Python 多线程的程序不结束多进程的程序不结束的区别

Posted 2021-02-03 缥缈映苍穹

import time
from threading import Thread
from multiprocessing import Process

#守护进程:主进程代码执行运行结束,守护进程随之结束

#守护线程:守护线程会等待所有非守护线程运行结束才结束

def f1():
    time.sleep(2)
    print(‘1号线程‘)

def f2():
    time.sleep(3)
    print(‘2号线程‘)
if __name__ == ‘__main__‘:
    # t1 = Thread(target=f1,)
    # t2 = Thread(target=f2,)
    # t1.daemon = True
    # t2.daemon = True
    # t1.start()
    # t2.start()
    # print(‘主线程结束‘)
    t1 = Process(target=f1, )
    t2 = Process(target=f2, )
    # t1.daemon = True
    # # t2.daemon = True
    t1.start()
    t2.start()

    print(‘主进程结束‘)