lxd/rbac/server.go
func (r *Server) StartStatusCheck() {
	// Initialize the last changed timestamp
	r.hasStatusChanged()

	r.statusDone = make(chan int)
	go func() {
		for {
			select {
			case <-r.statusDone:
				return
			case <-time.After(time.Minute):
				if r.hasStatusChanged() {
					r.flushCache()
				}
			}
		}
	}()
}
func (r *Server) StartStatusCheck() {
	// Initialize the last changed timestamp
	r.hasStatusChanged()

	r.statusDone = make(chan int)
	go func() {
		for {
			select {
			case <-r.statusDone:
				return
			case <-time.After(time.Minute):
				if r.hasStatusChanged() {
					r.flushCache()
				}
			}
		}
	}()
}
// StartStatusCheck starts a periodic status checker.