nc 0.9.8

Access system calls directly
Documentation 
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/// Set scheduling paramters.
pub unsafe fn _sched_setparam(
    pid: pid_t,
    lid: lwpid_t,
    policy: i32,
    param: &sched_param_t,
) -> Result<(), Errno> {
    let pid = pid as usize;
    let lid = lid as usize;
    let policy = policy as usize;
    let param_ptr = core::ptr::from_ref(param) as usize;
    unsafe { syscall4(SYS__SCHED_SETPARAM, pid, lid, policy, param_ptr).map(drop) }
}