Python 35 线程（2）线程特性、守护线程、线程互斥锁

一：线程特性介绍

from threading import Thread
import time

n=100
def task():
    global n
    n=0

if __name__ == '__main__':
    t=Thread(target=task)
    t.start()
    t.join()
    print('主',n)


from threading import Thread
import time,os

def task():
    print('%s is running' %os.getpid())

if __name__ == '__main__':
    t=Thread(target=task)
    t.start()
    print('主',os.getpid())

View Code