Struct mmap::MemoryMap
[−]
[src]
pub struct MemoryMap {
// some fields omitted
}A memory mapped file or chunk of memory. This is a very system-specific
interface to the OS's memory mapping facilities (mmap on POSIX,
VirtualAlloc/CreateFileMapping on Windows). It makes no attempt at
abstracting platform differences, besides in error values returned. Consider
yourself warned.
The memory map is released (unmapped) when the destructor is run, so don't let it leave scope by accident if you want it to stick around.
Methods
impl MemoryMap
fn new(min_len: usize, options: &[MapOption]) -> Result<MemoryMap, MapError>
Create a new mapping with the given options, at least min_len bytes
long. min_len must be greater than zero; see the note on
ErrZeroLength.
fn granularity() -> usize
Granularity that the offset or address must be for MapOffset and
MapAddr respectively.
impl MemoryMap
fn data(&self) -> *mut u8
Returns the pointer to the memory created or modified by this map.
fn len(&self) -> usize
Returns the number of bytes this map applies to.
fn kind(&self) -> MemoryMapKind
Returns the type of mapping this represents.