Guru's Guide to SQL Server Architecture and Internals, The

Memory-Mapped File I/O

This section concludes our discussion of Windows' I/O facilities. We'll finish up by discussing how to process files using memory-mapped file I/O. We'll construct a couple of sample apps that build on what we've done earlier in the chapter and use memory-mapped file I/O to scan a text file for a string. This section will leverage the things we've covered earlier in the chapter and in the rest of the book. If you haven't yet read the first part of the chapter, please work through it before continuing. You will probably also want to read Chapter 4 if you haven't already done so.

Key Memory-Mapped File I/O Terms and Concepts

✓ Shared memory— memory that is visible to multiple processes or that is present in the virtual address ...