chiark / gitweb /
service: recheck PID status when a cgroup runs empty
[elogind.git] / src / service.c
index 6b786d1bb124c141dfa3dddfdebd3af05cd519dc..fabb71ca978f23453aac4c4bec7cad1db28a7643 100644 (file)
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -49,20 +49,32 @@ static const struct {
         const char *target;
         const RunlevelType type;
 } rcnd_table[] = {
-        /* Standard SysV runlevels */
-        { "rc0.d",  SPECIAL_POWEROFF_TARGET,  RUNLEVEL_DOWN },
+        /* Standard SysV runlevels for start-up */
         { "rc1.d",  SPECIAL_RESCUE_TARGET,    RUNLEVEL_UP },
         { "rc2.d",  SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
         { "rc3.d",  SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
         { "rc4.d",  SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
         { "rc5.d",  SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
-        { "rc6.d",  SPECIAL_REBOOT_TARGET,    RUNLEVEL_DOWN },
 
+#ifdef TARGET_SUSE
         /* SUSE style boot.d */
         { "boot.d", SPECIAL_SYSINIT_TARGET,   RUNLEVEL_SYSINIT },
+#endif
 
+#ifdef TARGET_DEBIAN
         /* Debian style rcS.d */
         { "rcS.d",  SPECIAL_SYSINIT_TARGET,   RUNLEVEL_SYSINIT },
+#endif
+
+        /* Standard SysV runlevels for shutdown */
+        { "rc0.d",  SPECIAL_POWEROFF_TARGET,  RUNLEVEL_DOWN },
+        { "rc6.d",  SPECIAL_REBOOT_TARGET,    RUNLEVEL_DOWN }
+
+        /* Note that the order here matters, as we read the
+           directories in this order, and we want to make sure that
+           sysv_start_priority is known when we first load the
+           unit. And that value we only know from S links. Hence
+           UP/SYSINIT must be read before DOWN */
 };
 
 #define RUNLEVELS_UP "12345"
@@ -83,7 +95,7 @@ static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
         [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
         [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
         [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
-        [SERVICE_MAINTENANCE] = UNIT_MAINTENANCE,
+        [SERVICE_FAILED] = UNIT_FAILED,
         [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
 };
 
@@ -239,9 +251,17 @@ static int sysv_translate_facility(const char *name, char **_r) {
                 "$time",      SPECIAL_RTC_SET_TARGET,
 
                 /* Debian extensions */
+#ifdef TARGET_DEBIAN
                 "$mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+#endif
                 "$mail-transfer-agent",  SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
-                "$x-display-manager",    SPECIAL_DISPLAY_MANAGER_SERVICE
+                "$x-display-manager",    SPECIAL_DISPLAY_MANAGER_SERVICE,
+
+#ifdef TARGET_FEDORA
+                /* Fedora extensions, lacking the $ prefix */
+                "MTA",        SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
+                "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
+#endif
         };
 
         unsigned i;
@@ -284,6 +304,7 @@ static int sysv_fix_order(Service *s) {
         LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
                 Service *t;
                 UnitDependency d;
+                bool special_s, special_t;
 
                 t = (Service*) other;
 
@@ -299,7 +320,14 @@ static int sysv_fix_order(Service *s) {
                     (!t->sysv_path || t->sysv_has_lsb))
                         continue;
 
-                if (t->sysv_start_priority < s->sysv_start_priority)
+                special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
+                special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
+
+                if (special_t && !special_s)
+                        d = UNIT_AFTER;
+                else if (special_s && !special_t)
+                        d = UNIT_BEFORE;
+                else if (t->sysv_start_priority < s->sysv_start_priority)
                         d = UNIT_AFTER;
                 else if (t->sysv_start_priority > s->sysv_start_priority)
                         d = UNIT_BEFORE;
@@ -468,7 +496,7 @@ static int service_load_sysv_path(Service *s, const char *path) {
                                         t[k-1] = 0;
                                 }
 
-                                if (!(d = strdup(strstrip(t+12)))) {
+                                if (!(d = strappend("LSB: ", strstrip(t+12)))) {
                                         r = -ENOMEM;
                                         goto finish;
                                 }
@@ -546,13 +574,15 @@ static int service_load_sysv_path(Service *s, const char *path) {
 
                                         if (unit_name_to_type(m) == UNIT_SERVICE)
                                                 r = unit_add_name(u, m);
+                                        else if (s->sysv_enabled)
+                                                r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_WANTS, m, NULL, true);
                                         else
-                                                r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_REQUIRES, m, NULL, true);
-
-                                        free(m);
+                                                r = unit_add_dependency_by_name_inverse(u, UNIT_AFTER, m, NULL, true);
 
                                         if (r < 0)
-                                                goto finish;
+                                                log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
+
+                                        free(m);
                                 }
 
                         } else if (startswith_no_case(t, "Required-Start:") ||
@@ -582,10 +612,11 @@ static int service_load_sysv_path(Service *s, const char *path) {
                                                 continue;
 
                                         r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
-                                        free(m);
 
                                         if (r < 0)
-                                                goto finish;
+                                                log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
+
+                                        free(m);
                                 }
                         } else if (startswith_no_case(t, "Default-Start:")) {
                                 char *k, *d;
@@ -613,7 +644,7 @@ static int service_load_sysv_path(Service *s, const char *path) {
 
                                 state = LSB_DESCRIPTION;
 
-                                if (!(d = strdup(strstrip(t+12)))) {
+                                if (!(d = strappend("LSB: ", strstrip(t+12)))) {
                                         r = -ENOMEM;
                                         goto finish;
                                 }
@@ -626,7 +657,7 @@ static int service_load_sysv_path(Service *s, const char *path) {
 
                                 state = LSB;
 
-                                if (!(d = strdup(strstrip(t+18)))) {
+                                if (!(d = strappend("LSB: ", strstrip(t+18)))) {
                                         r = -ENOMEM;
                                         goto finish;
                                 }
@@ -684,9 +715,11 @@ static int service_load_sysv_path(Service *s, const char *path) {
 
         /* Special setting for all SysV services */
         s->type = SERVICE_FORKING;
-        s->valid_no_process = true;
+        s->remain_after_exit = true;
         s->restart = SERVICE_ONCE;
-        s->exec_context.std_output = EXEC_OUTPUT_TTY;
+        s->exec_context.std_output =
+                (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY)
+                ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL;
         s->exec_context.kill_mode = KILL_PROCESS_GROUP;
 
         u->meta.load_state = UNIT_LOADED;
@@ -775,7 +808,7 @@ static int service_load_sysv(Service *s) {
                         if (t == s->meta.id)
                                 continue;
 
-                        if ((r == service_load_sysv_name(s, t)) < 0)
+                        if ((r = service_load_sysv_name(s, t)) < 0)
                                 return r;
 
                         if (s->meta.load_state != UNIT_STUB)
@@ -812,8 +845,9 @@ static int service_verify(Service *s) {
                 return -EINVAL;
         }
 
-        if (s->exec_command[SERVICE_EXEC_START]->command_next) {
-                log_error("%s has more than one ExecStart setting. Refusing.", s->meta.id);
+        if (s->type != SERVICE_ONESHOT &&
+            s->exec_command[SERVICE_EXEC_START]->command_next) {
+                log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
                 return -EINVAL;
         }
 
@@ -851,7 +885,7 @@ static int service_add_default_dependencies(Service *s) {
         }
 
         /* Second, activate normal shutdown */
-        return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
+        return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true);
 }
 
 static int service_load(Unit *u) {
@@ -928,14 +962,16 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
                 "%sService State: %s\n"
                 "%sPermissionsStartOnly: %s\n"
                 "%sRootDirectoryStartOnly: %s\n"
-                "%sValidNoProcess: %s\n"
+                "%sRemainAfterExit: %s\n"
                 "%sType: %s\n"
+                "%sRestart: %s\n"
                 "%sNotifyAccess: %s\n",
                 prefix, service_state_to_string(s->state),
                 prefix, yes_no(s->permissions_start_only),
                 prefix, yes_no(s->root_directory_start_only),
-                prefix, yes_no(s->valid_no_process),
+                prefix, yes_no(s->remain_after_exit),
                 prefix, service_type_to_string(s->type),
+                prefix, service_restart_to_string(s->restart),
                 prefix, notify_access_to_string(s->notify_access));
 
         if (s->control_pid > 0)
@@ -982,8 +1018,10 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
 
         if (s->sysv_start_priority >= 0)
                 fprintf(f,
-                        "%sSysVStartPriority: %i\n",
-                        prefix, s->sysv_start_priority);
+                        "%sSysVStartPriority: %i\n"
+                        "%sSysVEnabled: %s\n",
+                        prefix, s->sysv_start_priority,
+                        prefix, yes_no(s->sysv_enabled));
 
         if (s->sysv_runlevels)
                 fprintf(f, "%sSysVRunLevels: %s\n",
@@ -1159,7 +1197,7 @@ static void service_set_state(Service *s, ServiceState state) {
             state == SERVICE_STOP_POST ||
             state == SERVICE_FINAL_SIGTERM ||
             state == SERVICE_FINAL_SIGKILL ||
-            state == SERVICE_MAINTENANCE ||
+            state == SERVICE_FAILED ||
             state == SERVICE_AUTO_RESTART)
                 service_notify_sockets_dead(s);
 
@@ -1224,7 +1262,7 @@ static int service_coldplug(Unit *u) {
                 if ((s->deserialized_state == SERVICE_START &&
                      (s->type == SERVICE_FORKING ||
                       s->type == SERVICE_DBUS ||
-                      s->type == SERVICE_FINISH ||
+                      s->type == SERVICE_ONESHOT ||
                       s->type == SERVICE_NOTIFY)) ||
                     s->deserialized_state == SERVICE_START_POST ||
                     s->deserialized_state == SERVICE_RUNNING ||
@@ -1474,7 +1512,7 @@ static void service_enter_dead(Service *s, bool success, bool allow_restart) {
                 s->failure = true;
 
         if (allow_restart &&
-            s->allow_restart &&
+            !s->forbid_restart &&
             (s->restart == SERVICE_RESTART_ALWAYS ||
              (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
 
@@ -1483,7 +1521,9 @@ static void service_enter_dead(Service *s, bool success, bool allow_restart) {
 
                 service_set_state(s, SERVICE_AUTO_RESTART);
         } else
-                service_set_state(s, s->failure ? SERVICE_MAINTENANCE : SERVICE_DEAD);
+                service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
+
+        s->forbid_restart = false;
 
         return;
 
@@ -1530,7 +1570,8 @@ fail:
 
 static void service_enter_signal(Service *s, ServiceState state, bool success) {
         int r;
-        bool sent = false;
+        Set *pid_set = NULL;
+        bool wait_for_exit = false;
 
         assert(s);
 
@@ -1540,38 +1581,53 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) {
         if (s->exec_context.kill_mode != KILL_NONE) {
                 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
 
-                if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
+                if (s->main_pid > 0) {
+                        if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
+                                 -s->main_pid :
+                                 s->main_pid, sig) < 0 && errno != ESRCH)
 
-                        if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) {
-                                if (r != -EAGAIN && r != -ESRCH)
-                                        goto fail;
-                        } else
-                                sent = true;
+                                log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
+                        else
+                                wait_for_exit = true;
                 }
 
-                if (!sent) {
-                        r = 0;
+                if (s->control_pid > 0) {
+                        if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
+                                 -s->control_pid :
+                                 s->control_pid, sig) < 0 && errno != ESRCH)
 
-                        if (s->main_pid > 0) {
-                                if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
-                                        r = -errno;
-                                else
-                                        sent = true;
-                        }
+                                log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
+                        else
+                                wait_for_exit = true;
+                }
 
-                        if (s->control_pid > 0) {
-                                if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
-                                        r = -errno;
-                                else
-                                        sent = true;
-                        }
+                if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
 
-                        if (r < 0)
+                        if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
+                                r = -ENOMEM;
                                 goto fail;
+                        }
+
+                        /* Exclude the main/control pids from being killed via the cgroup */
+                        if (s->main_pid > 0)
+                                if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
+                                        goto fail;
+
+                        if (s->control_pid > 0)
+                                if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
+                                        goto fail;
+
+                        if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
+                                if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
+                                        log_warning("Failed to kill control group: %s", strerror(-r));
+                        } else if (r > 0)
+                                wait_for_exit = true;
+
+                        set_free(pid_set);
                 }
         }
 
-        if (sent && (s->main_pid > 0 || s->control_pid > 0)) {
+        if (wait_for_exit) {
                 if (s->timeout_usec > 0)
                         if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
                                 goto fail;
@@ -1591,6 +1647,9 @@ fail:
                 service_enter_stop_post(s, false);
         else
                 service_enter_dead(s, false, true);
+
+        if (pid_set)
+                set_free(pid_set);
 }
 
 static void service_enter_stop(Service *s, bool success) {
@@ -1640,7 +1699,7 @@ static void service_enter_running(Service *s, bool success) {
         if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
             (s->bus_name_good || s->type != SERVICE_DBUS))
                 service_set_state(s, SERVICE_RUNNING);
-        else if (s->valid_no_process)
+        else if (s->remain_after_exit)
                 service_set_state(s, SERVICE_EXITED);
         else
                 service_enter_stop(s, true);
@@ -1683,15 +1742,18 @@ static void service_enter_start(Service *s) {
         assert(s);
 
         assert(s->exec_command[SERVICE_EXEC_START]);
-        assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
+        assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
 
         if (s->type == SERVICE_FORKING)
                 service_unwatch_control_pid(s);
         else
                 service_unwatch_main_pid(s);
 
+        s->control_command_id = SERVICE_EXEC_START;
+        s->control_command = s->exec_command[SERVICE_EXEC_START];
+
         if ((r = service_spawn(s,
-                               s->exec_command[SERVICE_EXEC_START],
+                               s->control_command,
                                s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
                                true,
                                true,
@@ -1713,17 +1775,14 @@ static void service_enter_start(Service *s) {
                 /* For forking services we wait until the start
                  * process exited. */
 
-                s->control_command_id = SERVICE_EXEC_START;
-                s->control_command = s->exec_command[SERVICE_EXEC_START];
-
                 s->control_pid = pid;
                 service_set_state(s, SERVICE_START);
 
-        } else if (s->type == SERVICE_FINISH ||
+        } else if (s->type == SERVICE_ONESHOT ||
                    s->type == SERVICE_DBUS ||
                    s->type == SERVICE_NOTIFY) {
 
-                /* For finishing services we wait until the start
+                /* For oneshot services we wait until the start
                  * process exited, too, but it is our main process. */
 
                 /* For D-Bus services we know the main pid right away,
@@ -1782,7 +1841,7 @@ static void service_enter_restart(Service *s) {
 
         service_enter_dead(s, true, false);
 
-        if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL, NULL)) < 0)
+        if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
                 goto fail;
 
         log_debug("%s scheduled restart job.", s->meta.id);
@@ -1826,7 +1885,7 @@ fail:
         service_enter_stop(s, false);
 }
 
-static void service_run_next(Service *s, bool success) {
+static void service_run_next_control(Service *s, bool success) {
         int r;
 
         assert(s);
@@ -1836,8 +1895,9 @@ static void service_run_next(Service *s, bool success) {
         if (!success)
                 s->failure = true;
 
-        s->control_command = s->control_command->command_next;
+        assert(s->control_command_id != SERVICE_EXEC_START);
 
+        s->control_command = s->control_command->command_next;
         service_unwatch_control_pid(s);
 
         if ((r = service_spawn(s,
@@ -1855,7 +1915,7 @@ static void service_run_next(Service *s, bool success) {
         return;
 
 fail:
-        log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r));
+        log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
 
         if (s->state == SERVICE_START_PRE)
                 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
@@ -1867,6 +1927,43 @@ fail:
                 service_enter_stop(s, false);
 }
 
+static void service_run_next_main(Service *s, bool success) {
+        pid_t pid;
+        int r;
+
+        assert(s);
+        assert(s->control_command);
+        assert(s->control_command->command_next);
+
+        if (!success)
+                s->failure = true;
+
+        assert(s->control_command_id == SERVICE_EXEC_START);
+        assert(s->type == SERVICE_ONESHOT);
+
+        s->control_command = s->control_command->command_next;
+        service_unwatch_main_pid(s);
+
+        if ((r = service_spawn(s,
+                               s->control_command,
+                               false,
+                               true,
+                               true,
+                               true,
+                               true,
+                               s->notify_access != NOTIFY_NONE,
+                               &pid)) < 0)
+                goto fail;
+
+        service_set_main_pid(s, pid);
+
+        return;
+
+fail:
+        log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
+        service_enter_stop(s, false);
+}
+
 static int service_start(Unit *u) {
         Service *s = SERVICE(u);
 
@@ -1888,7 +1985,7 @@ static int service_start(Unit *u) {
             s->state == SERVICE_START_POST)
                 return 0;
 
-        assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTENANCE || s->state == SERVICE_AUTO_RESTART);
+        assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
 
         /* Make sure we don't enter a busy loop of some kind. */
         if (!ratelimit_test(&s->ratelimit)) {
@@ -1906,7 +2003,7 @@ static int service_start(Unit *u) {
 
         s->failure = false;
         s->main_pid_known = false;
-        s->allow_restart = true;
+        s->forbid_restart = false;
 
         service_enter_start_pre(s);
         return 0;
@@ -1919,7 +2016,7 @@ static int service_stop(Unit *u) {
 
         /* This is a user request, so don't do restarts on this
          * shutdown. */
-        s->allow_restart = false;
+        s->forbid_restart = true;
 
         /* Already on it */
         if (s->state == SERVICE_STOP ||
@@ -1990,6 +2087,9 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
 
         unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
 
+        if (s->status_text)
+                unit_serialize_item(u, f, "status-text", s->status_text);
+
         /* There's a minor uncleanliness here: if there are multiple
          * commands attached here, we will start from the first one
          * again */
@@ -2032,7 +2132,6 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
 
 static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
         Service *s = SERVICE(u);
-        int r;
 
         assert(u);
         assert(key);
@@ -2056,14 +2155,14 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
         } else if (streq(key, "control-pid")) {
                 pid_t pid;
 
-                if ((r = parse_pid(value, &pid)) < 0)
+                if (parse_pid(value, &pid) < 0)
                         log_debug("Failed to parse control-pid value %s", value);
                 else
                         s->control_pid = pid;
         } else if (streq(key, "main-pid")) {
                 pid_t pid;
 
-                if ((r = parse_pid(value, &pid)) < 0)
+                if (parse_pid(value, &pid) < 0)
                         log_debug("Failed to parse main-pid value %s", value);
                 else
                         service_set_main_pid(s, (pid_t) pid);
@@ -2074,6 +2173,14 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
                         log_debug("Failed to parse main-pid-known value %s", value);
                 else
                         s->main_pid_known = b;
+        } else if (streq(key, "status-text")) {
+                char *t;
+
+                if ((t = strdup(value))) {
+                        free(s->status_text);
+                        s->status_text = t;
+                }
+
         } else if (streq(key, "control-command")) {
                 ServiceExecCommand id;
 
@@ -2097,49 +2204,49 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
         } else if (streq(key, "main-exec-status-pid")) {
                 pid_t pid;
 
-                if ((r = parse_pid(value, &pid)) < 0)
+                if (parse_pid(value, &pid) < 0)
                         log_debug("Failed to parse main-exec-status-pid value %s", value);
                 else
                         s->main_exec_status.pid = pid;
         } else if (streq(key, "main-exec-status-code")) {
                 int i;
 
-                if ((r = safe_atoi(value, &i)) < 0)
+                if (safe_atoi(value, &i) < 0)
                         log_debug("Failed to parse main-exec-status-code value %s", value);
                 else
                         s->main_exec_status.code = i;
         } else if (streq(key, "main-exec-status-status")) {
                 int i;
 
-                if ((r = safe_atoi(value, &i)) < 0)
+                if (safe_atoi(value, &i) < 0)
                         log_debug("Failed to parse main-exec-status-status value %s", value);
                 else
                         s->main_exec_status.status = i;
         } else if (streq(key, "main-exec-status-start-realtime")) {
                 uint64_t k;
 
-                if ((r = safe_atou64(value, &k)) < 0)
+                if (safe_atou64(value, &k) < 0)
                         log_debug("Failed to parse main-exec-status-start-realtime value %s", value);
                 else
                         s->main_exec_status.start_timestamp.realtime = (usec_t) k;
         } else if (streq(key, "main-exec-status-start-monotonic")) {
                 uint64_t k;
 
-                if ((r = safe_atou64(value, &k)) < 0)
+                if (safe_atou64(value, &k) < 0)
                         log_debug("Failed to parse main-exec-status-start-monotonic value %s", value);
                 else
                         s->main_exec_status.start_timestamp.monotonic = (usec_t) k;
         } else if (streq(key, "main-exec-status-exit-realtime")) {
                 uint64_t k;
 
-                if ((r = safe_atou64(value, &k)) < 0)
+                if (safe_atou64(value, &k) < 0)
                         log_debug("Failed to parse main-exec-status-exit-realtime value %s", value);
                 else
                         s->main_exec_status.exit_timestamp.realtime = (usec_t) k;
         } else if (streq(key, "main-exec-status-exit-monotonic")) {
                 uint64_t k;
 
-                if ((r = safe_atou64(value, &k)) < 0)
+                if (safe_atou64(value, &k) < 0)
                         log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value);
                 else
                         s->main_exec_status.exit_timestamp.monotonic = (usec_t) k;
@@ -2184,18 +2291,20 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
         assert(s);
         assert(pid >= 0);
 
-        success = is_clean_exit(code, status);
+        if (s->sysv_path)
+                success = is_clean_exit_lsb(code, status);
+        else
+                success = is_clean_exit(code, status);
 
         if (s->main_pid == pid) {
 
-                exec_status_exit(&s->main_exec_status, pid, code, status);
                 s->main_pid = 0;
+                exec_status_exit(&s->main_exec_status, pid, code, status);
 
-                if (s->type != SERVICE_FORKING) {
-                        assert(s->exec_command[SERVICE_EXEC_START]);
-                        s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
+                if (s->type != SERVICE_FORKING && s->control_command) {
+                        s->control_command->exec_status = s->main_exec_status;
 
-                        if (s->exec_command[SERVICE_EXEC_START]->ignore)
+                        if (s->control_command->ignore)
                                 success = true;
                 }
 
@@ -2203,51 +2312,69 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                          "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
                 s->failure = s->failure || !success;
 
-                /* The service exited, so the service is officially
-                 * gone. */
+                if (s->control_command &&
+                    s->control_command->command_next &&
+                    success) {
 
-                switch (s->state) {
+                        /* There is another command to *
+                         * execute, so let's do that. */
 
-                case SERVICE_START_POST:
-                case SERVICE_RELOAD:
-                case SERVICE_STOP:
-                        /* Need to wait until the operation is
-                         * done */
-                        break;
+                        log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
+                        service_run_next_main(s, success);
 
-                case SERVICE_START:
-                        if (s->type == SERVICE_FINISH) {
-                                /* This was our main goal, so let's go on */
-                                if (success)
-                                        service_enter_start_post(s);
-                                else
-                                        service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+                } else {
+
+                        /* The service exited, so the service is officially
+                         * gone. */
+
+                        s->control_command = NULL;
+                        s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+
+                        switch (s->state) {
+
+                        case SERVICE_START_POST:
+                        case SERVICE_RELOAD:
+                        case SERVICE_STOP:
+                                /* Need to wait until the operation is
+                                 * done */
                                 break;
-                        } else {
-                                assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
 
-                                /* Fall through */
-                        }
+                        case SERVICE_START:
+                                if (s->type == SERVICE_ONESHOT) {
+                                        /* This was our main goal, so let's go on */
+                                        if (success)
+                                                service_enter_start_post(s);
+                                        else
+                                                service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+                                        break;
+                                } else {
+                                        assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
 
-                case SERVICE_RUNNING:
-                        service_enter_running(s, success);
-                        break;
+                                        /* Fall through */
+                                }
+
+                        case SERVICE_RUNNING:
+                                service_enter_running(s, success);
+                                break;
 
-                case SERVICE_STOP_SIGTERM:
-                case SERVICE_STOP_SIGKILL:
+                        case SERVICE_STOP_SIGTERM:
+                        case SERVICE_STOP_SIGKILL:
 
-                        if (!control_pid_good(s))
-                                service_enter_stop_post(s, success);
+                                if (!control_pid_good(s))
+                                        service_enter_stop_post(s, success);
 
-                        /* If there is still a control process, wait for that first */
-                        break;
+                                /* If there is still a control process, wait for that first */
+                                break;
 
-                default:
-                        assert_not_reached("Uh, main process died at wrong time.");
+                        default:
+                                assert_not_reached("Uh, main process died at wrong time.");
+                        }
                 }
 
         } else if (s->control_pid == pid) {
 
+                s->control_pid = 0;
+
                 if (s->control_command) {
                         exec_status_exit(&s->control_command->exec_status, pid, code, status);
 
@@ -2255,22 +2382,19 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                                 success = true;
                 }
 
-                s->control_pid = 0;
-
-                log_full(success ? LOG_DEBUG : LOG_NOTICE,
+               log_full(success ? LOG_DEBUG : LOG_NOTICE,
                          "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
                 s->failure = s->failure || !success;
 
-                /* If we are shutting things down anyway we
-                 * don't care about failing commands. */
-
-                if (s->control_command && s->control_command->command_next && success) {
+                if (s->control_command &&
+                    s->control_command->command_next &&
+                    success) {
 
                         /* There is another command to *
                          * execute, so let's do that. */
 
-                        log_debug("%s running next command for state %s", u->meta.id, service_state_to_string(s->state));
-                        service_run_next(s, success);
+                        log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
+                        service_run_next_control(s, success);
 
                 } else {
                         /* No further commands for this step, so let's
@@ -2358,6 +2482,9 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                         }
                 }
         }
+
+        /* Notify clients about changed exit status */
+        unit_add_to_dbus_queue(u);
 }
 
 static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
@@ -2412,7 +2539,7 @@ static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
                 break;
 
         case SERVICE_FINAL_SIGKILL:
-                log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id);
+                log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
                 service_enter_dead(s, false, true);
                 break;
 
@@ -2445,6 +2572,13 @@ static void service_cgroup_notify_event(Unit *u) {
                 service_enter_running(s, true);
                 break;
 
+        case SERVICE_STOP_SIGTERM:
+        case SERVICE_STOP_SIGKILL:
+                if (main_pid_good(s) <= 0 && !control_pid_good(s))
+                        service_enter_stop_post(s, true);
+
+                break;
+
         default:
                 ;
         }
@@ -2498,16 +2632,25 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         if ((e = strv_find_prefix(tags, "STATUS="))) {
                 char *t;
 
-                if (!(t = strdup(e+7))) {
-                        log_error("Failed to allocate string.");
-                        return;
-                }
+                if (e[7]) {
+                        if (!(t = strdup(e+7))) {
+                                log_error("Failed to allocate string.");
+                                return;
+                        }
+
+                        log_debug("%s: got %s", u->meta.id, e);
 
-                log_debug("%s: got %s", u->meta.id, e);
+                        free(s->status_text);
+                        s->status_text = t;
+                } else {
+                        free(s->status_text);
+                        s->status_text = NULL;
+                }
 
-                free(s->status_text);
-                s->status_text = t;
         }
+
+        /* Notify clients about changed status or main pid */
+        unit_add_to_dbus_queue(u);
 }
 
 static int service_enumerate(Manager *m) {
@@ -2586,9 +2729,11 @@ static int service_enumerate(Manager *m) {
                                 }
 
                                 if (de->d_name[0] == 'S' &&
-                                    (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT))
+                                    (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
                                         SERVICE(service)->sysv_start_priority =
                                                 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
+                                        SERVICE(service)->sysv_enabled = true;
+                                }
 
                                 manager_dispatch_load_queue(m);
                                 service = unit_follow_merge(service);
@@ -2734,12 +2879,12 @@ int service_set_socket_fd(Service *s, int fd, Socket *sock) {
         return 0;
 }
 
-static void service_reset_maintenance(Unit *u) {
+static void service_reset_failed(Unit *u) {
         Service *s = SERVICE(u);
 
         assert(s);
 
-        if (s->state == SERVICE_MAINTENANCE)
+        if (s->state == SERVICE_FAILED)
                 service_set_state(s, SERVICE_DEAD);
 
         s->failure = false;
@@ -2759,7 +2904,7 @@ static const char* const service_state_table[_SERVICE_STATE_MAX] = {
         [SERVICE_STOP_POST] = "stop-post",
         [SERVICE_FINAL_SIGTERM] = "final-sigterm",
         [SERVICE_FINAL_SIGKILL] = "final-sigkill",
-        [SERVICE_MAINTENANCE] = "maintenance",
+        [SERVICE_FAILED] = "failed",
         [SERVICE_AUTO_RESTART] = "auto-restart",
 };
 
@@ -2776,7 +2921,7 @@ DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
 static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
         [SERVICE_SIMPLE] = "simple",
         [SERVICE_FORKING] = "forking",
-        [SERVICE_FINISH] = "finish",
+        [SERVICE_ONESHOT] = "oneshot",
         [SERVICE_DBUS] = "dbus",
         [SERVICE_NOTIFY] = "notify"
 };
@@ -2832,7 +2977,7 @@ const UnitVTable service_vtable = {
         .sigchld_event = service_sigchld_event,
         .timer_event = service_timer_event,
 
-        .reset_maintenance = service_reset_maintenance,
+        .reset_failed = service_reset_failed,
 
         .cgroup_notify_empty = service_cgroup_notify_event,
         .notify_message = service_notify_message,
@@ -2840,7 +2985,9 @@ const UnitVTable service_vtable = {
         .bus_name_owner_change = service_bus_name_owner_change,
         .bus_query_pid_done = service_bus_query_pid_done,
 
+        .bus_interface = "org.freedesktop.systemd1.Service",
         .bus_message_handler = bus_service_message_handler,
+        .bus_invalidating_properties =  bus_service_invalidating_properties,
 
         .enumerate = service_enumerate
 };