python中强制关闭线程方法

发布时间:2019-09-02 07:57:48编辑:auto阅读(1566)

    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') 

关键字