对python多线程中互斥锁Threading.Lock的简单应用详解

#-*- coding: utf-8 -*-
import threading
import time
 
def test_xc():
  f = open("test.txt","a")
  f.write("test_dxc"+'\n')
  time.sleep(1)
  f.close()
 
if __name__ == '__main__':
  for i in xrange(5):
    t = threading.Thread(target=test_xc)
    t.start()

#创建锁
mutex = threading.Lock()
#锁定
mutex.acquire([timeout])#timeout是超时时间
#释放
mutex.release()

<pre name="code" class="python">#-*- coding: utf-8 -*-
import threading
import time
 
def 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()