In the last episode (Jan 06), Daniel O'Connor said:
>
> On 05-Jan-00 Jim Shankland wrote:
> > (void) tcsetattr(fd, 0, &old_t);
> > if (ioctl(fd, KDSKBMODE, oldmode) < 0) {
> > (void) fprintf(stderr,
> > "Danger, Will Robinson! Can't restore keyboard:
> > %s\n",
>
> You know I *really* wish there was a way to make sure that when your
> app closed the keyboard was unborked again..
Three ideas:
1) #! /bin/sh
./myprogram
kbd_mode -a
or a similar C routine that runs as the parent process, and resets
the keyboard mode when the child exits
2) Is there a termios flag that could be used to indicate "raw keyboard
mode"? That way you can have your shell reset the mode via
tcgetattr/tcsetattr (in zsh "ttyctl -f" does this).
3) Another alternative is to write a "keyboardd" that resets the mode;
your program would (say) flock /dev/console and go into raw mode.
keyboardd would check every 10 seconds or so to see if the keyboard
is in raw mode. If it is, it does a flock on /dev/console (whick
will block until your program exits), and resets the mode back.
--
Dan Nelson
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