Electrical computers and digital processing systems: interprogra – Device driver communication
Reexamination Certificate
2003-08-22
2009-10-27
Zhen, Li B (Department: 2194)
Electrical computers and digital processing systems: interprogra
Device driver communication
C719S327000
Reexamination Certificate
active
07610589
ABSTRACT:
A method, used while building in processor memory a stack of device objects (DOs) representing a device, there being a multi-role driver for a plurality of roles at least one of which corresponds to the device, may include: registering a plurality of helper drivers so as to uniquely correspond to the plurality of roles, respectively, each helper driver mapping uniquely to one of the multiple roles of the multi-role driver, respectively; and indirectly specifying a corresponding one of the multiple roles of the multi-role driver by specifying the helper driver mapped thereto. A related apparatus and machine-readable medium bearing machine-readable instructions may include features similar to elements of the method.
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Hewlett--Packard Development Company, L.P.
Zhen Li B
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