algorithm_system_server/MyThreadFunc.py

54 lines
1.6 KiB
Python

import inspect
import ctypes
import threading
class MyThreadFunc(object):
'''
手动终止线程的方法
'''
def __init__(self, func, argsTup):
self.myThread = threading.Thread(target=func, args=argsTup)
self.daemon = True
def start(self):
print('线程启动')
self.result = self.myThread.start()
def join(self):
self.myThread.join()
def get_result(self):
try:
return self.result
except Exception as e:
return None
def state(self):
status = self.myThread.is_alive()
print('线程状态: {0}'.format(status))
return status
def stop(self):
print('线程终止')
# self.myThread.join()
try:
for i in range(5):
self._async_raise(self.myThread.ident, SystemExit)
# time.sleep(1)
except Exception as e:
print(e)
def _async_raise(self, 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")