3.6 Closing a Session

When an application no longer requires the use of a particular service, it issues a WFSClose or WFSAsyncClose request. The WOSA/XFS subsystem then closes that session as follows:

If the WOSA/XFS subsystem loses connection to an application, it closes the session as described above, and:

Note that it is required that some application have registered for system events, or these events are effectively not reported.