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authorKay Sievers <kay@vrfy.org>2013-01-15 02:25:56 +0100
committerKay Sievers <kay@vrfy.org>2013-01-15 02:25:56 +0100
commitdd04aac97f9e4739152e77d9f52bb0d0da1375d6 (patch)
treebe9a39a73590fd9c1da201624a359010d43d0a65 /src/vconsole/vconsole-setup.c
parent554d1298b81655a2610101a03172350ea2a48a77 (diff)
vconsole: upload font to /dev/tty1 and copy it to all allocated VTs
Diffstat (limited to 'src/vconsole/vconsole-setup.c')
-rw-r--r--src/vconsole/vconsole-setup.c74
1 files changed, 60 insertions, 14 deletions
diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
index b9d8681a85..d8cdb7c609 100644
--- a/src/vconsole/vconsole-setup.c
+++ b/src/vconsole/vconsole-setup.c
@@ -33,6 +33,7 @@
#include <sys/wait.h>
#include <linux/tiocl.h>
#include <linux/kd.h>
+#include <linux/vt.h>
#include "util.h"
#include "log.h"
@@ -84,7 +85,7 @@ static int enable_utf8(int fd) {
return r;
}
-static int load_keymap(const char *vc, const char *map, const char *map_toggle, bool utf8, pid_t *_pid) {
+static int keymap_load(const char *vc, const char *map, const char *map_toggle, bool utf8, pid_t *_pid) {
const char *args[8];
int i = 0;
pid_t pid;
@@ -119,7 +120,7 @@ static int load_keymap(const char *vc, const char *map, const char *map_toggle,
return 0;
}
-static int load_font(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
+static int font_load(const char *vc, const char *font, const char *map, const char *unimap, pid_t *_pid) {
const char *args[9];
int i = 0;
pid_t pid;
@@ -157,6 +158,50 @@ static int load_font(const char *vc, const char *font, const char *map, const ch
return 0;
}
+static void font_copy_to_all_vts(int fd, int from_vt) {
+ struct vt_stat vts;
+ unsigned short bits;
+ int i;
+ int r;
+
+ /* get 16 bit mask of used VT numbers */
+ zero(vts);
+ r = ioctl(fd, VT_GETSTATE, &vts);
+ if (r < 0)
+ return;
+
+ bits = vts.v_state;
+ for (i = 1; i <= 16; i++) {
+ char vtname[16];
+ int vtfd;
+ struct console_font_op cfo;
+ bool used;
+
+ /* skip unused VTs */
+ used = bits & 1;
+ bits >>= 1;
+ if (!used)
+ continue;
+
+ if (i == from_vt)
+ continue;
+
+ snprintf(vtname , sizeof(vtname), "/dev/tty%i", i);
+ vtfd = open_terminal(vtname, O_RDWR|O_CLOEXEC);
+ if (vtfd < 0)
+ continue;
+
+ /* copy font from from_vt to this VT */
+ zero(cfo);
+ cfo.op = KD_FONT_OP_COPY;
+ /* the index numbers seem to start at 0 for tty1 */
+ cfo.height = from_vt - 1;
+ ioctl(vtfd, KDFONTOP, &cfo);
+
+ close_nointr_nofail(vtfd);
+ }
+}
+
int main(int argc, char **argv) {
const char *vc;
char *vc_keymap = NULL;
@@ -166,8 +211,9 @@ int main(int argc, char **argv) {
char *vc_font_unimap = NULL;
int fd = -1;
bool utf8;
- int r = EXIT_FAILURE;
pid_t font_pid = 0, keymap_pid = 0;
+ int font_copy_from_vt = 0;
+ int r = EXIT_FAILURE;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
@@ -177,8 +223,10 @@ int main(int argc, char **argv) {
if (argv[1])
vc = argv[1];
- else
- vc = "/dev/tty0";
+ else {
+ vc = "/dev/tty1";
+ font_copy_from_vt = 1;
+ }
fd = open_terminal(vc, O_RDWR|O_CLOEXEC);
if (fd < 0) {
@@ -223,27 +271,25 @@ int main(int argc, char **argv) {
log_warning("Failed to read /etc/vconsole.conf: %s", strerror(-r));
}
- if (r <= 0) {
- }
-
- r = EXIT_FAILURE;
-
if (utf8)
enable_utf8(fd);
else
disable_utf8(fd);
-
- if (load_keymap(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
- load_font(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
+ r = EXIT_FAILURE;
+ if (keymap_load(vc, vc_keymap, vc_keymap_toggle, utf8, &keymap_pid) >= 0 &&
+ font_load(vc, vc_font, vc_font_map, vc_font_unimap, &font_pid) >= 0)
r = EXIT_SUCCESS;
finish:
if (keymap_pid > 0)
wait_for_terminate_and_warn(KBD_LOADKEYS, keymap_pid);
- if (font_pid > 0)
+ if (font_pid > 0) {
wait_for_terminate_and_warn(KBD_SETFONT, font_pid);
+ if (font_copy_from_vt > 0)
+ font_copy_to_all_vts(fd, font_copy_from_vt);
+ }
free(vc_keymap);
free(vc_font);