Function add_global_ctrlc_handler 

pub fn add_global_ctrlc_handler<F: FnMut() + Send + 'static>(
    handler: F,
) -> Result<()>

Available on crate features cli and print only.

Add a global handler to handle Ctrl-C signals

See Handling Ctrl-C.

Note that this is only available with feature cli - since you should not be adding a global handler from a library.