进程ID

from multiprocessing import Process
import os


def info(title):
    print(title)
    print('module name:', __name__)
    print('parent process:', os.getppid())
    print('process id:', os.getpid())
    print("

")


def f(name):
    info('33[31;1mcalled from child process function f33[0m')
    print('hello', name)

if __name__ == '__main__':
    info('33[32;1mmain process line33[0m')
    p = Process(target=f, args=('bob',))
    p.start()
    # p.join()

main process line
module name: __main__
parent process: 2728
process id: 25524

called from child process function f
module name: __mp_main__
parent process: 25524
process id: 14060

hello bob