Thread Pool Deadlock While Task Wait about cpr HOT 1 OPEN

int ThreadPool::Stop() {
    std::unique_lock status_lock(status_wait_mutex); // <- this will lock the entire scope of Stop(), after notifying, 
// the mutex is still held during the notification which will not give the threads a chance to acquire it and get the notification (in the thread loop)
    
    if (STOP == status) {
      return -1;
    }
    status = STOP;
    status_wait_cond.notify_all();
    task_cond.notify_all();
    
    for (auto& i : threads) {
        if (i.thread->joinable()) {
            i.thread->join();
        }
    }

    threads.clear();
    cur_thread_num = 0;
    idle_thread_num = 0;
    
    return 0;
}

int ThreadPool::Stop() {
     { 
         // lock only this scope to ensure that the mutex is not held during the notification process, allowing the waiting threads to acquire it immediately after being awakened
          std::unique_lock status_lock(status_wait_mutex);
          if (STOP == status) {
            return -1;
          }
          status = STOP;
     }
    status_wait_cond.notify_all();
    task_cond.notify_all();

 ...
}