+++ /dev/null
-/*
-
- Exercise attribute routines.
- This version checks for correct behavior of the copy and delete functions
- on an attribute, particularly the correct behavior when the routine returns
- failure.
-
- */
-#include <stdio.h>
-#include "mpi.h"
-#include "test.h"
-
-int test_communicators ( void );
-void abort_msg ( const char *, int );
-int copybomb_fn ( MPI_Comm, int, void *, void *, void *, int * );
-int deletebomb_fn ( MPI_Comm, int, void *, void * );
-
-int main( int argc, char **argv )
-{
- MPI_Init( &argc, &argv );
- test_communicators();
- Test_Waitforall( );
- MPI_Finalize();
- return 0;
-}
-
-/*
- * MPI 1.2 Clarification: Clarification of Error Behavior of
- * Attribute Callback Functions
- * Any return value other than MPI_SUCCESS is erroneous. The specific value
- * returned to the user is undefined (other than it can't be MPI_SUCCESS).
- * Proposals to specify particular values (e.g., user's value) failed.
- */
-/* Return an error as the value */
-int copybomb_fn( MPI_Comm oldcomm, int keyval, void *extra_state,
- void *attribute_val_in, void *attribute_val_out, int *flag)
-{
-/* Note that if (sizeof(int) < sizeof(void *), just setting the int
- part of attribute_val_out may leave some dirty bits
- */
- *flag = 1;
- return MPI_ERR_OTHER;
-}
-
-/* Set delete flag to 1 to allow the attribute to be deleted */
-static int delete_flag = 0;
-int deletebomb_fn( MPI_Comm comm, int keyval, void *attribute_val,
- void *extra_state)
-{
- if (delete_flag) return MPI_SUCCESS;
- return MPI_ERR_OTHER;
-}
-
-void abort_msg( const char *str, int code )
-{
- fprintf( stderr, "%s, err = %d\n", str, code );
- MPI_Abort( MPI_COMM_WORLD, code );
-}
-
-int test_communicators( void )
-{
- MPI_Comm dup_comm_world, d2;
- ptrdiff_t world_rank;
- int world_size, key_1;
- int err;
- MPI_Aint value;
- int rank;
- MPI_Comm_rank( MPI_COMM_WORLD, &rank );
- world_rank=rank;
- MPI_Comm_size( MPI_COMM_WORLD, &world_size );
- if (world_rank == 0) {
- printf( "*** Attribute copy/delete return codes ***\n" );
- }
-
- MPI_Comm_dup( MPI_COMM_WORLD, &dup_comm_world );
- MPI_Barrier( dup_comm_world );
-
- MPI_Errhandler_set( dup_comm_world, MPI_ERRORS_RETURN );
-
- value = - 11;
- if ((err=MPI_Keyval_create( copybomb_fn, deletebomb_fn, &key_1, &value )))
- abort_msg( "Keyval_create", err );
-
- err = MPI_Attr_put( dup_comm_world, key_1, (void *)world_rank );
- if (err) {
- printf( "Error with first put\n" );
- }
-
- err = MPI_Attr_put( dup_comm_world, key_1, (void *)(2*world_rank) );
- if (err == MPI_SUCCESS) {
- printf( "delete function return code was MPI_SUCCESS in put\n" );
- }
-
- /* Because the attribute delete function should fail, the attribute
- should *not be removed* */
- err = MPI_Attr_delete( dup_comm_world, key_1 );
- if (err == MPI_SUCCESS) {
- printf( "delete function return code was MPI_SUCCESS in delete\n" );
- }
-
- err = MPI_Comm_dup( dup_comm_world, &d2 );
- if (err == MPI_SUCCESS) {
- printf( "copy function return code was MPI_SUCCESS in dup\n" );
- }
- if (err && d2 != MPI_COMM_NULL) {
- printf( "dup did not return MPI_COMM_NULL on error\n" );
- }
-
- delete_flag = 1;
- MPI_Comm_free( &dup_comm_world );
-
- return 0;
-}
-
