October 2004
Intermediate to advanced
576 pages
17h 59m
English
Content preview from Windows System Programming Third Edition
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CHAPTER 5 MEMORY MANAGEMENT, MEMORY-MAPPED FILES, AND DLLS
File mapping has two other notable limitations.
• A file mapping cannot be expanded. You need to know the maximum size
when creating the file mapping, and it may be difficult or impossible to
determine this size.
•There is no way to allocate memory within a mapped
memory region without
creating your own memory management functions. It would be convenient if
there were a way to specify a file mapping and a pointer returned by
and obtain a heap handle.
Summary: File Mapping
Here is the standard sequence required by file mapping.
1. Open the file. Be certain that it has
access.
2. If the f
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