LOGICAL MiCheckPurgeAndUpMapCount( IN PCONTROL_AREA ControlArea ); Routine Description: This routine synchronizes with any on going purge operations on the same segment (identified via the control area). If another purge operation is occurring, the function blocks until it is completed. When this function returns the MappedView and the NumberOfUserReferences count for the control area will be incremented thereby referencing the control area. Arguments: ControlArea - Supplies the control area for the segment to be purged. Return Value: TRUE if the synchronization was successful. FALSE if the synchronization did not occur due to low resources, etc. Environment: Kernel Mode.