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Python3-Threading之终止线程方法

 
#-*-coding:utf-8-*-
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)

def hello():
  while 1:
  print('Hello ituser!')
  time.sleep(1)

if __name__ == "__main__":
  t = threading.Thread(target=hello)
  t.start()
  #终止
  stop_thread(t)
  print("stoped")
  while 1:
    pass

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