ref: e1e9167cc8b847dfb3b37df4dc041d20ac271010
dir: /lib/thread/ncpu+openbsd.myr/
use std use sys pkg thread = const ncpu : (-> int) ;; const ncpu = { var mib : int[2] var ncpu : int var ncpusz var res mib[0] = 6 /* CTL_HW */ mib[1] = 3 /* HW_NCPU */ ncpusz = sizeof(int) res = sys.sysctl(mib[:], (&ncpu : void#), &ncpusz, (0 : void#), (0 : sys.size#)) if res < 0 || ncpu <= 0 -> 1 ;; -> ncpu }