《操作系统》的实验代码。
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22 行
552 B

import threading
import time
counter = 0
mutex = threading.Lock()
class MyThread(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
def run(self):
global counter, mutex
time.sleep(1);
if mutex.acquire():
counter += 1
print "I am %s, set counter:%s" % (self.name, counter)
mutex.release()
if __name__ == "__main__":
for i in range(0, 100):
my_thread = MyThread()
my_thread.start()