Access Mode
The access mode of the file, equal to one of the following values:
MMIO_READ
The file was opened only for reading.
MMIO_WRITE
The file was
opened only for writing.
MMIO_READWRITE
The
file was opened for both reading and writing.
File
Sharing Mode
The file sharing mode of the file, equal to one of the following values:
MMIO_COMPAT
The file was opened with compatibility
mode, allowing any process on a given system to open the file any number
of times.
MMIO_EXCLUSIVE
The
file was opened with exclusive mode, denying other processes both read and
write access to the file.
MMIO_DENYWRITE
Other
processes are denied write access to the file.
MMIO_DENYREAD
Other processes are denied read access to the file.
MMIO_DENYNONE
Other processes
are not denied read or write access to the file.
Other
Modes
Other modes of the file, equal to one or more of the following values:
MMIO_CREATE
mmioOpen
was directed to create the file, or truncate it to 0 length if it already
existed.
MMIO_ALLOCBUF
MMIO_BUFSHARED
Requests that if MMIO allocates the buffer, it
does so from shared memory.
MMIO_VERTBAR
Requests
that the vertical bar symbol (|) be used as a file separator character rather
than the plus sign (+).
MMIO_DELETE
MMIO_APPEND
Directs mmioOpen
to allow appending to the end of the file.
MMIO_DIRTY
Forces a write operation on an mmioAdvance
function for low-level I/O.
MMIO_NOIDENTIFY
Directs mmioOpen
not to attempt an automatic identification on this file.
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