ptysnoop.py 文件源码

def _open_pty(self):
        """Create a PTY
        """
        # get our terminal params
        self.tcattr = termios.tcgetattr(STDIN)
        winsize = fcntl.ioctl(STDIN, termios.TIOCGWINSZ, '0123')
        # open a pty
        self.master, self.slave = os.openpty()
        # set the slave's terminal params
        termios.tcsetattr(self.slave, termios.TCSANOW, self.tcattr)
        fcntl.ioctl(self.slave, termios.TIOCSWINSZ, winsize)