build-sys: move source files to subdirectory

1 files changed, 2463 insertions, 0 deletions

diff --git a/src/service.c b/src/service.c
new file mode 100644
index 0000000000..bf91561901
--- /dev/null
+++ b/src/service.c
@@ -0,0 +1,2463 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <signal.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include "unit.h"
+#include "service.h"
+#include "load-fragment.h"
+#include "load-dropin.h"
+#include "log.h"
+#include "strv.h"
+#include "unit-name.h"
+#include "dbus-service.h"
+
+#define COMMENTS "#;\n"
+#define NEWLINES "\n\r"
+#define LINE_MAX 4096
+
+typedef enum RunlevelType {
+        RUNLEVEL_UP,
+        RUNLEVEL_DOWN,
+        RUNLEVEL_BASIC
+} RunlevelType;
+
+static const struct {
+        const char *path;
+        const char *target;
+        const RunlevelType type;
+} rcnd_table[] = {
+        /* Standard SysV runlevels */
+        { "rc0.d",  SPECIAL_RUNLEVEL0_TARGET, RUNLEVEL_DOWN },
+        { "rc1.d",  SPECIAL_RUNLEVEL1_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_RUNLEVEL6_TARGET, RUNLEVEL_DOWN },
+
+        /* SuSE style boot.d */
+        { "boot.d", SPECIAL_BASIC_TARGET,     RUNLEVEL_BASIC },
+
+        /* Debian style rcS.d */
+        { "rcS.d",  SPECIAL_BASIC_TARGET,     RUNLEVEL_BASIC },
+};
+
+#define RUNLEVELS_UP "12345"
+/* #define RUNLEVELS_DOWN "06" */
+/* #define RUNLEVELS_BOOT "bBsS" */
+
+static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
+        [SERVICE_DEAD] = UNIT_INACTIVE,
+        [SERVICE_START_PRE] = UNIT_ACTIVATING,
+        [SERVICE_START] = UNIT_ACTIVATING,
+        [SERVICE_START_POST] = UNIT_ACTIVATING,
+        [SERVICE_RUNNING] = UNIT_ACTIVE,
+        [SERVICE_EXITED] = UNIT_ACTIVE,
+        [SERVICE_RELOAD] = UNIT_ACTIVE_RELOADING,
+        [SERVICE_STOP] = UNIT_DEACTIVATING,
+        [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
+        [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
+        [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
+        [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
+        [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
+        [SERVICE_MAINTAINANCE] = UNIT_INACTIVE,
+        [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING,
+};
+
+static void service_init(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(u);
+        assert(u->meta.load_state == UNIT_STUB);
+
+        s->timeout_usec = DEFAULT_TIMEOUT_USEC;
+        s->restart_usec = DEFAULT_RESTART_USEC;
+        s->timer_watch.type = WATCH_INVALID;
+        s->sysv_start_priority = -1;
+        s->socket_fd = -1;
+
+        exec_context_init(&s->exec_context);
+
+        RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
+
+        s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+}
+
+static void service_unwatch_control_pid(Service *s) {
+        assert(s);
+
+        if (s->control_pid <= 0)
+                return;
+
+        unit_unwatch_pid(UNIT(s), s->control_pid);
+        s->control_pid = 0;
+}
+
+static void service_unwatch_main_pid(Service *s) {
+        assert(s);
+
+        if (s->main_pid <= 0)
+                return;
+
+        unit_unwatch_pid(UNIT(s), s->main_pid);
+        s->main_pid = 0;
+}
+
+static void service_close_socket_fd(Service *s) {
+        assert(s);
+
+        if (s->socket_fd < 0)
+                return;
+
+        close_nointr_nofail(s->socket_fd);
+        s->socket_fd = -1;
+}
+
+static void service_done(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        free(s->pid_file);
+        s->pid_file = NULL;
+
+        free(s->sysv_path);
+        s->sysv_path = NULL;
+
+        free(s->sysv_runlevels);
+        s->sysv_runlevels = NULL;
+
+        exec_context_done(&s->exec_context);
+        exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
+        s->control_command = NULL;
+
+        /* This will leak a process, but at least no memory or any of
+         * our resources */
+        service_unwatch_main_pid(s);
+        service_unwatch_control_pid(s);
+
+        if (s->bus_name)  {
+                unit_unwatch_bus_name(UNIT(u), s->bus_name);
+                free(s->bus_name);
+                s->bus_name = NULL;
+        }
+
+        service_close_socket_fd(s);
+
+        unit_unwatch_timer(u, &s->timer_watch);
+}
+
+static int sysv_translate_name(const char *name, char **_r) {
+
+        static const char * const table[] = {
+                "$local_fs",  SPECIAL_LOCAL_FS_TARGET,
+                "$network",   SPECIAL_NETWORK_TARGET,
+                "$named",     SPECIAL_NSS_LOOKUP_TARGET,
+                "$portmap",   SPECIAL_RPCBIND_TARGET,
+                "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
+                "$syslog",    SPECIAL_SYSLOG_TARGET,
+                "$time",      SPECIAL_RTC_SET_TARGET
+        };
+
+        unsigned i;
+        char *r;
+
+        for (i = 0; i < ELEMENTSOF(table); i += 2)
+                if (streq(table[i], name)) {
+                        if (!(r = strdup(table[i+1])))
+                                return -ENOMEM;
+
+                        goto finish;
+                }
+
+        if (*name == '$')
+                return 0;
+
+        if (asprintf(&r, "%s.service", name) < 0)
+                return -ENOMEM;
+
+finish:
+
+        if (_r)
+                *_r = r;
+
+        return 1;
+}
+
+static int sysv_chkconfig_order(Service *s) {
+        Meta *other;
+        int r;
+
+        assert(s);
+
+        if (s->sysv_start_priority < 0)
+                return 0;
+
+        /* For each pair of services where at least one lacks a LSB
+         * header, we use the start priority value to order things. */
+
+        LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) {
+                Service *t;
+                UnitDependency d;
+
+                t = (Service*) other;
+
+                if (s == t)
+                        continue;
+
+                if (t->sysv_start_priority < 0)
+                        continue;
+
+                /* If both units have modern headers we don't care
+                 * about the priorities */
+                if ((!s->sysv_path || s->sysv_has_lsb) &&
+                    (!t->sysv_path || t->sysv_has_lsb))
+                        continue;
+
+                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;
+                else
+                        continue;
+
+                /* FIXME: Maybe we should compare the name here lexicographically? */
+
+                if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
+                        return r;
+        }
+
+        return 0;
+}
+
+static ExecCommand *exec_command_new(const char *path, const char *arg1) {
+        ExecCommand *c;
+
+        if (!(c = new0(ExecCommand, 1)))
+                return NULL;
+
+        if (!(c->path = strdup(path))) {
+                free(c);
+                return NULL;
+        }
+
+        if (!(c->argv = strv_new(path, arg1, NULL))) {
+                free(c->path);
+                free(c);
+                return NULL;
+        }
+
+        return c;
+}
+
+static int sysv_exec_commands(Service *s) {
+        ExecCommand *c;
+
+        assert(s);
+        assert(s->sysv_path);
+
+        if (!(c = exec_command_new(s->sysv_path, "start")))
+                return -ENOMEM;
+        exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
+
+        if (!(c = exec_command_new(s->sysv_path, "stop")))
+                return -ENOMEM;
+        exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
+
+        if (!(c = exec_command_new(s->sysv_path, "reload")))
+                return -ENOMEM;
+        exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
+
+        return 0;
+}
+
+static int service_load_sysv_path(Service *s, const char *path) {
+        FILE *f;
+        Unit *u;
+        unsigned line = 0;
+        int r;
+        enum {
+                NORMAL,
+                DESCRIPTION,
+                LSB,
+                LSB_DESCRIPTION
+        } state = NORMAL;
+
+        assert(s);
+        assert(path);
+
+        u = UNIT(s);
+
+        if (!(f = fopen(path, "re"))) {
+                r = errno == ENOENT ? 0 : -errno;
+                goto finish;
+        }
+
+        s->type = SERVICE_FORKING;
+        s->restart = SERVICE_ONCE;
+
+        free(s->sysv_path);
+        if (!(s->sysv_path = strdup(path))) {
+                r = -ENOMEM;
+                goto finish;
+        }
+
+        while (!feof(f)) {
+                char l[LINE_MAX], *t;
+
+                if (!fgets(l, sizeof(l), f)) {
+                        if (feof(f))
+                                break;
+
+                        r = -errno;
+                        log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
+                        goto finish;
+                }
+
+                line++;
+
+                t = strstrip(l);
+                if (*t != '#')
+                        continue;
+
+                if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
+                        state = LSB;
+                        s->sysv_has_lsb = true;
+                        continue;
+                }
+
+                if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
+                        state = NORMAL;
+                        continue;
+                }
+
+                t++;
+                t += strspn(t, WHITESPACE);
+
+                if (state == NORMAL) {
+
+                        /* Try to parse Red Hat style chkconfig headers */
+
+                        if (startswith(t, "chkconfig:")) {
+                                int start_priority;
+                                char runlevels[16], *k;
+
+                                state = NORMAL;
+
+                                if (sscanf(t+10, "%15s %i %*i",
+                                           runlevels,
+                                           &start_priority) != 2) {
+
+                                        log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
+                                        continue;
+                                }
+
+                                /* A start priority gathered from the
+                                 * symlink farms is preferred over the
+                                 * data from the LSB header. */
+                                if (start_priority < 0 || start_priority > 99)
+                                        log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
+                                else if (s->sysv_start_priority < 0)
+                                        s->sysv_start_priority = start_priority;
+
+                                char_array_0(runlevels);
+                                k = delete_chars(runlevels, WHITESPACE "-");
+
+                                if (k[0]) {
+                                        char *d;
+
+                                        if (!(d = strdup(k))) {
+                                                r = -ENOMEM;
+                                                goto finish;
+                                        }
+
+                                        free(s->sysv_runlevels);
+                                        s->sysv_runlevels = d;
+                                }
+
+                        } else if (startswith(t, "description:")) {
+
+                                size_t k = strlen(t);
+                                char *d;
+
+                                if (t[k-1] == '\\') {
+                                        state = DESCRIPTION;
+                                        t[k-1] = 0;
+                                }
+
+                                if (!(d = strdup(strstrip(t+12)))) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                free(u->meta.description);
+                                u->meta.description = d;
+
+                        } else if (startswith(t, "pidfile:")) {
+
+                                char *fn;
+
+                                state = NORMAL;
+
+                                fn = strstrip(t+8);
+                                if (!path_is_absolute(fn)) {
+                                        log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
+                                        continue;
+                                }
+
+                                if (!(fn = strdup(fn))) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                free(s->pid_file);
+                                s->pid_file = fn;
+                        }
+
+                } else if (state == DESCRIPTION) {
+
+                        /* Try to parse Red Hat style description
+                         * continuation */
+
+                        size_t k = strlen(t);
+                        char *d;
+
+                        if (t[k-1] == '\\')
+                                t[k-1] = 0;
+                        else
+                                state = NORMAL;
+
+                        assert(u->meta.description);
+                        if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        free(u->meta.description);
+                        u->meta.description = d;
+
+                } else if (state == LSB || state == LSB_DESCRIPTION) {
+
+                        if (startswith(t, "Provides:")) {
+                                char *i, *w;
+                                size_t z;
+
+                                state = LSB;
+
+                                FOREACH_WORD(w, z, t+9, i) {
+                                        char *n, *m;
+
+                                        if (!(n = strndup(w, z))) {
+                                                r = -ENOMEM;
+                                                goto finish;
+                                        }
+
+                                        r = sysv_translate_name(n, &m);
+                                        free(n);
+
+                                        if (r < 0)
+                                                goto finish;
+
+                                        if (r == 0)
+                                                continue;
+
+                                        if (unit_name_to_type(m) == UNIT_SERVICE)
+                                                r = unit_add_name(u, m);
+                                        else {
+                                                if ((r = unit_add_dependency_by_name_inverse(u, UNIT_REQUIRES, m, NULL, true)) >= 0)
+                                                        r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true);
+                                        }
+
+                                        free(m);
+
+                                        if (r < 0)
+                                                goto finish;
+                                }
+
+                        } else if (startswith(t, "Required-Start:") ||
+                                   startswith(t, "Should-Start:")) {
+                                char *i, *w;
+                                size_t z;
+
+                                state = LSB;
+
+                                FOREACH_WORD(w, z, strchr(t, ':')+1, i) {
+                                        char *n, *m;
+
+                                        if (!(n = strndup(w, z))) {
+                                                r = -ENOMEM;
+                                                goto finish;
+                                        }
+
+                                        r = sysv_translate_name(n, &m);
+                                        free(n);
+
+                                        if (r < 0)
+                                                goto finish;
+
+                                        if (r == 0)
+                                                continue;
+
+                                        r = unit_add_dependency_by_name(u, UNIT_AFTER, m, NULL, true);
+                                        free(m);
+
+                                        if (r < 0)
+                                                goto finish;
+                                }
+                        } else if (startswith(t, "Default-Start:")) {
+                                char *k, *d;
+
+                                state = LSB;
+
+                                k = delete_chars(t+14, WHITESPACE "-");
+
+                                if (k[0] != 0) {
+                                        if (!(d = strdup(k))) {
+                                                r = -ENOMEM;
+                                                goto finish;
+                                        }
+
+                                        free(s->sysv_runlevels);
+                                        s->sysv_runlevels = d;
+                                }
+
+                        } else if (startswith(t, "Description:")) {
+                                char *d;
+
+                                state = LSB_DESCRIPTION;
+
+                                if (!(d = strdup(strstrip(t+12)))) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                free(u->meta.description);
+                                u->meta.description = d;
+
+                        } else if (startswith(t, "Short-Description:") &&
+                                   !u->meta.description) {
+                                char *d;
+
+                                /* We use the short description only
+                                 * if no long description is set. */
+
+                                state = LSB;
+
+                                if (!(d = strdup(strstrip(t+18)))) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                u->meta.description = d;
+
+                        } else if (state == LSB_DESCRIPTION) {
+
+                                if (startswith(l, "#\t") || startswith(l, "#  ")) {
+                                        char *d;
+
+                                        assert(u->meta.description);
+                                        if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
+                                                r = -ENOMEM;
+                                                goto finish;
+                                        }
+
+                                        free(u->meta.description);
+                                        u->meta.description = d;
+                                } else
+                                        state = LSB;
+                        }
+                }
+        }
+
+        if ((r = sysv_exec_commands(s)) < 0)
+                goto finish;
+
+        if (!s->sysv_runlevels || chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
+                /* If there a runlevels configured for this service
+                 * but none of the standard ones, then we assume this
+                 * is some special kind of service (which might be
+                 * needed for early boot) and don't create any links
+                 * to it. */
+
+                if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0 ||
+                    (r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
+                        goto finish;
+
+        } else
+                /* Don't timeout special services during boot (like fsck) */
+                s->timeout_usec = 0;
+
+        /* Special setting for all SysV services */
+        s->valid_no_process = true;
+        s->kill_mode = KILL_PROCESS_GROUP;
+
+        u->meta.load_state = UNIT_LOADED;
+        r = 0;
+
+finish:
+
+        if (f)
+                fclose(f);
+
+        return r;
+}
+
+static int service_load_sysv_name(Service *s, const char *name) {
+        char **p;
+
+        assert(s);
+        assert(name);
+
+        STRV_FOREACH(p, UNIT(s)->meta.manager->sysvinit_path) {
+                char *path;
+                int r;
+
+                if (asprintf(&path, "%s/%s", *p, name) < 0)
+                        return -ENOMEM;
+
+                assert(endswith(path, ".service"));
+                path[strlen(path)-8] = 0;
+
+                r = service_load_sysv_path(s, path);
+
+                if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) {
+                        /* Try Debian style .sh source'able init scripts */
+                        strcat(path, ".sh");
+                        r = service_load_sysv_path(s, path);
+                }
+
+                free(path);
+
+                if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) {
+                        /* Try Suse style boot.xxxx init scripts */
+
+                        if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
+                                return -ENOMEM;
+
+                        path[strlen(path)-8] = 0;
+                        r = service_load_sysv_path(s, path);
+                        free(path);
+                }
+
+                if (r < 0)
+                        return r;
+
+                if ((UNIT(s)->meta.load_state != UNIT_STUB))
+                        break;
+        }
+
+        return 0;
+}
+
+static int service_load_sysv(Service *s) {
+        const char *t;
+        Iterator i;
+        int r;
+
+        assert(s);
+
+        /* Load service data from SysV init scripts, preferably with
+         * LSB headers ... */
+
+        if (strv_isempty(UNIT(s)->meta.manager->sysvinit_path))
+                return 0;
+
+        if ((t = UNIT(s)->meta.id))
+                if ((r = service_load_sysv_name(s, t)) < 0)
+                        return r;
+
+        if (UNIT(s)->meta.load_state == UNIT_STUB)
+                SET_FOREACH(t, UNIT(s)->meta.names, i) {
+                        if (t == UNIT(s)->meta.id)
+                                continue;
+
+                        if ((r == service_load_sysv_name(s, t)) < 0)
+                                return r;
+
+                        if (UNIT(s)->meta.load_state != UNIT_STUB)
+                                break;
+                }
+
+        return 0;
+}
+
+static int service_add_bus_name(Service *s) {
+        char *n;
+        int r;
+
+        assert(s);
+        assert(s->bus_name);
+
+        if (asprintf(&n, "dbus-%s.service", s->bus_name) < 0)
+                return 0;
+
+        r = unit_merge_by_name(UNIT(s), n);
+        free(n);
+
+        return r;
+}
+
+static int service_verify(Service *s) {
+        assert(s);
+
+        if (UNIT(s)->meta.load_state != UNIT_LOADED)
+                return 0;
+
+        if (!s->exec_command[SERVICE_EXEC_START]) {
+                log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->meta.id);
+                return -EINVAL;
+        }
+
+        if (s->type == SERVICE_DBUS && !s->bus_name) {
+                log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->meta.id);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static int service_load(Unit *u) {
+        int r;
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        /* Load a .service file */
+        if ((r = unit_load_fragment(u)) < 0)
+                return r;
+
+        /* Load a classic init script as a fallback, if we couldn't find anything */
+        if (u->meta.load_state == UNIT_STUB)
+                if ((r = service_load_sysv(s)) < 0)
+                        return r;
+
+        /* Still nothing found? Then let's give up */
+        if (u->meta.load_state == UNIT_STUB)
+                return -ENOENT;
+
+        /* We were able to load something, then let's add in the
+         * dropin directories. */
+        if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
+                return r;
+
+        /* This is a new unit? Then let's add in some extras */
+        if (u->meta.load_state == UNIT_LOADED) {
+                if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
+                        return r;
+
+                if ((r = unit_add_default_cgroup(u)) < 0)
+                        return r;
+
+                if ((r = sysv_chkconfig_order(s)) < 0)
+                        return r;
+
+                if (s->bus_name) {
+                        if ((r = service_add_bus_name(s)) < 0)
+                                return r;
+
+                        if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
+                            return r;
+                }
+        }
+
+        return service_verify(s);
+}
+
+static void service_dump(Unit *u, FILE *f, const char *prefix) {
+
+        ServiceExecCommand c;
+        Service *s = SERVICE(u);
+        const char *prefix2;
+        char *p2;
+
+        assert(s);
+
+        p2 = strappend(prefix, "\t");
+        prefix2 = p2 ? p2 : prefix;
+
+        fprintf(f,
+                "%sService State: %s\n"
+                "%sPermissionsStartOnly: %s\n"
+                "%sRootDirectoryStartOnly: %s\n"
+                "%sValidNoProcess: %s\n"
+                "%sKillMode: %s\n"
+                "%sType: %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, kill_mode_to_string(s->kill_mode),
+                prefix, service_type_to_string(s->type));
+
+        if (s->control_pid > 0)
+                fprintf(f,
+                        "%sControl PID: %llu\n",
+                        prefix, (unsigned long long) s->control_pid);
+
+        if (s->main_pid > 0)
+                fprintf(f,
+                        "%sMain PID: %llu\n",
+                        prefix, (unsigned long long) s->main_pid);
+
+        if (s->pid_file)
+                fprintf(f,
+                        "%sPIDFile: %s\n",
+                        prefix, s->pid_file);
+
+        if (s->bus_name)
+                fprintf(f,
+                        "%sBusName: %s\n"
+                        "%sBus Name Good: %s\n",
+                        prefix, s->bus_name,
+                        prefix, yes_no(s->bus_name_good));
+
+        exec_context_dump(&s->exec_context, f, prefix);
+
+        for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
+
+                if (!s->exec_command[c])
+                        continue;
+
+                fprintf(f, "%s-> %s:\n",
+                        prefix, service_exec_command_to_string(c));
+
+                exec_command_dump_list(s->exec_command[c], f, prefix2);
+        }
+
+        if (s->sysv_path)
+                fprintf(f,
+                        "%sSysV Init Script Path: %s\n"
+                        "%sSysV Init Script has LSB Header: %s\n",
+                        prefix, s->sysv_path,
+                        prefix, yes_no(s->sysv_has_lsb));
+
+        if (s->sysv_start_priority >= 0)
+                fprintf(f,
+                        "%sSysVStartPriority: %i\n",
+                        prefix, s->sysv_start_priority);
+
+        if (s->sysv_runlevels)
+                fprintf(f, "%sSysVRunLevels: %s\n",
+                        prefix, s->sysv_runlevels);
+
+        free(p2);
+}
+
+static int service_load_pid_file(Service *s) {
+        char *k;
+        unsigned long p;
+        int r;
+
+        assert(s);
+
+        if (s->main_pid_known)
+                return 0;
+
+        assert(s->main_pid <= 0);
+
+        if (!s->pid_file)
+                return -ENOENT;
+
+        if ((r = read_one_line_file(s->pid_file, &k)) < 0)
+                return r;
+
+        if ((r = safe_atolu(k, &p)) < 0) {
+                free(k);
+                return r;
+        }
+
+        if ((unsigned long) (pid_t) p != p)
+                return -ERANGE;
+
+        if (kill((pid_t) p, 0) < 0 && errno != EPERM) {
+                log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.",
+                            (unsigned long long) p, s->pid_file);
+                return -ESRCH;
+        }
+
+        if ((r = unit_watch_pid(UNIT(s), (pid_t) p)) < 0)
+                /* FIXME: we need to do something here */
+                return r;
+
+        s->main_pid = (pid_t) p;
+        s->main_pid_known = true;
+
+        return 0;
+}
+
+static int service_get_sockets(Service *s, Set **_set) {
+        Set *set;
+        Iterator i;
+        char *t;
+        int r;
+
+        assert(s);
+        assert(_set);
+
+        /* Collects all Socket objects that belong to this
+         * service. Note that a service might have multiple sockets
+         * via multiple names. */
+
+        if (!(set = set_new(NULL, NULL)))
+                return -ENOMEM;
+
+        SET_FOREACH(t, UNIT(s)->meta.names, i) {
+                char *k;
+                Unit *p;
+
+                /* Look for all socket objects that go by any of our
+                 * units and collect their fds */
+
+                if (!(k = unit_name_change_suffix(t, ".socket"))) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+
+                p = manager_get_unit(UNIT(s)->meta.manager, k);
+                free(k);
+
+                if (!p)
+                        continue;
+
+                if ((r = set_put(set, p)) < 0)
+                        goto fail;
+        }
+
+        *_set = set;
+        return 0;
+
+fail:
+        set_free(set);
+        return r;
+}
+
+static int service_notify_sockets_dead(Service *s) {
+        Iterator i;
+        Set *set;
+        Socket *sock;
+        int r;
+
+        assert(s);
+
+        /* Notifies all our sockets when we die */
+        if ((r = service_get_sockets(s, &set)) < 0)
+                return r;
+
+        SET_FOREACH(sock, set, i)
+                socket_notify_service_dead(sock);
+
+        set_free(set);
+
+        return 0;
+}
+
+static void service_set_state(Service *s, ServiceState state) {
+        ServiceState old_state;
+        assert(s);
+
+        old_state = s->state;
+        s->state = state;
+
+        if (state != SERVICE_START_PRE &&
+            state != SERVICE_START &&
+            state != SERVICE_START_POST &&
+            state != SERVICE_RELOAD &&
+            state != SERVICE_STOP &&
+            state != SERVICE_STOP_SIGTERM &&
+            state != SERVICE_STOP_SIGKILL &&
+            state != SERVICE_STOP_POST &&
+            state != SERVICE_FINAL_SIGTERM &&
+            state != SERVICE_FINAL_SIGKILL &&
+            state != SERVICE_AUTO_RESTART)
+                unit_unwatch_timer(UNIT(s), &s->timer_watch);
+
+        if (state != SERVICE_START &&
+            state != SERVICE_START_POST &&
+            state != SERVICE_RUNNING &&
+            state != SERVICE_RELOAD &&
+            state != SERVICE_STOP &&
+            state != SERVICE_STOP_SIGTERM &&
+            state != SERVICE_STOP_SIGKILL)
+                service_unwatch_main_pid(s);
+
+        if (state != SERVICE_START_PRE &&
+            state != SERVICE_START &&
+            state != SERVICE_START_POST &&
+            state != SERVICE_RELOAD &&
+            state != SERVICE_STOP &&
+            state != SERVICE_STOP_SIGTERM &&
+            state != SERVICE_STOP_SIGKILL &&
+            state != SERVICE_STOP_POST &&
+            state != SERVICE_FINAL_SIGTERM &&
+            state != SERVICE_FINAL_SIGKILL) {
+                service_unwatch_control_pid(s);
+                s->control_command = NULL;
+                s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+        }
+
+        if (state == SERVICE_DEAD ||
+            state == SERVICE_STOP ||
+            state == SERVICE_STOP_SIGTERM ||
+            state == SERVICE_STOP_SIGKILL ||
+            state == SERVICE_STOP_POST ||
+            state == SERVICE_FINAL_SIGTERM ||
+            state == SERVICE_FINAL_SIGKILL ||
+            state == SERVICE_MAINTAINANCE ||
+            state == SERVICE_AUTO_RESTART)
+                service_notify_sockets_dead(s);
+
+        if (state != SERVICE_START_PRE &&
+            state != SERVICE_START &&
+            !(state == SERVICE_DEAD && UNIT(s)->meta.job))
+                service_close_socket_fd(s);
+
+        if (old_state != state)
+                log_debug("%s changed %s -> %s", UNIT(s)->meta.id, service_state_to_string(old_state), service_state_to_string(state));
+
+        unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
+}
+
+static int service_coldplug(Unit *u) {
+        Service *s = SERVICE(u);
+        int r;
+
+        assert(s);
+        assert(s->state == SERVICE_DEAD);
+
+        if (s->deserialized_state != s->state) {
+
+                if (s->deserialized_state == SERVICE_START_PRE ||
+                    s->deserialized_state == SERVICE_START ||
+                    s->deserialized_state == SERVICE_START_POST ||
+                    s->deserialized_state == SERVICE_RELOAD ||
+                    s->deserialized_state == SERVICE_STOP ||
+                    s->deserialized_state == SERVICE_STOP_SIGTERM ||
+                    s->deserialized_state == SERVICE_STOP_SIGKILL ||
+                    s->deserialized_state == SERVICE_STOP_POST ||
+                    s->deserialized_state == SERVICE_FINAL_SIGTERM ||
+                    s->deserialized_state == SERVICE_FINAL_SIGKILL ||
+                    s->deserialized_state == SERVICE_AUTO_RESTART) {
+
+                        if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
+                                usec_t k;
+
+                                k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
+
+                                if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
+                                        return r;
+                        }
+                }
+
+                if ((s->deserialized_state == SERVICE_START &&
+                     (s->type == SERVICE_FORKING ||
+                      s->type == SERVICE_DBUS)) ||
+                    s->deserialized_state == SERVICE_START_POST ||
+                    s->deserialized_state == SERVICE_RUNNING ||
+                    s->deserialized_state == SERVICE_RELOAD ||
+                    s->deserialized_state == SERVICE_STOP ||
+                    s->deserialized_state == SERVICE_STOP_SIGTERM ||
+                    s->deserialized_state == SERVICE_STOP_SIGKILL)
+                        if (s->main_pid > 0)
+                                if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
+                                        return r;
+
+                if (s->deserialized_state == SERVICE_START_PRE ||
+                    s->deserialized_state == SERVICE_START ||
+                    s->deserialized_state == SERVICE_START_POST ||
+                    s->deserialized_state == SERVICE_RELOAD ||
+                    s->deserialized_state == SERVICE_STOP ||
+                    s->deserialized_state == SERVICE_STOP_SIGTERM ||
+                    s->deserialized_state == SERVICE_STOP_SIGKILL ||
+                    s->deserialized_state == SERVICE_STOP_POST ||
+                    s->deserialized_state == SERVICE_FINAL_SIGTERM ||
+                    s->deserialized_state == SERVICE_FINAL_SIGKILL)
+                        if (s->control_pid > 0)
+                                if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
+                                        return r;
+
+                service_set_state(s, s->deserialized_state);
+        }
+
+        return 0;
+}
+
+static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
+        Iterator i;
+        int r;
+        int *rfds = NULL;
+        unsigned rn_fds = 0;
+        Set *set;
+        Socket *sock;
+
+        assert(s);
+        assert(fds);
+        assert(n_fds);
+
+        if ((r = service_get_sockets(s, &set)) < 0)
+                return r;
+
+        SET_FOREACH(sock, set, i) {
+                int *cfds;
+                unsigned cn_fds;
+
+                if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
+                        goto fail;
+
+                if (!cfds)
+                        continue;
+
+                if (!rfds) {
+                        rfds = cfds;
+                        rn_fds = cn_fds;
+                } else {
+                        int *t;
+
+                        if (!(t = new(int, rn_fds+cn_fds))) {
+                                free(cfds);
+                                r = -ENOMEM;
+                                goto fail;
+                        }
+
+                        memcpy(t, rfds, rn_fds);
+                        memcpy(t+rn_fds, cfds, cn_fds);
+                        free(rfds);
+                        free(cfds);
+
+                        rfds = t;
+                        rn_fds = rn_fds+cn_fds;
+                }
+        }
+
+        *fds = rfds;
+        *n_fds = rn_fds;
+
+        set_free(set);
+
+        return 0;
+
+fail:
+        set_free(set);
+        free(rfds);
+
+        return r;
+}
+
+static int service_spawn(
+                Service *s,
+                ExecCommand *c,
+                bool timeout,
+                bool pass_fds,
+                bool apply_permissions,
+                bool apply_chroot,
+                pid_t *_pid) {
+
+        pid_t pid;
+        int r;
+        int *fds = NULL;
+        unsigned n_fds = 0;
+        char **argv;
+
+        assert(s);
+        assert(c);
+        assert(_pid);
+
+        if (pass_fds) {
+                if (s->socket_fd >= 0) {
+                        fds = &s->socket_fd;
+                        n_fds = 1;
+                } else if ((r = service_collect_fds(s, &fds, &n_fds)) < 0)
+                        goto fail;
+        }
+
+        if (timeout && s->timeout_usec) {
+                if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+                        goto fail;
+        } else
+                unit_unwatch_timer(UNIT(s), &s->timer_watch);
+
+        if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
+                r = -ENOMEM;
+                goto fail;
+        }
+
+        r = exec_spawn(c,
+                       argv,
+                       &s->exec_context,
+                       fds, n_fds,
+                       s->meta.manager->environment,
+                       apply_permissions,
+                       apply_chroot,
+                       UNIT(s)->meta.manager->confirm_spawn,
+                       UNIT(s)->meta.cgroup_bondings,
+                       &pid);
+
+        strv_free(argv);
+        if (r < 0)
+                goto fail;
+
+        if (fds) {
+                if (s->socket_fd >= 0)
+                        service_close_socket_fd(s);
+                else
+                        free(fds);
+        }
+
+        if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
+                /* FIXME: we need to do something here */
+                goto fail;
+
+        *_pid = pid;
+
+        return 0;
+
+fail:
+        free(fds);
+
+        if (timeout)
+                unit_unwatch_timer(UNIT(s), &s->timer_watch);
+
+        return r;
+}
+
+static int main_pid_good(Service *s) {
+        assert(s);
+
+        /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
+         * don't know */
+
+        /* If we know the pid file, then lets just check if it is
+         * still valid */
+        if (s->main_pid_known)
+                return s->main_pid > 0;
+
+        /* We don't know the pid */
+        return -EAGAIN;
+}
+
+static int control_pid_good(Service *s) {
+        assert(s);
+
+        return s->control_pid > 0;
+}
+
+static int cgroup_good(Service *s) {
+        int r;
+
+        assert(s);
+
+        if (s->valid_no_process)
+                return -EAGAIN;
+
+        if ((r = cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings)) < 0)
+                return r;
+
+        return !r;
+}
+
+static void service_enter_dead(Service *s, bool success, bool allow_restart) {
+        int r;
+        assert(s);
+
+        if (!success)
+                s->failure = true;
+
+        if (allow_restart &&
+            s->allow_restart &&
+            (s->restart == SERVICE_RESTART_ALWAYS ||
+             (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
+
+                if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
+                        goto fail;
+
+                service_set_state(s, SERVICE_AUTO_RESTART);
+        } else
+                service_set_state(s, s->failure ? SERVICE_MAINTAINANCE : SERVICE_DEAD);
+
+        return;
+
+fail:
+        log_warning("%s failed to run install restart timer: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_dead(s, false, false);
+}
+
+static void service_enter_signal(Service *s, ServiceState state, bool success);
+
+static void service_enter_stop_post(Service *s, bool success) {
+        int r;
+        assert(s);
+
+        if (!success)
+                s->failure = true;
+
+        service_unwatch_control_pid(s);
+
+        s->control_command_id = SERVICE_EXEC_STOP_POST;
+        if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
+                if ((r = service_spawn(s,
+                                       s->control_command,
+                                       true,
+                                       false,
+                                       !s->permissions_start_only,
+                                       !s->root_directory_start_only,
+                                       &s->control_pid)) < 0)
+                        goto fail;
+
+
+                service_set_state(s, SERVICE_STOP_POST);
+        } else
+                service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
+
+        return;
+
+fail:
+        log_warning("%s failed to run stop-post executable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+}
+
+static void service_enter_signal(Service *s, ServiceState state, bool success) {
+        int r;
+        bool sent = false;
+
+        assert(s);
+
+        if (!success)
+                s->failure = true;
+
+        if (s->kill_mode != KILL_NONE) {
+                int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL;
+
+                if (s->kill_mode == KILL_CONTROL_GROUP) {
+
+                        if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) {
+                                if (r != -EAGAIN && r != -ESRCH)
+                                        goto fail;
+                        } else
+                                sent = true;
+                }
+
+                if (!sent) {
+                        r = 0;
+
+                        if (s->main_pid > 0) {
+                                if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
+                                        r = -errno;
+                                else
+                                        sent = true;
+                        }
+
+                        if (s->control_pid > 0) {
+                                if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
+                                        r = -errno;
+                                else
+                                        sent = true;
+                        }
+
+                        if (r < 0)
+                                goto fail;
+                }
+        }
+
+        if (sent && (s->main_pid > 0 || s->control_pid > 0)) {
+                if (s->timeout_usec > 0)
+                        if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
+                                goto fail;
+
+                service_set_state(s, state);
+        } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
+                service_enter_stop_post(s, true);
+        else
+                service_enter_dead(s, true, true);
+
+        return;
+
+fail:
+        log_warning("%s failed to kill processes: %s", UNIT(s)->meta.id, strerror(-r));
+
+        if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
+                service_enter_stop_post(s, false);
+        else
+                service_enter_dead(s, false, true);
+}
+
+static void service_enter_stop(Service *s, bool success) {
+        int r;
+        assert(s);
+
+        if (!success)
+                s->failure = true;
+
+        service_unwatch_control_pid(s);
+
+        s->control_command_id = SERVICE_EXEC_STOP;
+        if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
+                if ((r = service_spawn(s,
+                                       s->control_command,
+                                       true,
+                                       false,
+                                       !s->permissions_start_only,
+                                       !s->root_directory_start_only,
+                                       &s->control_pid)) < 0)
+                        goto fail;
+
+                service_set_state(s, SERVICE_STOP);
+        } else
+                service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
+
+        return;
+
+fail:
+        log_warning("%s failed to run stop executable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+}
+
+static void service_enter_running(Service *s, bool success) {
+        assert(s);
+
+        if (!success)
+                s->failure = true;
+
+        if (main_pid_good(s) != 0 &&
+            cgroup_good(s) != 0 &&
+            (s->bus_name_good || s->type != SERVICE_DBUS))
+                service_set_state(s, SERVICE_RUNNING);
+        else if (s->valid_no_process)
+                service_set_state(s, SERVICE_EXITED);
+        else
+                service_enter_stop(s, true);
+}
+
+static void service_enter_start_post(Service *s) {
+        int r;
+        assert(s);
+
+        service_unwatch_control_pid(s);
+
+        s->control_command_id = SERVICE_EXEC_START_POST;
+        if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
+                if ((r = service_spawn(s,
+                                       s->control_command,
+                                       true,
+                                       false,
+                                       !s->permissions_start_only,
+                                       !s->root_directory_start_only,
+                                       &s->control_pid)) < 0)
+                        goto fail;
+
+
+                service_set_state(s, SERVICE_START_POST);
+        } else
+                service_enter_running(s, true);
+
+        return;
+
+fail:
+        log_warning("%s failed to run start-post executable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_stop(s, false);
+}
+
+static void service_enter_start(Service *s) {
+        pid_t pid;
+        int r;
+
+        assert(s);
+
+        assert(s->exec_command[SERVICE_EXEC_START]);
+        assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
+
+        if (s->type == SERVICE_FORKING)
+                service_unwatch_control_pid(s);
+        else
+                service_unwatch_main_pid(s);
+
+        if ((r = service_spawn(s,
+                               s->exec_command[SERVICE_EXEC_START],
+                               s->type == SERVICE_FORKING || s->type == SERVICE_DBUS,
+                               true,
+                               true,
+                               true,
+                               &pid)) < 0)
+                goto fail;
+
+        if (s->type == SERVICE_SIMPLE) {
+                /* For simple services we immediately start
+                 * the START_POST binaries. */
+
+                s->main_pid = pid;
+                s->main_pid_known = true;
+
+                service_enter_start_post(s);
+
+        } else  if (s->type == SERVICE_FORKING) {
+
+                /* For forking services we wait until the start
+                 * process exited. */
+
+                s->control_pid = pid;
+
+                s->control_command_id = SERVICE_EXEC_START;
+                s->control_command = s->exec_command[SERVICE_EXEC_START];
+                service_set_state(s, SERVICE_START);
+
+        } else if (s->type == SERVICE_FINISH ||
+                   s->type == SERVICE_DBUS) {
+
+                /* For finishing 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,
+                 * but wait for the bus name to appear on the bus. */
+
+                s->main_pid = pid;
+                s->main_pid_known = true;
+
+                service_set_state(s, SERVICE_START);
+        } else
+                assert_not_reached("Unknown service type");
+
+        return;
+
+fail:
+        log_warning("%s failed to run start exectuable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+}
+
+static void service_enter_start_pre(Service *s) {
+        int r;
+
+        assert(s);
+
+        service_unwatch_control_pid(s);
+
+        s->control_command_id = SERVICE_EXEC_START_PRE;
+        if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
+                if ((r = service_spawn(s,
+                                       s->control_command,
+                                       true,
+                                       false,
+                                       !s->permissions_start_only,
+                                       !s->root_directory_start_only,
+                                       &s->control_pid)) < 0)
+                        goto fail;
+
+                service_set_state(s, SERVICE_START_PRE);
+        } else
+                service_enter_start(s);
+
+        return;
+
+fail:
+        log_warning("%s failed to run start-pre executable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_dead(s, false, true);
+}
+
+static void service_enter_restart(Service *s) {
+        int r;
+        assert(s);
+
+        service_enter_dead(s, true, false);
+
+        if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0)
+                goto fail;
+
+        log_debug("%s scheduled restart job.", UNIT(s)->meta.id);
+        return;
+
+fail:
+
+        log_warning("%s failed to schedule restart job: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_dead(s, false, false);
+}
+
+static void service_enter_reload(Service *s) {
+        int r;
+
+        assert(s);
+
+        service_unwatch_control_pid(s);
+
+        s->control_command_id = SERVICE_EXEC_RELOAD;
+        if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
+                if ((r = service_spawn(s,
+                                       s->control_command,
+                                       true,
+                                       false,
+                                       !s->permissions_start_only,
+                                       !s->root_directory_start_only,
+                                       &s->control_pid)) < 0)
+                        goto fail;
+
+                service_set_state(s, SERVICE_RELOAD);
+        } else
+                service_enter_running(s, true);
+
+        return;
+
+fail:
+        log_warning("%s failed to run reload executable: %s", UNIT(s)->meta.id, strerror(-r));
+        service_enter_stop(s, false);
+}
+
+static void service_run_next(Service *s, bool success) {
+        int r;
+
+        assert(s);
+        assert(s->control_command);
+        assert(s->control_command->command_next);
+
+        if (!success)
+                s->failure = true;
+
+        s->control_command = s->control_command->command_next;
+
+        service_unwatch_control_pid(s);
+
+        if ((r = service_spawn(s,
+                               s->control_command,
+                               true,
+                               false,
+                               !s->permissions_start_only,
+                               !s->root_directory_start_only,
+                               &s->control_pid)) < 0)
+                goto fail;
+
+        return;
+
+fail:
+        log_warning("%s failed to run spawn next executable: %s", UNIT(s)->meta.id, strerror(-r));
+
+        if (s->state == SERVICE_START_PRE)
+                service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+        else if (s->state == SERVICE_STOP)
+                service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+        else if (s->state == SERVICE_STOP_POST)
+                service_enter_dead(s, false, true);
+        else
+                service_enter_stop(s, false);
+}
+
+static int service_start(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        /* We cannot fulfill this request right now, try again later
+         * please! */
+        if (s->state == SERVICE_STOP ||
+            s->state == SERVICE_STOP_SIGTERM ||
+            s->state == SERVICE_STOP_SIGKILL ||
+            s->state == SERVICE_STOP_POST ||
+            s->state == SERVICE_FINAL_SIGTERM ||
+            s->state == SERVICE_FINAL_SIGKILL)
+                return -EAGAIN;
+
+        /* Already on it! */
+        if (s->state == SERVICE_START_PRE ||
+            s->state == SERVICE_START ||
+            s->state == SERVICE_START_POST)
+                return 0;
+
+        assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTAINANCE || s->state == SERVICE_AUTO_RESTART);
+
+        /* Make sure we don't enter a busy loop of some kind. */
+        if (!ratelimit_test(&s->ratelimit)) {
+                log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
+                return -EAGAIN;
+        }
+
+        s->failure = false;
+        s->main_pid_known = false;
+        s->allow_restart = true;
+
+        service_enter_start_pre(s);
+        return 0;
+}
+
+static int service_stop(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        /* Cannot do this now */
+        if (s->state == SERVICE_START_PRE ||
+            s->state == SERVICE_START ||
+            s->state == SERVICE_START_POST ||
+            s->state == SERVICE_RELOAD)
+                return -EAGAIN;
+
+        /* Already on it */
+        if (s->state == SERVICE_STOP ||
+            s->state == SERVICE_STOP_SIGTERM ||
+            s->state == SERVICE_STOP_SIGKILL ||
+            s->state == SERVICE_STOP_POST ||
+            s->state == SERVICE_FINAL_SIGTERM ||
+            s->state == SERVICE_FINAL_SIGKILL)
+                return 0;
+
+        if (s->state == SERVICE_AUTO_RESTART) {
+                service_set_state(s, SERVICE_DEAD);
+                return 0;
+        }
+
+        assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
+
+        /* This is a user request, so don't do restarts on this
+         * shutdown. */
+        s->allow_restart = false;
+
+        service_enter_stop(s, true);
+        return 0;
+}
+
+static int service_reload(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
+
+        service_enter_reload(s);
+        return 0;
+}
+
+static bool service_can_reload(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        return !!s->exec_command[SERVICE_EXEC_RELOAD];
+}
+
+static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
+        Service *s = SERVICE(u);
+
+        assert(u);
+        assert(f);
+        assert(fds);
+
+        unit_serialize_item(u, f, "state", service_state_to_string(s->state));
+        unit_serialize_item(u, f, "failure", yes_no(s->failure));
+
+        if (s->control_pid > 0)
+                unit_serialize_item_format(u, f, "control-pid", "%u", (unsigned) (s->control_pid));
+
+        if (s->main_pid > 0)
+                unit_serialize_item_format(u, f, "main-pid", "%u", (unsigned) (s->main_pid));
+
+        unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
+
+        /* There's a minor uncleanliness here: if there are multiple
+         * commands attached here, we will start from the first one
+         * again */
+        if (s->control_command_id >= 0)
+                unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
+
+        if (s->socket_fd >= 0) {
+                int copy;
+
+                if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
+                        return copy;
+
+                unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
+        }
+
+        return 0;
+}
+
+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);
+        assert(value);
+        assert(fds);
+
+        if (streq(key, "state")) {
+                ServiceState state;
+
+                if ((state = service_state_from_string(value)) < 0)
+                        log_debug("Failed to parse state value %s", value);
+                else
+                        s->deserialized_state = state;
+        } else if (streq(key, "failure")) {
+                int b;
+
+                if ((b = parse_boolean(value)) < 0)
+                        log_debug("Failed to parse failure value %s", value);
+                else
+                        s->failure = b || s->failure;
+        } else if (streq(key, "control-pid")) {
+                unsigned pid;
+
+                if ((r = safe_atou(value, &pid)) < 0 || pid <= 0)
+                        log_debug("Failed to parse control-pid value %s", value);
+                else
+                        s->control_pid = (pid_t) pid;
+        } else if (streq(key, "main-pid")) {
+                unsigned pid;
+
+                if ((r = safe_atou(value, &pid)) < 0 || pid <= 0)
+                        log_debug("Failed to parse main-pid value %s", value);
+                else
+                        s->main_pid = (pid_t) pid;
+        } else if (streq(key, "main-pid-known")) {
+                int b;
+
+                if ((b = parse_boolean(value)) < 0)
+                        log_debug("Failed to parse main-pid-known value %s", value);
+                else
+                        s->main_pid_known = b;
+        } else if (streq(key, "control-command")) {
+                ServiceExecCommand id;
+
+                if ((id = service_exec_command_from_string(value)) < 0)
+                        log_debug("Failed to parse exec-command value %s", value);
+                else {
+                        s->control_command_id = id;
+                        s->control_command = s->exec_command[id];
+                }
+        } else if (streq(key, "socket-fd")) {
+                int fd;
+
+                if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+                        log_debug("Failed to parse socket-fd value %s", value);
+                else {
+
+                        if (s->socket_fd >= 0)
+                                close_nointr_nofail(s->socket_fd);
+                        s->socket_fd = fdset_remove(fds, fd);
+                }
+        } else
+                log_debug("Unknown serialization key '%s'", key);
+
+        return 0;
+}
+
+static UnitActiveState service_active_state(Unit *u) {
+        assert(u);
+
+        return state_translation_table[SERVICE(u)->state];
+}
+
+static const char *service_sub_state_to_string(Unit *u) {
+        assert(u);
+
+        return service_state_to_string(SERVICE(u)->state);
+}
+
+static bool service_check_gc(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        return !!s->sysv_path;
+}
+
+static bool service_check_snapshot(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+
+        return !s->got_socket_fd;
+}
+
+static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
+        Service *s = SERVICE(u);
+        bool success;
+
+        assert(s);
+        assert(pid >= 0);
+
+        success = is_clean_exit(code, status);
+        s->failure = s->failure || !success;
+
+        if (s->main_pid == pid) {
+
+                exec_status_fill(&s->main_exec_status, pid, code, status);
+                s->main_pid = 0;
+
+                if (s->type == SERVICE_SIMPLE || s->type == SERVICE_FINISH) {
+                        assert(s->exec_command[SERVICE_EXEC_START]);
+                        s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
+                }
+
+                log_debug("%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
+
+                /* The service exited, so the service is officially
+                 * gone. */
+
+                switch (s->state) {
+
+                case SERVICE_START_POST:
+                case SERVICE_RELOAD:
+                case SERVICE_STOP:
+                        /* Need to wait until the operation is
+                         * done */
+                        break;
+
+                case SERVICE_START:
+                        assert(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);
+                        break;
+
+                case SERVICE_RUNNING:
+                        service_enter_running(s, success);
+                        break;
+
+                case SERVICE_STOP_SIGTERM:
+                case SERVICE_STOP_SIGKILL:
+
+                        if (!control_pid_good(s))
+                                service_enter_stop_post(s, success);
+
+                        /* If there is still a control process, wait for that first */
+                        break;
+
+                default:
+                        assert_not_reached("Uh, main process died at wrong time.");
+                }
+
+        } else if (s->control_pid == pid) {
+
+                if (s->control_command)
+                        exec_status_fill(&s->control_command->exec_status, pid, code, status);
+
+                s->control_pid = 0;
+
+                log_debug("%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
+
+                /* If we are shutting things down anyway we
+                 * don't care about failing commands. */
+
+                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);
+
+                } else {
+                        /* No further commands for this step, so let's
+                         * figure out what to do next */
+
+                        s->control_command = NULL;
+                        s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
+
+                        log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
+
+                        switch (s->state) {
+
+                        case SERVICE_START_PRE:
+                                if (success)
+                                        service_enter_start(s);
+                                else
+                                        service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+                                break;
+
+                        case SERVICE_START:
+                                assert(s->type == SERVICE_FORKING);
+
+                                /* Let's try to load the pid
+                                 * file here if we can. We
+                                 * ignore the return value,
+                                 * since the PID file might
+                                 * actually be created by a
+                                 * START_POST script */
+
+                                if (success) {
+                                        if (s->pid_file)
+                                                service_load_pid_file(s);
+
+                                        service_enter_start_post(s);
+                                } else
+                                        service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+
+                                break;
+
+                        case SERVICE_START_POST:
+                                if (success && s->pid_file && !s->main_pid_known) {
+                                        int r;
+
+                                        /* Hmm, let's see if we can
+                                         * load the pid now after the
+                                         * start-post scripts got
+                                         * executed. */
+
+                                        if ((r = service_load_pid_file(s)) < 0)
+                                                log_warning("%s: failed to load PID file %s: %s", UNIT(s)->meta.id, s->pid_file, strerror(-r));
+                                }
+
+                                /* Fall through */
+
+                        case SERVICE_RELOAD:
+                                if (success)
+                                        service_enter_running(s, true);
+                                else
+                                        service_enter_stop(s, false);
+
+                                break;
+
+                        case SERVICE_STOP:
+                                service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
+                                break;
+
+                        case SERVICE_STOP_SIGTERM:
+                        case SERVICE_STOP_SIGKILL:
+                                if (main_pid_good(s) <= 0)
+                                        service_enter_stop_post(s, success);
+
+                                /* If there is still a service
+                                 * process around, wait until
+                                 * that one quit, too */
+                                break;
+
+                        case SERVICE_STOP_POST:
+                        case SERVICE_FINAL_SIGTERM:
+                        case SERVICE_FINAL_SIGKILL:
+                                service_enter_dead(s, success, true);
+                                break;
+
+                        default:
+                                assert_not_reached("Uh, control process died at wrong time.");
+                        }
+                }
+        } else
+                assert_not_reached("Got SIGCHLD for unkown PID");
+}
+
+static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
+        Service *s = SERVICE(u);
+
+        assert(s);
+        assert(elapsed == 1);
+
+        assert(w == &s->timer_watch);
+
+        switch (s->state) {
+
+        case SERVICE_START_PRE:
+        case SERVICE_START:
+                log_warning("%s operation timed out. Terminating.", u->meta.id);
+                service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+                break;
+
+        case SERVICE_START_POST:
+        case SERVICE_RELOAD:
+                log_warning("%s operation timed out. Stopping.", u->meta.id);
+                service_enter_stop(s, false);
+                break;
+
+        case SERVICE_STOP:
+                log_warning("%s stopping timed out. Terminating.", u->meta.id);
+                service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
+                break;
+
+        case SERVICE_STOP_SIGTERM:
+                log_warning("%s stopping timed out. Killing.", u->meta.id);
+                service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
+                break;
+
+        case SERVICE_STOP_SIGKILL:
+                /* Uh, wie sent a SIGKILL and it is still not gone?
+                 * Must be something we cannot kill, so let's just be
+                 * weirded out and continue */
+
+                log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
+                service_enter_stop_post(s, false);
+                break;
+
+        case SERVICE_STOP_POST:
+                log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
+                service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
+                break;
+
+        case SERVICE_FINAL_SIGTERM:
+                log_warning("%s stopping timed out (2). Killing.", u->meta.id);
+                service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
+                break;
+
+        case SERVICE_FINAL_SIGKILL:
+                log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u->meta.id);
+                service_enter_dead(s, false, true);
+                break;
+
+        case SERVICE_AUTO_RESTART:
+                log_debug("%s holdoff time over, scheduling restart.", u->meta.id);
+                service_enter_restart(s);
+                break;
+
+        default:
+                assert_not_reached("Timeout at wrong time.");
+        }
+}
+
+static void service_cgroup_notify_event(Unit *u) {
+        Service *s = SERVICE(u);
+
+        assert(u);
+
+        log_debug("%s: cgroup is empty", u->meta.id);
+
+        switch (s->state) {
+
+                /* Waiting for SIGCHLD is usually more interesting,
+                 * because it includes return codes/signals. Which is
+                 * why we ignore the cgroup events for most cases,
+                 * except when we don't know pid which to expect the
+                 * SIGCHLD for. */
+
+        case SERVICE_RUNNING:
+                service_enter_running(s, true);
+                break;
+
+        default:
+                ;
+        }
+}
+
+static int service_enumerate(Manager *m) {
+        char **p;
+        unsigned i;
+        DIR *d = NULL;
+        char *path = NULL, *fpath = NULL, *name = NULL;
+        int r;
+
+        assert(m);
+
+        STRV_FOREACH(p, m->sysvrcnd_path)
+                for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
+                        struct dirent *de;
+
+                        free(path);
+                        path = NULL;
+                        if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
+                                r = -ENOMEM;
+                                goto finish;
+                        }
+
+                        if (d)
+                                closedir(d);
+
+                        if (!(d = opendir(path))) {
+                                if (errno != ENOENT)
+                                        log_warning("opendir() failed on %s: %s", path, strerror(errno));
+
+                                continue;
+                        }
+
+                        while ((de = readdir(d))) {
+                                Unit *service;
+                                int a, b;
+
+                                if (ignore_file(de->d_name))
+                                        continue;
+
+                                if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
+                                        continue;
+
+                                if (strlen(de->d_name) < 4)
+                                        continue;
+
+                                a = undecchar(de->d_name[1]);
+                                b = undecchar(de->d_name[2]);
+
+                                if (a < 0 || b < 0)
+                                        continue;
+
+                                free(fpath);
+                                fpath = NULL;
+                                if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (access(fpath, X_OK) < 0) {
+
+                                        if (errno != ENOENT)
+                                                log_warning("access() failed on %s: %s", fpath, strerror(errno));
+
+                                        continue;
+                                }
+
+                                free(name);
+                                if (!(name = new(char, strlen(de->d_name) - 3 + 8 + 1))) {
+                                        r = -ENOMEM;
+                                        goto finish;
+                                }
+
+                                if (startswith(de->d_name+3, "boot."))
+                                        /* Drop SuSE-style boot. prefix */
+                                        strcpy(stpcpy(name, de->d_name + 3 + 5), ".service");
+                                else if (endswith(de->d_name+3, ".sh"))
+                                        /* Drop Debian-style .sh suffix */
+                                        strcpy(stpcpy(name, de->d_name + 3) - 3, ".service");
+                                else
+                                        /* Normal init scripts */
+                                        strcpy(stpcpy(name, de->d_name + 3), ".service");
+
+                                if ((r = manager_load_unit_prepare(m, name, NULL, &service)) < 0) {
+                                        log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
+                                        continue;
+                                }
+
+                                if (de->d_name[0] == 'S' &&
+                                    (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_BASIC))
+                                        SERVICE(service)->sysv_start_priority =
+                                                MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
+
+                                manager_dispatch_load_queue(m);
+                                service = unit_follow_merge(service);
+
+                                if (de->d_name[0] == 'S') {
+                                        Unit *runlevel_target;
+
+                                        if ((r = manager_load_unit(m, rcnd_table[i].target, NULL, &runlevel_target)) < 0)
+                                                goto finish;
+
+                                        if ((r = unit_add_dependency(runlevel_target, UNIT_WANTS, service, true)) < 0)
+                                                goto finish;
+
+                                        if ((r = unit_add_dependency(service, UNIT_BEFORE, runlevel_target, true)) < 0)
+                                                goto finish;
+
+                                } else if (de->d_name[0] == 'K' && rcnd_table[i].type == RUNLEVEL_DOWN) {
+                                        Unit *shutdown_target;
+
+                                        /* We honour K links only for
+                                         * halt/reboot. For the normal
+                                         * runlevels we assume the
+                                         * stop jobs will be
+                                         * implicitly added by the
+                                         * core logic. Also, we don't
+                                         * really distuingish here
+                                         * between the runlevels 0 and
+                                         * 6 and just add them to the
+                                         * special shutdown target. */
+
+                                        if ((r = manager_load_unit(m, SPECIAL_SHUTDOWN_TARGET, NULL, &shutdown_target)) < 0)
+                                                goto finish;
+
+                                        if ((r = unit_add_dependency(service, UNIT_CONFLICTS, shutdown_target, true)) < 0)
+                                                goto finish;
+
+                                        if ((r = unit_add_dependency(service, UNIT_BEFORE, shutdown_target, true)) < 0)
+                                                goto finish;
+                                }
+                        }
+                }
+
+        r = 0;
+
+finish:
+        free(path);
+        free(fpath);
+        free(name);
+
+        if (d)
+                closedir(d);
+
+        return r;
+}
+
+static void service_bus_name_owner_change(
+                Unit *u,
+                const char *name,
+                const char *old_owner,
+                const char *new_owner) {
+
+        Service *s = SERVICE(u);
+
+        assert(s);
+        assert(name);
+
+        assert(streq(s->bus_name, name));
+        assert(old_owner || new_owner);
+
+        if (old_owner && new_owner)
+                log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
+        else if (old_owner)
+                log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
+        else
+                log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
+
+        s->bus_name_good = !!new_owner;
+
+        if (s->type == SERVICE_DBUS) {
+
+                /* service_enter_running() will figure out what to
+                 * do */
+                if (s->state == SERVICE_RUNNING)
+                        service_enter_running(s, true);
+                else if (s->state == SERVICE_START && new_owner)
+                        service_enter_start_post(s);
+
+        } else if (new_owner &&
+                   s->main_pid <= 0 &&
+                   (s->state == SERVICE_START ||
+                    s->state == SERVICE_START_POST ||
+                    s->state == SERVICE_RUNNING ||
+                    s->state == SERVICE_RELOAD)) {
+
+                /* Try to acquire PID from bus service */
+                log_debug("Trying to acquire PID from D-Bus name...");
+
+                bus_query_pid(u->meta.manager, name);
+        }
+}
+
+static void service_bus_query_pid_done(
+                Unit *u,
+                const char *name,
+                pid_t pid) {
+
+        Service *s = SERVICE(u);
+
+        assert(s);
+        assert(name);
+
+        log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
+
+        if (s->main_pid <= 0 &&
+            (s->state == SERVICE_START ||
+             s->state == SERVICE_START_POST ||
+             s->state == SERVICE_RUNNING ||
+             s->state == SERVICE_RELOAD))
+                s->main_pid = pid;
+}
+
+int service_set_socket_fd(Service *s, int fd) {
+        assert(s);
+        assert(fd >= 0);
+
+        /* This is called by the socket code when instantiating a new
+         * service for a stream socket and the socket needs to be
+         * configured. */
+
+        if (UNIT(s)->meta.load_state != UNIT_LOADED)
+                return -EINVAL;
+
+        if (s->socket_fd >= 0)
+                return -EBUSY;
+
+        if (s->state != SERVICE_DEAD)
+                return -EAGAIN;
+
+        s->socket_fd = fd;
+        s->got_socket_fd = true;
+        return 0;
+}
+
+static const char* const service_state_table[_SERVICE_STATE_MAX] = {
+        [SERVICE_DEAD] = "dead",
+        [SERVICE_START_PRE] = "start-pre",
+        [SERVICE_START] = "start",
+        [SERVICE_START_POST] = "start-post",
+        [SERVICE_RUNNING] = "running",
+        [SERVICE_EXITED] = "exited",
+        [SERVICE_RELOAD] = "reload",
+        [SERVICE_STOP] = "stop",
+        [SERVICE_STOP_SIGTERM] = "stop-sigterm",
+        [SERVICE_STOP_SIGKILL] = "stop-sigkill",
+        [SERVICE_STOP_POST] = "stop-post",
+        [SERVICE_FINAL_SIGTERM] = "final-sigterm",
+        [SERVICE_FINAL_SIGKILL] = "final-sigkill",
+        [SERVICE_MAINTAINANCE] = "maintainance",
+        [SERVICE_AUTO_RESTART] = "auto-restart",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
+
+static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
+        [SERVICE_ONCE] = "once",
+        [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
+        [SERVICE_RESTART_ALWAYS] = "restart-always",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
+
+static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
+        [SERVICE_FORKING] = "forking",
+        [SERVICE_SIMPLE] = "simple",
+        [SERVICE_FINISH] = "finish",
+        [SERVICE_DBUS] = "dbus"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
+
+static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
+        [SERVICE_EXEC_START_PRE] = "ExecStartPre",
+        [SERVICE_EXEC_START] = "ExecStart",
+        [SERVICE_EXEC_START_POST] = "ExecStartPost",
+        [SERVICE_EXEC_RELOAD] = "ExecReload",
+        [SERVICE_EXEC_STOP] = "ExecStop",
+        [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
+
+const UnitVTable service_vtable = {
+        .suffix = ".service",
+
+        .init = service_init,
+        .done = service_done,
+        .load = service_load,
+
+        .coldplug = service_coldplug,
+
+        .dump = service_dump,
+
+        .start = service_start,
+        .stop = service_stop,
+        .reload = service_reload,
+
+        .can_reload = service_can_reload,
+
+        .serialize = service_serialize,
+        .deserialize_item = service_deserialize_item,
+
+        .active_state = service_active_state,
+        .sub_state_to_string = service_sub_state_to_string,
+
+        .check_gc = service_check_gc,
+        .check_snapshot = service_check_snapshot,
+
+        .sigchld_event = service_sigchld_event,
+        .timer_event = service_timer_event,
+
+        .cgroup_notify_empty = service_cgroup_notify_event,
+
+        .bus_name_owner_change = service_bus_name_owner_change,
+        .bus_query_pid_done = service_bus_query_pid_done,
+
+        .bus_message_handler = bus_service_message_handler,
+
+        .enumerate = service_enumerate
+};