***/
#include <sys/types.h>
-#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <pwd.h>
-#include <unistd.h>
#include <linux/vt.h>
-#include "logind.h"
-#include "dbus-common.h"
#include "strv.h"
+#include "cgroup-util.h"
+#include "bus-util.h"
+#include "bus-error.h"
+#include "udev-util.h"
+#include "logind.h"
int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device) {
Device *d;
assert(sysfs);
d = hashmap_get(m->devices, sysfs);
- if (d) {
- if (_device)
- *_device = d;
-
+ if (d)
/* we support adding master-flags, but not removing them */
d->master = d->master || master;
-
- return 0;
+ else {
+ d = device_new(m, sysfs, master);
+ if (!d)
+ return -ENOMEM;
}
- d = device_new(m, sysfs, master);
- if (!d)
- return -ENOMEM;
-
if (_device)
*_device = d;
assert(id);
s = hashmap_get(m->seats, id);
- if (s) {
- if (_seat)
- *_seat = s;
-
- return 0;
+ if (!s) {
+ s = seat_new(m, id);
+ if (!s)
+ return -ENOMEM;
}
- s = seat_new(m, id);
- if (!s)
- return -ENOMEM;
-
if (_seat)
*_seat = s;
assert(id);
s = hashmap_get(m->sessions, id);
- if (s) {
- if (_session)
- *_session = s;
-
- return 0;
+ if (!s) {
+ s = session_new(m, id);
+ if (!s)
+ return -ENOMEM;
}
- s = session_new(m, id);
- if (!s)
- return -ENOMEM;
-
if (_session)
*_session = s;
assert(m);
assert(name);
- u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
- if (u) {
- if (_user)
- *_user = u;
-
- return 0;
+ u = hashmap_get(m->users, UID_TO_PTR(uid));
+ if (!u) {
+ u = user_new(m, uid, gid, name);
+ if (!u)
+ return -ENOMEM;
}
- u = user_new(m, uid, gid, name);
- if (!u)
- return -ENOMEM;
-
if (_user)
*_user = u;
assert(name);
b = hashmap_get(m->buttons, name);
- if (b) {
- if (_button)
- *_button = b;
-
- return 0;
+ if (!b) {
+ b = button_new(m, name);
+ if (!b)
+ return -ENOMEM;
}
- b = button_new(m, name);
- if (!b)
- return -ENOMEM;
-
if (_button)
*_button = b;
assert(m);
assert(name);
- if (hashmap_get(m->busnames, name))
+ if (set_get(m->busnames, (char*) name))
return 0;
n = strdup(name);
if (!n)
return -ENOMEM;
- r = hashmap_put(m->busnames, n, n);
+ r = set_put(m->busnames, n);
if (r < 0) {
free(n);
return r;
void manager_drop_busname(Manager *m, const char *name) {
Session *session;
Iterator i;
- char *key;
assert(m);
assert(name);
- if (!hashmap_get(m->busnames, name))
- return;
-
/* keep it if the name still owns a controller */
HASHMAP_FOREACH(session, m->sessions, i)
if (session_is_controller(session, name))
return;
- key = hashmap_remove(m->busnames, name);
- if (key)
- free(key);
+ free(set_remove(m->busnames, (char*) name));
}
int manager_process_seat_device(Manager *m, struct udev_device *d) {
return 0;
}
- /* ignore non-master devices for unknown seats */
+ seat = hashmap_get(m->seats, sn);
master = udev_device_has_tag(d, "master-of-seat");
- if (!master && !(seat = hashmap_get(m->seats, sn)))
+
+ /* Ignore non-master devices for unknown seats */
+ if (!master && !seat)
return 0;
r = manager_add_device(m, udev_device_get_syspath(d), master, &device);
}
int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) {
- _cleanup_free_ char *unit = NULL;
- Session *s;
- int r;
-
assert(m);
assert(session);
- if (pid < 1)
- return -EINVAL;
-
- r = cg_pid_get_unit(pid, &unit);
- if (r < 0)
- return r;
-
- s = hashmap_get(m->session_units, unit);
- if (!s)
- return 0;
-
- *session = s;
- return 1;
+ /* Without cgroups, we have no way to map from pid to
+ session. */
+ return 0;
}
int manager_get_user_by_pid(Manager *m, pid_t pid, User **user) {
- _cleanup_free_ char *unit = NULL;
- User *u;
- int r;
-
assert(m);
assert(user);
if (pid < 1)
return -EINVAL;
- r = cg_pid_get_slice(pid, &unit);
- if (r < 0)
- return r;
-
- u = hashmap_get(m->user_units, unit);
- if (!u)
- return 0;
-
- *user = u;
- return 1;
+ /* Without cgroups, we have no way to map from pid to
+ user. */
+ return 0;
}
int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
assert(m);
- idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0);
+ idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0, NULL);
HASHMAP_FOREACH(s, m->sessions, i) {
dual_timestamp k;
return strv_contains(m->kill_only_users, user);
}
-static int vt_is_busy(int vtnr) {
+static int vt_is_busy(unsigned int vtnr) {
struct vt_stat vt_stat;
- int r = 0, fd;
+ int r = 0;
+ _cleanup_close_ int fd;
assert(vtnr >= 1);
else
r = !!(vt_stat.v_state & (1 << vtnr));
- close_nointr_nofail(fd);
-
return r;
}
-int manager_spawn_autovt(Manager *m, int vtnr) {
+bool manager_is_docked(Manager *m) {
+ Iterator i;
+ Button *b;
+
+ HASHMAP_FOREACH(b, m->buttons, i)
+ if (b->docked)
+ return true;
+
+ return false;
+}
+
+int manager_count_displays(Manager *m) {
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
+ struct udev_list_entry *item = NULL, *first = NULL;
int r;
- char *name = NULL;
- const char *mode = "fail";
+ int n = 0;
- assert(m);
- assert(vtnr >= 1);
+ e = udev_enumerate_new(m->udev);
+ if (!e)
+ return -ENOMEM;
- if ((unsigned) vtnr > m->n_autovts &&
- (unsigned) vtnr != m->reserve_vt)
- return 0;
+ r = udev_enumerate_add_match_subsystem(e, "drm");
+ if (r < 0)
+ return r;
- if ((unsigned) vtnr != m->reserve_vt) {
- /* If this is the reserved TTY, we'll start the getty
- * on it in any case, but otherwise only if it is not
- * busy. */
+ r = udev_enumerate_scan_devices(e);
+ if (r < 0)
+ return r;
- r = vt_is_busy(vtnr);
- if (r < 0)
- return r;
- else if (r > 0)
- return -EBUSY;
+ first = udev_enumerate_get_list_entry(e);
+ udev_list_entry_foreach(item, first) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
+ struct udev_device *p;
+ const char *status;
+
+ d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
+ if (!d)
+ return -ENOMEM;
+
+ p = udev_device_get_parent(d);
+ if (!p)
+ continue;
+
+ /* If the parent shares the same subsystem as the
+ * device we are looking at then it is a connector,
+ * which is what we are interested in. */
+ if (!streq_ptr(udev_device_get_subsystem(p), "drm"))
+ continue;
+
+ /* We count any connector which is not explicitly
+ * "disconnected" as connected. */
+ status = udev_device_get_sysattr_value(d, "status");
+ if (!streq_ptr(status, "disconnected"))
+ n++;
}
- if (asprintf(&name, "autovt@tty%i.service", vtnr) < 0) {
- log_error("Could not allocate service name.");
- r = -ENOMEM;
- goto finish;
+ return n;
+}
+
+bool manager_is_docked_or_multiple_displays(Manager *m) {
+ int n;
+
+ /* If we are docked don't react to lid closing */
+ if (manager_is_docked(m)) {
+ log_debug("System is docked.");
+ return true;
}
- r = bus_method_call_with_reply (
- m->bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- NULL,
- NULL,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID);
-
-finish:
- free(name);
+ /* If we have more than one display connected,
+ * assume that we are docked. */
+ n = manager_count_displays(m);
+ if (n < 0)
+ log_warning_errno(n, "Display counting failed: %m");
+ else if (n > 1) {
+ log_debug("Multiple (%i) displays connected.", n);
+ return true;
+ }
- return r;
+ return false;
}
~ianmdlvl / elogind.git / blobdiff