Function nc::getrusage

pub fn getrusage(who: i32, usage: &mut rusage_t) -> Result<(), Errno>

Get resource usage.

let mut usage = nc::rusage_t::default();
let ret = nc::getrusage(nc::RUSAGE_SELF, &mut usage);
assert!(ret.is_ok());
assert!(usage.ru_maxrss > 0);
assert_eq!(usage.ru_nswap, 0);