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-rw-r--r--src/logind-seat.c4
-rw-r--r--src/logind-seat.h1
-rw-r--r--src/logind.c99
-rw-r--r--src/logind.h15
4 files changed, 92 insertions, 27 deletions
diff --git a/src/logind-seat.c b/src/logind-seat.c
index bc695fea83..ed67bc9eea 100644
--- a/src/logind-seat.c
+++ b/src/logind-seat.c
@@ -186,13 +186,15 @@ static int vt_allocate(int vtnr) {
return r;
}
-static int seat_preallocate_vts(Seat *s) {
+int seat_preallocate_vts(Seat *s) {
int r = 0;
unsigned i;
assert(s);
assert(s->manager);
+ log_debug("Preallocating VTs...");
+
if (s->manager->n_autovts <= 0)
return 0;
diff --git a/src/logind-seat.h b/src/logind-seat.h
index 275939e176..6d9c36db34 100644
--- a/src/logind-seat.h
+++ b/src/logind-seat.h
@@ -57,6 +57,7 @@ int seat_apply_acls(Seat *s, Session *old_active);
int seat_set_active(Seat *s, Session *session);
int seat_active_vt_changed(Seat *s, int vtnr);
int seat_read_active_vt(Seat *s);
+int seat_preallocate_vts(Seat *s);
int seat_attach_session(Seat *s, Session *session);
diff --git a/src/logind.c b/src/logind.c
index bb64ab2859..8fa7661290 100644
--- a/src/logind.c
+++ b/src/logind.c
@@ -42,7 +42,8 @@ Manager *manager_new(void) {
m->console_active_fd = -1;
m->bus_fd = -1;
- m->udev_fd = -1;
+ m->udev_seat_fd = -1;
+ m->udev_vcsa_fd = -1;
m->epoll_fd = -1;
m->n_autovts = 6;
@@ -102,8 +103,11 @@ void manager_free(Manager *m) {
if (m->console_active_fd >= 0)
close_nointr_nofail(m->console_active_fd);
- if (m->udev_monitor)
- udev_monitor_unref(m->udev_monitor);
+ if (m->udev_seat_monitor)
+ udev_monitor_unref(m->udev_seat_monitor);
+
+ if (m->udev_vcsa_monitor)
+ udev_monitor_unref(m->udev_vcsa_monitor);
if (m->udev)
udev_unref(m->udev);
@@ -247,7 +251,7 @@ int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user) {
return manager_add_user(m, uid, p->pw_gid, p->pw_name, _user);
}
-int manager_process_device(Manager *m, struct udev_device *d) {
+int manager_process_seat_device(Manager *m, struct udev_device *d) {
Device *device;
int r;
@@ -339,7 +343,7 @@ int manager_enumerate_devices(Manager *m) {
goto finish;
}
- k = manager_process_device(m, d);
+ k = manager_process_seat_device(m, d);
udev_device_unref(d);
if (k < 0)
@@ -621,17 +625,42 @@ int manager_enumerate_sessions(Manager *m) {
return r;
}
-int manager_dispatch_udev(Manager *m) {
+int manager_dispatch_seat_udev(Manager *m) {
struct udev_device *d;
int r;
assert(m);
- d = udev_monitor_receive_device(m->udev_monitor);
+ d = udev_monitor_receive_device(m->udev_seat_monitor);
if (!d)
return -ENOMEM;
- r = manager_process_device(m, d);
+ r = manager_process_seat_device(m, d);
+ udev_device_unref(d);
+
+ return r;
+}
+
+
+int manager_dispatch_vcsa_udev(Manager *m) {
+ struct udev_device *d;
+ int r = 0;
+ const char *name;
+
+ assert(m);
+
+ d = udev_monitor_receive_device(m->udev_vcsa_monitor);
+ if (!d)
+ return -ENOMEM;
+
+ name = udev_device_get_sysname(d);
+
+ /* Whenever a VCSA device is removed try to reallocate our
+ * VTs, to make sure our auto VTs never go away. */
+
+ if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
+ r = seat_preallocate_vts(m->vtconsole);
+
udev_device_unref(d);
return r;
@@ -680,10 +709,11 @@ int manager_spawn_autovt(Manager *m, int vtnr) {
DBusError error;
assert(m);
+ assert(vtnr >= 1);
dbus_error_init(&error);
- if (vtnr > m->n_autovts)
+ if ((unsigned) vtnr > m->n_autovts)
return 0;
r = vt_is_busy(vtnr);
@@ -881,31 +911,56 @@ static int manager_connect_udev(Manager *m) {
int r;
assert(m);
- assert(!m->udev_monitor);
+ assert(!m->udev_seat_monitor);
+ assert(!m->udev_vcsa_monitor);
- m->udev_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
- if (!m->udev_monitor)
+ m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
+ if (!m->udev_seat_monitor)
return -ENOMEM;
- r = udev_monitor_filter_add_match_tag(m->udev_monitor, "seat");
+ r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "seat");
if (r < 0)
return r;
- r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_monitor, "graphics", NULL);
+ r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_seat_monitor, "graphics", NULL);
if (r < 0)
return r;
- r = udev_monitor_enable_receiving(m->udev_monitor);
+ r = udev_monitor_enable_receiving(m->udev_seat_monitor);
if (r < 0)
return r;
- m->udev_fd = udev_monitor_get_fd(m->udev_monitor);
+ m->udev_seat_fd = udev_monitor_get_fd(m->udev_seat_monitor);
zero(ev);
ev.events = EPOLLIN;
- ev.data.u32 = FD_UDEV;
+ ev.data.u32 = FD_SEAT_UDEV;
- if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_fd, &ev) < 0)
+ if (m->n_autovts <= 0)
+ return 0;
+
+ if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_seat_fd, &ev) < 0)
+ return -errno;
+
+ m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
+ if (!m->udev_vcsa_monitor)
+ return -ENOMEM;
+
+ r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
+ if (r < 0)
+ return r;
+
+ r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
+ if (r < 0)
+ return r;
+
+ m->udev_vcsa_fd = udev_monitor_get_fd(m->udev_vcsa_monitor);
+
+ zero(ev);
+ ev.events = EPOLLIN;
+ ev.data.u32 = FD_VCSA_UDEV;
+
+ if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->udev_vcsa_fd, &ev) < 0)
return -errno;
return 0;
@@ -1067,8 +1122,12 @@ int manager_run(Manager *m) {
switch (event.data.u32) {
- case FD_UDEV:
- manager_dispatch_udev(m);
+ case FD_SEAT_UDEV:
+ manager_dispatch_seat_udev(m);
+ break;
+
+ case FD_VCSA_UDEV:
+ manager_dispatch_vcsa_udev(m);
break;
case FD_CONSOLE:
diff --git a/src/logind.h b/src/logind.h
index 18dbe11a9f..8c9bbf1080 100644
--- a/src/logind.h
+++ b/src/logind.h
@@ -34,7 +34,6 @@
/* TODO:
*
- * recreate VTs when disallocated
* spawn user systemd
* direct client API
* add configuration file
@@ -65,9 +64,11 @@ struct Manager {
LIST_HEAD(User, user_gc_queue);
struct udev *udev;
- struct udev_monitor *udev_monitor;
+ struct udev_monitor *udev_seat_monitor, *udev_vcsa_monitor;
+
+ int udev_seat_fd;
+ int udev_vcsa_fd;
- int udev_fd;
int console_active_fd;
int bus_fd;
int epoll_fd;
@@ -90,7 +91,8 @@ struct Manager {
};
enum {
- FD_UDEV,
+ FD_SEAT_UDEV,
+ FD_VCSA_UDEV,
FD_CONSOLE,
FD_BUS,
FD_PIPE_BASE
@@ -106,8 +108,9 @@ int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **
int manager_add_user_by_name(Manager *m, const char *name, User **_user);
int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
-int manager_process_device(Manager *m, struct udev_device *d);
-int manager_dispatch_udev(Manager *m);
+int manager_process_seat_device(Manager *m, struct udev_device *d);
+int manager_dispatch_seat_udev(Manager *m);
+int manager_dispatch_vcsa_udev(Manager *m);
int manager_dispatch_console(Manager *m);
int manager_enumerate_devices(Manager *m);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-10-13 02:26:39 +0000