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 vote274 views1 answer
Time a line of code python
Python
1 vote263 views1 answer
Django ckeditor not working
Python Django
1 vote265 views1 answer
Delete last message discord.py
Python
11 votes264 views6 answers
Pandas distinct
Python
0 vote277 views1 answer
Django retrieveupdatedestroyapiview
Python Django
0 vote267 views1 answer
No package python37 available.
Python
0 vote255 views2 answers
Remove vowels in a string python
Python
0 vote263 views1 answer
Tiff to jpg in python
Python
0 vote256 views3 answers
Count items in list python by loop
Python
23 votes288 views5 answers
Pandas select rows by multiple conditions
Python