#include "specifier.h"
#include "dbus-unit.h"
#include "special.h"
+#include "cgroup-util.h"
const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = &service_vtable,
u->meta.manager = m;
u->meta.type = _UNIT_TYPE_INVALID;
u->meta.deserialized_job = _JOB_TYPE_INVALID;
+ u->meta.default_dependencies = true;
return u;
}
if (u->meta.load_state == UNIT_STUB || u->meta.in_dbus_queue)
return;
- if (set_isempty(u->meta.manager->subscribed)) {
+ /* Shortcut things if nobody cares */
+ if (!bus_has_subscriber(u->meta.manager)) {
u->meta.sent_dbus_new_signal = true;
return;
}
UnitActiveState unit_active_state(Unit *u) {
assert(u);
- if (u->meta.load_state != UNIT_LOADED)
- return UNIT_INACTIVE;
+ if (u->meta.load_state == UNIT_MERGED)
+ return unit_active_state(unit_follow_merge(u));
+
+ /* After a reload it might happen that a unit is not correctly
+ * loaded but still has a process around. That's why we won't
+ * shortcut failed loading to UNIT_INACTIVE_MAINTENANCE. */
return UNIT_VTABLE(u)->active_state(u);
}
if (other->meta.job)
return -EEXIST;
- if (unit_active_state(other) != UNIT_INACTIVE)
+ if (!UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(other)))
return -EEXIST;
/* Merge names */
if ((r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_LOGGER_SOCKET, NULL, true)) < 0)
return r;
- if (u->meta.manager->running_as != MANAGER_SESSION)
+ if (u->meta.manager->running_as == MANAGER_SYSTEM)
if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_LOGGER_SOCKET, NULL, true)) < 0)
return r;
"%s\tActive Enter Timestamp: %s\n"
"%s\tActive Exit Timestamp: %s\n"
"%s\tInactive Enter Timestamp: %s\n"
- "%s\tGC Check Good: %s\n"
- "%s\tOnly By Dependency: %s\n",
+ "%s\tGC Check Good: %s\n",
prefix, u->meta.id,
prefix, unit_description(u),
prefix, strna(u->meta.instance),
prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->meta.active_enter_timestamp.realtime)),
prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->meta.active_exit_timestamp.realtime)),
prefix, strna(format_timestamp(timestamp4, sizeof(timestamp4), u->meta.inactive_enter_timestamp.realtime)),
- prefix, yes_no(unit_check_gc(u)),
- prefix, yes_no(u->meta.only_by_dependency));
+ prefix, yes_no(unit_check_gc(u)));
SET_FOREACH(t, u->meta.names, i)
fprintf(f, "%s\tName: %s\n", prefix, t);
if (u->meta.load_state == UNIT_LOADED) {
fprintf(f,
"%s\tRecursive Stop: %s\n"
- "%s\tStop When Unneeded: %s\n",
+ "%s\tStopWhenUnneeded: %s\n"
+ "%s\tOnlyByDependency: %s\n"
+ "%s\tDefaultDependencies: %s\n"
+ "%s\tIgnoreDependencyFailure: %s\n",
prefix, yes_no(u->meta.recursive_stop),
- prefix, yes_no(u->meta.stop_when_unneeded));
+ prefix, yes_no(u->meta.stop_when_unneeded),
+ prefix, yes_no(u->meta.only_by_dependency),
+ prefix, yes_no(u->meta.default_dependencies),
+ prefix, yes_no(u->meta.ignore_dependency_failure));
LIST_FOREACH(by_unit, b, u->meta.cgroup_bondings)
fprintf(f, "%s\tControlGroup: %s:%s\n",
u->meta.load_state = UNIT_FAILED;
unit_add_to_dbus_queue(u);
- log_debug("Failed to load configuration for %s: %s", u->meta.id, strerror(-r));
+ log_notice("Failed to load configuration for %s: %s", u->meta.id, strerror(-r));
return r;
}
assert(u);
+ 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
* before it will start again. */
unit_add_to_dbus_queue(u);
+
+ unit_status_printf(u, "Starting %s...\n", unit_description(u));
+
return UNIT_VTABLE(u)->start(u);
}
assert(u);
state = unit_active_state(u);
- if (state == UNIT_INACTIVE)
+ if (UNIT_IS_INACTIVE_OR_MAINTENANCE(state))
return -EALREADY;
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);
}
assert(u);
+ if (u->meta.load_state != UNIT_LOADED)
+ return -EINVAL;
+
if (!unit_can_reload(u))
return -EBADR;
state = unit_active_state(u);
- if (unit_active_state(u) == UNIT_ACTIVE_RELOADING)
+ if (unit_active_state(u) == UNIT_RELOADING)
return -EALREADY;
if (unit_active_state(u) != UNIT_ACTIVE)
if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
return;
- log_debug("Service %s is not needed anymore. Stopping.", u->meta.id);
+ log_info("Service %s is not needed anymore. Stopping.", u->meta.id);
/* Ok, nobody needs us anymore. Sniff. Then let's commit suicide */
- manager_add_job(u->meta.manager, JOB_STOP, u, JOB_FAIL, true, NULL);
+ manager_add_job(u->meta.manager, JOB_STOP, u, JOB_FAIL, true, NULL, NULL);
}
static void retroactively_start_dependencies(Unit *u) {
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES], i)
if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL);
+ manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i)
if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL);
+ manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUISITE], i)
if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL);
+ manager_add_job(u->meta.manager, JOB_START, other, JOB_REPLACE, true, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_WANTS], i)
if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL);
+ manager_add_job(u->meta.manager, JOB_START, other, JOB_FAIL, false, NULL, NULL);
SET_FOREACH(other, u->meta.dependencies[UNIT_CONFLICTS], i)
if (!UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
- manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL);
+ manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
}
static void retroactively_stop_dependencies(Unit *u) {
/* Pull down units need us recursively if enabled */
SET_FOREACH(other, u->meta.dependencies[UNIT_REQUIRED_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);
+ manager_add_job(u->meta.manager, JOB_STOP, other, JOB_REPLACE, true, NULL, NULL);
}
/* Garbage collect services that might not be needed anymore, if enabled */
}
void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns) {
- bool unexpected = false;
- timestamp ts;
+ dual_timestamp ts;
assert(u);
assert(os < _UNIT_ACTIVE_STATE_MAX);
* this function will be called too and the utmp code below
* relies on that! */
- timestamp_get(&ts);
+ dual_timestamp_get(&ts);
- if (os == UNIT_INACTIVE && ns != UNIT_INACTIVE)
+ if (UNIT_IS_INACTIVE_OR_MAINTENANCE(os) && !UNIT_IS_INACTIVE_OR_MAINTENANCE(ns))
u->meta.inactive_exit_timestamp = ts;
- else if (os != UNIT_INACTIVE && ns == UNIT_INACTIVE)
+ else if (!UNIT_IS_INACTIVE_OR_MAINTENANCE(os) && UNIT_IS_INACTIVE_OR_MAINTENANCE(ns))
u->meta.inactive_enter_timestamp = ts;
if (!UNIT_IS_ACTIVE_OR_RELOADING(os) && UNIT_IS_ACTIVE_OR_RELOADING(ns))
else if (UNIT_IS_ACTIVE_OR_RELOADING(os) && !UNIT_IS_ACTIVE_OR_RELOADING(ns))
u->meta.active_exit_timestamp = ts;
+ if (ns != os && ns == UNIT_MAINTENANCE)
+ log_notice("Unit %s entered maintenance state.", u->meta.id);
+
+ if (UNIT_IS_INACTIVE_OR_MAINTENANCE(ns))
+ cgroup_bonding_trim_list(u->meta.cgroup_bondings, true);
+
timer_unit_notify(u, ns);
path_unit_notify(u, ns);
if (u->meta.job) {
+ bool unexpected = false;
if (u->meta.job->state == JOB_WAITING)
if (u->meta.job->state == JOB_RUNNING) {
if (ns == UNIT_ACTIVE)
job_finish_and_invalidate(u->meta.job, true);
- else if (ns != UNIT_ACTIVATING && ns != UNIT_ACTIVE_RELOADING) {
+ else if (ns != UNIT_ACTIVATING && ns != UNIT_RELOADING) {
unexpected = true;
job_finish_and_invalidate(u->meta.job, false);
}
case JOB_RESTART:
case JOB_TRY_RESTART:
- if (ns == UNIT_INACTIVE)
+ if (ns == UNIT_INACTIVE || ns == UNIT_MAINTENANCE)
job_finish_and_invalidate(u->meta.job, true);
else if (u->meta.job->state == JOB_RUNNING && ns != UNIT_DEACTIVATING) {
unexpected = true;
default:
assert_not_reached("Job type unknown");
}
- }
- /* If this state change happened without being requested by a
- * job, then let's retroactively start or stop dependencies */
+ /* If this state change happened without being
+ * requested by a job, then let's retroactively start
+ * or stop dependencies */
- if (unexpected) {
- if (UNIT_IS_INACTIVE_OR_DEACTIVATING(os) && UNIT_IS_ACTIVE_OR_ACTIVATING(ns))
- retroactively_start_dependencies(u);
- else if (UNIT_IS_ACTIVE_OR_ACTIVATING(os) && UNIT_IS_INACTIVE_OR_DEACTIVATING(ns))
- retroactively_stop_dependencies(u);
+ if (unexpected) {
+ if (UNIT_IS_INACTIVE_OR_DEACTIVATING(os) && UNIT_IS_ACTIVE_OR_ACTIVATING(ns))
+ retroactively_start_dependencies(u);
+ else if (UNIT_IS_ACTIVE_OR_ACTIVATING(os) && UNIT_IS_INACTIVE_OR_DEACTIVATING(ns))
+ retroactively_stop_dependencies(u);
+ }
}
/* Some names are special */
/* The bus just might have become available,
* hence try to connect to it, if we aren't
* yet connected. */
- bus_init_system(u->meta.manager);
- bus_init_api(u->meta.manager);
+ bus_init(u->meta.manager);
}
if (unit_has_name(u, SPECIAL_SYSLOG_SERVICE))
/* Watch a specific PID. We only support one unit watching
* each PID for now. */
- return hashmap_put(u->meta.manager->watch_pids, UINT32_TO_PTR(pid), u);
+ return hashmap_put(u->meta.manager->watch_pids, LONG_TO_PTR(pid), u);
}
void unit_unwatch_pid(Unit *u, pid_t pid) {
assert(u);
assert(pid >= 1);
- hashmap_remove_value(u->meta.manager->watch_pids, UINT32_TO_PTR(pid), u);
+ hashmap_remove_value(u->meta.manager->watch_pids, LONG_TO_PTR(pid), u);
}
int unit_watch_timer(Unit *u, usec_t delay, Watch *w) {
return r;
}
+int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference) {
+ int r;
+
+ assert(u);
+
+ if ((r = unit_add_dependency(u, d, other, add_reference)) < 0)
+ return r;
+
+ if ((r = unit_add_dependency(u, e, other, add_reference)) < 0)
+ return r;
+
+ return 0;
+}
+
static const char *resolve_template(Unit *u, const char *name, const char*path, char **p) {
char *s;
if (!(name = resolve_template(u, name, path, &s)))
return -ENOMEM;
- if ((r = manager_load_unit(u->meta.manager, name, path, &other)) < 0)
+ if ((r = manager_load_unit(u->meta.manager, name, path, NULL, &other)) < 0)
goto finish;
r = unit_add_dependency(u, d, other, add_reference);
return r;
}
+int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
+ Unit *other;
+ int r;
+ char *s;
+
+ assert(u);
+ assert(name || path);
+
+ if (!(name = resolve_template(u, name, path, &s)))
+ return -ENOMEM;
+
+ if ((r = manager_load_unit(u->meta.manager, name, path, NULL, &other)) < 0)
+ goto finish;
+
+ r = unit_add_two_dependencies(u, d, e, other, add_reference);
+
+finish:
+ free(s);
+ return r;
+}
+
int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *path, bool add_reference) {
Unit *other;
int r;
if (!(name = resolve_template(u, name, path, &s)))
return -ENOMEM;
- if ((r = manager_load_unit(u->meta.manager, name, path, &other)) < 0)
+ if ((r = manager_load_unit(u->meta.manager, name, path, NULL, &other)) < 0)
goto finish;
r = unit_add_dependency(other, d, u, add_reference);
return r;
}
+int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference) {
+ Unit *other;
+ int r;
+ char *s;
+
+ assert(u);
+ assert(name || path);
+
+ if (!(name = resolve_template(u, name, path, &s)))
+ return -ENOMEM;
+
+ if ((r = manager_load_unit(u->meta.manager, name, path, NULL, &other)) < 0)
+ goto finish;
+
+ if ((r = unit_add_two_dependencies(other, d, e, u, add_reference)) < 0)
+ goto finish;
+
+finish:
+ free(s);
+ return r;
+}
+
int set_unit_path(const char *p) {
char *cwd, *c;
int r;
if (n > 0)
controller = strndup(name, n);
else
- controller = strdup(u->meta.manager->cgroup_controller);
+ controller = strdup(SYSTEMD_CGROUP_CONTROLLER);
if (!controller) {
r = -ENOMEM;
if (!(b = new0(CGroupBonding, 1)))
return -ENOMEM;
- if (!(b->controller = strdup(u->meta.manager->cgroup_controller)))
+ if (!(b->controller = strdup(SYSTEMD_CGROUP_CONTROLLER)))
goto fail;
if (!(b->path = default_cgroup_path(u)))
CGroupBonding* unit_get_default_cgroup(Unit *u) {
assert(u);
- return cgroup_bonding_find_list(u->meta.cgroup_bondings, u->meta.manager->cgroup_controller);
+ return cgroup_bonding_find_list(u->meta.cgroup_bondings, SYSTEMD_CGROUP_CONTROLLER);
}
int unit_load_related_unit(Unit *u, const char *type, Unit **_found) {
assert(!unit_has_name(u, t));
- r = manager_load_unit(u->meta.manager, t, NULL, _found);
+ r = manager_load_unit(u->meta.manager, t, NULL, NULL, _found);
free(t);
assert(r < 0 || *_found != u);
if (!(e = unit_name_build_escape(what+1, NULL, ".device")))
return -ENOMEM;
- r = manager_load_unit(u->meta.manager, e, NULL, &device);
+ r = manager_load_unit(u->meta.manager, e, NULL, NULL, &device);
free(e);
if (r < 0)
return r;
- if ((r = unit_add_dependency(u, UNIT_AFTER, device, true)) < 0)
- return r;
-
- if ((r = unit_add_dependency(u, UNIT_REQUIRES, device, true)) < 0)
+ if ((r = unit_add_two_dependencies(u, UNIT_AFTER, UNIT_REQUIRES, device, true)) < 0)
return r;
if (wants)
return r;
if (u->meta.deserialized_job >= 0) {
- if ((r = manager_add_job(u->meta.manager, u->meta.deserialized_job, u, JOB_FAIL, false, NULL)) < 0)
+ if ((r = manager_add_job(u->meta.manager, u->meta.deserialized_job, u, JOB_FAIL, false, NULL, NULL)) < 0)
return r;
u->meta.deserialized_job = _JOB_TYPE_INVALID;
return 0;
}
+void unit_status_printf(Unit *u, const char *format, ...) {
+ va_list ap;
+
+ assert(u);
+ assert(format);
+
+ if (!UNIT_VTABLE(u)->show_status)
+ return;
+
+ if (u->meta.manager->running_as != MANAGER_SYSTEM)
+ return;
+
+ if (!u->meta.manager->show_status)
+ return;
+
+ if (!manager_is_booting_or_shutting_down(u->meta.manager))
+ return;
+
+ va_start(ap, format);
+ status_vprintf(format, ap);
+ va_end(ap);
+}
+
static const char* const unit_type_table[_UNIT_TYPE_MAX] = {
[UNIT_SERVICE] = "service",
[UNIT_TIMER] = "timer",
static const char* const unit_active_state_table[_UNIT_ACTIVE_STATE_MAX] = {
[UNIT_ACTIVE] = "active",
+ [UNIT_RELOADING] = "reloading",
[UNIT_INACTIVE] = "inactive",
+ [UNIT_MAINTENANCE] = "maintenance",
[UNIT_ACTIVATING] = "activating",
[UNIT_DEACTIVATING] = "deactivating"
};
~ianmdlvl / elogind.git / blobdiff