python多线程学习
#!/usr/bin/env python#coding:utf-8
import threading
import time
mylock = threading.RLock()
num = 0
class myThread(threading.Thread):
def __init__(self,name):
threading.Thread.__init__(self)
self.t_name = name
def run(self):
global num
while True:
mylock.acquire()#得到锁
print 'Thread(%s) locked, Number: %d'%(self.t_name, num)
if num >=5:
mylock.release()
print 'Thread %s release! num =%d'%(self.t_name,num)
break
num+=1
print 'Thread %s released! num = %d'%(self.t_name,num)
mylock.release()
def test():
t1 = myThread('A')
t2 = myThread('B')
t1.start()
t2.start()
if __name__== '__main__':
test()
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