取消接受和关闭Python处理/多处理侦听器连接的正确方法

import multiprocessing
import time
import signal

def worker(queue):
    while True:
        if queue.empty():
            break
        else:
            task = queue.get()
            print(f"Process {os.getpid()} processing task {task}")
            time.sleep(1)

def main():
    tasks = multiprocessing.Queue()
    for i in range(10):
        tasks.put(i)

    processes = [multiprocessing.Process(target=worker, args=(tasks,)) for _ in range(4)]

    for p in processes:
        p.start()

    def signal_handler(sig, frame):
        print("You pressed Ctrl+C. Exiting...")
        for p in processes:
            p.terminate()
        sys.exit(0)

    signal.signal(signal.SIGINT, signal_handler)

    for p in processes:
        p.join()

if __name__ == "__main__":
    main()