2.12
Conclusion
This chapter presents many of the individual concepts involved in handling and manipulating files. In Windows, file access is quite interesting because of all of the different techniques available in the APIs: normal file I/O, overlapped I/O, compressed files, file mapping, and so on.
The CreateFile,
ReadFile, and WriteFile concepts discussed in this chapter apply not only to files, but also to several other I/O channels. For example, these same functions appear in Chapters 8, 11, and 14.
Chapter 7 discusses synchronization and contains several sections that discuss overlapped and extended overlapped I/O in detail. Section 6.11 discusses interprocess communication, and file mapping can be a very useful technique.
Chapters 3 and 4 show you how to access disk drives and directories. These concepts are important to the discussion of files because drives and directories hold the files that you access. Chapter 5 looks at the next-generation file management for distributed systems Active Directory.
See Chapter 13 for information on securing files.
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