ARINC653P1-3 653P1-3 Avionics Application Software Standard Interface, Part 1, Required Services

Document Status: Superseded

The primary objective of this Specification is to define a general-purpose APEX (APplication/EXecutive) interface between the Operating System (O/S) of an avionics computer resource and the application software. Included within this specification are the interface requirements between the application software and the O/S and the list of services which allow the application software to control the scheduling, communication, and status information of its internal processing elements.