/*D
   MPI_T_event_set_dropped_handler - Registers a function to be called when event information is dropped for the registration handle specified in event_registration

Synopsis:
.vb
int MPI_T_event_set_dropped_handler(MPI_T_event_registration event_registration,
                                    MPI_T_event_dropped_cb_function dropped_cb_function)
.ve

Input Parameters:
+ event_registration - valid event registration (handle)
- dropped_cb_function - pointer to user-defined callback function (function)

.N ThreadSafe

.N Errors
.N MPI_SUCCESS
.N MPI_T_ERR_INVALID_HANDLE
.N MPI_T_ERR_NOT_INITIALIZED
.N MPI_ERR_OTHER

D*/

