summaryrefslogtreecommitdiff
path: root/src/logind.c
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2011-05-24 04:20:35 +0200
committerLennart Poettering <lennart@poettering.net>2011-06-21 19:29:44 +0200
commit5eda94dda25bccda928c4b33c790dbe748573a22 (patch)
treedd5402db68b03e448873b97c3c2e0cd9582272db /src/logind.c
parent90821c935e5f4258dc21fc515cf721beb0914a85 (diff)
logind: implement ACL management
Diffstat (limited to 'src/logind.c')
-rw-r--r--src/logind.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/src/logind.c b/src/logind.c
index 0c26aaddbf..7e9b706d13 100644
--- a/src/logind.c
+++ b/src/logind.c
@@ -26,6 +26,8 @@
#include <string.h>
#include <unistd.h>
#include <sys/epoll.h>
+#include <sys/ioctl.h>
+#include <linux/vt.h>
#include "logind.h"
#include "dbus-common.h"
@@ -290,7 +292,7 @@ int manager_enumerate_devices(Manager *m) {
e = udev_enumerate_new(m->udev);
if (!e)
- return -ENOMEM;
+ goto finish;
if (udev_enumerate_add_match_subsystem(e, "graphics") < 0)
goto finish;
@@ -627,9 +629,37 @@ int manager_dispatch_console(Manager *m) {
return 0;
}
+static int vt_is_busy(int vtnr) {
+ struct vt_stat vt_stat;
+ int r = 0, fd;
+
+ assert(vtnr >= 1);
+
+ fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC);
+ if (fd < 0)
+ return -errno;
+
+ if (ioctl(fd, VT_GETSTATE, &vt_stat) < 0)
+ r = -errno;
+ else
+ r = !!(vt_stat.v_state & (1 << vtnr));
+
+ close_nointr_nofail(fd);
+
+ return r;
+}
+
int manager_spawn_autovt(Manager *m, int vtnr) {
+ int r;
+
assert(m);
+ r = vt_is_busy(vtnr);
+ if (r != 0)
+ return r;
+
+ /* ... */
+
return 0;
}
@@ -849,7 +879,7 @@ int manager_run(Manager *m) {
int main(int argc, char *argv[]) {
Manager *m = NULL;
- int r = 0;
+ int r;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();