python 強制停止執行緒

2020-12-13更新:

ctypes終止執行緒:

# coding=utf-8

import threading
import time
import ctypes
import inspect
import asyncio
def _async_raise(tid, exctype):
"""raises the exception, performs cleanup if needed"""
try:
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:
# pass
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")
except exception as err:
print(err)
def stop_thread(thread):
"""終止執行緒"""
_async_raise(thread.ident, systemexit)
class countdowntask:
def run(self, n):
while true:
# 將要執行的任務放在此處
# 示例
print("t-minus  {}\n".format(n))
n -= 1
asyncio.sleep(100)
# time.sleep(100)
# end
# 示例
# stop threading
countdowntask = countdowntask()
th = threading.thread(target=countdowntask.run, args=(10,))  # args可以給run傳參
th.start()
time.sleep(2)
stop_thread(th)  # signal termination
# end

原文：

# coding=utf-8

import threading
import time
class countdowntask:
def __init__(self):
self._running = true
def terminate(self):
self._running = false
def run(self, n):
while self._running:
# 將要執行的任務放在此處
# 示例
print("t-minus  {}\n".format(n))
n -= 1
time.sleep(100)
# end
# 示例
# stop threading
countdowntask = countdowntask()
th = threading.thread(target=countdowntask.run, args=(10,))  # args可以給run傳參
th.start()
countdowntask.terminate()  # signal termination
# end

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