python消息队列服务退出的问题

Question

最近用python处理一个消息队列的问题　所有功能都完善了　到现在还有一个没有解决的问题就是　当服务打开后　无法使用ctrl+c 或者发送结束的single结束　每次都要kill进程号才可以　不知道有没有更好的办法

消息队列结构代码如下：对线程其实还是有点迷糊的　指导下　谢谢。

#encoding=utf-8
import threading
import random
import time
from Queue import Queue

class Producer(threading.Thread):

    def __init__(self, threadname, queue):
        threading.Thread.__init__(self, name = threadname)
        self.sharedata = queue

    def run(self):
        while True:
            for i in range(20):
                print self.getName(),'adding',i,'to queue'
                self.sharedata.put(i)
                time.sleep(random.randrange(10)/10.0)
            time.sleep(8)
            print '======== NEW ==========='
        print self.getName(),'Finished'


# Consumer thread

class Consumer(threading.Thread):


    def __init__(self, threadname, queue):
        threading.Thread.__init__(self, name = threadname)
        self.sharedata = queue


    def run(self):
        while True:
            print self.getName(),'got a value:',self.sharedata.get()
            time.sleep(random.randrange(10)/10.0)
        print self.getName(),'Finished'


# Main thread

def main():

    queue = Queue()
    producer = Producer('Producer', queue)
    consumer = Consumer('Consumer', queue)
    print 'Starting threads ...'
    producer.start()
    consumer.start()
    producer.join()
    consumer.join()
    print 'All threads have terminated.'
if __name__ == '__main__':
    main()

Answer 1

http://docs.python.org/library/signal...