(under the class definition) Subject matter comprising means or steps for granting access to a shared resource of a computer of digital data processing system by one of a plurality of components of the computer or digital data processing system by interrogating each of the components in a predetermined order.
(1) Note. Processes and apparatus for access polling of general utility are classified herein. Processes and apparatus for access polling of peripherals and for access polling of a bus are classified elsewhere in this class. See the SEE OR SEARCH THIS CLASS, SUBCLASS notes below.
(2) Note. Processes and apparatus for regulating simultaneous access to a computer network are classified elsewhere. See the SEE OR SEARCH CLASS notes below.
(3)
Note. Processes and apparatus for regulating simultaneous access to shared memory are classified elsewhere. See the SEE OR SEARCH CLASS notes below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
28, for direct memory access (DMA) with access regulating
36+, for digital data processing system input/output access regulating.
46-47, for access polling of peripherals.
107+, for bus access regulating in a digital data processing system.
109, for access polling of a bus.
SEE OR SEARCH CLASS
370, Multiplex Communications,
445+, for bus contention including carrier sense.
711, Electrical Computers and Digital Processing Systems: Memory,
150, for regulating simultaneous access to shared memory.
