Function nc::sched_setscheduler

pub fn sched_setscheduler(
    pid: pid_t, 
    policy: i32, 
    param: &sched_param_t
) -> Result<(), Errno>

Set scheduling parameter.

let sched_param = nc::sched_param_t { sched_priority: 12 };
let ret = nc::sched_setscheduler(0, nc::SCHED_RR, &sched_param);
assert_eq!(ret, Err(nc::EPERM));