#-*- encoding: gb2312 -*-
import string
import threading
import time
def thread_main(a):
    global count, mutex
    # 獲得執行緒名
    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
    # 建立一個鎖
    mutex = threading.Lock()
    # 先建立執行緒物件
    for x in xrange(0, num):
        threads.append(threading.Thread(target=thread_main, args=(10,)))
    # 啟動所有執行緒
    for t in threads:
        t.start()
    # 主執行緒中等待所有子執行緒退出
    for t in threads:
        t.join()  
 
 
if __name__ == '__main__':
    num = 4
    # 建立4個執行緒
    main(4)