1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
29 #include "load-fragment.h"
30 #include "load-dropin.h"
33 #include "unit-name.h"
35 #define COMMENTS "#;\n"
36 #define NEWLINES "\n\r"
39 static const char * const rcnd_table
[] = {
40 "/rc0.d", SPECIAL_RUNLEVEL0_TARGET
,
41 "/rc1.d", SPECIAL_RUNLEVEL1_TARGET
,
42 "/rc2.d", SPECIAL_RUNLEVEL2_TARGET
,
43 "/rc3.d", SPECIAL_RUNLEVEL3_TARGET
,
44 "/rc4.d", SPECIAL_RUNLEVEL4_TARGET
,
45 "/rc5.d", SPECIAL_RUNLEVEL5_TARGET
,
46 "/rc6.d", SPECIAL_RUNLEVEL6_TARGET
,
47 "/boot.d", SPECIAL_BASIC_TARGET
50 static const UnitActiveState state_translation_table
[_SERVICE_STATE_MAX
] = {
51 [SERVICE_DEAD
] = UNIT_INACTIVE
,
52 [SERVICE_START_PRE
] = UNIT_ACTIVATING
,
53 [SERVICE_START
] = UNIT_ACTIVATING
,
54 [SERVICE_START_POST
] = UNIT_ACTIVATING
,
55 [SERVICE_RUNNING
] = UNIT_ACTIVE
,
56 [SERVICE_EXITED
] = UNIT_ACTIVE
,
57 [SERVICE_RELOAD
] = UNIT_ACTIVE_RELOADING
,
58 [SERVICE_STOP
] = UNIT_DEACTIVATING
,
59 [SERVICE_STOP_SIGTERM
] = UNIT_DEACTIVATING
,
60 [SERVICE_STOP_SIGKILL
] = UNIT_DEACTIVATING
,
61 [SERVICE_STOP_POST
] = UNIT_DEACTIVATING
,
62 [SERVICE_FINAL_SIGTERM
] = UNIT_DEACTIVATING
,
63 [SERVICE_FINAL_SIGKILL
] = UNIT_DEACTIVATING
,
64 [SERVICE_MAINTAINANCE
] = UNIT_INACTIVE
,
65 [SERVICE_AUTO_RESTART
] = UNIT_ACTIVATING
,
68 static void service_unwatch_control_pid(Service
*s
) {
71 if (s
->control_pid
<= 0)
74 unit_unwatch_pid(UNIT(s
), s
->control_pid
);
78 static void service_unwatch_main_pid(Service
*s
) {
84 unit_unwatch_pid(UNIT(s
), s
->main_pid
);
88 static void service_done(Unit
*u
) {
89 Service
*s
= SERVICE(u
);
99 free(s
->sysv_runlevels
);
100 s
->sysv_runlevels
= NULL
;
102 exec_context_done(&s
->exec_context
);
103 exec_command_free_array(s
->exec_command
, _SERVICE_EXEC_COMMAND_MAX
);
104 s
->control_command
= NULL
;
106 /* This will leak a process, but at least no memory or any of
108 service_unwatch_main_pid(s
);
109 service_unwatch_control_pid(s
);
111 unit_unwatch_timer(u
, &s
->timer_watch
);
114 static int sysv_translate_name(const char *name
, char **_r
) {
116 static const char * const table
[] = {
117 "$local_fs", SPECIAL_LOCAL_FS_TARGET
,
118 "$network", SPECIAL_NETWORK_TARGET
,
119 "$named", SPECIAL_NSS_LOOKUP_TARGET
,
120 "$portmap", SPECIAL_RPCBIND_TARGET
,
121 "$remote_fs", SPECIAL_REMOTE_FS_TARGET
,
122 "$syslog", SPECIAL_SYSLOG_TARGET
,
123 "$time", SPECIAL_RTC_SET_TARGET
129 for (i
= 0; i
< ELEMENTSOF(table
); i
+= 2)
130 if (streq(table
[i
], name
)) {
131 if (!(r
= strdup(table
[i
+1])))
140 if (asprintf(&r
, "%s.service", name
) < 0)
151 static int sysv_chkconfig_order(Service
*s
) {
157 if (s
->sysv_start_priority
< 0)
160 /* For each pair of services where at least one lacks a LSB
161 * header, we use the start priority value to order things. */
163 LIST_FOREACH(units_per_type
, other
, UNIT(s
)->meta
.manager
->units_per_type
[UNIT_SERVICE
]) {
167 t
= (Service
*) other
;
172 if (t
->sysv_start_priority
< 0)
175 /* If both units have modern headers we don't care
176 * about the priorities */
177 if ((!s
->sysv_path
|| s
->sysv_has_lsb
) &&
178 (!t
->sysv_path
|| t
->sysv_has_lsb
))
181 if (t
->sysv_start_priority
< s
->sysv_start_priority
)
183 else if (t
->sysv_start_priority
> s
->sysv_start_priority
)
188 /* FIXME: Maybe we should compare the name here lexicographically? */
190 if (!(r
= unit_add_dependency(UNIT(s
), d
, UNIT(t
))) < 0)
197 static ExecCommand
*exec_command_new(const char *path
, const char *arg1
) {
200 if (!(c
= new0(ExecCommand
, 1)))
203 if (!(c
->path
= strdup(path
))) {
208 if (!(c
->argv
= strv_new(path
, arg1
, NULL
))) {
217 static int sysv_exec_commands(Service
*s
) {
221 assert(s
->sysv_path
);
223 if (!(c
= exec_command_new(s
->sysv_path
, "start")))
225 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_START
, c
);
227 if (!(c
= exec_command_new(s
->sysv_path
, "stop")))
229 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_STOP
, c
);
231 if (!(c
= exec_command_new(s
->sysv_path
, "reload")))
233 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_RELOAD
, c
);
238 static int priority_from_rcd(Service
*s
, const char *init_script
) {
242 STRV_FOREACH(p
, UNIT(s
)->meta
.manager
->sysvrcnd_path
)
243 for (i
= 0; i
< ELEMENTSOF(rcnd_table
); i
+= 2) {
248 if (asprintf(&path
, "%s/%s", *p
, rcnd_table
[i
]) < 0)
256 log_warning("opendir() failed on %s: %s", path
, strerror(errno
));
261 while ((de
= readdir(d
))) {
264 if (ignore_file(de
->d_name
))
267 if (de
->d_name
[0] != 'S')
270 if (strlen(de
->d_name
) < 4)
273 if (!streq(de
->d_name
+ 3, init_script
))
276 /* Yay, we found it! Now decode the priority */
278 a
= undecchar(de
->d_name
[1]);
279 b
= undecchar(de
->d_name
[2]);
284 s
->sysv_start_priority
= a
*10 + b
;
286 log_debug("Determined priority %i from link farm for %s", s
->sysv_start_priority
, UNIT(s
)->meta
.id
);
298 static int service_load_sysv_path(Service
*s
, const char *path
) {
315 if (!(f
= fopen(path
, "re"))) {
316 r
= errno
== ENOENT
? 0 : -errno
;
320 s
->type
= SERVICE_FORKING
;
321 s
->restart
= SERVICE_ONCE
;
324 if (!(s
->sysv_path
= strdup(path
))) {
330 char l
[LINE_MAX
], *t
;
332 if (!fgets(l
, sizeof(l
), f
)) {
337 log_error("Failed to read configuration file '%s': %s", path
, strerror(-r
));
347 if (state
== NORMAL
&& streq(t
, "### BEGIN INIT INFO")) {
349 s
->sysv_has_lsb
= true;
353 if ((state
== LSB_DESCRIPTION
|| state
== LSB
) && streq(t
, "### END INIT INFO")) {
359 t
+= strspn(t
, WHITESPACE
);
361 if (state
== NORMAL
) {
363 /* Try to parse Red Hat style chkconfig headers */
365 if (startswith(t
, "chkconfig:")) {
367 char runlevels
[16], *k
;
371 if (sscanf(t
+10, "%15s %i %*i",
373 &start_priority
) != 2) {
375 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path
, line
);
379 if (start_priority
< 0 || start_priority
> 99)
380 log_warning("[%s:%u] Start priority out of range. Ignoring.", path
, line
);
382 s
->sysv_start_priority
= start_priority
;
384 char_array_0(runlevels
);
385 k
= delete_chars(runlevels
, WHITESPACE
"-");
390 if (!(d
= strdup(k
))) {
395 free(s
->sysv_runlevels
);
396 s
->sysv_runlevels
= d
;
400 } else if (startswith(t
, "description:")) {
402 size_t k
= strlen(t
);
405 if (t
[k
-1] == '\\') {
410 if (!(d
= strdup(strstrip(t
+12)))) {
415 free(u
->meta
.description
);
416 u
->meta
.description
= d
;
418 } else if (startswith(t
, "pidfile:")) {
425 if (!path_is_absolute(fn
)) {
426 log_warning("[%s:%u] PID file not absolute. Ignoring.", path
, line
);
430 if (!(fn
= strdup(fn
))) {
439 } else if (state
== DESCRIPTION
) {
441 /* Try to parse Red Hat style description
444 size_t k
= strlen(t
);
452 assert(u
->meta
.description
);
453 if (asprintf(&d
, "%s %s", u
->meta
.description
, strstrip(t
)) < 0) {
458 free(u
->meta
.description
);
459 u
->meta
.description
= d
;
461 } else if (state
== LSB
|| state
== LSB_DESCRIPTION
) {
463 if (startswith(t
, "Provides:")) {
469 FOREACH_WORD(w
, z
, t
+9, i
) {
472 if (!(n
= strndup(w
, z
))) {
477 r
= sysv_translate_name(n
, &m
);
486 if (unit_name_to_type(m
) == UNIT_SERVICE
)
487 r
= unit_add_name(u
, m
);
489 if ((r
= unit_add_dependency_by_name_inverse(u
, UNIT_REQUIRES
, m
, NULL
)) >= 0)
490 r
= unit_add_dependency_by_name(u
, UNIT_BEFORE
, m
, NULL
);
499 } else if (startswith(t
, "Required-Start:") ||
500 startswith(t
, "Should-Start:")) {
506 FOREACH_WORD(w
, z
, strchr(t
, ':')+1, i
) {
509 if (!(n
= strndup(w
, z
))) {
514 r
= sysv_translate_name(n
, &m
);
523 r
= unit_add_dependency_by_name(u
, UNIT_AFTER
, m
, NULL
);
529 } else if (startswith(t
, "Default-Start:")) {
534 k
= delete_chars(t
+14, WHITESPACE
"-");
537 if (!(d
= strdup(k
))) {
542 free(s
->sysv_runlevels
);
543 s
->sysv_runlevels
= d
;
546 } else if (startswith(t
, "Description:")) {
549 state
= LSB_DESCRIPTION
;
551 if (!(d
= strdup(strstrip(t
+12)))) {
556 free(u
->meta
.description
);
557 u
->meta
.description
= d
;
559 } else if (startswith(t
, "Short-Description:") &&
560 !u
->meta
.description
) {
563 /* We use the short description only
564 * if no long description is set. */
568 if (!(d
= strdup(strstrip(t
+18)))) {
573 u
->meta
.description
= d
;
575 } else if (state
== LSB_DESCRIPTION
) {
577 if (startswith(l
, "#\t") || startswith(l
, "# ")) {
580 assert(u
->meta
.description
);
581 if (asprintf(&d
, "%s %s", u
->meta
.description
, t
) < 0) {
586 free(u
->meta
.description
);
587 u
->meta
.description
= d
;
594 /* If init scripts have no LSB header, then we enforce the
595 * ordering via the chkconfig priorities. We try to determine
596 * a priority for *all* init scripts here, since they are
597 * needed as soon as at least one non-LSB script is used. */
599 if (s
->sysv_start_priority
< 0) {
600 log_debug("%s has no chkconfig header, trying to determine SysV priority from link farm.", u
->meta
.id
);
602 if ((r
= priority_from_rcd(s
, file_name_from_path(path
))) < 0)
605 if (s
->sysv_start_priority
< 0)
606 log_warning("%s has neither a chkconfig header nor a directory link, cannot order unit!", u
->meta
.id
);
609 if ((r
= sysv_exec_commands(s
)) < 0)
612 if (!s
->sysv_runlevels
|| chars_intersect("12345", s
->sysv_runlevels
)) {
613 /* If there a runlevels configured for this service
614 * but none of the standard ones, then we assume this
615 * is some special kind of service (which might be
616 * needed for early boot) and don't create any links
619 if ((r
= unit_add_dependency_by_name(u
, UNIT_REQUIRES
, SPECIAL_BASIC_TARGET
, NULL
)) < 0 ||
620 (r
= unit_add_dependency_by_name(u
, UNIT_AFTER
, SPECIAL_BASIC_TARGET
, NULL
)) < 0)
624 /* Special setting for all SysV services */
625 s
->valid_no_process
= true;
627 /* Don't timeout special services during boot (like fsck) */
628 if (s
->sysv_runlevels
&& !chars_intersect("12345", s
->sysv_runlevels
))
629 s
->timeout_usec
= -1;
631 u
->meta
.load_state
= UNIT_LOADED
;
642 static int service_load_sysv_name(Service
*s
, const char *name
) {
648 STRV_FOREACH(p
, UNIT(s
)->meta
.manager
->sysvinit_path
) {
652 if (asprintf(&path
, "%s/%s", *p
, name
) < 0)
655 assert(endswith(path
, ".service"));
656 path
[strlen(path
)-8] = 0;
658 r
= service_load_sysv_path(s
, path
);
664 if ((UNIT(s
)->meta
.load_state
!= UNIT_STUB
))
671 static int service_load_sysv(Service
*s
) {
678 /* Load service data from SysV init scripts, preferably with
681 if (strv_isempty(UNIT(s
)->meta
.manager
->sysvinit_path
))
684 if ((t
= UNIT(s
)->meta
.id
))
685 if ((r
= service_load_sysv_name(s
, t
)) < 0)
688 if (UNIT(s
)->meta
.load_state
== UNIT_STUB
)
689 SET_FOREACH(t
, UNIT(s
)->meta
.names
, i
) {
690 if (t
== UNIT(s
)->meta
.id
)
693 if ((r
== service_load_sysv_name(s
, t
)) < 0)
696 if (UNIT(s
)->meta
.load_state
!= UNIT_STUB
)
703 static void service_init(Unit
*u
) {
704 Service
*s
= SERVICE(u
);
707 assert(u
->meta
.load_state
== UNIT_STUB
);
712 s
->timeout_usec
= DEFAULT_TIMEOUT_USEC
;
713 s
->restart_usec
= DEFAULT_RESTART_USEC
;
715 exec_context_init(&s
->exec_context
);
717 s
->timer_watch
.type
= WATCH_INVALID
;
719 s
->state
= SERVICE_DEAD
;
721 s
->sysv_start_priority
= -1;
722 s
->permissions_start_only
= false;
723 s
->root_directory_start_only
= false;
724 s
->valid_no_process
= false;
726 s
->sysv_has_lsb
= false;
727 s
->main_pid
= s
->control_pid
= 0;
728 s
->main_pid_known
= false;
731 RATELIMIT_INIT(s
->ratelimit
, 10*USEC_PER_SEC
, 5);
734 static int service_verify(Service
*s
) {
737 if (UNIT(s
)->meta
.load_state
!= UNIT_LOADED
)
740 if (!s
->exec_command
[SERVICE_EXEC_START
]) {
741 log_error("%s lacks ExecStart setting. Refusing.", UNIT(s
)->meta
.id
);
748 static int service_load(Unit
*u
) {
750 Service
*s
= SERVICE(u
);
754 /* Load a .service file */
755 if ((r
= unit_load_fragment(u
)) < 0)
758 /* Load a classic init script as a fallback, if we couldn't find anything */
759 if (u
->meta
.load_state
== UNIT_STUB
)
760 if ((r
= service_load_sysv(s
)) < 0)
763 /* Still nothing found? Then let's give up */
764 if (u
->meta
.load_state
== UNIT_STUB
)
767 /* We were able to load something, then let's add in the
768 * dropin directories. */
769 if ((r
= unit_load_dropin(unit_follow_merge(u
))) < 0)
772 /* This is a new unit? Then let's add in some extras */
773 if (u
->meta
.load_state
== UNIT_LOADED
) {
774 if ((r
= unit_add_exec_dependencies(u
, &s
->exec_context
)) < 0)
777 if ((r
= unit_add_default_cgroup(u
)) < 0)
780 if ((r
= sysv_chkconfig_order(s
)) < 0)
784 return service_verify(s
);
787 static void service_dump(Unit
*u
, FILE *f
, const char *prefix
) {
789 ServiceExecCommand c
;
790 Service
*s
= SERVICE(u
);
796 p2
= strappend(prefix
, "\t");
797 prefix2
= p2
? p2
: prefix
;
800 "%sService State: %s\n"
801 "%sPermissionsStartOnly: %s\n"
802 "%sRootDirectoryStartOnly: %s\n"
803 "%sValidNoProcess: %s\n"
806 prefix
, service_state_to_string(s
->state
),
807 prefix
, yes_no(s
->permissions_start_only
),
808 prefix
, yes_no(s
->root_directory_start_only
),
809 prefix
, yes_no(s
->valid_no_process
),
810 prefix
, kill_mode_to_string(s
->kill_mode
),
811 prefix
, service_type_to_string(s
->type
));
813 if (s
->control_pid
> 0)
815 "%sControl PID: %llu\n",
816 prefix
, (unsigned long long) s
->control_pid
);
820 "%sMain PID: %llu\n",
821 prefix
, (unsigned long long) s
->main_pid
);
826 prefix
, s
->pid_file
);
828 exec_context_dump(&s
->exec_context
, f
, prefix
);
830 for (c
= 0; c
< _SERVICE_EXEC_COMMAND_MAX
; c
++) {
832 if (!s
->exec_command
[c
])
835 fprintf(f
, "%s→ %s:\n",
836 prefix
, service_exec_command_to_string(c
));
838 exec_command_dump_list(s
->exec_command
[c
], f
, prefix2
);
843 "%sSysV Init Script Path: %s\n"
844 "%sSysV Init Script has LSB Header: %s\n",
845 prefix
, s
->sysv_path
,
846 prefix
, yes_no(s
->sysv_has_lsb
));
848 if (s
->sysv_start_priority
>= 0)
850 "%sSysVStartPriority: %i\n",
851 prefix
, s
->sysv_start_priority
);
853 if (s
->sysv_runlevels
)
854 fprintf(f
, "%sSysVRunLevels: %s\n",
855 prefix
, s
->sysv_runlevels
);
860 static int service_load_pid_file(Service
*s
) {
867 if (s
->main_pid_known
)
870 assert(s
->main_pid
<= 0);
875 if ((r
= read_one_line_file(s
->pid_file
, &k
)) < 0)
878 if ((r
= safe_atolu(k
, &p
)) < 0) {
883 if ((unsigned long) (pid_t
) p
!= p
)
886 if (kill((pid_t
) p
, 0) < 0 && errno
!= EPERM
) {
887 log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.",
888 (unsigned long long) p
, s
->pid_file
);
892 if ((r
= unit_watch_pid(UNIT(s
), (pid_t
) p
)) < 0)
893 /* FIXME: we need to do something here */
896 s
->main_pid
= (pid_t
) p
;
897 s
->main_pid_known
= true;
902 static int service_get_sockets(Service
*s
, Set
**_set
) {
911 /* Collects all Socket objects that belong to this
912 * service. Note that a service might have multiple sockets
913 * via multiple names. */
915 if (!(set
= set_new(NULL
, NULL
)))
918 SET_FOREACH(t
, UNIT(s
)->meta
.names
, i
) {
922 /* Look for all socket objects that go by any of our
923 * units and collect their fds */
925 if (!(k
= unit_name_change_suffix(t
, ".socket"))) {
930 p
= manager_get_unit(UNIT(s
)->meta
.manager
, k
);
935 if ((r
= set_put(set
, p
)) < 0)
948 static int service_notify_sockets_dead(Service
*s
) {
956 /* Notifies all our sockets when we die */
958 if ((r
= service_get_sockets(s
, &set
)) < 0)
961 SET_FOREACH(sock
, set
, i
)
962 socket_notify_service_dead(sock
);
969 static void service_set_state(Service
*s
, ServiceState state
) {
970 ServiceState old_state
;
973 old_state
= s
->state
;
976 if (state
!= SERVICE_START_PRE
&&
977 state
!= SERVICE_START
&&
978 state
!= SERVICE_START_POST
&&
979 state
!= SERVICE_RELOAD
&&
980 state
!= SERVICE_STOP
&&
981 state
!= SERVICE_STOP_SIGTERM
&&
982 state
!= SERVICE_STOP_SIGKILL
&&
983 state
!= SERVICE_STOP_POST
&&
984 state
!= SERVICE_FINAL_SIGTERM
&&
985 state
!= SERVICE_FINAL_SIGKILL
&&
986 state
!= SERVICE_AUTO_RESTART
)
987 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
989 if (state
!= SERVICE_START
&&
990 state
!= SERVICE_START_POST
&&
991 state
!= SERVICE_RUNNING
&&
992 state
!= SERVICE_RELOAD
&&
993 state
!= SERVICE_STOP
&&
994 state
!= SERVICE_STOP_SIGTERM
&&
995 state
!= SERVICE_STOP_SIGKILL
)
996 service_unwatch_main_pid(s
);
998 if (state
!= SERVICE_START_PRE
&&
999 state
!= SERVICE_START
&&
1000 state
!= SERVICE_START_POST
&&
1001 state
!= SERVICE_RELOAD
&&
1002 state
!= SERVICE_STOP
&&
1003 state
!= SERVICE_STOP_SIGTERM
&&
1004 state
!= SERVICE_STOP_SIGKILL
&&
1005 state
!= SERVICE_STOP_POST
&&
1006 state
!= SERVICE_FINAL_SIGTERM
&&
1007 state
!= SERVICE_FINAL_SIGKILL
) {
1008 service_unwatch_control_pid(s
);
1009 s
->control_command
= NULL
;
1012 if (state
== SERVICE_DEAD
||
1013 state
== SERVICE_STOP
||
1014 state
== SERVICE_STOP_SIGTERM
||
1015 state
== SERVICE_STOP_SIGKILL
||
1016 state
== SERVICE_STOP_POST
||
1017 state
== SERVICE_FINAL_SIGTERM
||
1018 state
== SERVICE_FINAL_SIGKILL
||
1019 state
== SERVICE_MAINTAINANCE
||
1020 state
== SERVICE_AUTO_RESTART
)
1021 service_notify_sockets_dead(s
);
1023 if (old_state
!= state
)
1024 log_debug("%s changed %s → %s", UNIT(s
)->meta
.id
, service_state_to_string(old_state
), service_state_to_string(state
));
1026 unit_notify(UNIT(s
), state_translation_table
[old_state
], state_translation_table
[state
]);
1029 static int service_collect_fds(Service
*s
, int **fds
, unsigned *n_fds
) {
1033 unsigned rn_fds
= 0;
1041 if ((r
= service_get_sockets(s
, &set
)) < 0)
1044 SET_FOREACH(sock
, set
, i
) {
1048 if ((r
= socket_collect_fds(sock
, &cfds
, &cn_fds
)) < 0)
1060 if (!(t
= new(int, rn_fds
+cn_fds
))) {
1066 memcpy(t
, rfds
, rn_fds
);
1067 memcpy(t
+rn_fds
, cfds
, cn_fds
);
1072 rn_fds
= rn_fds
+cn_fds
;
1090 static int service_spawn(
1095 bool apply_permissions
,
1110 if ((r
= service_collect_fds(s
, &fds
, &n_fds
)) < 0)
1114 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
1117 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
1119 if (!(argv
= unit_full_printf_strv(UNIT(s
), c
->argv
))) {
1130 UNIT(s
)->meta
.manager
->confirm_spawn
,
1131 UNIT(s
)->meta
.cgroup_bondings
,
1138 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
1139 /* FIXME: we need to do something here */
1151 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
1156 static int main_pid_good(Service
*s
) {
1159 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1162 /* If we know the pid file, then lets just check if it is
1164 if (s
->main_pid_known
)
1165 return s
->main_pid
> 0;
1167 /* We don't know the pid */
1171 static int control_pid_good(Service
*s
) {
1174 return s
->control_pid
> 0;
1177 static int cgroup_good(Service
*s
) {
1182 if (s
->valid_no_process
)
1185 if ((r
= cgroup_bonding_is_empty_list(UNIT(s
)->meta
.cgroup_bondings
)) < 0)
1191 static void service_enter_dead(Service
*s
, bool success
, bool allow_restart
) {
1198 if (allow_restart
&&
1199 (s
->restart
== SERVICE_RESTART_ALWAYS
||
1200 (s
->restart
== SERVICE_RESTART_ON_SUCCESS
&& !s
->failure
))) {
1202 if ((r
= unit_watch_timer(UNIT(s
), s
->restart_usec
, &s
->timer_watch
)) < 0)
1205 service_set_state(s
, SERVICE_AUTO_RESTART
);
1207 service_set_state(s
, s
->failure
? SERVICE_MAINTAINANCE
: SERVICE_DEAD
);
1212 log_warning("%s failed to run install restart timer: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1213 service_enter_dead(s
, false, false);
1216 static void service_enter_signal(Service
*s
, ServiceState state
, bool success
);
1218 static void service_enter_stop_post(Service
*s
, bool success
) {
1225 service_unwatch_control_pid(s
);
1227 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_STOP_POST
])) {
1228 if ((r
= service_spawn(s
,
1232 !s
->permissions_start_only
,
1233 !s
->root_directory_start_only
,
1234 &s
->control_pid
)) < 0)
1238 service_set_state(s
, SERVICE_STOP_POST
);
1240 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, true);
1245 log_warning("%s failed to run stop-post executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1246 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1249 static void service_enter_signal(Service
*s
, ServiceState state
, bool success
) {
1258 if (s
->kill_mode
!= KILL_NONE
) {
1259 int sig
= (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_FINAL_SIGTERM
) ? SIGTERM
: SIGKILL
;
1261 if (s
->kill_mode
== KILL_CONTROL_GROUP
) {
1263 if ((r
= cgroup_bonding_kill_list(UNIT(s
)->meta
.cgroup_bondings
, sig
)) < 0) {
1264 if (r
!= -EAGAIN
&& r
!= -ESRCH
)
1273 if (s
->main_pid
> 0) {
1274 if (kill(s
->kill_mode
== KILL_PROCESS
? s
->main_pid
: -s
->main_pid
, sig
) < 0 && errno
!= ESRCH
)
1280 if (s
->control_pid
> 0) {
1281 if (kill(s
->kill_mode
== KILL_PROCESS
? s
->control_pid
: -s
->control_pid
, sig
) < 0 && errno
!= ESRCH
)
1293 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
1296 service_set_state(s
, state
);
1297 } else if (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_STOP_SIGKILL
)
1298 service_enter_stop_post(s
, true);
1300 service_enter_dead(s
, true, true);
1305 log_warning("%s failed to kill processes: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1307 if (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_STOP_SIGKILL
)
1308 service_enter_stop_post(s
, false);
1310 service_enter_dead(s
, false, true);
1313 static void service_enter_stop(Service
*s
, bool success
) {
1320 service_unwatch_control_pid(s
);
1322 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_STOP
])) {
1323 if ((r
= service_spawn(s
,
1327 !s
->permissions_start_only
,
1328 !s
->root_directory_start_only
,
1329 &s
->control_pid
)) < 0)
1332 service_set_state(s
, SERVICE_STOP
);
1334 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, true);
1339 log_warning("%s failed to run stop executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1340 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
1343 static void service_enter_running(Service
*s
, bool success
) {
1349 if (main_pid_good(s
) != 0 && cgroup_good(s
) != 0)
1350 service_set_state(s
, SERVICE_RUNNING
);
1351 else if (s
->valid_no_process
)
1352 service_set_state(s
, SERVICE_EXITED
);
1354 service_enter_stop(s
, true);
1357 static void service_enter_start_post(Service
*s
) {
1361 service_unwatch_control_pid(s
);
1363 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_START_POST
])) {
1364 if ((r
= service_spawn(s
,
1368 !s
->permissions_start_only
,
1369 !s
->root_directory_start_only
,
1370 &s
->control_pid
)) < 0)
1374 service_set_state(s
, SERVICE_START_POST
);
1376 service_enter_running(s
, true);
1381 log_warning("%s failed to run start-post executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1382 service_enter_stop(s
, false);
1385 static void service_enter_start(Service
*s
) {
1391 assert(s
->exec_command
[SERVICE_EXEC_START
]);
1392 assert(!s
->exec_command
[SERVICE_EXEC_START
]->command_next
);
1394 if (s
->type
== SERVICE_FORKING
)
1395 service_unwatch_control_pid(s
);
1397 service_unwatch_main_pid(s
);
1399 if ((r
= service_spawn(s
,
1400 s
->exec_command
[SERVICE_EXEC_START
],
1401 s
->type
== SERVICE_FORKING
,
1408 if (s
->type
== SERVICE_SIMPLE
) {
1409 /* For simple services we immediately start
1410 * the START_POST binaries. */
1413 s
->main_pid_known
= true;
1415 service_enter_start_post(s
);
1417 } else if (s
->type
== SERVICE_FORKING
) {
1419 /* For forking services we wait until the start
1420 * process exited. */
1422 s
->control_pid
= pid
;
1424 s
->control_command
= s
->exec_command
[SERVICE_EXEC_START
];
1425 service_set_state(s
, SERVICE_START
);
1427 } else if (s
->type
== SERVICE_FINISH
) {
1429 /* For finishing services we wait until the start
1430 * process exited, too, but it is our main process. */
1433 s
->main_pid_known
= true;
1435 s
->control_command
= s
->exec_command
[SERVICE_EXEC_START
];
1436 service_set_state(s
, SERVICE_START
);
1438 assert_not_reached("Unknown service type");
1443 log_warning("%s failed to run start exectuable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1444 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1447 static void service_enter_start_pre(Service
*s
) {
1452 service_unwatch_control_pid(s
);
1454 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_START_PRE
])) {
1455 if ((r
= service_spawn(s
,
1459 !s
->permissions_start_only
,
1460 !s
->root_directory_start_only
,
1461 &s
->control_pid
)) < 0)
1464 service_set_state(s
, SERVICE_START_PRE
);
1466 service_enter_start(s
);
1471 log_warning("%s failed to run start-pre executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1472 service_enter_dead(s
, false, true);
1475 static void service_enter_restart(Service
*s
) {
1479 service_enter_dead(s
, true, false);
1481 if ((r
= manager_add_job(UNIT(s
)->meta
.manager
, JOB_START
, UNIT(s
), JOB_FAIL
, false, NULL
)) < 0)
1484 log_debug("%s scheduled restart job.", UNIT(s
)->meta
.id
);
1489 log_warning("%s failed to schedule restart job: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1490 service_enter_dead(s
, false, false);
1493 static void service_enter_reload(Service
*s
) {
1498 service_unwatch_control_pid(s
);
1500 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_RELOAD
])) {
1501 if ((r
= service_spawn(s
,
1505 !s
->permissions_start_only
,
1506 !s
->root_directory_start_only
,
1507 &s
->control_pid
)) < 0)
1510 service_set_state(s
, SERVICE_RELOAD
);
1512 service_enter_running(s
, true);
1517 log_warning("%s failed to run reload executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1518 service_enter_stop(s
, false);
1521 static void service_run_next(Service
*s
, bool success
) {
1525 assert(s
->control_command
);
1526 assert(s
->control_command
->command_next
);
1531 s
->control_command
= s
->control_command
->command_next
;
1533 service_unwatch_control_pid(s
);
1535 if ((r
= service_spawn(s
,
1539 !s
->permissions_start_only
,
1540 !s
->root_directory_start_only
,
1541 &s
->control_pid
)) < 0)
1547 log_warning("%s failed to run spawn next executable: %s", UNIT(s
)->meta
.id
, strerror(-r
));
1549 if (s
->state
== SERVICE_START_PRE
)
1550 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1551 else if (s
->state
== SERVICE_STOP
)
1552 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
1553 else if (s
->state
== SERVICE_STOP_POST
)
1554 service_enter_dead(s
, false, true);
1556 service_enter_stop(s
, false);
1559 static int service_start(Unit
*u
) {
1560 Service
*s
= SERVICE(u
);
1564 /* We cannot fulfill this request right now, try again later
1566 if (s
->state
== SERVICE_STOP
||
1567 s
->state
== SERVICE_STOP_SIGTERM
||
1568 s
->state
== SERVICE_STOP_SIGKILL
||
1569 s
->state
== SERVICE_STOP_POST
||
1570 s
->state
== SERVICE_FINAL_SIGTERM
||
1571 s
->state
== SERVICE_FINAL_SIGKILL
)
1574 /* Already on it! */
1575 if (s
->state
== SERVICE_START_PRE
||
1576 s
->state
== SERVICE_START
||
1577 s
->state
== SERVICE_START_POST
)
1580 assert(s
->state
== SERVICE_DEAD
|| s
->state
== SERVICE_MAINTAINANCE
|| s
->state
== SERVICE_AUTO_RESTART
);
1582 /* Make sure we don't enter a busy loop of some kind. */
1583 if (!ratelimit_test(&s
->ratelimit
)) {
1584 log_warning("%s start request repeated too quickly, refusing to start.", u
->meta
.id
);
1589 s
->main_pid_known
= false;
1591 service_enter_start_pre(s
);
1595 static int service_stop(Unit
*u
) {
1596 Service
*s
= SERVICE(u
);
1600 /* Cannot do this now */
1601 if (s
->state
== SERVICE_START_PRE
||
1602 s
->state
== SERVICE_START
||
1603 s
->state
== SERVICE_START_POST
||
1604 s
->state
== SERVICE_RELOAD
)
1608 if (s
->state
== SERVICE_STOP
||
1609 s
->state
== SERVICE_STOP_SIGTERM
||
1610 s
->state
== SERVICE_STOP_SIGKILL
||
1611 s
->state
== SERVICE_STOP_POST
||
1612 s
->state
== SERVICE_FINAL_SIGTERM
||
1613 s
->state
== SERVICE_FINAL_SIGKILL
)
1616 if (s
->state
== SERVICE_AUTO_RESTART
) {
1617 service_set_state(s
, SERVICE_DEAD
);
1621 assert(s
->state
== SERVICE_RUNNING
|| s
->state
== SERVICE_EXITED
);
1623 service_enter_stop(s
, true);
1627 static int service_reload(Unit
*u
) {
1628 Service
*s
= SERVICE(u
);
1632 assert(s
->state
== SERVICE_RUNNING
|| s
->state
== SERVICE_EXITED
);
1634 service_enter_reload(s
);
1638 static bool service_can_reload(Unit
*u
) {
1639 Service
*s
= SERVICE(u
);
1643 return !!s
->exec_command
[SERVICE_EXEC_RELOAD
];
1646 static UnitActiveState
service_active_state(Unit
*u
) {
1649 return state_translation_table
[SERVICE(u
)->state
];
1652 static const char *service_sub_state_to_string(Unit
*u
) {
1655 return service_state_to_string(SERVICE(u
)->state
);
1658 static void service_sigchld_event(Unit
*u
, pid_t pid
, int code
, int status
) {
1659 Service
*s
= SERVICE(u
);
1665 success
= code
== CLD_EXITED
&& status
== 0;
1666 s
->failure
= s
->failure
|| !success
;
1668 if (s
->main_pid
== pid
) {
1670 exec_status_fill(&s
->main_exec_status
, pid
, code
, status
);
1673 if (s
->type
== SERVICE_SIMPLE
|| s
->type
== SERVICE_FINISH
) {
1674 assert(s
->exec_command
[SERVICE_EXEC_START
]);
1675 s
->exec_command
[SERVICE_EXEC_START
]->exec_status
= s
->main_exec_status
;
1678 log_debug("%s: main process exited, code=%s, status=%i", u
->meta
.id
, sigchld_code_to_string(code
), status
);
1680 /* The service exited, so the service is officially
1685 case SERVICE_START_POST
:
1686 case SERVICE_RELOAD
:
1688 /* Need to wait until the operation is
1693 assert(s
->type
== SERVICE_FINISH
);
1695 /* This was our main goal, so let's go on */
1697 service_enter_start_post(s
);
1699 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1702 case SERVICE_RUNNING
:
1703 service_enter_running(s
, success
);
1706 case SERVICE_STOP_SIGTERM
:
1707 case SERVICE_STOP_SIGKILL
:
1709 if (!control_pid_good(s
))
1710 service_enter_stop_post(s
, success
);
1712 /* If there is still a control process, wait for that first */
1716 assert_not_reached("Uh, main process died at wrong time.");
1719 } else if (s
->control_pid
== pid
) {
1720 assert(s
->control_command
);
1722 exec_status_fill(&s
->control_command
->exec_status
, pid
, code
, status
);
1725 log_debug("%s: control process exited, code=%s status=%i", u
->meta
.id
, sigchld_code_to_string(code
), status
);
1727 /* If we are shutting things down anyway we
1728 * don't care about failing commands. */
1730 if (s
->control_command
->command_next
&& success
) {
1732 /* There is another command to *
1733 * execute, so let's do that. */
1735 log_debug("%s running next command for state %s", u
->meta
.id
, service_state_to_string(s
->state
));
1736 service_run_next(s
, success
);
1739 /* No further commands for this step, so let's
1740 * figure out what to do next */
1742 log_debug("%s got final SIGCHLD for state %s", u
->meta
.id
, service_state_to_string(s
->state
));
1746 case SERVICE_START_PRE
:
1748 service_enter_start(s
);
1750 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1754 assert(s
->type
== SERVICE_FORKING
);
1756 /* Let's try to load the pid
1757 * file here if we can. We
1758 * ignore the return value,
1759 * since the PID file might
1760 * actually be created by a
1761 * START_POST script */
1765 service_load_pid_file(s
);
1767 service_enter_start_post(s
);
1769 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1773 case SERVICE_START_POST
:
1774 if (success
&& s
->pid_file
&& !s
->main_pid_known
) {
1777 /* Hmm, let's see if we can
1778 * load the pid now after the
1779 * start-post scripts got
1782 if ((r
= service_load_pid_file(s
)) < 0)
1783 log_warning("%s: failed to load PID file %s: %s", UNIT(s
)->meta
.id
, s
->pid_file
, strerror(-r
));
1788 case SERVICE_RELOAD
:
1790 service_enter_running(s
, true);
1792 service_enter_stop(s
, false);
1797 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, success
);
1800 case SERVICE_STOP_SIGTERM
:
1801 case SERVICE_STOP_SIGKILL
:
1802 if (main_pid_good(s
) <= 0)
1803 service_enter_stop_post(s
, success
);
1805 /* If there is still a service
1806 * process around, wait until
1807 * that one quit, too */
1810 case SERVICE_STOP_POST
:
1811 case SERVICE_FINAL_SIGTERM
:
1812 case SERVICE_FINAL_SIGKILL
:
1813 service_enter_dead(s
, success
, true);
1817 assert_not_reached("Uh, control process died at wrong time.");
1821 assert_not_reached("Got SIGCHLD for unkown PID");
1824 static void service_timer_event(Unit
*u
, uint64_t elapsed
, Watch
* w
) {
1825 Service
*s
= SERVICE(u
);
1828 assert(elapsed
== 1);
1830 assert(w
== &s
->timer_watch
);
1834 case SERVICE_START_PRE
:
1836 log_warning("%s operation timed out. Terminating.", u
->meta
.id
);
1837 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1840 case SERVICE_START_POST
:
1841 case SERVICE_RELOAD
:
1842 log_warning("%s operation timed out. Stopping.", u
->meta
.id
);
1843 service_enter_stop(s
, false);
1847 log_warning("%s stopping timed out. Terminating.", u
->meta
.id
);
1848 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
1851 case SERVICE_STOP_SIGTERM
:
1852 log_warning("%s stopping timed out. Killing.", u
->meta
.id
);
1853 service_enter_signal(s
, SERVICE_STOP_SIGKILL
, false);
1856 case SERVICE_STOP_SIGKILL
:
1857 /* Uh, wie sent a SIGKILL and it is still not gone?
1858 * Must be something we cannot kill, so let's just be
1859 * weirded out and continue */
1861 log_warning("%s still around after SIGKILL. Ignoring.", u
->meta
.id
);
1862 service_enter_stop_post(s
, false);
1865 case SERVICE_STOP_POST
:
1866 log_warning("%s stopping timed out (2). Terminating.", u
->meta
.id
);
1867 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1870 case SERVICE_FINAL_SIGTERM
:
1871 log_warning("%s stopping timed out (2). Killing.", u
->meta
.id
);
1872 service_enter_signal(s
, SERVICE_FINAL_SIGKILL
, false);
1875 case SERVICE_FINAL_SIGKILL
:
1876 log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u
->meta
.id
);
1877 service_enter_dead(s
, false, true);
1880 case SERVICE_AUTO_RESTART
:
1881 log_debug("%s holdoff time over, scheduling restart.", u
->meta
.id
);
1882 service_enter_restart(s
);
1886 assert_not_reached("Timeout at wrong time.");
1890 static void service_cgroup_notify_event(Unit
*u
) {
1891 Service
*s
= SERVICE(u
);
1895 log_debug("%s: cgroup is empty", u
->meta
.id
);
1899 /* Waiting for SIGCHLD is usually more interesting,
1900 * because it includes return codes/signals. Which is
1901 * why we ignore the cgroup events for most cases,
1902 * except when we don't know pid which to expect the
1905 case SERVICE_RUNNING
:
1906 service_enter_running(s
, true);
1914 static int service_enumerate(Manager
*m
) {
1918 char *path
= NULL
, *fpath
= NULL
, *name
= NULL
;
1923 STRV_FOREACH(p
, m
->sysvrcnd_path
)
1924 for (i
= 0; i
< ELEMENTSOF(rcnd_table
); i
+= 2) {
1929 if (asprintf(&path
, "%s/%s", *p
, rcnd_table
[i
]) < 0) {
1937 if (!(d
= opendir(path
))) {
1938 if (errno
!= ENOENT
)
1939 log_warning("opendir() failed on %s: %s", path
, strerror(errno
));
1944 while ((de
= readdir(d
))) {
1945 Unit
*runlevel
, *service
;
1947 if (ignore_file(de
->d_name
))
1950 if (de
->d_name
[0] != 'S' && de
->d_name
[0] != 'K')
1953 if (strlen(de
->d_name
) < 4)
1958 if (asprintf(&fpath
, "%s/%s/%s", *p
, rcnd_table
[i
], de
->d_name
) < 0) {
1963 if (access(fpath
, X_OK
) < 0) {
1965 if (errno
!= ENOENT
)
1966 log_warning("access() failed on %s: %s", fpath
, strerror(errno
));
1973 if (asprintf(&name
, "%s.service", de
->d_name
+3) < 0) {
1978 if ((r
= manager_load_unit(m
, name
, NULL
, &service
)) < 0)
1981 if ((r
= manager_load_unit(m
, rcnd_table
[i
+1], NULL
, &runlevel
)) < 0)
1984 if (de
->d_name
[0] == 'S') {
1985 if ((r
= unit_add_dependency(runlevel
, UNIT_WANTS
, service
)) < 0)
1988 if ((r
= unit_add_dependency(runlevel
, UNIT_AFTER
, service
)) < 0)
1991 } else if (de
->d_name
[0] == 'K' &&
1992 (streq(rcnd_table
[i
+1], SPECIAL_RUNLEVEL0_TARGET
) ||
1993 streq(rcnd_table
[i
+1], SPECIAL_RUNLEVEL6_TARGET
))) {
1995 /* We honour K links only for
1996 * halt/reboot. For the normal
1997 * runlevels we assume the
1999 * implicitly added by the
2002 if ((r
= unit_add_dependency(runlevel
, UNIT_CONFLICTS
, service
)) < 0)
2005 if ((r
= unit_add_dependency(runlevel
, UNIT_BEFORE
, service
)) < 0)
2022 static const char* const service_state_table
[_SERVICE_STATE_MAX
] = {
2023 [SERVICE_DEAD
] = "dead",
2024 [SERVICE_START_PRE
] = "start-pre",
2025 [SERVICE_START
] = "start",
2026 [SERVICE_START_POST
] = "start-post",
2027 [SERVICE_RUNNING
] = "running",
2028 [SERVICE_EXITED
] = "exited",
2029 [SERVICE_RELOAD
] = "reload",
2030 [SERVICE_STOP
] = "stop",
2031 [SERVICE_STOP_SIGTERM
] = "stop-sigterm",
2032 [SERVICE_STOP_SIGKILL
] = "stop-sigkill",
2033 [SERVICE_STOP_POST
] = "stop-post",
2034 [SERVICE_FINAL_SIGTERM
] = "final-sigterm",
2035 [SERVICE_FINAL_SIGKILL
] = "final-sigkill",
2036 [SERVICE_MAINTAINANCE
] = "maintainance",
2037 [SERVICE_AUTO_RESTART
] = "auto-restart",
2040 DEFINE_STRING_TABLE_LOOKUP(service_state
, ServiceState
);
2042 static const char* const service_restart_table
[_SERVICE_RESTART_MAX
] = {
2043 [SERVICE_ONCE
] = "once",
2044 [SERVICE_RESTART_ON_SUCCESS
] = "restart-on-success",
2045 [SERVICE_RESTART_ALWAYS
] = "restart-always",
2048 DEFINE_STRING_TABLE_LOOKUP(service_restart
, ServiceRestart
);
2050 static const char* const service_type_table
[_SERVICE_TYPE_MAX
] = {
2051 [SERVICE_FORKING
] = "forking",
2052 [SERVICE_SIMPLE
] = "simple",
2053 [SERVICE_FINISH
] = "finish"
2056 DEFINE_STRING_TABLE_LOOKUP(service_type
, ServiceType
);
2058 static const char* const service_exec_command_table
[_SERVICE_EXEC_COMMAND_MAX
] = {
2059 [SERVICE_EXEC_START_PRE
] = "ExecStartPre",
2060 [SERVICE_EXEC_START
] = "ExecStart",
2061 [SERVICE_EXEC_START_POST
] = "ExecStartPost",
2062 [SERVICE_EXEC_RELOAD
] = "ExecReload",
2063 [SERVICE_EXEC_STOP
] = "ExecStop",
2064 [SERVICE_EXEC_STOP_POST
] = "ExecStopPost",
2067 DEFINE_STRING_TABLE_LOOKUP(service_exec_command
, ServiceExecCommand
);
2069 const UnitVTable service_vtable
= {
2070 .suffix
= ".service",
2072 .init
= service_init
,
2073 .load
= service_load
,
2074 .done
= service_done
,
2076 .dump
= service_dump
,
2078 .start
= service_start
,
2079 .stop
= service_stop
,
2080 .reload
= service_reload
,
2082 .can_reload
= service_can_reload
,
2084 .active_state
= service_active_state
,
2085 .sub_state_to_string
= service_sub_state_to_string
,
2087 .sigchld_event
= service_sigchld_event
,
2088 .timer_event
= service_timer_event
,
2090 .cgroup_notify_empty
= service_cgroup_notify_event
,
2092 .enumerate
= service_enumerate