Python的线程之线程同步

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2021/11/21 12:02 上午
# @Author : LeiXueWei
# @CSDN/Juejin/Wechat: 雷学委
# @XueWeiTag: CodingDemo
# @File : __init__.py.py
# @Project : hello

import threading
import datetime
import time


def dianzan_guanzhu(lock: threading.Lock):
    thread_name = threading.current_thread().getName()
    print("线程启动了:", thread_name)
    now = datetime.datetime.now()
    name = "Python萌新" + thread_name
    lock.acquire()
    print("%s - %s name:%s" % (thread_name, now, name))
    time.sleep(1)
    result = "好棒！" + name + " 关注雷学委,学会了开发知识！"
    print("%s - %s result:%s" % (thread_name, now, result))
    lock.release()
    return result


my_lock = threading.Lock()
for i in range(3):
    mythread = threading.Thread(name="t-" + str(i), target=lambda: dianzan_guanzhu(my_lock))
    print("mythread:", mythread)
    print("is_alive:", mythread.is_alive())
    mythread.start()
    ac = threading.active_count()
    print("active_count:", ac)