python中强制关闭线程方法

import threading
import time
import inspect
import ctypes


def _async_raise(tid, exctype):
   """raises the exception, performs cleanup if needed"""
   tid = ctypes.c_long(tid)
   if not inspect.isclass(exctype):
      exctype = type(exctype)
   res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(exctype))
   if res == 0:
      raise ValueError("invalid thread id")
   elif res != 1:
      # """if it returns a number greater than one, you're in trouble,  
      # and you should call it again with exc=NULL to revert the effect"""  
      ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, None)
      raise SystemError("PyThreadState_SetAsyncExc failed")


def stop_thread(thread):
   _async_raise(thread.ident, SystemExit)


class TestThread(threading.Thread):
   def run(self):
      print
      "begin"
      while True:
         time.sleep(0.1)
      print('end')


if __name__ == "__main__":
   t = TestThread()
   t.start()
   time.sleep(1)
   stop_thread(t)
   print('stoped')