Function set_file_handle_times 

pub fn set_file_handle_times(
    f: &File,
    atime: Option<FileTime>,
    mtime: Option<FileTime>,
) -> Result<()>

Set the last access and modification times for a file handle.

This function will either or both of the atime and mtime metadata fields for a file handle , returning any error encountered. If None is specified then the time won’t be updated. If None is specified for both options then no action is taken.