Home / cs-notes / Language / Java / Concurrent / Code / Synchronization / LockSupport / park

    public static void park() {
        UNSAFE.park(false, 0L);
    }

    public static void park(Object blocker) {
        Thread t = Thread.currentThread();
        setBlocker(t, blocker);
        UNSAFE.park(false, 0L);
        setBlocker(t, null);
    }

    public static void unpark(Thread thread) {
        if (thread != null)
            UNSAFE.unpark(thread);
    }