vterm.py 文件源码

def terminate(self):
        if self.terminated:
            return

        self.terminated = True
        self.remove_watch()
        self.change_focus(False)

        if self.pid > 0:
            self.set_termsize(0, 0)
            for sig in (signal.SIGHUP, signal.SIGCONT, signal.SIGINT,
                        signal.SIGTERM, signal.SIGKILL):
                try:
                    os.kill(self.pid, sig)
                    pid, status = os.waitpid(self.pid, os.WNOHANG)
                except OSError:
                    break

                if pid == 0:
                    break
                time.sleep(0.1)
            try:
                os.waitpid(self.pid, 0)
            except OSError:
                pass

            os.close(self.master)