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

0 vote125 views1 answer
How to remove no data times plotly
Python
0 vote124 views1 answer
Python print class variables
Python
30 votes267 views3 answers
Django createsuperuser
Python Django
0 vote125 views1 answer
TypeError: the 'int' object is not callable error Solution
Python
0 vote120 views1 answer
Python error catching of modules
Python
1 vote137 views2 answers
Reverse a list in python using recursion
Python
16 votes138 views3 answers
List mean python
Python
39 votes139 views4 answers
Typing racer
Python
1 vote142 views2 answers
Permutation of a string in python
Python
0 vote128 views1 answer
Extract only year from date python
Python