python退出阻塞线程？

import threading

def my_function():
    # 这里是你的阻塞线程代码

my_thread = threading.Thread(target=my_function)
my_thread.start()
my_thread.join()

import threading

def my_function(stop_event):
    while not stop_event.is_set():
        # 这里是你的阻塞线程代码

stop_event = threading.Event()
my_thread = threading.Thread(target=my_function, args=(stop_event,))
my_thread.start()

# 当需要退出阻塞线程时
stop_event.set()
my_thread.join()