pub unsafe fn fmap(fd: usize, map: &Map) -> Result<usize>
Expand description
Map a file into memory, but with the ability to set the address to map into, either as a hint or as a requirement of the map.
ยงErrors
EACCES
- the file descriptor was not open for reading
EBADF
- if the file descriptor was invalid
ENODEV
- mmapping was not supported
EINVAL
- invalid combination of flags
EEXIST
- if MapFlags::MAP_FIXED
was set, and the address specified was already in use.