissingKeyval( rc, "MPI_WTIME_IS_GLOBAL" );
95 /* Wtime need not be set */
97 if (vval < 0 || vval > 1) {
99 fprintf( stderr, "Invalid value for WTIME_IS_GLOBAL (got %d)\n",
105 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_APPNUM, &v, &flag );
107 MissingKeyval( rc, "MPI_APPNUM" );
111 /* appnum need not be set */
116 fprintf( stderr, "MPI_APPNUM is defined as %d but must be nonnegative\n", vval );
121 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, &v, &flag );
123 MissingKeyval( rc, "MPI_UNIVERSE_SIZE" );
127 /* MPI_UNIVERSE_SIZE need not be set */
132 fprintf( stderr, "MPI_UNIVERSE_SIZE = %d, less than comm world (%d)\n", vval, size );
137 rc = MPI_Attr_get( MPI_COMM_WORLD, MPI_LASTUSEDCODE, &v, &flag );
139 MissingKeyval( rc, "MPI_LASTUSEDCODE" );
143 /* Last used code must be defined and >= MPI_ERR_LASTCODE */
146 if (vval < MPI_ERR_LASTCODE) {
148 fprintf( stderr, "MPI_LASTUSEDCODE points to an integer (%d) smaller than MPI_ERR_LASTCODE (%d)\n", vval, MPI_ERR_LASTCODE );
153 fprintf( stderr, "MPI_LASTUSECODE is not defined\n" );
157 MPI_Errhandler_set( MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL );
159 MTest_Finalize( errs );
165 void MissingKeyval( int errcode, const char keyname[] )
168 char string[MPI_MAX_ERROR_STRING];
170 MPI_Error_class( errcode, &errclass );
171 MPI_Error_string( errcode, string, &slen );
172 printf( "For key %s: Error class %d (%s)\n", keyname, errclass, string );