open_memory_backing_file

openvmm_helpers::shared_memory

Function open_memory_backing_file 

Source 
pub fn open_memory_backing_file(
    path: &Path,
    size: u64,
) -> Result<SharedMemoryFd>
Expand description

Open (or create) a file to back guest RAM, and return the appropriate fd/handle for use as shared memory.

If the file is newly created (size 0), it is extended to size bytes. If it already exists with a different size, an error is returned.