Chapter 4. Drivers and Kernel-Mode Objects

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[oR]

CHAPTER OBJECTIVES

Data Objects and Windows 2000
I/O Request Packets (IRPs)
Driver Objects
Device Objects and Device Extensions
Controller Objects and Controller Extensions
Adapter Objects
Interrupt Objects
Summary

Data structures are the lifeblood of most operating systems as well as most complicated applications, and Windows 2000 is no exception. Windows 2000 is different from most operating systems because it uses a taste of object technology to manage its data structures. This chapter examines the Windows 2000 approach to data structures and objects, then introduces the major structures involved in processing I/O requests.

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