#-*- encoding: gb2312 -*-
import string, threading, time
 
def thread_main(a):
  global count, mutex
  # 獲得線程名
  threadname = threading.currentThread().getName()
 
  for x in xrange(0, int(a)):
    # 取得鎖
    mutex.acquire()
    count = count + 1
    # 釋放鎖
    mutex.release()
    print threadname, x, count
    time.sleep(1)
 
def main(num):
  global count, mutex
  threads = []
 
  count = 1
  # 創(chuàng)建一個鎖
  mutex = threading.Lock()
  # 先創(chuàng)建線程對象
  for x in xrange(0, num):
    threads.append(threading.Thread(target=thread_main, args=(10,)))
  # 啟動所有線程
  for t in threads:
    t.start()
  # 主線程中等待所有子線程退出
  for t in threads:
    t.join() 
 
 
if __name__ == '__main__':
  num = 4
  # 創(chuàng)建4個線程
  main(4)

#-*- encoding: gb2312 -*-
import threading
import time
 
class Test(threading.Thread):
  def __init__(self, num):
    threading.Thread.__init__(self)
    self._run_num = num
 
  def run(self):
    global count, mutex
    threadname = threading.currentThread().getName()
 
    for x in xrange(0, int(self._run_num)):
      mutex.acquire()
      count = count + 1
      mutex.release()
      print threadname, x, count
      time.sleep(1)
 
if __name__ == '__main__':
  global count, mutex
  threads = []
  num = 4
  count = 1
  # 創(chuàng)建鎖
  mutex = threading.Lock()
  # 創(chuàng)建線程對象
  for x in xrange(0, num):
    threads.append(Test(10))
  # 啟動線程
  for t in threads:
    t.start()
  # 等待子線程結(jié)束
  for t in threads:
    t.join()