"%s\tStopWhenUnneeded: %s\n"
"%s\tRefuseManualStart: %s\n"
"%s\tRefuseManualStop: %s\n"
- "%s\tDefaultDependencies: %s\n"
- "%s\tIgnoreDependencyFailure: %s\n",
+ "%s\tDefaultDependencies: %s\n",
prefix, yes_no(u->meta.stop_when_unneeded),
prefix, yes_no(u->meta.refuse_manual_start),
prefix, yes_no(u->meta.refuse_manual_stop),
- prefix, yes_no(u->meta.default_dependencies),
- prefix, yes_no(u->meta.ignore_dependency_failure));
+ prefix, yes_no(u->meta.default_dependencies));
LIST_FOREACH(by_unit, b, u->meta.cgroup_bondings)
fprintf(f, "%s\tControlGroup: %s:%s\n",
*/
int unit_start(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (UNIT_IS_ACTIVE_OR_RELOADING(state))
return -EALREADY;
- /* If it is stopped, but we cannot start it, then fail */
- if (!UNIT_VTABLE(u)->start)
- return -EBADR;
-
/* If the conditions failed, don't do anything at all */
if (!condition_test_list(u->meta.conditions)) {
log_debug("Starting of %s requested but condition failed. Ignoring.", u->meta.id);
return -EALREADY;
}
+ /* Forward to the main object, if we aren't it. */
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting start request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_start(following);
+ }
+
+ /* If it is stopped, but we cannot start it, then fail */
+ if (!UNIT_VTABLE(u)->start)
+ return -EBADR;
+
/* We don't suppress calls to ->start() here when we are
* already starting, to allow this request to be used as a
* "hurry up" call, for example when the unit is in some "auto
unit_add_to_dbus_queue(u);
unit_status_printf(u, "Starting %s...\n", unit_description(u));
-
return UNIT_VTABLE(u)->start(u);
}
*/
int unit_stop(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (UNIT_IS_INACTIVE_OR_FAILED(state))
return -EALREADY;
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting stop request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_stop(following);
+ }
+
if (!UNIT_VTABLE(u)->stop)
return -EBADR;
unit_add_to_dbus_queue(u);
unit_status_printf(u, "Stopping %s...\n", unit_description(u));
-
return UNIT_VTABLE(u)->stop(u);
}
*/
int unit_reload(Unit *u) {
UnitActiveState state;
+ Unit *following;
assert(u);
if (state != UNIT_ACTIVE)
return -ENOEXEC;
+ if ((following = unit_following(u))) {
+ log_debug("Redirecting reload request from %s to %s.", u->meta.id, following->meta.id);
+ return unit_reload(following);
+ }
+
unit_add_to_dbus_queue(u);
return UNIT_VTABLE(u)->reload(u);
}
case JOB_VERIFY_ACTIVE:
case JOB_START:
+ case JOB_STOP:
return true;
- case JOB_STOP:
case JOB_RESTART:
case JOB_TRY_RESTART:
return unit_can_start(u);
if (u == other)
return 0;
- if (UNIT_VTABLE(u)->no_requires &&
- (d == UNIT_REQUIRES ||
- d == UNIT_REQUIRES_OVERRIDABLE ||
- d == UNIT_REQUISITE ||
- d == UNIT_REQUISITE_OVERRIDABLE ||
- d == UNIT_BIND_TO)) {
- return -EINVAL;
- }
-
if ((r = set_ensure_allocated(&u->meta.dependencies[d], trivial_hash_func, trivial_compare_func)) < 0)
return r;
}
int unit_add_cgroup(Unit *u, CGroupBonding *b) {
- CGroupBonding *l;
int r;
assert(u);
/* Ensure this hasn't been added yet */
assert(!b->unit);
- l = hashmap_get(u->meta.manager->cgroup_bondings, b->path);
- LIST_PREPEND(CGroupBonding, by_path, l, b);
+ if (streq(b->controller, SYSTEMD_CGROUP_CONTROLLER)) {
+ CGroupBonding *l;
- if ((r = hashmap_replace(u->meta.manager->cgroup_bondings, b->path, l)) < 0) {
- LIST_REMOVE(CGroupBonding, by_path, l, b);
- return r;
+ l = hashmap_get(u->meta.manager->cgroup_bondings, b->path);
+ LIST_PREPEND(CGroupBonding, by_path, l, b);
+
+ if ((r = hashmap_replace(u->meta.manager->cgroup_bondings, b->path, l)) < 0) {
+ LIST_REMOVE(CGroupBonding, by_path, l, b);
+ return r;
+ }
}
LIST_PREPEND(CGroupBonding, by_unit, u->meta.cgroup_bondings, b);
b->controller = controller;
b->path = path;
- b->only_us = false;
- b->clean_up = false;
+ b->ours = false;
if ((r = unit_add_cgroup(u, b)) < 0)
goto fail;
return r;
}
-int unit_add_default_cgroup(Unit *u) {
- CGroupBonding *b;
+static int unit_add_one_default_cgroup(Unit *u, const char *controller) {
+ CGroupBonding *b = NULL;
int r = -ENOMEM;
assert(u);
- /* Adds in the default cgroup data, if it wasn't specified yet */
+ if (!controller)
+ controller = SYSTEMD_CGROUP_CONTROLLER;
- if (unit_get_default_cgroup(u))
+ if (cgroup_bonding_find_list(u->meta.cgroup_bondings, controller))
return 0;
if (!(b = new0(CGroupBonding, 1)))
return -ENOMEM;
+ if (!(b->controller = strdup(controller)))
+ goto fail;
+
if (!(b->path = default_cgroup_path(u)))
goto fail;
- b->clean_up = true;
- b->only_us = true;
+ b->ours = true;
+ b->essential = streq(controller, SYSTEMD_CGROUP_CONTROLLER);
if ((r = unit_add_cgroup(u, b)) < 0)
goto fail;
return r;
}
+int unit_add_default_cgroups(Unit *u) {
+ char **c;
+ int r;
+ assert(u);
+
+ /* Adds in the default cgroups, if they weren't specified
+ * otherwise. */
+
+ if ((r = unit_add_one_default_cgroup(u, NULL)) < 0)
+ return r;
+
+ STRV_FOREACH(c, u->meta.manager->default_controllers)
+ if ((r = unit_add_one_default_cgroup(u, *c)) < 0)
+ return r;
+
+ return 0;
+}
+
CGroupBonding* unit_get_default_cgroup(Unit *u) {
assert(u);
return UNIT_VTABLE(u)->kill(u, w, m, signo, error);
}
+
+int unit_following_set(Unit *u, Set **s) {
+ assert(u);
+ assert(s);
+
+ if (UNIT_VTABLE(u)->following_set)
+ return UNIT_VTABLE(u)->following_set(u, s);
+
+ *s = NULL;
+ return 0;
+}
+
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",