| Member | Value | Description |
|---|---|---|
| LIBRARY_ASYNCH_RETVAL_ALREADY_RUNNING | -1 | LIBRARY_ASYNCH_RETVAL_ALREADY_RUNNING. |
| LIBRARY_ASYNCH_RETVAL_SUCCESFUL | 1 | LIBRARY_ASYNCH_RETVAL_SUCCESFUL. |
| LIBRARY_ASYNCH_RETVAL_THREAD_NOT_SPAWNED | -3 | LIBRARY_ASYNCH_RETVAL_THREAD_NOT_SPAWNED. |
| LIBRARY_ASYNCH_RETVAL_WRONG_LIBTYPE | -2 | LIBRARY_ASYNCH_RETVAL_WRONG_LIBTYPE. |