CPU_SET_ROOT
set->cs_flags = CPU_SET_ROOT | CPU_SET_RDONLY;
set->cs_flags |= CPU_SET_ROOT;
while ((set->cs_flags & CPU_SET_ROOT) == 0 && set->cs_parent != NULL)
if ((set->cs_flags & CPU_SET_ROOT) != 0 &&
if ((set->cs_flags & (CPU_SET_ROOT | CPU_SET_RDONLY)) == CPU_SET_ROOT) {
set->cs_flags & CPU_SET_ROOT)