进程

from multiprocessing import Process
import time
import os

# def fun2():
#     print('打印拂霓裳')
# def func(a):
#     print(a)
#     print('我是儿子进程，我的pid号%s,父亲的pid号%s'%(os.getpid(),os.getpid()))
#     fun2()
#
#
#
# if __name__=='__main__':
#     p=Process(target=func,args=(1,))
#
#     # p.start()
#     # print('这里是父亲进程，我的进程号%s'%os.getpid())
#     for i in range(2):
#         p=Process(target=func,args=(1,))
#         p.start()





# class Myprocess(Process):
#     def __init__(self):
#         super().__init__()
#
#
#     def run(self):
#         print('子进程,子进程的pid%s，父进程的pid%s'%(os.getpid(),os.getpid()))
#
#     def haha(self):
#         print('haha,子进程的pid%s，父进程的pid%s'%(os.getpid(),os.getpid()))
#
# if __name__=='__main__':
#     p1 = Myprocess()
#     p1.start()
#     p1.haha()
#     print('父亲进程的pid%s'%os.getpid())

def func():
    time.sleep(100)
    print('这里是儿子')


if __name__ == '__main__':
    p = Process(target=func)
    p.daemon = True
    p.start()
    time.sleep(1)
    print('这是爸爸')


def fun1():
    print('这是孙子')

def func():
    p= Process(target=fun1)
    p.start()
    time.sleep(5)
    print('这里是儿子')

if __name__ == '__main__':
    p1 = Process(target=func)
    p1.daemon  = True
    p1.start()
    print('这是爸爸')