#-*- encoding: gb2312 -*- import string, threading, time def thread_main(a): global count, mutex # 获得线程名 threadname = threading.currentThread().getName() for x in xrange(0, int(a)): # 取得锁 mutex.acquire() count = count + 1 # 释放锁 mutex.release() print threadname, x, count time.sleep(1) def main(num): global count, mutex threads = [] count = 1 # 创建一个锁 mutex = threading.Lock() # 先创建线程对象 for x in xrange(0, num): threads.append(threading.Thread(target=thread_main, args=(10,))) # 启动所有线程 for t in threads: t.start() # 主线程中等待所有子线程退出 for t in threads: t.join() if __name__ == __main__: num = 4 # 创建4个线程 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 # 创建锁 mutex = threading.Lock() # 创建线程对象 for x in xrange(0, num): threads.append(Test(10)) # 启动线程 for t in threads: t.start() # 等待子线程结束 for t in threads: t.join()

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