temp_code/python/test/test_process.py

# coding:utf-8

# import os

# print('Process (%s) start...' % os.getpid())

# pid = os.fork()

# if pid == 0:
#     print('I am child process (%s) and my parent is %s.' % (os.getpid(), os.getppid()))
# else:
#     print('I (%s) just created a child process (%s).' % (os.getpid(), pid))


from multiprocessing import Process
import time
import os


def run_proc(name):
    print('Run child process %s (%s)...' % (name, os.getpid()))
    time.sleep(99)


if __name__ == '__main__':
    print('Parent process %s.' % os.getpid())

    p = Process(target=run_proc, args=('test',))

    print('Child process will start.')

    p.start()

    p.join()

print('Child process end.')