Hi!
> This patch will lock the VT that is active just after splash is
> initialized and release it just before the splash system is stopped.
>
> I haven't tested it extensively with bootsplash.org, but it seems to
> work with that (in vmware) too.
>
> Comments?
>
> @@ -1027,6 +1030,75 @@
> }
> #endif
>
> +
> +static void release_vt(int signo)
> +{
> + printf("Ignoring request to release VT\n");
> + ioctl(vfd, VT_RELDISP, 0);
> +}
> +
Is printf safe to call from signal handler?
> +static int lock_vt()
(void).
> + error = ioctl(fd, VT_GETSTATE, &vtstat);
> + close(fd);
> +
> + if ( error < 0 )
(error < 0), (no spaces) please.
> + /* Setting vt mode to VT_PROCESS means this process
> + * will handle vt switching requests.
> + * We installed handlers for release and acquire requests.
> + */
Is it possible to just ignore those signals? Kernel will be unable to
switch, anyway, no?
> + printf("Locked against VT switching\n");
This should be gone in final version.
Otherwise looks okay to me...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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