进程

进程与进程之间不共享全局变量

 

from multiprocessing import Process, Queue
import time,os


def func1(q:Queue):
    while not q.empty():
        print('----------func1----------{0}----{1}'.format(q.get(), os.getpid()))
        time.sleep(1)


def func2(q: Queue):
    while not q.empty():
        print('----------func2---------{0}----{1}'.format(q.get(), os.getpid()))
        time.sleep(1)


if __name__ == '__main__':
    q = Queue()
    for i in range(10):
        q.put(i)
    s_time = time.time()
    p1 = Process(target=func1, args=(q,))
    p2 = Process(target=func2, args=(q,))
    p1.start()
    p2.start()
    p1.join()
    p2.join()
    d_time = time.time()
    print(d_time - s_time)