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Activate last active VT after compositor exit

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The VT the compositor was started from was not activated after exiting
the compositor, which resulted in arriving on a blank VT. This commit
fixes that by introducing a new field in direct_session struct that
stores the last active VT so that it can be activated in
direct_session_destroy.
This commit is contained in:
sghctoma 2018-09-02 20:01:13 +02:00
parent 3b2b8c1844
commit d948bffd3e
1 changed files with 12 additions and 4 deletions
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16
backend/session/direct-freebsd.c
View file

@ -23,6 +23,7 @@ const struct session_impl session_direct;
struct direct_session {
struct wlr_session base;
int tty_fd;
int old_tty;
int old_kbmode;
int sock;
pid_t child;
@ -87,7 +88,7 @@ static void direct_session_destroy(struct wlr_session *base) {
ioctl(session->tty_fd, KDSETMODE, KD_TEXT);
ioctl(session->tty_fd, VT_SETMODE, &mode);
ioctl(session->tty_fd, VT_ACTIVATE, 1);
ioctl(session->tty_fd, VT_ACTIVATE, session->old_tty);
if (errno) {
wlr_log(WLR_ERROR, "Failed to restore tty");
@ -138,11 +139,15 @@ static int vt_handler(int signo, void *data) {
}
static bool setup_tty(struct direct_session *session, struct wl_display *display) {
int fd = -1, tty = -1, tty0_fd = -1;
int fd = -1, tty = -1, tty0_fd = -1, old_tty = 1;
if ((tty0_fd = open("/dev/ttyv0", O_RDWR | O_CLOEXEC)) < 0) {
wlr_log_errno(WLR_ERROR, "Could not open /dev/ttyv0 to find a free vt");
goto error;
}
if (ioctl(tty0_fd, VT_GETACTIVE, &old_tty) != 0) {
wlr_log_errno(WLR_ERROR, "Could not get active vt");
goto error;
}
if (ioctl(tty0_fd, VT_OPENQRY, &tty) != 0) {
wlr_log_errno(WLR_ERROR, "Could not find a free vt");
goto error;
@ -198,13 +203,16 @@ static bool setup_tty(struct direct_session *session, struct wl_display *display
session->base.vtnr = tty;
session->tty_fd = fd;
session->old_tty = old_tty;
session->old_kbmode = old_kbmode;
return true;
error:
// Drop back to tty 1, better than hanging in a useless blank console
ioctl(fd, VT_ACTIVATE, 1);
// In case we could not get the last active one, drop back to tty 1,
// better than hanging in a useless blank console. Otherwise activate the
// last active.
ioctl(fd, VT_ACTIVATE, old_tty);
close(fd);
return false;
}