File-Mapping Objects - Win32 Programmer's Reference (win32.hlp)

File-Mapping Objects

A process or thread cannot wait on an access-token object because the access-token object type does not support the SYNCHRONIZE standard access type.

The access rights defined for file-mapping objects are STANDARD_RIGHTS_REQUIRED and the rights given in the following table.

Value	Meaning
FILE_MAP_READ	Read access to the file-mapping object is requested. This allows a readable view of the file to be mapped.
FILE_MAP_WRITE	Write access to the file mapping object is requested. This allows a writable view of the file to be mapped. If the file mapping access rights do not include PAGE_READWRITE, this access type does not allow writing the mapped file.
SECTION_EXTEND_SIZE	Required to extend the size of a file mapping object.
SECTION_MAP_EXECUTE	Required to complete an operation in a file mapping object.
SECTION_MAP_READ	Equivalent to FILE_MAP_READ.
SECTION_MAP_WRITE	Equivalent to FILE_MAP_WRITE.
SECTION_QUERY	Required to query a file mapping object.

If the call to the CreateFileMapping function specifies the PAGE_READWRITE protection flag, the handle to the file mapping object has SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE access. If the call to CreateFileMapping specifies PAGE_READONLY, the handle of the file mapping object has SECTION_QUERY | SECTION_MAP_READ access.

The FILE_MAP_ALL_ACCESS access right specifies all possible access rights for the file mapping object. The SECTION_ALL_ACCESS access right is equivalent to it.

For more information about file-mapping objects, see File Mapping.

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