threadlock.py

#!python2
#coding=utf-8

import threading
import time

class myThread (threading.Thread):
 def __init__(self, threadID, name, counter):
 threading.Thread.__init__(self)
 self.threadID = threadID
 self.name = name
 self.counter = counter
 def run(self):
 print "Starting " + self.name
 # 获得锁，成功获得锁定后返回True
 # 可选的timeout参数不填时将一直阻塞直到获得锁定
 # 否则超时后将返回False
 threadLock.acquire()
 print_time(self.name, self.counter, 3)
 # 释放锁
 threadLock.release()

def print_time(threadName, delay, counter):
 while counter:
 time.sleep(delay)
 print "%s: %s" % (threadName, time.ctime(time.time()))
 counter -= 1

threadLock = threading.Lock()
threads = []

# 创建新线程
thread1 = myThread(1, "Thread-1", 1)
thread2 = myThread(2, "Thread-2", 2)

# 开启新线程
thread1.start()
thread2.start()

# 添加线程到线程列表
threads.append(thread1)
threads.append(thread2)

# 等待所有线程完成
for t in threads:
 t.join()
print "Exiting Main Thread"