#-*- 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()
    # 等待子線程結束
    for t in threads:
        t.join()