1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
4 * (C) 2003 by Argonne National Laboratory.
5 * See COPYRIGHT in top-level directory.
9 Exercise attribute routines.
10 This version checks for correct behavior of the copy and delete functions
11 on an attribute, particularly the correct behavior when the routine returns
19 int test_attrs ( void );
20 void abort_msg ( const char *, int );
21 int copybomb_fn ( MPI_Datatype, int, void *, void *, void *, int * );
22 int deletebomb_fn ( MPI_Datatype, int, void *, void * );
24 int main( int argc, char **argv )
27 MTest_Init( &argc, &argv );
29 MTest_Finalize( errs );
35 * MPI 1.2 Clarification: Clarification of Error Behavior of
36 * Attribute Callback Functions
37 * Any return value other than MPI_SUCCESS is erroneous. The specific value
38 * returned to the user is undefined (other than it can't be MPI_SUCCESS).
39 * Proposals to specify particular values (e.g., user's value) failed.
41 /* Return an error as the value */
42 int copybomb_fn( MPI_Datatype oldtype, int keyval, void *extra_state,
43 void *attribute_val_in, void *attribute_val_out, int *flag)
45 /* Note that if (sizeof(int) < sizeof(void *), just setting the int
46 part of attribute_val_out may leave some dirty bits
52 /* Set delete flag to 1 to allow the attribute to be deleted */
53 static int delete_flag = 0;
54 static int deleteCalled = 0;
56 int deletebomb_fn( MPI_Datatype type, int keyval, void *attribute_val,
60 if (delete_flag) return MPI_SUCCESS;
64 void abort_msg( const char *str, int code )
66 fprintf( stderr, "%s, err = %d\n", str, code );
67 MPI_Abort( MPI_COMM_WORLD, code );
71 int test_attrs( void )
73 MPI_Datatype dup_type, d2;
74 int world_rank, world_size, key_1;
78 MPI_Comm_rank( MPI_COMM_WORLD, &world_rank );
79 MPI_Comm_size( MPI_COMM_WORLD, &world_size );
81 if (world_rank == 0) {
82 printf( "*** Attribute copy/delete return codes ***\n" );
87 MPI_Type_dup( MPI_DOUBLE, &dup_type );
89 MPI_Errhandler_set( MPI_COMM_WORLD, MPI_ERRORS_RETURN );
92 if ((err=MPI_Type_create_keyval( copybomb_fn, deletebomb_fn, &key_1, &value )))
93 abort_msg( "Keyval_create", err );
95 err = MPI_Type_set_attr( dup_type, key_1, (void *) (MPI_Aint) world_rank );
98 printf( "Error with first put\n" );
101 err = MPI_Type_set_attr( dup_type, key_1, (void *) (MPI_Aint) (2*world_rank) );
102 if (err == MPI_SUCCESS) {
104 printf( "delete function return code was MPI_SUCCESS in put\n" );
107 /* Because the attribute delete function should fail, the attribute
108 should *not be removed* */
109 err = MPI_Type_delete_attr( dup_type, key_1 );
110 if (err == MPI_SUCCESS) {
112 printf( "delete function return code was MPI_SUCCESS in delete\n" );
115 err = MPI_Type_dup( dup_type, &d2 );
116 if (err == MPI_SUCCESS) {
118 printf( "copy function return code was MPI_SUCCESS in dup\n" );
120 #ifndef USE_STRICT_MPI
121 /* Another interpretation is to leave d2 unchanged on error */
122 if (err && d2 != MPI_DATATYPE_NULL) {
124 printf( "dup did not return MPI_DATATYPE_NULL on error\n" );
130 if (d2 != MPI_DATATYPE_NULL)
132 MPI_Type_free( &dup_type );
133 if (deleteCalled == 0) {
135 printf( "Free of a datatype did not invoke the attribute delete routine\n" );
137 MPI_Type_free_keyval( &key_1 );