多线程与多进程pid的比较
2021-03-08 20:29
标签：mac print 多进程 col art python3 controls ssi display 多线程与多进程pid的比较 标签：mac print 多进程 col art python3 controls ssi display 原文地址：https://www.cnblogs.com/sea-stream/p/14193444.htmlfrom threading import Thread
from multiprocessing import Process
import os
def work(name):
print(‘{}的pid是‘.format(name), os.getpid())
if __name__ == ‘__main__‘:
# part1:在主进程下开启多个线程,每个线程都跟主进程的pid一样
t1 = Thread(target=work,args=("thread1",))
t2 = Thread(target=work,args=("thread2",))
t1.start()
t2.start()
print(‘主线程/主进程pid‘, os.getpid())
# part2:开多个进程,每个进程都有不同的pid
p1 = Process(target=work,args=("progress1",))
p2 = Process(target=work,args=("progress2",))
p1.start()
p2.start()
print(‘主线程/主进程pid‘, os.getpid())
macname@MacdeMacBook-Pro py % python3 cccccc.py
thread1的pid是 78870
thread2的pid是 78870
主线程/主进程pid 78870
主线程/主进程pid 78870
progress1的pid是 78871
progress2的pid是 78872
macname@MacdeMacBook-Pro py %