func (s *Weighted) TryAcquire(n int64) bool {
	s.mu.Lock()
	success := s.size-s.cur >= n && s.waiters.Len() == 0
	if success {
		s.cur += n
	}
	s.mu.Unlock()
	return success
}

// Release releases the semaphore with a weight of n.
func (s *Weighted) Release(n int64) {
	s.mu.Lock()
	s.cur -= n
	if s.cur < 0 {
		s.mu.Unlock()
		panic("semaphore: released more than held")
	}

// which Go of course has no choice but to respect.
func init() {
	var lim Rlimit
	if err := Getrlimit(RLIMIT_NOFILE, &lim); err == nil && lim.Cur != lim.Max {
		origRlimitNofile.Store(&lim)
		nlim := lim
		nlim.Cur = nlim.Max
		adjustFileLimit(&nlim)
		setrlimit(RLIMIT_NOFILE, &nlim)
	}
}

func Setrlimit(resource int, rlim *Rlimit) error {
	if resource == RLIMIT_NOFILE {

        }
    }

    private void addPlugin(Map<Plugin, Plugin> plugins, Plugin plugin) {
        Plugin cur = plugins.putIfAbsent(plugin, plugin);
        if (cur != null) {
            Map<String, PluginExecution> execs = new LinkedHashMap<>();
            cur.getExecutions().forEach(e -> execs.put(e.getId(), e));
            plugin.getExecutions().forEach(e -> {
                int i = 0;

}

// Add adds delta to v.
func (v *Float) Add(delta float64) {
	for {
		cur := v.f.Load()
		curVal := math.Float64frombits(cur)
		nxtVal := curVal + delta
		nxt := math.Float64bits(nxtVal)
		if v.f.CompareAndSwap(cur, nxt) {
			return
		}
	}
}

// Set sets v to value.
func (v *Float) Set(value float64) {
	v.f.Store(math.Float64bits(value))

			},
		),
	}
	c.syncHandler = c.syncClusterRole

	clusterRoleInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc: func(obj interface{}) {
			c.enqueue()
		},
		UpdateFunc: func(old, cur interface{}) {
			c.enqueue()
		},
		DeleteFunc: func(uncast interface{}) {
			c.enqueue()
		},
	})
	return c
}

	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

// { int, short, short } in poll.h
type PollFd struct {
	Fd      int32
	Events  int16
	Revents int16
}

type Stat_t struct { //Linux Definition
	Dev     uint64