Python的线程控制类详解编程语言

下面是一个基础的python线程控制类

#!/usr/bin/env python 
""" 
testthread.py 
An example of an idiom for controling threads 
 
Doug Fort 
http://www.dougfort.net 
""" 
 
import threading 
 
class TestThread(threading.Thread): 
    """ 
    A sample thread class 
    """ 
 
    def __init__(self): 
        """ 
        Constructor, setting initial variables 
        """ 
        self._stopevent = threading.Event() 
        self._sleepperiod = 1.0 
 
        threading.Thread.__init__(self, name="TestThread") 
 
    def run(self): 
        """ 
        overload of threading.thread.run() 
        main control loop 
        """ 
        print "%s starts" % (self.getName(),) 
 
        count = 0 
        while not self._stopevent.isSet(): 
            count += 1 
            print "loop %d" % (count,) 
            self._stopevent.wait(self._sleepperiod) 
 
        print "%s ends" % (self.getName(),) 
 
    def join(self,timeout=None): 
        """ 
        Stop the thread 
        """ 
        self._stopevent.set() 
        threading.Thread.join(self, timeout) 
 
if __name__ == "__main__": 
    testthread = TestThread() 
    testthread.start() 
 
    import time 
    time.sleep(10.0) 
 
    testthread.join()