write.py

from multiprocessing import shared_memory
import time

a = shared_memory.ShareableList(['no'], name='123') # 創(chuàng)建共享內(nèi)存，并且寫值
count = 0

while True:
time.sleep(0.1)
count += 1
print(count)
if a[0] == 'yes':
break
if count >= 100:
break

a.shm.close()
a.shm.unlink()

update.py

from multiprocessing import shared_memory

a = shared_memory.ShareableList(name='123') # 更新共享內(nèi)存
a[0] = 'yes'

參考：https://docs.python.org/3/library/multiprocessing.shared_memory.html