27.3. The object model and object manager

The design used in Windows NT and Windows 2000 has taken object-based structuring further than most commercial operating systems. An object is an instance of an object type. An attribute of an object is part of its state (a data field). Object services are the means by which objects are manipulated. The public service interface of Figure 27.2 contains services for executive objects; see also below. The term 'method' which is often used for objects' interface operations is used more specifically here; see later. Some client subsystems such as Win32 and POSIX require that a child process should inherit resources from a parent (recall the UNIX fork operation), and this is easily arranged via object mechanisms. ...

Get Operating Systems: Concurrent and Distributed Software Design now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.