进程属性的利用

#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
进程属性
"""
from multiprocessing import Process
import time
def tm():
    for i in range(3):
        time.sleep(2)
        print(time.ctime())
p = Process(target=tm)
print('Name:',p.name)#进程名称
p.daemon = True #父进程退出子进程也退出
p.start()
print('PID:',p.pid)#对应子进程的pid
print('is alive:',p.is_alive())#是否在生命周期