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.