Process.join()

from multiprocessing import Process

def f(name):
    print('hello', name)

if __name__ == '__main__':
    p = Process(target=f, args=('bob',))
    p.start()
    p.join()

Process.join()

import multiprocessing as mp

def foo(q):
    q.put('hello')

if __name__ == '__main__':
    mp.set_start_method('spawn')
    q = mp.Queue()
    p = mp.Process(target=foo, args=(q,))
    p.start()
    print(q.get())
    p.join()

Process.join()

import multiprocessing as mp

def foo(q):
    q.put('hello')

if __name__ == '__main__':
    ctx = mp.get_context('spawn')
    q = ctx.Queue()
    p = ctx.Process(target=foo, args=(q,))
    p.start()
    print(q.get())
    p.join()

Process.join()

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())

def f(name):
    info('function f')
    print('hello', name)

if __name__ == '__main__':
    info('main line')
    p = Process(target=f, args=('bob',))
    p.start()
    p.join()

Similar codes

9 votes354 views1 answer
Delete object from table django
Python
4 votes334 views1 answer
Askopenfilename
Python
0 vote360 views1 answer
Np.ma.filled
Python
5 votes373 views3 answers
Python if not
Python
0 vote291 views1 answer
Create_polygon tkinter
Python
0 vote348 views1 answer
Python form html
Python
0 vote380 views1 answer
How to submit two forms in django
Python Django
1 vote366 views1 answer
How to get the user ip in djagno
Python
1 vote354 views1 answer
Save video cv2
Python
0 vote343 views1 answer
Site:github.com python ssh
Python