#pragma once
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <fstream>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <mutex>
#include <set>
#include <sstream>
#include <string>
#include <vector>
namespace iflytop {
namespace core {
using namespace std;
class Singal {
  atomic<int> signalNum = {0};

  pthread_mutex_t    m_mutex = PTHREAD_MUTEX_INITIALIZER;
  pthread_cond_t     m_cond;
  pthread_condattr_t m_attr;

 public:
  Singal();
  bool sleep_for_us(int64_t us);

  bool sleep();
  void notify();
};
}  // namespace core
}  // namespace iflytop