Run Control
* Waiting For Completion:: Waiting until an operation is completed.
-* Cancelling an Operation:: Interrupting a running operation.
* Using External Event Loops:: Advanced control over what happens when.
Using External Event Loops
@menu
* Waiting For Completion:: Waiting until an operation is completed.
-* Cancelling an Operation:: Interrupting a running operation.
* Using External Event Loops:: Advanced control over what happens when.
@end menu