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 vote185 views1 answer
Python bubble plot
Python
1 vote183 views1 answer
How to count post by category django
Python
0 vote158 views1 answer
Unique id on duplicate ids values pandas
Python
0 vote196 views1 answer
Python save string to text
Python
4 votes178 views3 answers
How to change port in flask app
Python
0 vote193 views1 answer
Python datetime remove timezone
Python
1 vote191 views1 answer
How to provide default value when assign i ngvariables python
Python
1 vote188 views1 answer
Circular array python
Python
1 vote202 views2 answers
List all virtualenv in python
Python
2 votes200 views1 answer
Register modal in django admin
Python Django