python 关闭子线程

发布于: 2022-11-16 更新于: 2022-11-16 收录于: python

本文字数: 112 阅读时间: 1 分钟

关闭子线程

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from threading import Thread
from ctypes import c_long, pythonapi, py_object


class thread(Thread):
    def __init__(self, group=None, target=None, name=None, args=(), kwargs=None, *, daemon=None):
        super().__init__(group, target, name, args, kwargs, daemon=daemon)

    def stop(self):
        tid = c_long(self.ident)
        res = pythonapi.PyThreadState_SetAsyncExc(tid, py_object(SystemExit))
        if res == 0:
            raise ValueError("invalid thread id")
        elif res != 1:
            pythonapi.PyThreadState_SetAsyncExc(tid, None)
            raise SystemError("PyThreadState_SetAsyncExc failed")

        self._started.clear()

    def run(self):
        try:
            if self._target:
                self._target(*self._args, **self._kwargs)
        finally:
            self._started.clear()