chiark / gitweb /
add REMOTE_ADDR and REMOTE_PORT for Accept=yes
[elogind.git] / src / core / service.c
index d160c4e93b308ba13074396b9fc562ec09d59434..db1f1e78efcfd8b74cec30dcb12f43dc6ed48b86 100644 (file)
@@ -21,7 +21,6 @@
 
 #include <errno.h>
 #include <signal.h>
-#include <dirent.h>
 #include <unistd.h>
 
 #include "async.h"
@@ -56,6 +55,7 @@ static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
         [SERVICE_EXITED] = UNIT_ACTIVE,
         [SERVICE_RELOAD] = UNIT_RELOADING,
         [SERVICE_STOP] = UNIT_DEACTIVATING,
+        [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING,
         [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
         [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
         [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
@@ -76,6 +76,7 @@ static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] =
         [SERVICE_EXITED] = UNIT_ACTIVE,
         [SERVICE_RELOAD] = UNIT_RELOADING,
         [SERVICE_STOP] = UNIT_DEACTIVATING,
+        [SERVICE_STOP_SIGABRT] = UNIT_DEACTIVATING,
         [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
         [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
         [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
@@ -135,7 +136,7 @@ static void service_unwatch_pid_file(Service *s) {
         if (!s->pid_file_pathspec)
                 return;
 
-        log_debug_unit(UNIT(s)->id, "Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+        log_unit_debug(UNIT(s)->id, "Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
         path_spec_unwatch(s->pid_file_pathspec);
         path_spec_done(s->pid_file_pathspec);
         free(s->pid_file_pathspec);
@@ -165,7 +166,7 @@ static int service_set_main_pid(Service *s, pid_t pid) {
         s->main_pid_known = true;
 
         if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
-                log_warning_unit(UNIT(s)->id, "%s: Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.", UNIT(s)->id, pid);
+                log_unit_warning(UNIT(s)->id, "%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
                 s->main_pid_alien = false;
@@ -207,7 +208,7 @@ static void service_start_watchdog(Service *s) {
         if (s->watchdog_event_source) {
                 r = sd_event_source_set_time(s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec);
                 if (r < 0) {
-                        log_warning_unit(UNIT(s)->id, "%s failed to reset watchdog timer: %s", UNIT(s)->id, strerror(-r));
+                        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to reset watchdog timer: %m", UNIT(s)->id);
                         return;
                 }
 
@@ -220,7 +221,7 @@ static void service_start_watchdog(Service *s) {
                                 s->watchdog_timestamp.monotonic + s->watchdog_usec, 0,
                                 service_dispatch_watchdog, s);
                 if (r < 0) {
-                        log_warning_unit(UNIT(s)->id, "%s failed to add watchdog timer: %s", UNIT(s)->id, strerror(-r));
+                        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to add watchdog timer: %m", UNIT(s)->id);
                         return;
                 }
 
@@ -230,7 +231,7 @@ static void service_start_watchdog(Service *s) {
         }
 
         if (r < 0)
-                log_warning_unit(UNIT(s)->id, "%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r));
+                log_unit_warning_errno(UNIT(s)->id, r, "%s failed to install watchdog timer: %m", UNIT(s)->id);
 }
 
 static void service_reset_watchdog(Service *s) {
@@ -240,6 +241,42 @@ static void service_reset_watchdog(Service *s) {
         service_start_watchdog(s);
 }
 
+static void service_fd_store_unlink(ServiceFDStore *fs) {
+
+        if (!fs)
+                return;
+
+        if (fs->service) {
+                assert(fs->service->n_fd_store > 0);
+                LIST_REMOVE(fd_store, fs->service->fd_store, fs);
+                fs->service->n_fd_store--;
+        }
+
+        if (fs->event_source) {
+                sd_event_source_set_enabled(fs->event_source, SD_EVENT_OFF);
+                sd_event_source_unref(fs->event_source);
+        }
+
+        safe_close(fs->fd);
+        free(fs);
+}
+
+static void service_release_resources(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        if (!s->fd_store)
+                return;
+
+        log_debug("Releasing all resources for %s", u->id);
+
+        while (s->fd_store)
+                service_fd_store_unlink(s->fd_store);
+
+        assert(s->n_fd_store == 0);
+}
+
 static void service_done(Unit *u) {
         Service *s = SERVICE(u);
 
@@ -284,6 +321,90 @@ static void service_done(Unit *u) {
         service_stop_watchdog(s);
 
         s->timer_event_source = sd_event_source_unref(s->timer_event_source);
+
+        service_release_resources(u);
+}
+
+static int on_fd_store_io(sd_event_source *e, int fd, uint32_t revents, void *userdata) {
+        ServiceFDStore *fs = userdata;
+
+        assert(e);
+        assert(fs);
+
+        /* If we get either EPOLLHUP or EPOLLERR, it's time to remove this entry from the fd store */
+        service_fd_store_unlink(fs);
+        return 0;
+}
+
+static int service_add_fd_store(Service *s, int fd) {
+        ServiceFDStore *fs;
+        int r;
+
+        assert(s);
+        assert(fd >= 0);
+
+        if (s->n_fd_store >= s->n_fd_store_max)
+                return 0;
+
+        LIST_FOREACH(fd_store, fs, s->fd_store) {
+                r = same_fd(fs->fd, fd);
+                if (r < 0)
+                        return r;
+                if (r > 0) {
+                        /* Already included */
+                        safe_close(fd);
+                        return 1;
+                }
+        }
+
+        fs = new0(ServiceFDStore, 1);
+        if (!fs)
+                return -ENOMEM;
+
+        fs->fd = fd;
+        fs->service = s;
+
+        r = sd_event_add_io(UNIT(s)->manager->event, &fs->event_source, fd, 0, on_fd_store_io, fs);
+        if (r < 0) {
+                free(fs);
+                return r;
+        }
+
+        LIST_PREPEND(fd_store, s->fd_store, fs);
+        s->n_fd_store++;
+
+        return 1;
+}
+
+static int service_add_fd_store_set(Service *s, FDSet *fds) {
+        int r;
+
+        assert(s);
+
+        if (fdset_size(fds) <= 0)
+                return 0;
+
+        while (s->n_fd_store < s->n_fd_store_max) {
+                _cleanup_close_ int fd = -1;
+
+                fd = fdset_steal_first(fds);
+                if (fd < 0)
+                        break;
+
+                r = service_add_fd_store(s, fd);
+                if (r < 0)
+                        return log_unit_error_errno(UNIT(s)->id, r, "%s: Couldn't add fd to fd store: %m", UNIT(s)->id);
+
+                if (r > 0) {
+                        log_unit_debug(UNIT(s)->id, "%s: added fd to fd store.", UNIT(s)->id);
+                        fd = -1;
+                }
+        }
+
+        if (fdset_size(fds) > 0)
+                log_unit_warning(UNIT(s)->id, "%s: tried to store more fds than FDStoreMax=%u allows, closing remaining.", UNIT(s)->id, s->n_fd_store_max);
+
+        return 0;
 }
 
 static int service_arm_timer(Service *s, usec_t usec) {
@@ -314,45 +435,45 @@ static int service_verify(Service *s) {
                 return 0;
 
         if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) {
-                log_error_unit(UNIT(s)->id, "%s lacks both ExecStart= and ExecStop= setting. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s lacks both ExecStart= and ExecStop= setting. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->type != SERVICE_ONESHOT && !s->exec_command[SERVICE_EXEC_START]) {
-                log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START]) {
-                log_error_unit(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->type != SERVICE_ONESHOT && s->exec_command[SERVICE_EXEC_START]->command_next) {
-                log_error_unit(UNIT(s)->id, "%s has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has more than one ExecStart= setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) {
-                log_error_unit(UNIT(s)->id, "%s has Restart= setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has Restart= setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->type == SERVICE_ONESHOT && !exit_status_set_is_empty(&s->restart_force_status)) {
-                log_error_unit(UNIT(s)->id, "%s has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->type == SERVICE_DBUS && !s->bus_name) {
-                log_error_unit(UNIT(s)->id, "%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
         if (s->bus_name && s->type != SERVICE_DBUS)
-                log_warning_unit(UNIT(s)->id, "%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id);
 
         if (s->exec_context.pam_name && !(s->kill_context.kill_mode == KILL_CONTROL_GROUP || s->kill_context.kill_mode == KILL_MIXED)) {
-                log_error_unit(UNIT(s)->id, "%s has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing.", UNIT(s)->id);
+                log_unit_error(UNIT(s)->id, "%s has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing.", UNIT(s)->id);
                 return -EINVAL;
         }
 
@@ -373,8 +494,7 @@ static int service_add_default_dependencies(Service *s) {
                 return r;
 
         /* Second, activate normal shutdown */
-        r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
-        return r;
+        return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
 }
 
 static void service_fix_output(Service *s) {
@@ -395,6 +515,67 @@ static void service_fix_output(Service *s) {
                 s->exec_context.std_output = UNIT(s)->manager->default_std_output;
 }
 
+static int service_add_extras(Service *s) {
+        int r;
+
+        assert(s);
+
+        if (s->type == _SERVICE_TYPE_INVALID) {
+                /* Figure out a type automatically */
+                if (s->bus_name)
+                        s->type = SERVICE_DBUS;
+                else if (s->exec_command[SERVICE_EXEC_START])
+                        s->type = SERVICE_SIMPLE;
+                else
+                        s->type = SERVICE_ONESHOT;
+        }
+
+        /* Oneshot services have disabled start timeout by default */
+        if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
+                s->timeout_start_usec = 0;
+
+        service_fix_output(s);
+
+        r = unit_patch_contexts(UNIT(s));
+        if (r < 0)
+                return r;
+
+        r = unit_add_exec_dependencies(UNIT(s), &s->exec_context);
+        if (r < 0)
+                return r;
+
+        r = unit_add_default_slice(UNIT(s), &s->cgroup_context);
+        if (r < 0)
+                return r;
+
+        if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
+                s->notify_access = NOTIFY_MAIN;
+
+        if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
+                s->notify_access = NOTIFY_MAIN;
+
+        if (s->bus_name) {
+                const char *n;
+
+                r = unit_watch_bus_name(UNIT(s), s->bus_name);
+                if (r < 0)
+                        return r;
+
+                n = strjoina(s->bus_name, ".busname");
+                r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, n, NULL, true);
+                if (r < 0)
+                        return r;
+        }
+
+        if (UNIT(s)->default_dependencies) {
+                r = service_add_default_dependencies(s);
+                if (r < 0)
+                        return r;
+        }
+
+        return 0;
+}
+
 static int service_load(Unit *u) {
         Service *s = SERVICE(u);
         int r;
@@ -419,52 +600,11 @@ static int service_load(Unit *u) {
                 if (r < 0)
                         return r;
 
-                if (s->type == _SERVICE_TYPE_INVALID) {
-                        /* Figure out a type automatically */
-                        if (s->bus_name)
-                                s->type = SERVICE_DBUS;
-                        else if (s->exec_command[SERVICE_EXEC_START])
-                                s->type = SERVICE_SIMPLE;
-                        else
-                                s->type = SERVICE_ONESHOT;
-                }
-
-                /* Oneshot services have disabled start timeout by default */
-                if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined)
-                        s->timeout_start_usec = 0;
-
-                service_fix_output(s);
-
-                r = unit_patch_contexts(u);
-                if (r < 0)
-                        return r;
-
-                r = unit_add_exec_dependencies(u, &s->exec_context);
+                /* This is a new unit? Then let's add in some
+                 * extras */
+                r = service_add_extras(s);
                 if (r < 0)
                         return r;
-
-                r = unit_add_default_slice(u, &s->cgroup_context);
-                if (r < 0)
-                        return r;
-
-                if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
-                        s->notify_access = NOTIFY_MAIN;
-
-                if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
-                        s->notify_access = NOTIFY_MAIN;
-
-                if (s->bus_name) {
-                        r = unit_watch_bus_name(u, s->bus_name);
-                        if (r < 0)
-                                return r;
-                }
-
-                if (u->default_dependencies) {
-                        r = service_add_default_dependencies(s);
-                        if (r < 0)
-
-                                return r;
-                }
         }
 
         return service_verify(s);
@@ -478,7 +618,7 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
         assert(s);
 
         prefix = strempty(prefix);
-        prefix2 = strappenda(prefix, "\t");
+        prefix2 = strjoina(prefix, "\t");
 
         fprintf(f,
                 "%sService State: %s\n"
@@ -544,16 +684,17 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
                 exec_command_dump_list(s->exec_command[c], f, prefix2);
         }
 
-#ifdef HAVE_SYSV_COMPAT
-        if (s->sysv_start_priority >= 0)
-                fprintf(f,
-                        "%sSysVStartPriority: %i\n",
-                        prefix, s->sysv_start_priority);
-#endif
-
         if (s->status_text)
                 fprintf(f, "%sStatus Text: %s\n",
                         prefix, s->status_text);
+
+        if (s->n_fd_store_max > 0) {
+                fprintf(f,
+                        "%sFile Descriptor Store Max: %u\n"
+                        "%sFile Descriptor Store Current: %u\n",
+                        prefix, s->n_fd_store_max,
+                        prefix, s->n_fd_store);
+        }
 }
 
 static int service_load_pid_file(Service *s, bool may_warn) {
@@ -569,20 +710,20 @@ static int service_load_pid_file(Service *s, bool may_warn) {
         r = read_one_line_file(s->pid_file, &k);
         if (r < 0) {
                 if (may_warn)
-                        log_info_unit(UNIT(s)->id, "PID file %s not readable (yet?) after %s.", s->pid_file, service_state_to_string(s->state));
+                        log_unit_info(UNIT(s)->id, "PID file %s not readable (yet?) after %s.", s->pid_file, service_state_to_string(s->state));
                 return r;
         }
 
         r = parse_pid(k, &pid);
         if (r < 0) {
                 if (may_warn)
-                        log_info_unit(UNIT(s)->id, "Failed to read PID from file %s: %s", s->pid_file, strerror(-r));
+                        log_unit_info_errno(UNIT(s)->id, r, "Failed to read PID from file %s: %m", s->pid_file);
                 return r;
         }
 
         if (!pid_is_alive(pid)) {
                 if (may_warn)
-                        log_info_unit(UNIT(s)->id, "PID "PID_FMT" read from file %s does not exist or is a zombie.", pid, s->pid_file);
+                        log_unit_info(UNIT(s)->id, "PID "PID_FMT" read from file %s does not exist or is a zombie.", pid, s->pid_file);
                 return -ESRCH;
         }
 
@@ -590,12 +731,12 @@ static int service_load_pid_file(Service *s, bool may_warn) {
                 if (pid == s->main_pid)
                         return 0;
 
-                log_debug_unit(UNIT(s)->id, "Main PID changing: "PID_FMT" -> "PID_FMT, s->main_pid, pid);
+                log_unit_debug(UNIT(s)->id, "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: "PID_FMT, pid);
+                log_unit_debug(UNIT(s)->id, "Main PID loaded: "PID_FMT, pid);
 
         r = service_set_main_pid(s, pid);
         if (r < 0)
@@ -604,7 +745,7 @@ static int service_load_pid_file(Service *s, bool may_warn) {
         r = unit_watch_pid(UNIT(s), pid);
         if (r < 0) {
                 /* FIXME: we need to do something here */
-                log_warning_unit(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
                 return r;
         }
 
@@ -631,7 +772,7 @@ static int service_search_main_pid(Service *s) {
         if (pid <= 0)
                 return -ENOENT;
 
-        log_debug_unit(UNIT(s)->id, "Main PID guessed: "PID_FMT, pid);
+        log_unit_debug(UNIT(s)->id, "Main PID guessed: "PID_FMT, pid);
         r = service_set_main_pid(s, pid);
         if (r < 0)
                 return r;
@@ -639,7 +780,7 @@ static int service_search_main_pid(Service *s) {
         r = unit_watch_pid(UNIT(s), pid);
         if (r < 0) {
                 /* FIXME: we need to do something here */
-                log_warning_unit(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "Failed to watch PID "PID_FMT" from service %s", pid, UNIT(s)->id);
                 return r;
         }
 
@@ -663,7 +804,7 @@ static void service_set_state(Service *s, ServiceState state) {
                     SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
                     SERVICE_RELOAD,
                     SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                    SERVICE_STOP_POST,
+                    SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                     SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL,
                     SERVICE_AUTO_RESTART))
                 s->timer_event_source = sd_event_source_unref(s->timer_event_source);
@@ -672,7 +813,7 @@ static void service_set_state(Service *s, ServiceState state) {
                     SERVICE_START, SERVICE_START_POST,
                     SERVICE_RUNNING, SERVICE_RELOAD,
                     SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                    SERVICE_STOP_POST,
+                    SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                     SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
                 service_unwatch_main_pid(s);
                 s->main_command = NULL;
@@ -682,7 +823,7 @@ static void service_set_state(Service *s, ServiceState state) {
                     SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
                     SERVICE_RELOAD,
                     SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                    SERVICE_STOP_POST,
+                    SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                     SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
                 service_unwatch_control_pid(s);
                 s->control_command = NULL;
@@ -696,7 +837,7 @@ static void service_set_state(Service *s, ServiceState state) {
                     SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
                     SERVICE_RUNNING, SERVICE_RELOAD,
                     SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST,
-                    SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) &&
+                    SERVICE_STOP_SIGABRT, SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) &&
             !(state == SERVICE_DEAD && UNIT(s)->job)) {
                 service_close_socket_fd(s);
                 service_connection_unref(s);
@@ -708,7 +849,7 @@ static void service_set_state(Service *s, ServiceState state) {
         /* For the inactive states unit_notify() will trim the cgroup,
          * but for exit we have to do that ourselves... */
         if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
-                unit_destroy_cgroup(UNIT(s));
+                unit_destroy_cgroup_if_empty(UNIT(s));
 
         /* For remain_after_exit services, let's see if we can "release" the
          * hold on the console, since unit_notify() only does that in case of
@@ -731,13 +872,13 @@ static void service_set_state(Service *s, ServiceState state) {
         }
 
         if (old_state != state)
-                log_debug_unit(UNIT(s)->id, "%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
+                log_unit_debug(UNIT(s)->id, "%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
 
         unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS);
         s->reload_result = SERVICE_SUCCESS;
 }
 
-static int service_coldplug(Unit *u) {
+static int service_coldplug(Unit *u, Hashmap *deferred_work) {
         Service *s = SERVICE(u);
         int r;
 
@@ -750,7 +891,7 @@ static int service_coldplug(Unit *u) {
                            SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
                            SERVICE_RELOAD,
                            SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                           SERVICE_STOP_POST,
+                           SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                            SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
 
                         usec_t k;
@@ -779,7 +920,7 @@ static int service_coldplug(Unit *u) {
                             SERVICE_START, SERVICE_START_POST,
                             SERVICE_RUNNING, SERVICE_RELOAD,
                             SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                            SERVICE_STOP_POST,
+                            SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                             SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL))) {
                         r = unit_watch_pid(UNIT(s), s->main_pid);
                         if (r < 0)
@@ -791,7 +932,7 @@ static int service_coldplug(Unit *u) {
                            SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST,
                            SERVICE_RELOAD,
                            SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,
-                           SERVICE_STOP_POST,
+                           SERVICE_STOP_SIGABRT, SERVICE_STOP_POST,
                            SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) {
                         r = unit_watch_pid(UNIT(s), s->control_pid);
                         if (r < 0)
@@ -811,10 +952,10 @@ static int service_coldplug(Unit *u) {
 }
 
 static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
+        _cleanup_free_ int *rfds = NULL;
+        unsigned rn_fds = 0;
         Iterator i;
         int r;
-        int *rfds = NULL;
-        unsigned rn_fds = 0;
         Unit *u;
 
         assert(s);
@@ -836,10 +977,12 @@ static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
 
                 r = socket_collect_fds(sock, &cfds, &cn_fds);
                 if (r < 0)
-                        goto fail;
+                        return r;
 
-                if (!cfds)
+                if (cn_fds <= 0) {
+                        free(cfds);
                         continue;
+                }
 
                 if (!rfds) {
                         rfds = cfds;
@@ -847,32 +990,39 @@ static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
                 } else {
                         int *t;
 
-                        t = new(int, rn_fds+cn_fds);
+                        t = realloc(rfds, (rn_fds + cn_fds) * sizeof(int));
                         if (!t) {
                                 free(cfds);
-                                r = -ENOMEM;
-                                goto fail;
+                                return -ENOMEM;
                         }
 
-                        memcpy(t, rfds, rn_fds * sizeof(int));
-                        memcpy(t+rn_fds, cfds, cn_fds * sizeof(int));
-                        free(rfds);
+                        memcpy(t + rn_fds, cfds, cn_fds * sizeof(int));
+                        rfds = t;
+                        rn_fds += cn_fds;
+
                         free(cfds);
 
-                        rfds = t;
-                        rn_fds = rn_fds+cn_fds;
                 }
         }
 
+        if (s->n_fd_store > 0) {
+                ServiceFDStore *fs;
+                int *t;
+
+                t = realloc(rfds, (rn_fds + s->n_fd_store) * sizeof(int));
+                if (!t)
+                        return -ENOMEM;
+
+                rfds = t;
+                LIST_FOREACH(fd_store, fs, s->fd_store)
+                        rfds[rn_fds++] = fs->fd;
+        }
+
         *fds = rfds;
         *n_fds = rn_fds;
 
+        rfds = NULL;
         return 0;
-
-fail:
-        free(rfds);
-
-        return r;
 }
 
 static int service_spawn(
@@ -907,7 +1057,11 @@ static int service_spawn(
         assert(c);
         assert(_pid);
 
-        unit_realize_cgroup(UNIT(s));
+        (void) unit_realize_cgroup(UNIT(s));
+        if (s->reset_cpu_usage) {
+                (void) unit_reset_cpu_usage(UNIT(s));
+                s->reset_cpu_usage = false;
+        }
 
         r = unit_setup_exec_runtime(UNIT(s));
         if (r < 0)
@@ -941,7 +1095,7 @@ static int service_spawn(
         if (r < 0)
                 goto fail;
 
-        our_env = new0(char*, 4);
+        our_env = new0(char*, 6);
         if (!our_env) {
                 r = -ENOMEM;
                 goto fail;
@@ -965,6 +1119,46 @@ static int service_spawn(
                         goto fail;
                 }
 
+        if (UNIT_DEREF(s->accept_socket)) {
+                union sockaddr_union sa;
+                socklen_t salen = sizeof(sa);
+
+                r = getpeername(s->socket_fd, &sa.sa, &salen);
+                if (r < 0) {
+                        r = -errno;
+                        goto fail;
+                }
+
+                if (IN_SET(sa.sa.sa_family, AF_INET, AF_INET6)) {
+                        _cleanup_free_ char *addr = NULL;
+                        char *t;
+                        int port;
+
+                        r = sockaddr_pretty(&sa.sa, salen, true, false, &addr);
+                        if (r < 0)
+                                goto fail;
+
+                        t = strappend("REMOTE_ADDR=", addr);
+                        if (!t) {
+                                r = -ENOMEM;
+                                goto fail;
+                        }
+                        our_env[n_env++] = t;
+
+                        port = sockaddr_port(&sa.sa);
+                        if (port < 0) {
+                                r = port;
+                                goto fail;
+                        }
+
+                        if (asprintf(&t, "REMOTE_PORT=%u", port) < 0) {
+                                r = -ENOMEM;
+                                goto fail;
+                        }
+                        our_env[n_env++] = t;
+                }
+        }
+
         final_env = strv_env_merge(2, UNIT(s)->manager->environment, our_env, NULL);
         if (!final_env) {
                 r = -ENOMEM;
@@ -972,7 +1166,7 @@ static int service_spawn(
         }
 
         if (is_control && UNIT(s)->cgroup_path) {
-                path = strappenda(UNIT(s)->cgroup_path, "/control");
+                path = strjoina(UNIT(s)->cgroup_path, "/control");
                 cg_create(SYSTEMD_CGROUP_CONTROLLER, path);
         } else
                 path = UNIT(s)->cgroup_path;
@@ -998,6 +1192,7 @@ static int service_spawn(
         exec_params.confirm_spawn = UNIT(s)->manager->confirm_spawn;
         exec_params.cgroup_supported = UNIT(s)->manager->cgroup_supported;
         exec_params.cgroup_path = path;
+        exec_params.cgroup_delegate = s->cgroup_context.delegate;
         exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager);
         exec_params.unit_id = UNIT(s)->id;
         exec_params.watchdog_usec = s->watchdog_usec;
@@ -1085,7 +1280,7 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
         service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
 
         if (s->result != SERVICE_SUCCESS) {
-                log_warning_unit(UNIT(s)->id, "%s failed.", UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "%s failed.", UNIT(s)->id);
                 failure_action(UNIT(s)->manager, s->failure_action, s->reboot_arg);
         }
 
@@ -1127,7 +1322,7 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run install restart timer: %m", UNIT(s)->id);
         service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
 }
 
@@ -1164,7 +1359,7 @@ static void service_enter_stop_post(Service *s, ServiceResult f) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'stop-post' task: %m", UNIT(s)->id);
         service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
 }
 
@@ -1181,7 +1376,8 @@ static void service_enter_signal(Service *s, ServiceState state, ServiceResult f
         r = unit_kill_context(
                         UNIT(s),
                         &s->kill_context,
-                        state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM,
+                        (state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM && state != SERVICE_STOP_SIGABRT) ?
+                        KILL_KILL : (state == SERVICE_STOP_SIGABRT ? KILL_ABORT : KILL_TERMINATE),
                         s->main_pid,
                         s->control_pid,
                         s->main_pid_alien);
@@ -1197,7 +1393,7 @@ static void service_enter_signal(Service *s, ServiceState state, ServiceResult f
                 }
 
                 service_set_state(s, state);
-        } else if (state == SERVICE_STOP_SIGTERM)
+        } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGABRT)
                 service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_SUCCESS);
         else if (state == SERVICE_STOP_SIGKILL)
                 service_enter_stop_post(s, SERVICE_SUCCESS);
@@ -1209,9 +1405,10 @@ static void service_enter_signal(Service *s, ServiceState state, ServiceResult f
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to kill processes: %m", UNIT(s)->id);
 
-        if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
+        if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL ||
+            state == SERVICE_STOP_SIGABRT)
                 service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
         else
                 service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
@@ -1263,7 +1460,7 @@ static void service_enter_stop(Service *s, ServiceResult f) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'stop' task: %m", UNIT(s)->id);
         service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
 }
 
@@ -1325,7 +1522,7 @@ static void service_enter_start_post(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'start-post' task: %m", UNIT(s)->id);
         service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
 }
 
@@ -1335,7 +1532,7 @@ static void service_kill_control_processes(Service *s) {
         if (!UNIT(s)->cgroup_path)
                 return;
 
-        p = strappenda(UNIT(s)->cgroup_path, "/control");
+        p = strjoina(UNIT(s)->cgroup_path, "/control");
         cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, p, SIGKILL, true, true, true, NULL);
 }
 
@@ -1418,7 +1615,7 @@ static void service_enter_start(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'start' task: %m", UNIT(s)->id);
         service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
 }
 
@@ -1456,7 +1653,7 @@ static void service_enter_start_pre(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'start-pre' task: %m", UNIT(s)->id);
         service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
 }
 
@@ -1468,7 +1665,7 @@ static void service_enter_restart(Service *s) {
 
         if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) {
                 /* Don't restart things if we are going down anyway */
-                log_info_unit(UNIT(s)->id, "Stop job pending for unit, delaying automatic restart.");
+                log_unit_info(UNIT(s)->id, "Stop job pending for unit, delaying automatic restart.");
 
                 r = service_arm_timer(s, s->restart_usec);
                 if (r < 0)
@@ -1489,11 +1686,11 @@ static void service_enter_restart(Service *s) {
          * it will be canceled as part of the service_stop() call that
          * is executed as part of JOB_RESTART. */
 
-        log_debug_unit(UNIT(s)->id, "%s scheduled restart job.", UNIT(s)->id);
+        log_unit_debug(UNIT(s)->id, "%s scheduled restart job.", UNIT(s)->id);
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to schedule restart job: %s", UNIT(s)->id, bus_error_message(&error, -r));
+        log_unit_warning(UNIT(s)->id, "%s failed to schedule restart job: %s", UNIT(s)->id, bus_error_message(&error, -r));
         service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
 }
 
@@ -1536,7 +1733,7 @@ static void service_enter_reload(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run 'reload' task: %m", UNIT(s)->id);
         s->reload_result = SERVICE_FAILURE_RESOURCES;
         service_enter_running(s, SERVICE_SUCCESS);
 }
@@ -1569,7 +1766,7 @@ static void service_run_next_control(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run next control task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run next control task: %m", UNIT(s)->id);
 
         if (s->state == SERVICE_START_PRE)
                 service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
@@ -1613,7 +1810,7 @@ static void service_run_next_main(Service *s) {
         return;
 
 fail:
-        log_warning_unit(UNIT(s)->id, "%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
+        log_unit_warning_errno(UNIT(s)->id, r, "%s failed to run next main task: %m", UNIT(s)->id);
         service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
 }
 
@@ -1623,7 +1820,7 @@ static int service_start_limit_test(Service *s) {
         if (ratelimit_test(&s->start_limit))
                 return 0;
 
-        log_warning_unit(UNIT(s)->id, "start request repeated too quickly for %s", UNIT(s)->id);
+        log_unit_warning(UNIT(s)->id, "start request repeated too quickly for %s", UNIT(s)->id);
 
         return failure_action(UNIT(s)->manager, s->start_limit_action, s->reboot_arg);
 }
@@ -1637,6 +1834,7 @@ static int service_start(Unit *u) {
         /* We cannot fulfill this request right now, try again later
          * please! */
         if (s->state == SERVICE_STOP ||
+            s->state == SERVICE_STOP_SIGABRT ||
             s->state == SERVICE_STOP_SIGTERM ||
             s->state == SERVICE_STOP_SIGKILL ||
             s->state == SERVICE_STOP_POST ||
@@ -1674,6 +1872,7 @@ static int service_start(Unit *u) {
         s->main_pid_known = false;
         s->main_pid_alien = false;
         s->forbid_restart = false;
+        s->reset_cpu_usage = true;
 
         free(s->status_text);
         s->status_text = NULL;
@@ -1682,7 +1881,7 @@ static int service_start(Unit *u) {
         s->notify_state = NOTIFY_UNKNOWN;
 
         service_enter_start_pre(s);
-        return 0;
+        return 1;
 }
 
 static int service_stop(Unit *u) {
@@ -1695,6 +1894,7 @@ static int service_stop(Unit *u) {
 
         /* Already on it */
         if (s->state == SERVICE_STOP ||
+            s->state == SERVICE_STOP_SIGABRT ||
             s->state == SERVICE_STOP_SIGTERM ||
             s->state == SERVICE_STOP_SIGKILL ||
             s->state == SERVICE_STOP_POST ||
@@ -1722,7 +1922,7 @@ static int service_stop(Unit *u) {
                s->state == SERVICE_EXITED);
 
         service_enter_stop(s, SERVICE_SUCCESS);
-        return 0;
+        return 1;
 }
 
 static int service_reload(Unit *u) {
@@ -1746,6 +1946,7 @@ _pure_ static bool service_can_reload(Unit *u) {
 
 static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
         Service *s = SERVICE(u);
+        ServiceFDStore *fs;
 
         assert(u);
         assert(f);
@@ -1777,7 +1978,8 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
         if (s->socket_fd >= 0) {
                 int copy;
 
-                if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
+                copy = fdset_put_dup(fds, s->socket_fd);
+                if (copy < 0)
                         return copy;
 
                 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
@@ -1786,12 +1988,23 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
         if (s->bus_endpoint_fd >= 0) {
                 int copy;
 
-                if ((copy = fdset_put_dup(fds, s->bus_endpoint_fd)) < 0)
+                copy = fdset_put_dup(fds, s->bus_endpoint_fd);
+                if (copy < 0)
                         return copy;
 
                 unit_serialize_item_format(u, f, "endpoint-fd", "%i", copy);
         }
 
+        LIST_FOREACH(fd_store, fs, s->fd_store) {
+                int copy;
+
+                copy = fdset_put_dup(fds, fs->fd);
+                if (copy < 0)
+                        return copy;
+
+                unit_serialize_item_format(u, f, "fd-store-fd", "%i", copy);
+        }
+
         if (s->main_exec_status.pid > 0) {
                 unit_serialize_item_format(u, f, "main-exec-status-pid", PID_FMT,
                                            s->main_exec_status.pid);
@@ -1818,6 +2031,7 @@ 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);
@@ -1829,7 +2043,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 state = service_state_from_string(value);
                 if (state < 0)
-                        log_debug_unit(u->id, "Failed to parse state value %s", value);
+                        log_unit_debug(u->id, "Failed to parse state value %s", value);
                 else
                         s->deserialized_state = state;
         } else if (streq(key, "result")) {
@@ -1837,7 +2051,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 f = service_result_from_string(value);
                 if (f < 0)
-                        log_debug_unit(u->id, "Failed to parse result value %s", value);
+                        log_unit_debug(u->id, "Failed to parse result value %s", value);
                 else if (f != SERVICE_SUCCESS)
                         s->result = f;
 
@@ -1846,7 +2060,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 f = service_result_from_string(value);
                 if (f < 0)
-                        log_debug_unit(u->id, "Failed to parse reload result value %s", value);
+                        log_unit_debug(u->id, "Failed to parse reload result value %s", value);
                 else if (f != SERVICE_SUCCESS)
                         s->reload_result = f;
 
@@ -1854,14 +2068,14 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
                 pid_t pid;
 
                 if (parse_pid(value, &pid) < 0)
-                        log_debug_unit(u->id, "Failed to parse control-pid value %s", value);
+                        log_unit_debug(u->id, "Failed to parse control-pid value %s", value);
                 else
                         s->control_pid = pid;
         } else if (streq(key, "main-pid")) {
                 pid_t pid;
 
                 if (parse_pid(value, &pid) < 0)
-                        log_debug_unit(u->id, "Failed to parse main-pid value %s", value);
+                        log_unit_debug(u->id, "Failed to parse main-pid value %s", value);
                 else {
                         service_set_main_pid(s, pid);
                         unit_watch_pid(UNIT(s), pid);
@@ -1871,7 +2085,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 b = parse_boolean(value);
                 if (b < 0)
-                        log_debug_unit(u->id, "Failed to parse main-pid-known value %s", value);
+                        log_unit_debug(u->id, "Failed to parse main-pid-known value %s", value);
                 else
                         s->main_pid_known = b;
         } else if (streq(key, "status-text")) {
@@ -1890,7 +2104,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 id = service_exec_command_from_string(value);
                 if (id < 0)
-                        log_debug_unit(u->id, "Failed to parse exec-command value %s", value);
+                        log_unit_debug(u->id, "Failed to parse exec-command value %s", value);
                 else {
                         s->control_command_id = id;
                         s->control_command = s->exec_command[id];
@@ -1899,7 +2113,7 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
                 int fd;
 
                 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
-                        log_debug_unit(u->id, "Failed to parse socket-fd value %s", value);
+                        log_unit_debug(u->id, "Failed to parse socket-fd value %s", value);
                 else {
                         asynchronous_close(s->socket_fd);
                         s->socket_fd = fdset_remove(fds, fd);
@@ -1908,30 +2122,43 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
                 int fd;
 
                 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
-                        log_debug_unit(u->id, "Failed to parse endpoint-fd value %s", value);
+                        log_unit_debug(u->id, "Failed to parse endpoint-fd value %s", value);
                 else {
                         safe_close(s->bus_endpoint_fd);
                         s->bus_endpoint_fd = fdset_remove(fds, fd);
                 }
+        } else if (streq(key, "fd-store-fd")) {
+                int fd;
+
+                if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+                        log_unit_debug(u->id, "Failed to parse fd-store-fd value %s", value);
+                else {
+                        r = service_add_fd_store(s, fd);
+                        if (r < 0)
+                                log_unit_error_errno(u->id, r, "Failed to add fd to store: %m");
+                        else if (r > 0)
+                                fdset_remove(fds, fd);
+                }
+
         } else if (streq(key, "main-exec-status-pid")) {
                 pid_t pid;
 
                 if (parse_pid(value, &pid) < 0)
-                        log_debug_unit(u->id, "Failed to parse main-exec-status-pid value %s", value);
+                        log_unit_debug(u->id, "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 (safe_atoi(value, &i) < 0)
-                        log_debug_unit(u->id, "Failed to parse main-exec-status-code value %s", value);
+                        log_unit_debug(u->id, "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 (safe_atoi(value, &i) < 0)
-                        log_debug_unit(u->id, "Failed to parse main-exec-status-status value %s", value);
+                        log_unit_debug(u->id, "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"))
@@ -1945,11 +2172,11 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
 
                 b = parse_boolean(value);
                 if (b < 0)
-                        log_debug_unit(u->id, "Failed to parse forbid-restart value %s", value);
+                        log_unit_debug(u->id, "Failed to parse forbid-restart value %s", value);
                 else
                         s->forbid_restart = b;
         } else
-                log_debug_unit(u->id, "Unknown serialization key '%s'", key);
+                log_unit_debug(u->id, "Unknown serialization key '%s'", key);
 
         return 0;
 }
@@ -2012,19 +2239,19 @@ static int service_retry_pid_file(Service *s) {
 static int service_watch_pid_file(Service *s) {
         int r;
 
-        log_debug_unit(UNIT(s)->id, "Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
+        log_unit_debug(UNIT(s)->id, "Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
 
         r = path_spec_watch(s->pid_file_pathspec, service_dispatch_io);
         if (r < 0)
                 goto fail;
 
         /* the pidfile might have appeared just before we set the watch */
-        log_debug_unit(UNIT(s)->id, "Trying to read %s's PID file %s in case it changed", UNIT(s)->id, s->pid_file_pathspec->path);
+        log_unit_debug(UNIT(s)->id, "Trying to read %s's PID file %s in case it changed", UNIT(s)->id, s->pid_file_pathspec->path);
         service_retry_pid_file(s);
 
         return 0;
 fail:
-        log_error_unit(UNIT(s)->id, "Failed to set a watch for %s's PID file %s: %s", UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
+        log_unit_error_errno(UNIT(s)->id, r, "Failed to set a watch for %s's PID file %s: %m", UNIT(s)->id, s->pid_file_pathspec->path);
         service_unwatch_pid_file(s);
         return r;
 }
@@ -2072,7 +2299,7 @@ static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events,
         assert(s->pid_file_pathspec);
         assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
 
-        log_debug_unit(UNIT(s)->id, "inotify event for %s", UNIT(s)->id);
+        log_unit_debug(UNIT(s)->id, "inotify event for %s", UNIT(s)->id);
 
         if (path_spec_fd_event(p, events) < 0)
                 goto fail;
@@ -2096,7 +2323,7 @@ static void service_notify_cgroup_empty_event(Unit *u) {
 
         assert(u);
 
-        log_debug_unit(u->id, "%s: cgroup is empty", u->id);
+        log_unit_debug(u->id, "%s: cgroup is empty", u->id);
 
         switch (s->state) {
 
@@ -2111,7 +2338,7 @@ static void service_notify_cgroup_empty_event(Unit *u) {
                 /* If we were hoping for the daemon to write its PID file,
                  * we can give up now. */
                 if (s->pid_file_pathspec) {
-                        log_warning_unit(u->id, "%s never wrote its PID file. Failing.", UNIT(s)->id);
+                        log_unit_warning(u->id, "%s never wrote its PID file. Failing.", UNIT(s)->id);
 
                         service_unwatch_pid_file(s);
                         if (s->state == SERVICE_START)
@@ -2126,6 +2353,7 @@ static void service_notify_cgroup_empty_event(Unit *u) {
                 service_enter_running(s, SERVICE_SUCCESS);
                 break;
 
+        case SERVICE_STOP_SIGABRT:
         case SERVICE_STOP_SIGTERM:
         case SERVICE_STOP_SIGKILL:
 
@@ -2197,16 +2425,16 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                                 f = SERVICE_SUCCESS;
                 }
 
-                log_struct_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
-                           u->id,
-                           "MESSAGE=%s: main process exited, code=%s, status=%i/%s",
-                                  u->id, sigchld_code_to_string(code), status,
-                                  strna(code == CLD_EXITED
-                                        ? exit_status_to_string(status, EXIT_STATUS_FULL)
-                                        : signal_to_string(status)),
-                           "EXIT_CODE=%s", sigchld_code_to_string(code),
-                           "EXIT_STATUS=%i", status,
-                           NULL);
+                log_unit_struct(u->id,
+                                f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
+                                LOG_MESSAGE("%s: main process exited, code=%s, status=%i/%s",
+                                            u->id, sigchld_code_to_string(code), status,
+                                            strna(code == CLD_EXITED
+                                                  ? exit_status_to_string(status, EXIT_STATUS_FULL)
+                                                  : signal_to_string(status))),
+                                "EXIT_CODE=%s", sigchld_code_to_string(code),
+                                "EXIT_STATUS=%i", status,
+                                NULL);
 
                 if (f != SERVICE_SUCCESS)
                         s->result = f;
@@ -2218,7 +2446,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                         /* There is another command to *
                          * execute, so let's do that. */
 
-                        log_debug_unit(u->id, "%s running next main command for state %s", u->id, service_state_to_string(s->state));
+                        log_unit_debug(u->id, "%s running next main command for state %s", u->id, service_state_to_string(s->state));
                         service_run_next_main(s);
 
                 } else {
@@ -2252,6 +2480,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                                 service_enter_running(s, f);
                                 break;
 
+                        case SERVICE_STOP_SIGABRT:
                         case SERVICE_STOP_SIGTERM:
                         case SERVICE_STOP_SIGKILL:
 
@@ -2284,7 +2513,8 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                                 f = SERVICE_SUCCESS;
                 }
 
-                log_full_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, u->id,
+                log_unit_full(u->id,
+                              f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
                               "%s: control process exited, code=%s status=%i",
                               u->id, sigchld_code_to_string(code), status);
 
@@ -2303,7 +2533,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                         /* There is another command to *
                          * execute, so let's do that. */
 
-                        log_debug_unit(u->id, "%s running next control command for state %s", u->id, service_state_to_string(s->state));
+                        log_unit_debug(u->id, "%s running next control command for state %s", u->id, service_state_to_string(s->state));
                         service_run_next_control(s);
 
                 } else {
@@ -2313,7 +2543,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                         s->control_command = NULL;
                         s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
 
-                        log_debug_unit(u->id, "%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
+                        log_unit_debug(u->id, "%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
 
                         switch (s->state) {
 
@@ -2392,6 +2622,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
                                 service_enter_signal(s, SERVICE_STOP_SIGTERM, f);
                                 break;
 
+                        case SERVICE_STOP_SIGABRT:
                         case SERVICE_STOP_SIGTERM:
                         case SERVICE_STOP_SIGKILL:
                                 if (main_pid_good(s) <= 0)
@@ -2441,32 +2672,38 @@ 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 %s operation timed out. Terminating.", UNIT(s)->id, s->state == SERVICE_START ? "start" : "start-pre");
+                log_unit_warning(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 start-post operation timed out. Stopping.", UNIT(s)->id);
+                log_unit_warning(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 reload operation timed out. Stopping.", UNIT(s)->id);
+                log_unit_warning(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;
 
         case SERVICE_STOP:
-                log_warning_unit(UNIT(s)->id, "%s stopping timed out. Terminating.", UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "%s stopping timed out. Terminating.", UNIT(s)->id);
                 service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
                 break;
 
+        case SERVICE_STOP_SIGABRT:
+                log_unit_warning(UNIT(s)->id,
+                                 "%s stop-sigabrt timed out. Terminating.", UNIT(s)->id);
+                service_enter_signal(s, SERVICE_STOP_SIGTERM, s->result);
+                break;
+
         case SERVICE_STOP_SIGTERM:
                 if (s->kill_context.send_sigkill) {
-                        log_warning_unit(UNIT(s)->id, "%s stop-sigterm timed out. Killing.", UNIT(s)->id);
+                        log_unit_warning(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 stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id);
+                        log_unit_warning(UNIT(s)->id, "%s stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id);
                         service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
                 }
 
@@ -2477,33 +2714,33 @@ static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *us
                  * Must be something we cannot kill, so let's just be
                  * weirded out and continue */
 
-                log_warning_unit(UNIT(s)->id, "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "%s still around after SIGKILL. Ignoring.", UNIT(s)->id);
                 service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
                 break;
 
         case SERVICE_STOP_POST:
-                log_warning_unit(UNIT(s)->id, "%s stop-post timed out. Terminating.", UNIT(s)->id);
+                log_unit_warning(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 stop-final-sigterm timed out. Killing.", UNIT(s)->id);
+                        log_unit_warning(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 stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.", UNIT(s)->id);
+                        log_unit_warning(UNIT(s)->id, "%s stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.", UNIT(s)->id);
                         service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
                 }
 
                 break;
 
         case SERVICE_FINAL_SIGKILL:
-                log_warning_unit(UNIT(s)->id, "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id);
+                log_unit_warning(UNIT(s)->id, "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id);
                 service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
                 break;
 
         case SERVICE_AUTO_RESTART:
-                log_info_unit(UNIT(s)->id,
+                log_unit_info(UNIT(s)->id,
                               s->restart_usec > 0 ?
                               "%s holdoff time over, scheduling restart." :
                               "%s has no holdoff time, scheduling restart.",
@@ -2525,15 +2762,15 @@ static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void
         assert(s);
         assert(source == s->watchdog_event_source);
 
-        log_error_unit(UNIT(s)->id, "%s watchdog timeout (limit %s)!", UNIT(s)->id,
+        log_unit_error(UNIT(s)->id, "%s watchdog timeout (limit %s)!", UNIT(s)->id,
                        format_timespan(t, sizeof(t), s->watchdog_usec, 1));
 
-        service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG);
+        service_enter_signal(s, SERVICE_STOP_SIGABRT, SERVICE_FAILURE_WATCHDOG);
 
         return 0;
 }
 
-static void service_notify_message(Unit *u, pid_t pid, char **tags) {
+static void service_notify_message(Unit *u, pid_t pid, char **tags, FDSet *fds) {
         Service *s = SERVICE(u);
         _cleanup_free_ char *cc = NULL;
         bool notify_dbus = false;
@@ -2542,19 +2779,19 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         assert(u);
 
         cc = strv_join(tags, ", ");
-        log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT" (%s)",
+        log_unit_debug(u->id, "%s: Got notification message from PID "PID_FMT" (%s)",
                        u->id, pid, isempty(cc) ? "n/a" : cc);
 
         if (s->notify_access == NOTIFY_NONE) {
-                log_warning_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception is disabled.", u->id, pid);
+                log_unit_warning(u->id, "%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->main_pid != 0)
-                        log_warning_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID "PID_FMT, u->id, pid, s->main_pid);
+                        log_unit_warning(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID "PID_FMT, u->id, pid, s->main_pid);
                 else
-                        log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID which is currently not known", u->id, pid);
+                        log_unit_debug(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID which is currently not known", u->id, pid);
                 return;
         }
 
@@ -2562,9 +2799,9 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         e = strv_find_startswith(tags, "MAINPID=");
         if (e && IN_SET(s->state, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) {
                 if (parse_pid(e, &pid) < 0)
-                        log_warning_unit(u->id, "Failed to parse MAINPID= field in notification message: %s", e);
+                        log_unit_warning(u->id, "Failed to parse MAINPID= field in notification message: %s", e);
                 else {
-                        log_debug_unit(u->id, "%s: got MAINPID=%s", u->id, e);
+                        log_unit_debug(u->id, "%s: got MAINPID=%s", u->id, e);
 
                         service_set_main_pid(s, pid);
                         unit_watch_pid(UNIT(s), pid);
@@ -2575,7 +2812,7 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         /* Interpret RELOADING= */
         if (strv_find(tags, "RELOADING=1")) {
 
-                log_debug_unit(u->id, "%s: got RELOADING=1", u->id);
+                log_unit_debug(u->id, "%s: got RELOADING=1", u->id);
                 s->notify_state = NOTIFY_RELOADING;
 
                 if (s->state == SERVICE_RUNNING)
@@ -2587,7 +2824,7 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         /* Interpret READY= */
         if (strv_find(tags, "READY=1")) {
 
-                log_debug_unit(u->id, "%s: got READY=1", u->id);
+                log_unit_debug(u->id, "%s: got READY=1", u->id);
                 s->notify_state = NOTIFY_READY;
 
                 /* Type=notify services inform us about completed
@@ -2606,7 +2843,7 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
         /* Interpret STOPPING= */
         if (strv_find(tags, "STOPPING=1")) {
 
-                log_debug_unit(u->id, "%s: got STOPPING=1", u->id);
+                log_unit_debug(u->id, "%s: got STOPPING=1", u->id);
                 s->notify_state = NOTIFY_STOPPING;
 
                 if (s->state == SERVICE_RUNNING)
@@ -2622,9 +2859,9 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
 
                 if (!isempty(e)) {
                         if (!utf8_is_valid(e))
-                                log_warning_unit(u->id, "Status message in notification is not UTF-8 clean.");
+                                log_unit_warning(u->id, "Status message in notification is not UTF-8 clean.");
                         else {
-                                log_debug_unit(u->id, "%s: got STATUS=%s", u->id, e);
+                                log_unit_debug(u->id, "%s: got STATUS=%s", u->id, e);
 
                                 t = strdup(e);
                                 if (!t)
@@ -2648,9 +2885,9 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
                 int status_errno;
 
                 if (safe_atoi(e, &status_errno) < 0 || status_errno < 0)
-                        log_warning_unit(u->id, "Failed to parse ERRNO= field in notification message: %s", e);
+                        log_unit_warning(u->id, "Failed to parse ERRNO= field in notification message: %s", e);
                 else {
-                        log_debug_unit(u->id, "%s: got ERRNO=%s", u->id, e);
+                        log_unit_debug(u->id, "%s: got ERRNO=%s", u->id, e);
 
                         if (s->status_errno != status_errno) {
                                 s->status_errno = status_errno;
@@ -2661,10 +2898,16 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags) {
 
         /* Interpret WATCHDOG= */
         if (strv_find(tags, "WATCHDOG=1")) {
-                log_debug_unit(u->id, "%s: got WATCHDOG=1", u->id);
+                log_unit_debug(u->id, "%s: got WATCHDOG=1", u->id);
                 service_reset_watchdog(s);
         }
 
+        /* Add the passed fds to the fd store */
+        if (strv_find(tags, "FDSTORE=1")) {
+                log_unit_debug(u->id, "%s: got FDSTORE=1", u->id);
+                service_add_fd_store_set(s, fds);
+        }
+
         /* Notify clients about changed status or main pid */
         if (notify_dbus)
                 unit_add_to_dbus_queue(u);
@@ -2700,11 +2943,11 @@ static void service_bus_name_owner_change(
         assert(old_owner || new_owner);
 
         if (old_owner && new_owner)
-                log_debug_unit(u->id, "%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
+                log_unit_debug(u->id, "%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
         else if (old_owner)
-                log_debug_unit(u->id, "%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
+                log_unit_debug(u->id, "%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
         else
-                log_debug_unit(u->id, "%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
+                log_unit_debug(u->id, "%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
 
         s->bus_name_good = !!new_owner;
 
@@ -2733,7 +2976,7 @@ static void service_bus_name_owner_change(
                 if (r >= 0)
                         r = sd_bus_creds_get_pid(creds, &pid);
                 if (r >= 0) {
-                        log_debug_unit(u->id, "%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
+                        log_unit_debug(u->id, "%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
 
                         service_set_main_pid(s, pid);
                         unit_watch_pid(UNIT(s), pid);
@@ -2815,6 +3058,7 @@ static const char* const service_state_table[_SERVICE_STATE_MAX] = {
         [SERVICE_EXITED] = "exited",
         [SERVICE_RELOAD] = "reload",
         [SERVICE_STOP] = "stop",
+        [SERVICE_STOP_SIGABRT] = "stop-sigabrt",
         [SERVICE_STOP_SIGTERM] = "stop-sigterm",
         [SERVICE_STOP_SIGKILL] = "stop-sigkill",
         [SERVICE_STOP_POST] = "stop-post",
@@ -2906,6 +3150,7 @@ const UnitVTable service_vtable = {
         .init = service_init,
         .done = service_done,
         .load = service_load,
+        .release_resources = service_release_resources,
 
         .coldplug = service_coldplug,