python平滑停止程序

pythonCopy codeimport signal
import threading
import time

class GracefulStop:
    def __init__(self):
        self.stop_requested = threading.Event()

    def stop(self, signum, frame):
        print("Graceful stop requested.")
        self.stop_requested.set()

# 初始化平滑停止对象
graceful_stop = GracefulStop()

def main_program():
    while not graceful_stop.stop_requested.is_set():
        # 主程序逻辑
        print("Working...")
        time.sleep(1)

# 注册信号处理函数
signal.signal(signal.SIGINT, graceful_stop.stop)
signal.signal(signal.SIGTERM, graceful_stop.stop)

# 创建并启动主程序线程
main_thread = threading.Thread(target=main_program)
main_thread.start()

# 主线程等待信号
main_thread.join()

print("Program stopped gracefully.")