RateLimit start_limit;
EmergencyAction start_limit_action;
- EmergencyAction failure_action;
- EmergencyAction success_action;
+ /* What to do on failure or success */
+ EmergencyAction success_action, failure_action;
+ int success_action_exit_status, failure_action_exit_status;
char *reboot_arg;
/* Make sure we never enter endless loops with the check unneeded logic, or the BindsTo= logic */
/* Counterparts in the cgroup filesystem */
char *cgroup_path;
- CGroupMask cgroup_realized_mask; /* In which hierarchies does this unit's cgroup exist? (only relevant on cgroupsv1) */
- CGroupMask cgroup_enabled_mask; /* Which controllers are enabled (or more correctly: enabled for the children) for this unit's cgroup? (only relevant on cgroupsv2) */
+ CGroupMask cgroup_realized_mask; /* In which hierarchies does this unit's cgroup exist? (only relevant on cgroup v1) */
+ CGroupMask cgroup_enabled_mask; /* Which controllers are enabled (or more correctly: enabled for the children) for this unit's cgroup? (only relevant on cgroup v2) */
CGroupMask cgroup_invalidated_mask; /* A mask specifiying controllers which shall be considered invalidated, and require re-realization */
CGroupMask cgroup_members_mask; /* A cache for the controllers required by all children of this cgroup (only relevant for slice units) */
int cgroup_inotify_wd;
bool exported_log_rate_limit_interval:1;
bool exported_log_rate_limit_burst:1;
+ /* Whether we warned about clamping the CPU quota period */
+ bool warned_clamping_cpu_quota_period:1;
+
/* When writing transient unit files, stores which section we stored last. If < 0, we didn't write any yet. If
* == 0 we are in the [Unit] section, if > 0 we are in the unit type-specific section. */
signed int last_section_private:2;
int (*load)(Unit *u);
/* During deserialization we only record the intended state to return to. With coldplug() we actually put the
- * deserialized state in effect. This is where unit_notify() should be called to start things up. */
+ * deserialized state in effect. This is where unit_notify() should be called to start things up. Note that
+ * this callback is invoked *before* we leave the reloading state of the manager, i.e. *before* we consider the
+ * reloading to be complete. Thus, this callback should just restore the exact same state for any unit that was
+ * in effect before the reload, i.e. units should not catch up with changes happened during the reload. That's
+ * what catchup() below is for. */
int (*coldplug)(Unit *u);
- /* This is called shortly after all units' coldplug() call was invoked. It's supposed to catch up state changes
- * we missed so far (for example because they took place while we were reloading/reexecing) */
+ /* This is called shortly after all units' coldplug() call was invoked, and *after* the manager left the
+ * reloading state. It's supposed to catch up with state changes due to external events we missed so far (for
+ * example because they took place while we were reloading/reexecing) */
void (*catchup)(Unit *u);
void (*dump)(Unit *u, FILE *f, const char *prefix);
/* Returns true if the unit currently needs access to the console */
bool (*needs_console)(Unit *u);
+ /* Returns the exit status to propagate in case of FailureAction=exit/SuccessAction=exit; usually returns the
+ * exit code of the "main" process of the service or similar. */
+ int (*exit_status)(Unit *u);
+
/* Like the enumerate() callback further down, but only enumerates the perpetual units, i.e. all units that
* unconditionally exist and are always active. The main reason to keep both enumeration functions separate is
* philosophical: the state of perpetual units should be put in place by coldplug(), while the state of those
const char *unit_description(Unit *u) _pure_;
-bool unit_has_name(Unit *u, const char *name);
+bool unit_has_name(const Unit *u, const char *name);
UnitActiveState unit_active_state(Unit *u);
void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlags flags);
-int unit_watch_pid(Unit *u, pid_t pid);
+int unit_watch_pid(Unit *u, pid_t pid, bool exclusive);
void unit_unwatch_pid(Unit *u, pid_t pid);
void unit_unwatch_all_pids(Unit *u);
void unit_warn_if_dir_nonempty(Unit *u, const char* where);
int unit_fail_if_noncanonical(Unit *u, const char* where);
-int unit_start_limit_test(Unit *u);
+int unit_test_start_limit(Unit *u);
void unit_unref_uid(Unit *u, bool destroy_now);
int unit_ref_uid(Unit *u, uid_t uid, bool clean_ipc);
int unit_prepare_exec(Unit *u);
-void unit_warn_leftover_processes(Unit *u);
+int unit_warn_leftover_processes(Unit *u);
bool unit_needs_console(Unit *u);
void unit_log_process_exit(Unit *u, int level, const char *kind, const char *command, int code, int status);
+int unit_exit_status(Unit *u);
+int unit_success_action_exit_status(Unit *u);
+int unit_failure_action_exit_status(Unit *u);
+
+int unit_test_trigger_loaded(Unit *u);
+
/* Macros which append UNIT= or USER_UNIT= to the message */
#define log_unit_full(unit, level, error, ...) \