# -*- encoding:utf-8 -*-

'''

Created on Sep 18, 2012

@author: root

write by wye in cloudiya

'''

import threading

import time

rlock = threading.RLock()

def func():

#第一次请求锁定

print "%s acquire lock first..." % threading.currentThread().getName()

if rlock.acquire():

print "%s get lock first..." % threading.currentThread().getName()

time.sleep(4)

#第二次请求锁定

print "%s acquire lock second..." % threading.currentThread().getName()

if rlock.acquire():

print "%s get lock second..." % threading.currentThread().getName()

time.sleep(4)

#第一次释放锁

print "%s release lock first..." % threading.currentThread().getName()

rlock.release()

time.sleep(4)

#第二次释放锁

print "%s release lock second..." % threading.currentThread().getName()

rlock.release()

t1 = threading.Thread(target=func)

t2 = threading.Thread(target=func)

t3 = threading.Thread(target=func)

t1.start()

t2.start()

t3.start()