October 2003
Intermediate to advanced
1072 pages
24h 21m
English
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Scatter-Gather I/O
In this section, we'll explore Windows' scatter-gather I/O facility and build a sample app that makes use of it. If you haven't yet read the first part of this chapter, you should probably do so before continuing.
Key Scatter-Gather I/O Terms and Concepts
✓ Sector— a hardware-addressable block on a storage medium such as a hard disk. The sector size for hard disks on x86 computers is almost always 512 bytes. This means that if Windows wants to write to byte 11 or 27, it must write to the first sector of the disk; if it wants to write to byte 1961, it must write to the fourth sector of the disk. You can retrieve the sector size for a disk via the GetDiskFreeSpace Win32 API function.
✓ Cluster— an addressable block of sectors ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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