Function hdd_standby::get_power_state

pub fn get_power_state(path: &str) -> Result<PowerState, Error>

Query the power status of the given device

You must have the necessary rights to open the device file in read only mode, otherwise Error::NoAccess will be returned.

Example

let status = get_power_state("/dev/sda");
println!("{:?}", status.unwrap_or(PowerState::Unknown));