#include "special.h"
#include "cgroup-util.h"
#include "missing.h"
+#include "cgroup-attr.h"
const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = &service_vtable,
[UNIT_PATH] = &path_vtable
};
-Unit *unit_new(Manager *m) {
+Unit *unit_new(Manager *m, size_t size) {
Unit *u;
assert(m);
+ assert(size >= sizeof(Meta));
- if (!(u = new0(Unit, 1)))
+ u = malloc0(size);
+ if (!u)
return NULL;
- if (!(u->meta.names = set_new(string_hash_func, string_compare_func))) {
+ u->meta.names = set_new(string_hash_func, string_compare_func);
+ if (!u->meta.names) {
free(u);
return NULL;
}
u->meta.type = _UNIT_TYPE_INVALID;
u->meta.deserialized_job = _JOB_TYPE_INVALID;
u->meta.default_dependencies = true;
+ u->meta.unit_file_state = _UNIT_FILE_STATE_INVALID;
return u;
}
u->meta.manager->n_in_gc_queue--;
}
- cgroup_bonding_free_list(u->meta.cgroup_bondings, u->meta.manager->n_serializing <= 0);
+ cgroup_bonding_free_list(u->meta.cgroup_bondings, u->meta.manager->n_reloading <= 0);
+ cgroup_attribute_free_list(u->meta.cgroup_attributes);
free(u->meta.description);
free(u->meta.fragment_path);
+ free(u->meta.instance);
set_free_free(u->meta.names);
condition_free_list(u->meta.conditions);
- free(u->meta.instance);
+ while (u->meta.refs)
+ unit_ref_unset(u->meta.refs);
+
free(u);
}
/* Merge names */
merge_names(u, other);
+ /* Redirect all references */
+ while (other->meta.refs)
+ unit_ref_set(other->meta.refs, u);
+
/* Merge dependencies */
for (d = 0; d < _UNIT_DEPENDENCY_MAX; d++)
merge_dependencies(u, other, d);
if (c->std_output != EXEC_OUTPUT_KMSG &&
c->std_output != EXEC_OUTPUT_SYSLOG &&
+ c->std_output != EXEC_OUTPUT_JOURNAL &&
c->std_output != EXEC_OUTPUT_KMSG_AND_CONSOLE &&
c->std_output != EXEC_OUTPUT_SYSLOG_AND_CONSOLE &&
+ c->std_output != EXEC_OUTPUT_JOURNAL_AND_CONSOLE &&
c->std_error != EXEC_OUTPUT_KMSG &&
- c->std_error != EXEC_OUTPUT_SYSLOG_AND_CONSOLE &&
- c->std_error != EXEC_OUTPUT_KMSG &&
+ c->std_error != EXEC_OUTPUT_SYSLOG &&
+ c->std_error != EXEC_OUTPUT_JOURNAL &&
+ c->std_error != EXEC_OUTPUT_KMSG_AND_CONSOLE &&
+ c->std_error != EXEC_OUTPUT_JOURNAL_AND_CONSOLE &&
c->std_error != EXEC_OUTPUT_SYSLOG_AND_CONSOLE)
return 0;
* logging daemon is run first. */
if (u->meta.manager->running_as == MANAGER_SYSTEM)
- if ((r = unit_add_two_dependencies_by_name(u, UNIT_REQUIRES, UNIT_AFTER, SPECIAL_LOGGER_SOCKET, NULL, true)) < 0)
+ if ((r = unit_add_two_dependencies_by_name(u, UNIT_REQUIRES, UNIT_AFTER, SPECIAL_JOURNALD_SOCKET, NULL, true)) < 0)
return r;
return 0;
Iterator i;
char *p2;
const char *prefix2;
- CGroupBonding *b;
char
timestamp1[FORMAT_TIMESTAMP_MAX],
timestamp2[FORMAT_TIMESTAMP_MAX],
}
if (u->meta.load_state == UNIT_LOADED) {
+ CGroupBonding *b;
+ CGroupAttribute *a;
+
fprintf(f,
"%s\tStopWhenUnneeded: %s\n"
"%s\tRefuseManualStart: %s\n"
fprintf(f, "%s\tControlGroup: %s:%s\n",
prefix, b->controller, b->path);
+ LIST_FOREACH(by_unit, a, u->meta.cgroup_attributes) {
+ char *v = NULL;
+
+ if (a->map_callback)
+ a->map_callback(a->controller, a->name, a->value, &v);
+
+ fprintf(f, "%s\tControlGroupAttribute: %s %s \"%s\"\n",
+ prefix, a->controller, a->name, v ? v : a->value);
+
+ free(v);
+ }
+
if (UNIT_VTABLE(u)->dump)
UNIT_VTABLE(u)->dump(u, f, prefix2);
/* If either side wants no automatic dependencies, then let's
* skip this */
if (!u->meta.default_dependencies ||
- target->meta.default_dependencies)
+ !target->meta.default_dependencies)
return 0;
/* Don't create loops */
u->meta.load_state = UNIT_ERROR;
u->meta.load_error = r;
unit_add_to_dbus_queue(u);
+ unit_add_to_gc_queue(u);
log_debug("Failed to load configuration for %s: %s", u->meta.id, strerror(-r));
if (u->meta.load_state != UNIT_LOADED)
return -EINVAL;
- /* If this is already (being) started, then this will
- * succeed. Note that this will even succeed if this unit is
- * not startable by the user. This is relied on to detect when
- * we need to wait for units and when waiting is finished. */
+ /* If this is already started, then this will succeed. Note
+ * that this will even succeed if this unit is not startable
+ * by the user. This is relied on to detect when we need to
+ * wait for units and when waiting is finished. */
state = unit_active_state(u);
if (UNIT_IS_ACTIVE_OR_RELOADING(state))
return -EALREADY;
- /* If the conditions failed, don't do anything at all */
- if (!unit_condition_test(u)) {
+ /* If the conditions failed, don't do anything at all. If we
+ * already are activating this call might still be useful to
+ * speed up activation in case there is some hold-off time,
+ * but we don't want to recheck the condition in that case. */
+ if (state != UNIT_ACTIVATING &&
+ !unit_condition_test(u)) {
log_debug("Starting of %s requested but condition failed. Ignoring.", u->meta.id);
return -EALREADY;
}
unit_add_to_dbus_queue(u);
- unit_status_printf(u, "Starting %s...\n", unit_description(u));
+ unit_status_printf(u, NULL, "Starting %s...", unit_description(u));
return UNIT_VTABLE(u)->start(u);
}
unit_add_to_dbus_queue(u);
- unit_status_printf(u, "Stopping %s...\n", unit_description(u));
+ unit_status_printf(u, NULL, "Stopping %s...", unit_description(u));
return UNIT_VTABLE(u)->stop(u);
}
return;
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY], i)
- if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ if (unit_pending_active(other))
return;
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_BY_OVERRIDABLE], i)
- if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ if (unit_pending_active(other))
return;
SET_FOREACH(other, u->meta.dependencies[UNIT_WANTED_BY], i)
- if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ if (unit_pending_active(other))
return;
SET_FOREACH(other, u->meta.dependencies[UNIT_BOUND_BY], i)
- if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
+ if (unit_pending_active(other))
return;
log_info("Service %s is not needed anymore. Stopping.", u->meta.id);
SET_FOREACH(other, u->meta.dependencies[UNIT_BOUND_BY], i)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
+}
+
+static void check_unneeded_dependencies(Unit *u) {
+ Iterator i;
+ Unit *other;
+
+ assert(u);
+ assert(UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(u)));
/* Garbage collect services that might not be needed anymore, if enabled */
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES], i)
* behaviour here. For example: if a mount point is remounted
* this function will be called too! */
- if (u->meta.manager->n_deserializing <= 0) {
+ if (u->meta.manager->n_reloading <= 0) {
dual_timestamp ts;
dual_timestamp_get(&ts);
} else
unexpected = true;
- if (u->meta.manager->n_deserializing <= 0) {
+ if (u->meta.manager->n_reloading <= 0) {
/* If this state change happened without being
* requested by a job, then let's retroactively start
retroactively_stop_dependencies(u);
}
+ /* stop unneeded units regardless if going down was expected or not */
+ if (UNIT_IS_ACTIVE_OR_ACTIVATING(os) && UNIT_IS_INACTIVE_OR_DEACTIVATING(ns))
+ check_unneeded_dependencies(u);
+
if (ns != os && ns == UNIT_FAILED) {
log_notice("Unit %s entered failed state.", u->meta.id);
unit_trigger_on_failure(u);
if (u->meta.type == UNIT_SERVICE &&
!UNIT_IS_ACTIVE_OR_RELOADING(os) &&
- u->meta.manager->n_deserializing <= 0) {
+ u->meta.manager->n_reloading <= 0) {
/* Write audit record if we have just finished starting up */
manager_send_unit_audit(u->meta.manager, u, AUDIT_SERVICE_START, true);
u->meta.in_audit = true;
if (u->meta.type == UNIT_SERVICE &&
UNIT_IS_INACTIVE_OR_FAILED(ns) &&
!UNIT_IS_INACTIVE_OR_FAILED(os) &&
- u->meta.manager->n_deserializing <= 0) {
+ u->meta.manager->n_reloading <= 0) {
/* Hmm, if there was no start record written
* write it now, so that we always have a nice
}
}
- manager_recheck_syslog(u->meta.manager);
+ manager_recheck_journal(u->meta.manager);
/* Maybe we finished startup and are now ready for being
* stopped because unneeded? */
[UNIT_AFTER] = UNIT_BEFORE,
[UNIT_ON_FAILURE] = _UNIT_DEPENDENCY_INVALID,
[UNIT_REFERENCES] = UNIT_REFERENCED_BY,
- [UNIT_REFERENCED_BY] = UNIT_REFERENCES
+ [UNIT_REFERENCED_BY] = UNIT_REFERENCES,
+ [UNIT_TRIGGERS] = UNIT_TRIGGERED_BY,
+ [UNIT_TRIGGERED_BY] = UNIT_TRIGGERS,
+ [UNIT_PROPAGATE_RELOAD_TO] = UNIT_PROPAGATE_RELOAD_FROM,
+ [UNIT_PROPAGATE_RELOAD_FROM] = UNIT_PROPAGATE_RELOAD_TO
};
int r, q = 0, v = 0, w = 0;
static char *default_cgroup_path(Unit *u) {
char *p;
- int r;
assert(u);
if (u->meta.instance) {
char *t;
- if (!(t = unit_name_template(u->meta.id)))
+ t = unit_name_template(u->meta.id);
+ if (!t)
return NULL;
- r = asprintf(&p, "%s/%s/%s", u->meta.manager->cgroup_hierarchy, t, u->meta.instance);
+ p = join(u->meta.manager->cgroup_hierarchy, "/", t, "/", u->meta.instance, NULL);
free(t);
} else
- r = asprintf(&p, "%s/%s", u->meta.manager->cgroup_hierarchy, u->meta.id);
+ p = join(u->meta.manager->cgroup_hierarchy, "/", u->meta.id, NULL);
- return r < 0 ? NULL : p;
+ return p;
}
int unit_add_cgroup_from_text(Unit *u, const char *name) {
}
int unit_add_default_cgroups(Unit *u) {
+ CGroupAttribute *a;
char **c;
int r;
+
assert(u);
/* Adds in the default cgroups, if they weren't specified
return r;
STRV_FOREACH(c, u->meta.manager->default_controllers)
- if ((r = unit_add_one_default_cgroup(u, *c)) < 0)
- return r;
+ unit_add_one_default_cgroup(u, *c);
+
+ LIST_FOREACH(by_unit, a, u->meta.cgroup_attributes)
+ unit_add_one_default_cgroup(u, a->controller);
return 0;
}
return cgroup_bonding_find_list(u->meta.cgroup_bondings, SYSTEMD_CGROUP_CONTROLLER);
}
+int unit_add_cgroup_attribute(Unit *u, const char *controller, const char *name, const char *value, CGroupAttributeMapCallback map_callback) {
+ int r;
+ char *c = NULL;
+ CGroupAttribute *a;
+
+ assert(u);
+ assert(name);
+ assert(value);
+
+ if (!controller) {
+ const char *dot;
+
+ dot = strchr(name, '.');
+ if (!dot)
+ return -EINVAL;
+
+ c = strndup(name, dot - name);
+ if (!c)
+ return -ENOMEM;
+
+ controller = c;
+ }
+
+ if (streq(controller, SYSTEMD_CGROUP_CONTROLLER)) {
+ r = -EINVAL;
+ goto finish;
+ }
+
+ a = new0(CGroupAttribute, 1);
+ if (!a) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (c) {
+ a->controller = c;
+ c = NULL;
+ } else
+ a->controller = strdup(controller);
+
+ a->name = strdup(name);
+ a->value = strdup(value);
+
+ if (!a->controller || !a->name || !a->value) {
+ free(a->controller);
+ free(a->name);
+ free(a->value);
+ free(a);
+
+ return -ENOMEM;
+ }
+
+ a->map_callback = map_callback;
+
+ LIST_PREPEND(CGroupAttribute, by_unit, u->meta.cgroup_attributes, a);
+
+ r = 0;
+
+finish:
+ free(c);
+ return r;
+}
+
int unit_load_related_unit(Unit *u, const char *type, Unit **_found) {
char *t;
int r;
return 0;
}
-void unit_status_printf(Unit *u, const char *format, ...) {
+void unit_status_printf(Unit *u, const char *status, const char *format, ...) {
va_list ap;
assert(u);
if (!UNIT_VTABLE(u)->show_status)
return;
- if (u->meta.manager->running_as != MANAGER_SYSTEM)
- return;
-
- /* If Plymouth is running make sure we show the status, so
- * that there's something nice to see when people press Esc */
-
- if (!u->meta.manager->show_status && !plymouth_running())
+ if (!manager_get_show_status(u->meta.manager))
return;
if (!manager_is_booting_or_shutting_down(u->meta.manager))
return;
va_start(ap, format);
- status_vprintf(format, ap);
+ status_vprintf(status, true, format, ap);
va_end(ap);
}
bool unit_pending_active(Unit *u) {
assert(u);
- /* Returns true if the unit is inactive or going down */
+ /* Returns true if the unit is active or going up */
if (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)))
return true;
return 0;
}
+UnitFileState unit_get_unit_file_state(Unit *u) {
+ assert(u);
+
+ if (u->meta.unit_file_state < 0 && u->meta.fragment_path)
+ u->meta.unit_file_state = unit_file_get_state(
+ u->meta.manager->running_as == MANAGER_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER,
+ NULL, file_name_from_path(u->meta.fragment_path));
+
+ return u->meta.unit_file_state;
+}
+
+Unit* unit_ref_set(UnitRef *ref, Unit *u) {
+ assert(ref);
+ assert(u);
+
+ if (ref->unit)
+ unit_ref_unset(ref);
+
+ ref->unit = u;
+ LIST_PREPEND(UnitRef, refs, u->meta.refs, ref);
+ return u;
+}
+
+void unit_ref_unset(UnitRef *ref) {
+ assert(ref);
+
+ if (!ref->unit)
+ return;
+
+ LIST_REMOVE(UnitRef, refs, ref->unit->meta.refs, ref);
+ ref->unit = NULL;
+}
+
static const char* const unit_load_state_table[_UNIT_LOAD_STATE_MAX] = {
[UNIT_STUB] = "stub",
[UNIT_LOADED] = "loaded",
[UNIT_AFTER] = "After",
[UNIT_REFERENCES] = "References",
[UNIT_REFERENCED_BY] = "ReferencedBy",
- [UNIT_ON_FAILURE] = "OnFailure"
+ [UNIT_ON_FAILURE] = "OnFailure",
+ [UNIT_TRIGGERS] = "Triggers",
+ [UNIT_TRIGGERED_BY] = "TriggeredBy",
+ [UNIT_PROPAGATE_RELOAD_TO] = "PropagateReloadTo",
+ [UNIT_PROPAGATE_RELOAD_FROM] = "PropagateReloadFrom"
};
DEFINE_STRING_TABLE_LOOKUP(unit_dependency, UnitDependency);
~ianmdlvl / elogind.git / blobdiff