30 lines
697 B
Python
30 lines
697 B
Python
# process4.py to use shared memory using the server process
|
|
|
|
import multiprocessing
|
|
from multiprocessing import Process
|
|
|
|
def insert_data (dict1, code, subject):
|
|
dict1[code] = subject
|
|
|
|
def output(dict1):
|
|
print("Dictionary data: ", dict1)
|
|
|
|
with multiprocessing.Manager() as mgr:
|
|
# create a dictionary in the server process
|
|
mydict = mgr.dict({100: "Maths", 200: "Science"})
|
|
|
|
p1 = Process(target=insert_data, args=(mydict, 300, "English"))
|
|
p2 = Process(target=insert_data, args=(mydict, 400, "French"))
|
|
p3 = Process(target=output, args=(mydict,))
|
|
|
|
p1.start()
|
|
p2.start()
|
|
|
|
p1.join()
|
|
p2.join()
|
|
|
|
p3.start()
|
|
p3.join()
|
|
|
|
print("Exiting the main process")
|