#include <errno.h>
#include <unistd.h>
-#include "unit.h"
-#include "scope.h"
#include "log.h"
-#include "dbus-scope.h"
+#include "strv.h"
#include "special.h"
#include "unit-name.h"
+#include "unit.h"
+#include "scope.h"
+#include "dbus-scope.h"
#include "load-dropin.h"
static const UnitActiveState state_translation_table[_SCOPE_STATE_MAX] = {
if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
- if (set_isempty(UNIT(s)->pids) && UNIT(s)->manager->n_reloading <= 0) {
+ if (set_isempty(UNIT(s)->pids) &&
+ !manager_is_reloading_or_reexecuting(UNIT(s)->manager) <= 0 &&
+ !unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE)) {
log_unit_error(UNIT(s), "Scope has no PIDs. Refusing.");
return -EINVAL;
}
assert(s);
assert(u->load_state == UNIT_STUB);
- if (!u->transient && UNIT(s)->manager->n_reloading <= 0)
+ if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager))
return -ENOENT;
u->load_state = UNIT_LOADED;
assert(s);
+ if (unit_has_name(u, SPECIAL_INIT_SCOPE))
+ return -EPERM;
+
if (s->state == SCOPE_FAILED)
return -EPERM;
assert(s->state == SCOPE_DEAD);
- if (!u->transient && UNIT(s)->manager->n_reloading <= 0)
+ if (!u->transient && !manager_is_reloading_or_reexecuting(u->manager))
return -ENOENT;
(void) unit_realize_cgroup(u);
int scope_abandon(Scope *s) {
assert(s);
+ if (unit_has_name(UNIT(s), SPECIAL_INIT_SCOPE))
+ return -EPERM;
+
if (!IN_SET(s->state, SCOPE_RUNNING, SCOPE_ABANDONED))
return -ESTALE;
return scope_state_to_string(SCOPE(u)->state);
}
+static int scope_enumerate(Manager *m) {
+ Unit *u;
+ int r;
+
+ assert(m);
+
+ /* Let's unconditionally add the "init.scope" special unit
+ * that encapsulates PID 1. Note that PID 1 already is in the
+ * cgroup for this, we hence just need to allocate the object
+ * for it and that's it. */
+
+ u = manager_get_unit(m, SPECIAL_INIT_SCOPE);
+ if (!u) {
+ u = unit_new(m, sizeof(Scope));
+ if (!u)
+ return log_oom();
+
+ r = unit_add_name(u, SPECIAL_INIT_SCOPE);
+ if (r < 0) {
+ unit_free(u);
+ return log_error_errno(r, "Failed to add init.scope name");
+ }
+ }
+
+ u->transient = true;
+ u->default_dependencies = false;
+ u->no_gc = true;
+ SCOPE(u)->deserialized_state = SCOPE_RUNNING;
+ SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14;
+
+ /* Prettify things, if we can. */
+ if (!u->description)
+ u->description = strdup("System and Service Manager");
+ if (!u->documentation)
+ (void) strv_extend(&u->documentation, "man:systemd(1)");
+
+ unit_add_to_load_queue(u);
+ unit_add_to_dbus_queue(u);
+
+ return 0;
+}
+
static const char* const scope_state_table[_SCOPE_STATE_MAX] = {
[SCOPE_DEAD] = "dead",
[SCOPE_RUNNING] = "running",
.bus_set_property = bus_scope_set_property,
.bus_commit_properties = bus_scope_commit_properties,
- .can_transient = true
+ .can_transient = true,
+
+ .enumerate = scope_enumerate,
};