# coding:utf-8
import threading
import timedef test_xc():
f = open("test.txt","a")
f.write("test_dxc"+'\n')
time.sleep(1)
mutex.acquire()#取得锁
f.close()
mutex.release()#释放锁if __name__ == '__main__':
mutex = threading.Lock()#创建锁
for i in xrange(5):
t = threading.Thread(target=test_xc)
t.start()