54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
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#coding=utf-8
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#!/usr/bin/env python
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import threading
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import time
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condition = threading.Condition()
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products = 0
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class Producer(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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def run(self):
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global condition, products
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while True:
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if condition.acquire():
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if products < 10:
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products += 1;
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print "Producer(%s):deliver one, now products:%s" %(self.name, products)
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condition.notify()
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else:
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print "Producer(%s):already 10, stop deliver, now products:%s" %(self.name, products)
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condition.wait();
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condition.release()
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time.sleep(2)
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class Consumer(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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def run(self):
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global condition, products
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while True:
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if condition.acquire():
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if products > 1:
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products -= 1
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print "Consumer(%s):consume one, now products:%s" %(self.name, products)
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condition.notify()
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else:
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print "Consumer(%s):only 1, stop consume, products:%s" %(self.name, products)
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condition.wait();
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condition.release()
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time.sleep(2)
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if __name__ == "__main__":
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for p in range(0, 2):
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p = Producer()
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p.start()
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for c in range(0, 10):
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c = Consumer()
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c.start()
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