12. The apparatus of claim 7, wherein said object-oriented class library comprises object-oriented scheduling classes for enabling said application to access in an object-oriented manner said services to schedule execution of said thread of execution.
12. The apparatus of claim 7, wherein said object-oriented class library comprises object-oriented scheduling classes for enabling said application to access in an object-oriented manner said services to schedule execution of said thread of execution. 13. The apparatus of claim 12 in which an actual scheduling priority, a default scheduling priority, and a maximum scheduling priority are associated with said application, said scheduling classes defining one or more scheduling priorities, said object-oriented class library including methods for setting each of said actual, default, and maximum scheduling priorities of said application to one of said scheduling priorities.