Method and apparatus for intercommunications amongst device...

Electrical computers and digital processing systems: interprogra – Device driver communication

Reexamination Certificate

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C719S322000, C719S323000, C719S324000, C719S327000, C710S010000

Reexamination Certificate

active

07979868

ABSTRACT:
Techniques for intercommunication amongst device drivers are described herein. In one embodiment, an application programming interface (API) is provided by a kernel of an operating system (OS) running within a data processing system. The API is accessible by device drivers associated with multiple devices installed in the system. In response to a request from a first instance of a driver via the API, information indicating whether another instance of the same driver is currently started is returned via the API. Other methods and apparatuses are also described.

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