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core: do not add implicit dbus.socket dependency
[elogind.git] / src / core / service.c
diff --git a/src/core/service.c b/src/core/service.c
index 8097e26b0034bac306813b92d4e26815ad8e7d6d..a2f0e3577bf8ea51bb5289492ff67ca80a7f6ff7 100644 (file)
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -210,8 +210,8 @@ static int service_set_main_pid(Service *s, pid_t pid) {
 
         if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
                 log_warning_unit(UNIT(s)->id,
-                                 "%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
-                                 UNIT(s)->id, (unsigned long) pid);
+                                 "%s: Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.",
+                                 UNIT(s)->id, pid);
 
                 s->main_pid_alien = true;
         } else
@@ -1138,28 +1138,10 @@ static int service_add_default_dependencies(Service *s) {
          * majority of services. */
 
         /* First, pull in base system */
-        if (UNIT(s)->manager->running_as == SYSTEMD_SYSTEM) {
-                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
-                                                      SPECIAL_BASIC_TARGET, NULL, true);
-                if (r < 0)
-                        return r;
-
-        } else if (UNIT(s)->manager->running_as == SYSTEMD_USER) {
-                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
-                                                      SPECIAL_SOCKETS_TARGET, NULL, true);
-                if (r < 0)
-                        return r;
-
-                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
-                                                      SPECIAL_TIMERS_TARGET, NULL, true);
-                if (r < 0)
-                        return r;
-
-                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
-                                                      SPECIAL_PATHS_TARGET, NULL, true);
-                if (r < 0)
-                        return r;
-        }
+        r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES,
+                                              SPECIAL_BASIC_TARGET, NULL, true);
+        if (r < 0)
+                return r;
 
         /* Second, activate normal shutdown */
         r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS,
@@ -1253,12 +1235,6 @@ static int service_load(Unit *u) {
                 if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
                         s->notify_access = NOTIFY_MAIN;
 
-                if (s->type == SERVICE_DBUS || s->bus_name) {
-                        r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true);
-                        if (r < 0)
-                                return r;
-                }
-
                 if (UNIT(s)->default_dependencies) {
                         r = service_add_default_dependencies(s);
                         if (r < 0)
@@ -1309,15 +1285,15 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
 
         if (s->control_pid > 0)
                 fprintf(f,
-                        "%sControl PID: %lu\n",
-                        prefix, (unsigned long) s->control_pid);
+                        "%sControl PID: "PID_FMT"\n",
+                        prefix, s->control_pid);
 
         if (s->main_pid > 0)
                 fprintf(f,
-                        "%sMain PID: %lu\n"
+                        "%sMain PID: "PID_FMT"\n"
                         "%sMain PID Known: %s\n"
                         "%sMain PID Alien: %s\n",
-                        prefix, (unsigned long) s->main_pid,
+                        prefix, s->main_pid,
                         prefix, yes_no(s->main_pid_known),
                         prefix, yes_no(s->main_pid_alien));
 
@@ -1401,8 +1377,8 @@ static int service_load_pid_file(Service *s, bool may_warn) {
         if (kill(pid, 0) < 0 && errno != EPERM) {
                 if (may_warn)
                         log_info_unit(UNIT(s)->id,
-                                      "PID %lu read from file %s does not exist.",
-                                      (unsigned long) pid, s->pid_file);
+                                      "PID "PID_FMT" read from file %s does not exist.",
+                                      pid, s->pid_file);
                 return -ESRCH;
         }
 
@@ -1411,13 +1387,13 @@ static int service_load_pid_file(Service *s, bool may_warn) {
                         return 0;
 
                 log_debug_unit(UNIT(s)->id,
-                               "Main PID changing: %lu -> %lu",
-                               (unsigned long) s->main_pid, (unsigned long) pid);
+                               "Main PID changing: "PID_FMT" -> "PID_FMT,
+                               s->main_pid, pid);
                 service_unwatch_main_pid(s);
                 s->main_pid_known = false;
         } else
                 log_debug_unit(UNIT(s)->id,
-                               "Main PID loaded: %lu", (unsigned long) pid);
+                               "Main PID loaded: "PID_FMT, pid);
 
         r = service_set_main_pid(s, pid);
         if (r < 0)
@@ -1427,8 +1403,8 @@ static int service_load_pid_file(Service *s, bool may_warn) {
         if (r < 0) {
                 /* FIXME: we need to do something here */
                 log_warning_unit(UNIT(s)->id,
-                                 "Failed to watch PID %lu from service %s",
-                                 (unsigned long) pid, UNIT(s)->id);
+                                 "Failed to watch PID "PID_FMT" from service %s",
+                                 pid, UNIT(s)->id);
                 return r;
         }
 
@@ -1456,7 +1432,7 @@ static int service_search_main_pid(Service *s) {
                 return -ENOENT;
 
         log_debug_unit(UNIT(s)->id,
-                       "Main PID guessed: %lu", (unsigned long) pid);
+                       "Main PID guessed: "PID_FMT, pid);
         r = service_set_main_pid(s, pid);
         if (r < 0)
                 return r;
@@ -1465,8 +1441,8 @@ static int service_search_main_pid(Service *s) {
         if (r < 0)
                 /* FIXME: we need to do something here */
                 log_warning_unit(UNIT(s)->id,
-                                 "Failed to watch PID %lu from service %s",
-                                 (unsigned long) pid, UNIT(s)->id);
+                                 "Failed to watch PID "PID_FMT" from service %s",
+                                 pid, UNIT(s)->id);
                 return r;
 
         return 0;
@@ -1763,13 +1739,13 @@ static int service_spawn(
                 }
 
         if (s->main_pid > 0)
-                if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
+                if (asprintf(our_env + n_env++, "MAINPID="PID_FMT, s->main_pid) < 0) {
                         r = -ENOMEM;
                         goto fail;
                 }
 
         if (UNIT(s)->manager->running_as != SYSTEMD_SYSTEM)
-                if (asprintf(our_env + n_env++, "MANAGERPID=%lu", (unsigned long) getpid()) < 0) {
+                if (asprintf(our_env + n_env++, "MANAGERPID="PID_FMT, getpid()) < 0) {
                         r = -ENOMEM;
                         goto fail;
                 }
@@ -2562,11 +2538,11 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
         unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result));
 
         if (s->control_pid > 0)
-                unit_serialize_item_format(u, f, "control-pid", "%lu",
-                                           (unsigned long) s->control_pid);
+                unit_serialize_item_format(u, f, "control-pid", PID_FMT,
+                                           s->control_pid);
 
         if (s->main_pid_known && s->main_pid > 0)
-                unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
+                unit_serialize_item_format(u, f, "main-pid", PID_FMT, s->main_pid);
 
         unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
 
@@ -2590,8 +2566,8 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
         }
 
         if (s->main_exec_status.pid > 0) {
-                unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu",
-                                           (unsigned long) s->main_exec_status.pid);
+                unit_serialize_item_format(u, f, "main-exec-status-pid", PID_FMT,
+                                           s->main_exec_status.pid);
                 dual_timestamp_serialize(f, "main-exec-status-start",
                                          &s->main_exec_status.start_timestamp);
                 dual_timestamp_serialize(f, "main-exec-status-exit",
@@ -3181,19 +3157,21 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us
         case SERVICE_START_PRE:
         case SERVICE_START:
                 log_warning_unit(UNIT(s)->id,
-                                 "%s operation timed out. Terminating.", UNIT(s)->id);
+                                 "%s %s operation timed out. Terminating.",
+                                 UNIT(s)->id,
+                                 s->state == SERVICE_START ? "start" : "start-pre");
                 service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
                 break;
 
         case SERVICE_START_POST:
                 log_warning_unit(UNIT(s)->id,
-                                 "%s operation timed out. Stopping.", UNIT(s)->id);
+                                 "%s start-post operation timed out. Stopping.", UNIT(s)->id);
                 service_enter_stop(s, SERVICE_FAILURE_TIMEOUT);
                 break;
 
         case SERVICE_RELOAD:
                 log_warning_unit(UNIT(s)->id,
-                                 "%s operation timed out. Stopping.", UNIT(s)->id);
+                                 "%s reload operation timed out. Stopping.", UNIT(s)->id);
                 s->reload_result = SERVICE_FAILURE_TIMEOUT;
                 service_enter_running(s, SERVICE_SUCCESS);
                 break;
@@ -3207,11 +3185,11 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us
         case SERVICE_STOP_SIGTERM:
                 if (s->kill_context.send_sigkill) {
                         log_warning_unit(UNIT(s)->id,
-                                         "%s stopping timed out. Killing.", UNIT(s)->id);
+                                         "%s stop-sigterm timed out. Killing.", UNIT(s)->id);
                         service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
                 } else {
                         log_warning_unit(UNIT(s)->id,
-                                         "%s stopping timed out. Skipping SIGKILL.", UNIT(s)->id);
+                                         "%s stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id);
                         service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
                 }
 
@@ -3229,18 +3207,18 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us
 
         case SERVICE_STOP_POST:
                 log_warning_unit(UNIT(s)->id,
-                                 "%s stopping timed out (2). Terminating.", UNIT(s)->id);
+                                 "%s stop-post timed out. Terminating.", UNIT(s)->id);
                 service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
                 break;
 
         case SERVICE_FINAL_SIGTERM:
                 if (s->kill_context.send_sigkill) {
                         log_warning_unit(UNIT(s)->id,
-                                         "%s stopping timed out (2). Killing.", UNIT(s)->id);
+                                         "%s stop-final-sigterm timed out. Killing.", UNIT(s)->id);
                         service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
                 } else {
                         log_warning_unit(UNIT(s)->id,
-                                         "%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.",
+                                         "%s stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.",
                                          UNIT(s)->id);
                         service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
                 }
@@ -3249,7 +3227,7 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us
 
         case SERVICE_FINAL_SIGKILL:
                 log_warning_unit(UNIT(s)->id,
-                                 "%s still around after SIGKILL (2). Entering failed mode.", UNIT(s)->id);
+                                 "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id);
                 service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
                 break;
 
@@ -3341,22 +3319,23 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
 
         assert(u);
 
+        log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT" (%s...)",
+                       u->id, pid, tags && *tags ? tags[0] : "(empty)");
+
         if (s->notify_access == NOTIFY_NONE) {
                 log_warning_unit(u->id,
-                                 "%s: Got notification message from PID %lu, but reception is disabled.",
-                                 u->id, (unsigned long) pid);
+                                 "%s: Got notification message from PID "PID_FMT", but reception is disabled.",
+                                 u->id, pid);
                 return;
         }
 
-        if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
+        if (s->notify_access == NOTIFY_MAIN && s->main_pid != 0 && pid != s->main_pid) {
                 log_warning_unit(u->id,
-                                 "%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
-                                 u->id, (unsigned long) pid, (unsigned long) s->main_pid);
+                                 "%s: Got notification message from PID "PID_FMT", but reception only permitted for PID "PID_FMT,
+                                 u->id, pid, s->main_pid);
                 return;
         }
 
-        log_debug_unit(u->id, "%s: Got message", u->id);
-
         /* Interpret MAINPID= */
         if ((e = strv_find_prefix(tags, "MAINPID=")) &&
             (s->state == SERVICE_START ||
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