1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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"
34 #include "dbus-service.h"
36 #include "bus-errors.h"
37 #include "exit-status.h"
41 #ifdef HAVE_SYSV_COMPAT
43 #define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
45 typedef enum RunlevelType
{
54 const RunlevelType type
;
56 /* Standard SysV runlevels for start-up */
57 { "rc1.d", SPECIAL_RESCUE_TARGET
, RUNLEVEL_UP
},
58 { "rc2.d", SPECIAL_RUNLEVEL2_TARGET
, RUNLEVEL_UP
},
59 { "rc3.d", SPECIAL_RUNLEVEL3_TARGET
, RUNLEVEL_UP
},
60 { "rc4.d", SPECIAL_RUNLEVEL4_TARGET
, RUNLEVEL_UP
},
61 { "rc5.d", SPECIAL_RUNLEVEL5_TARGET
, RUNLEVEL_UP
},
64 /* SUSE style boot.d */
65 { "boot.d", SPECIAL_SYSINIT_TARGET
, RUNLEVEL_SYSINIT
},
68 #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
69 /* Debian style rcS.d */
70 { "rcS.d", SPECIAL_SYSINIT_TARGET
, RUNLEVEL_SYSINIT
},
73 /* Standard SysV runlevels for shutdown */
74 { "rc0.d", SPECIAL_POWEROFF_TARGET
, RUNLEVEL_DOWN
},
75 { "rc6.d", SPECIAL_REBOOT_TARGET
, RUNLEVEL_DOWN
}
77 /* Note that the order here matters, as we read the
78 directories in this order, and we want to make sure that
79 sysv_start_priority is known when we first load the
80 unit. And that value we only know from S links. Hence
81 UP/SYSINIT must be read before DOWN */
84 #define RUNLEVELS_UP "12345"
85 /* #define RUNLEVELS_DOWN "06" */
86 #define RUNLEVELS_BOOT "bBsS"
89 static const UnitActiveState state_translation_table
[_SERVICE_STATE_MAX
] = {
90 [SERVICE_DEAD
] = UNIT_INACTIVE
,
91 [SERVICE_START_PRE
] = UNIT_ACTIVATING
,
92 [SERVICE_START
] = UNIT_ACTIVATING
,
93 [SERVICE_START_POST
] = UNIT_ACTIVATING
,
94 [SERVICE_RUNNING
] = UNIT_ACTIVE
,
95 [SERVICE_EXITED
] = UNIT_ACTIVE
,
96 [SERVICE_RELOAD
] = UNIT_RELOADING
,
97 [SERVICE_STOP
] = UNIT_DEACTIVATING
,
98 [SERVICE_STOP_SIGTERM
] = UNIT_DEACTIVATING
,
99 [SERVICE_STOP_SIGKILL
] = UNIT_DEACTIVATING
,
100 [SERVICE_STOP_POST
] = UNIT_DEACTIVATING
,
101 [SERVICE_FINAL_SIGTERM
] = UNIT_DEACTIVATING
,
102 [SERVICE_FINAL_SIGKILL
] = UNIT_DEACTIVATING
,
103 [SERVICE_FAILED
] = UNIT_FAILED
,
104 [SERVICE_AUTO_RESTART
] = UNIT_ACTIVATING
107 static void service_init(Unit
*u
) {
108 Service
*s
= SERVICE(u
);
111 assert(u
->load_state
== UNIT_STUB
);
113 s
->timeout_usec
= DEFAULT_TIMEOUT_USEC
;
114 s
->restart_usec
= DEFAULT_RESTART_USEC
;
115 s
->timer_watch
.type
= WATCH_INVALID
;
116 #ifdef HAVE_SYSV_COMPAT
117 s
->sysv_start_priority
= -1;
118 s
->sysv_start_priority_from_rcnd
= -1;
121 s
->guess_main_pid
= true;
123 exec_context_init(&s
->exec_context
);
125 RATELIMIT_INIT(s
->ratelimit
, 10*USEC_PER_SEC
, 5);
127 s
->control_command_id
= _SERVICE_EXEC_COMMAND_INVALID
;
130 static void service_unwatch_control_pid(Service
*s
) {
133 if (s
->control_pid
<= 0)
136 unit_unwatch_pid(UNIT(s
), s
->control_pid
);
140 static void service_unwatch_main_pid(Service
*s
) {
143 if (s
->main_pid
<= 0)
146 unit_unwatch_pid(UNIT(s
), s
->main_pid
);
150 static int service_set_main_pid(Service
*s
, pid_t pid
) {
162 s
->main_pid_known
= true;
164 if (get_parent_of_pid(pid
, &ppid
) >= 0 && ppid
!= getpid()) {
165 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
166 s
->meta
.id
, (unsigned long) pid
);
168 s
->main_pid_alien
= true;
170 s
->main_pid_alien
= false;
172 exec_status_start(&s
->main_exec_status
, pid
);
177 static void service_close_socket_fd(Service
*s
) {
180 if (s
->socket_fd
< 0)
183 close_nointr_nofail(s
->socket_fd
);
187 static void service_connection_unref(Service
*s
) {
190 if (!UNIT_DEREF(s
->accept_socket
))
193 socket_connection_unref(SOCKET(UNIT_DEREF(s
->accept_socket
)));
194 unit_ref_unset(&s
->accept_socket
);
197 static void service_done(Unit
*u
) {
198 Service
*s
= SERVICE(u
);
205 #ifdef HAVE_SYSV_COMPAT
209 free(s
->sysv_runlevels
);
210 s
->sysv_runlevels
= NULL
;
213 free(s
->status_text
);
214 s
->status_text
= NULL
;
216 exec_context_done(&s
->exec_context
);
217 exec_command_free_array(s
->exec_command
, _SERVICE_EXEC_COMMAND_MAX
);
218 s
->control_command
= NULL
;
219 s
->main_command
= NULL
;
221 /* This will leak a process, but at least no memory or any of
223 service_unwatch_main_pid(s
);
224 service_unwatch_control_pid(s
);
227 unit_unwatch_bus_name(u
, s
->bus_name
);
232 service_close_socket_fd(s
);
233 service_connection_unref(s
);
235 unit_ref_unset(&s
->accept_socket
);
237 unit_unwatch_timer(u
, &s
->timer_watch
);
240 #ifdef HAVE_SYSV_COMPAT
241 static char *sysv_translate_name(const char *name
) {
244 if (!(r
= new(char, strlen(name
) + sizeof(".service"))))
247 #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
248 if (endswith(name
, ".sh"))
249 /* Drop Debian-style .sh suffix */
250 strcpy(stpcpy(r
, name
) - 3, ".service");
253 if (startswith(name
, "boot."))
254 /* Drop SuSE-style boot. prefix */
255 strcpy(stpcpy(r
, name
+ 5), ".service");
257 #ifdef TARGET_FRUGALWARE
258 if (startswith(name
, "rc."))
259 /* Drop Frugalware-style rc. prefix */
260 strcpy(stpcpy(r
, name
+ 3), ".service");
263 /* Normal init scripts */
264 strcpy(stpcpy(r
, name
), ".service");
269 static int sysv_translate_facility(const char *name
, const char *filename
, char **_r
) {
271 /* We silently ignore the $ prefix here. According to the LSB
272 * spec it simply indicates whether something is a
273 * standardized name or a distribution-specific one. Since we
274 * just follow what already exists and do not introduce new
275 * uses or names we don't care who introduced a new name. */
277 static const char * const table
[] = {
278 /* LSB defined facilities */
279 "local_fs", SPECIAL_LOCAL_FS_TARGET
,
280 #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
282 /* Due to unfortunate name selection in Mandriva,
283 * $network is provided by network-up which is ordered
284 * after network which actually starts interfaces.
285 * To break the loop, just ignore it */
286 "network", SPECIAL_NETWORK_TARGET
,
288 "named", SPECIAL_NSS_LOOKUP_TARGET
,
289 "portmap", SPECIAL_RPCBIND_TARGET
,
290 "remote_fs", SPECIAL_REMOTE_FS_TARGET
,
291 "syslog", SPECIAL_SYSLOG_TARGET
,
292 "time", SPECIAL_TIME_SYNC_TARGET
,
294 /* common extensions */
295 "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
,
296 "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE
,
299 #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
300 "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
,
304 "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
,
305 "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
,
306 "httpd", SPECIAL_HTTP_DAEMON_TARGET
,
310 "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET
,
321 n
= *name
== '$' ? name
+ 1 : name
;
323 for (i
= 0; i
< ELEMENTSOF(table
); i
+= 2) {
325 if (!streq(table
[i
], n
))
331 if (!(r
= strdup(table
[i
+1])))
337 /* If we don't know this name, fallback heuristics to figure
338 * out whether something is a target or a service alias. */
341 if (!unit_prefix_is_valid(n
))
344 /* Facilities starting with $ are most likely targets */
345 r
= unit_name_build(n
, NULL
, ".target");
346 } else if (filename
&& streq(name
, filename
))
347 /* Names equaling the file name of the services are redundant */
350 /* Everything else we assume to be normal service names */
351 r
= sysv_translate_name(n
);
362 static int sysv_fix_order(Service
*s
) {
368 if (s
->sysv_start_priority
< 0)
371 /* For each pair of services where at least one lacks a LSB
372 * header, we use the start priority value to order things. */
374 LIST_FOREACH(units_by_type
, other
, s
->meta
.manager
->units_by_type
[UNIT_SERVICE
]) {
377 bool special_s
, special_t
;
379 t
= (Service
*) other
;
384 if (t
->meta
.load_state
!= UNIT_LOADED
)
387 if (t
->sysv_start_priority
< 0)
390 /* If both units have modern headers we don't care
391 * about the priorities */
392 if ((s
->meta
.fragment_path
|| s
->sysv_has_lsb
) &&
393 (t
->meta
.fragment_path
|| t
->sysv_has_lsb
))
396 special_s
= s
->sysv_runlevels
&& !chars_intersect(RUNLEVELS_UP
, s
->sysv_runlevels
);
397 special_t
= t
->sysv_runlevels
&& !chars_intersect(RUNLEVELS_UP
, t
->sysv_runlevels
);
399 if (special_t
&& !special_s
)
401 else if (special_s
&& !special_t
)
403 else if (t
->sysv_start_priority
< s
->sysv_start_priority
)
405 else if (t
->sysv_start_priority
> s
->sysv_start_priority
)
410 /* FIXME: Maybe we should compare the name here lexicographically? */
412 if ((r
= unit_add_dependency(UNIT(s
), d
, UNIT(t
), true)) < 0)
419 static ExecCommand
*exec_command_new(const char *path
, const char *arg1
) {
422 if (!(c
= new0(ExecCommand
, 1)))
425 if (!(c
->path
= strdup(path
))) {
430 if (!(c
->argv
= strv_new(path
, arg1
, NULL
))) {
439 static int sysv_exec_commands(Service
*s
) {
443 assert(s
->sysv_path
);
445 if (!(c
= exec_command_new(s
->sysv_path
, "start")))
447 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_START
, c
);
449 if (!(c
= exec_command_new(s
->sysv_path
, "stop")))
451 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_STOP
, c
);
453 if (!(c
= exec_command_new(s
->sysv_path
, "reload")))
455 exec_command_append_list(s
->exec_command
+SERVICE_EXEC_RELOAD
, c
);
460 static int service_load_sysv_path(Service
*s
, const char *path
) {
471 char *short_description
= NULL
, *long_description
= NULL
, *chkconfig_description
= NULL
, *description
;
479 if (!(f
= fopen(path
, "re"))) {
480 r
= errno
== ENOENT
? 0 : -errno
;
485 if (fstat(fileno(f
), &st
) < 0) {
491 if (!(s
->sysv_path
= strdup(path
))) {
496 s
->sysv_mtime
= timespec_load(&st
.st_mtim
);
498 if (null_or_empty(&st
)) {
499 u
->load_state
= UNIT_MASKED
;
505 char l
[LINE_MAX
], *t
;
507 if (!fgets(l
, sizeof(l
), f
)) {
512 log_error("Failed to read configuration file '%s': %s", path
, strerror(-r
));
522 if (state
== NORMAL
&& streq(t
, "### BEGIN INIT INFO")) {
524 s
->sysv_has_lsb
= true;
528 if ((state
== LSB_DESCRIPTION
|| state
== LSB
) && streq(t
, "### END INIT INFO")) {
534 t
+= strspn(t
, WHITESPACE
);
536 if (state
== NORMAL
) {
538 /* Try to parse Red Hat style chkconfig headers */
540 if (startswith_no_case(t
, "chkconfig:")) {
542 char runlevels
[16], *k
;
546 if (sscanf(t
+10, "%15s %i %*i",
548 &start_priority
) != 2) {
550 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path
, line
);
554 /* A start priority gathered from the
555 * symlink farms is preferred over the
556 * data from the LSB header. */
557 if (start_priority
< 0 || start_priority
> 99)
558 log_warning("[%s:%u] Start priority out of range. Ignoring.", path
, line
);
560 s
->sysv_start_priority
= start_priority
;
562 char_array_0(runlevels
);
563 k
= delete_chars(runlevels
, WHITESPACE
"-");
568 if (!(d
= strdup(k
))) {
573 free(s
->sysv_runlevels
);
574 s
->sysv_runlevels
= d
;
577 } else if (startswith_no_case(t
, "description:")) {
579 size_t k
= strlen(t
);
583 if (t
[k
-1] == '\\') {
588 if ((j
= strstrip(t
+12)) && *j
) {
589 if (!(d
= strdup(j
))) {
596 free(chkconfig_description
);
597 chkconfig_description
= d
;
599 } else if (startswith_no_case(t
, "pidfile:")) {
606 if (!path_is_absolute(fn
)) {
607 log_warning("[%s:%u] PID file not absolute. Ignoring.", path
, line
);
611 if (!(fn
= strdup(fn
))) {
620 } else if (state
== DESCRIPTION
) {
622 /* Try to parse Red Hat style description
625 size_t k
= strlen(t
);
633 if ((j
= strstrip(t
)) && *j
) {
636 if (chkconfig_description
)
637 d
= join(chkconfig_description
, " ", j
, NULL
);
646 free(chkconfig_description
);
647 chkconfig_description
= d
;
650 } else if (state
== LSB
|| state
== LSB_DESCRIPTION
) {
652 if (startswith_no_case(t
, "Provides:")) {
658 FOREACH_WORD_QUOTED(w
, z
, t
+9, i
) {
661 if (!(n
= strndup(w
, z
))) {
666 r
= sysv_translate_facility(n
, file_name_from_path(path
), &m
);
675 if (unit_name_to_type(m
) == UNIT_SERVICE
)
676 r
= unit_add_name(u
, m
);
683 * indication that the
685 * now available. This
688 * targets do NOT pull
691 r
= unit_add_two_dependencies_by_name(u
, UNIT_BEFORE
, UNIT_WANTS
, m
, NULL
, true);
694 log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path
, line
, m
, strerror(-r
));
699 } else if (startswith_no_case(t
, "Required-Start:") ||
700 startswith_no_case(t
, "Should-Start:") ||
701 startswith_no_case(t
, "X-Start-Before:") ||
702 startswith_no_case(t
, "X-Start-After:")) {
708 FOREACH_WORD_QUOTED(w
, z
, strchr(t
, ':')+1, i
) {
711 if (!(n
= strndup(w
, z
))) {
716 r
= sysv_translate_facility(n
, file_name_from_path(path
), &m
);
719 log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path
, line
, n
, strerror(-r
));
729 r
= unit_add_dependency_by_name(u
, startswith_no_case(t
, "X-Start-Before:") ? UNIT_BEFORE
: UNIT_AFTER
, m
, NULL
, true);
732 log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path
, line
, m
, strerror(-r
));
736 } else if (startswith_no_case(t
, "Default-Start:")) {
741 k
= delete_chars(t
+14, WHITESPACE
"-");
744 if (!(d
= strdup(k
))) {
749 free(s
->sysv_runlevels
);
750 s
->sysv_runlevels
= d
;
753 } else if (startswith_no_case(t
, "Description:")) {
756 state
= LSB_DESCRIPTION
;
758 if ((j
= strstrip(t
+12)) && *j
) {
759 if (!(d
= strdup(j
))) {
766 free(long_description
);
767 long_description
= d
;
769 } else if (startswith_no_case(t
, "Short-Description:")) {
774 if ((j
= strstrip(t
+18)) && *j
) {
775 if (!(d
= strdup(j
))) {
782 free(short_description
);
783 short_description
= d
;
785 } else if (state
== LSB_DESCRIPTION
) {
787 if (startswith(l
, "#\t") || startswith(l
, "# ")) {
790 if ((j
= strstrip(t
)) && *j
) {
793 if (long_description
)
794 d
= join(long_description
, " ", t
, NULL
);
803 free(long_description
);
804 long_description
= d
;
813 if ((r
= sysv_exec_commands(s
)) < 0)
815 if (s
->sysv_runlevels
&&
816 chars_intersect(RUNLEVELS_BOOT
, s
->sysv_runlevels
) &&
817 chars_intersect(RUNLEVELS_UP
, s
->sysv_runlevels
)) {
818 /* Service has both boot and "up" runlevels
819 configured. Kill the "up" ones. */
820 delete_chars(s
->sysv_runlevels
, RUNLEVELS_UP
);
823 if (s
->sysv_runlevels
&& !chars_intersect(RUNLEVELS_UP
, s
->sysv_runlevels
)) {
824 /* If there a runlevels configured for this service
825 * but none of the standard ones, then we assume this
826 * is some special kind of service (which might be
827 * needed for early boot) and don't create any links
830 s
->meta
.default_dependencies
= false;
832 /* Don't timeout special services during boot (like fsck) */
835 s
->timeout_usec
= DEFAULT_SYSV_TIMEOUT_USEC
;
837 /* Special setting for all SysV services */
838 s
->type
= SERVICE_FORKING
;
839 s
->remain_after_exit
= !s
->pid_file
;
840 s
->guess_main_pid
= false;
841 s
->restart
= SERVICE_RESTART_NO
;
843 if (s
->meta
.manager
->sysv_console
)
844 s
->exec_context
.std_output
= EXEC_OUTPUT_JOURNAL_AND_CONSOLE
;
846 s
->exec_context
.kill_mode
= KILL_PROCESS
;
848 /* We use the long description only if
849 * no short description is set. */
851 if (short_description
)
852 description
= short_description
;
853 else if (chkconfig_description
)
854 description
= chkconfig_description
;
855 else if (long_description
)
856 description
= long_description
;
863 if (!(d
= strappend(s
->sysv_has_lsb
? "LSB: " : "SYSV: ", description
))) {
871 /* The priority that has been set in /etc/rcN.d/ hierarchies
872 * takes precedence over what is stored as default in the LSB
874 if (s
->sysv_start_priority_from_rcnd
>= 0)
875 s
->sysv_start_priority
= s
->sysv_start_priority_from_rcnd
;
877 u
->load_state
= UNIT_LOADED
;
885 free(short_description
);
886 free(long_description
);
887 free(chkconfig_description
);
892 static int service_load_sysv_name(Service
*s
, const char *name
) {
898 /* For SysV services we strip the boot.*, rc.* and *.sh
899 * prefixes/suffixes. */
900 #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
901 if (endswith(name
, ".sh.service"))
906 if (startswith(name
, "boot."))
910 #ifdef TARGET_FRUGALWARE
911 if (startswith(name
, "rc."))
915 STRV_FOREACH(p
, s
->meta
.manager
->lookup_paths
.sysvinit_path
) {
919 path
= join(*p
, "/", name
, NULL
);
923 assert(endswith(path
, ".service"));
924 path
[strlen(path
)-8] = 0;
926 r
= service_load_sysv_path(s
, path
);
928 #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
929 if (r
>= 0 && s
->meta
.load_state
== UNIT_STUB
) {
930 /* Try Debian style *.sh source'able init scripts */
932 r
= service_load_sysv_path(s
, path
);
938 if (r
>= 0 && s
->meta
.load_state
== UNIT_STUB
) {
939 /* Try SUSE style boot.* init scripts */
941 path
= join(*p
, "/boot.", name
, NULL
);
945 /* Drop .service suffix */
946 path
[strlen(path
)-8] = 0;
947 r
= service_load_sysv_path(s
, path
);
952 #ifdef TARGET_FRUGALWARE
953 if (r
>= 0 && s
->meta
.load_state
== UNIT_STUB
) {
954 /* Try Frugalware style rc.* init scripts */
956 path
= join(*p
, "/rc.", name
, NULL
);
960 /* Drop .service suffix */
961 path
[strlen(path
)-8] = 0;
962 r
= service_load_sysv_path(s
, path
);
970 if ((s
->meta
.load_state
!= UNIT_STUB
))
977 static int service_load_sysv(Service
*s
) {
984 /* Load service data from SysV init scripts, preferably with
987 if (strv_isempty(s
->meta
.manager
->lookup_paths
.sysvinit_path
))
990 if ((t
= s
->meta
.id
))
991 if ((r
= service_load_sysv_name(s
, t
)) < 0)
994 if (s
->meta
.load_state
== UNIT_STUB
)
995 SET_FOREACH(t
, s
->meta
.names
, i
) {
999 if ((r
= service_load_sysv_name(s
, t
)) < 0)
1002 if (s
->meta
.load_state
!= UNIT_STUB
)
1010 static int fsck_fix_order(Service
*s
) {
1016 if (s
->fsck_passno
<= 0)
1019 /* For each pair of services where both have an fsck priority
1020 * we order things based on it. */
1022 LIST_FOREACH(units_by_type
, other
, s
->meta
.manager
->units_by_type
[UNIT_SERVICE
]) {
1026 t
= (Service
*) other
;
1031 if (t
->meta
.load_state
!= UNIT_LOADED
)
1034 if (t
->fsck_passno
<= 0)
1037 if (t
->fsck_passno
< s
->fsck_passno
)
1039 else if (t
->fsck_passno
> s
->fsck_passno
)
1044 if ((r
= unit_add_dependency(UNIT(s
), d
, UNIT(t
), true)) < 0)
1051 static int service_verify(Service
*s
) {
1054 if (s
->meta
.load_state
!= UNIT_LOADED
)
1057 if (!s
->exec_command
[SERVICE_EXEC_START
]) {
1058 log_error("%s lacks ExecStart setting. Refusing.", s
->meta
.id
);
1062 if (s
->type
!= SERVICE_ONESHOT
&&
1063 s
->exec_command
[SERVICE_EXEC_START
]->command_next
) {
1064 log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s
->meta
.id
);
1068 if (s
->type
== SERVICE_ONESHOT
&&
1069 s
->exec_command
[SERVICE_EXEC_RELOAD
]) {
1070 log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", s
->meta
.id
);
1074 if (s
->type
== SERVICE_DBUS
&& !s
->bus_name
) {
1075 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s
->meta
.id
);
1079 if (s
->exec_context
.pam_name
&& s
->exec_context
.kill_mode
!= KILL_CONTROL_GROUP
) {
1080 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s
->meta
.id
);
1087 static int service_add_default_dependencies(Service
*s
) {
1092 /* Add a number of automatic dependencies useful for the
1093 * majority of services. */
1095 /* First, pull in base system */
1096 if (s
->meta
.manager
->running_as
== MANAGER_SYSTEM
) {
1098 if ((r
= unit_add_two_dependencies_by_name(UNIT(s
), UNIT_AFTER
, UNIT_REQUIRES
, SPECIAL_BASIC_TARGET
, NULL
, true)) < 0)
1101 } else if (s
->meta
.manager
->running_as
== MANAGER_USER
) {
1103 if ((r
= unit_add_two_dependencies_by_name(UNIT(s
), UNIT_AFTER
, UNIT_REQUIRES
, SPECIAL_SOCKETS_TARGET
, NULL
, true)) < 0)
1107 /* Second, activate normal shutdown */
1108 return unit_add_two_dependencies_by_name(UNIT(s
), UNIT_BEFORE
, UNIT_CONFLICTS
, SPECIAL_SHUTDOWN_TARGET
, NULL
, true);
1111 static void service_fix_output(Service
*s
) {
1114 /* If nothing has been explicitly configured, patch default
1115 * output in. If input is socket/tty we avoid this however,
1116 * since in that case we want output to default to the same
1117 * place as we read input from. */
1119 if (s
->exec_context
.std_error
== EXEC_OUTPUT_INHERIT
&&
1120 s
->exec_context
.std_output
== EXEC_OUTPUT_INHERIT
&&
1121 s
->exec_context
.std_input
== EXEC_INPUT_NULL
)
1122 s
->exec_context
.std_error
= s
->meta
.manager
->default_std_error
;
1124 if (s
->exec_context
.std_output
== EXEC_OUTPUT_INHERIT
&&
1125 s
->exec_context
.std_input
== EXEC_INPUT_NULL
)
1126 s
->exec_context
.std_output
= s
->meta
.manager
->default_std_output
;
1129 static int service_load(Unit
*u
) {
1131 Service
*s
= SERVICE(u
);
1135 /* Load a .service file */
1136 if ((r
= unit_load_fragment(u
)) < 0)
1139 #ifdef HAVE_SYSV_COMPAT
1140 /* Load a classic init script as a fallback, if we couldn't find anything */
1141 if (u
->load_state
== UNIT_STUB
)
1142 if ((r
= service_load_sysv(s
)) < 0)
1146 /* Still nothing found? Then let's give up */
1147 if (u
->load_state
== UNIT_STUB
)
1150 /* We were able to load something, then let's add in the
1151 * dropin directories. */
1152 if ((r
= unit_load_dropin(unit_follow_merge(u
))) < 0)
1155 /* This is a new unit? Then let's add in some extras */
1156 if (u
->load_state
== UNIT_LOADED
) {
1157 service_fix_output(s
);
1159 if ((r
= unit_add_exec_dependencies(u
, &s
->exec_context
)) < 0)
1162 if ((r
= unit_add_default_cgroups(u
)) < 0)
1165 #ifdef HAVE_SYSV_COMPAT
1166 if ((r
= sysv_fix_order(s
)) < 0)
1170 if ((r
= fsck_fix_order(s
)) < 0)
1174 if ((r
= unit_watch_bus_name(u
, s
->bus_name
)) < 0)
1177 if (s
->type
== SERVICE_NOTIFY
&& s
->notify_access
== NOTIFY_NONE
)
1178 s
->notify_access
= NOTIFY_MAIN
;
1180 if (s
->type
== SERVICE_DBUS
|| s
->bus_name
)
1181 if ((r
= unit_add_two_dependencies_by_name(u
, UNIT_AFTER
, UNIT_REQUIRES
, SPECIAL_DBUS_SOCKET
, NULL
, true)) < 0)
1184 if (s
->meta
.default_dependencies
)
1185 if ((r
= service_add_default_dependencies(s
)) < 0)
1189 return service_verify(s
);
1192 static void service_dump(Unit
*u
, FILE *f
, const char *prefix
) {
1194 ServiceExecCommand c
;
1195 Service
*s
= SERVICE(u
);
1196 const char *prefix2
;
1201 p2
= strappend(prefix
, "\t");
1202 prefix2
= p2
? p2
: prefix
;
1205 "%sService State: %s\n"
1206 "%sPermissionsStartOnly: %s\n"
1207 "%sRootDirectoryStartOnly: %s\n"
1208 "%sRemainAfterExit: %s\n"
1209 "%sGuessMainPID: %s\n"
1212 "%sNotifyAccess: %s\n",
1213 prefix
, service_state_to_string(s
->state
),
1214 prefix
, yes_no(s
->permissions_start_only
),
1215 prefix
, yes_no(s
->root_directory_start_only
),
1216 prefix
, yes_no(s
->remain_after_exit
),
1217 prefix
, yes_no(s
->guess_main_pid
),
1218 prefix
, service_type_to_string(s
->type
),
1219 prefix
, service_restart_to_string(s
->restart
),
1220 prefix
, notify_access_to_string(s
->notify_access
));
1222 if (s
->control_pid
> 0)
1224 "%sControl PID: %lu\n",
1225 prefix
, (unsigned long) s
->control_pid
);
1227 if (s
->main_pid
> 0)
1230 "%sMain PID Known: %s\n"
1231 "%sMain PID Alien: %s\n",
1232 prefix
, (unsigned long) s
->main_pid
,
1233 prefix
, yes_no(s
->main_pid_known
),
1234 prefix
, yes_no(s
->main_pid_alien
));
1239 prefix
, s
->pid_file
);
1244 "%sBus Name Good: %s\n",
1245 prefix
, s
->bus_name
,
1246 prefix
, yes_no(s
->bus_name_good
));
1248 exec_context_dump(&s
->exec_context
, f
, prefix
);
1250 for (c
= 0; c
< _SERVICE_EXEC_COMMAND_MAX
; c
++) {
1252 if (!s
->exec_command
[c
])
1255 fprintf(f
, "%s-> %s:\n",
1256 prefix
, service_exec_command_to_string(c
));
1258 exec_command_dump_list(s
->exec_command
[c
], f
, prefix2
);
1261 #ifdef HAVE_SYSV_COMPAT
1264 "%sSysV Init Script Path: %s\n"
1265 "%sSysV Init Script has LSB Header: %s\n"
1266 "%sSysVEnabled: %s\n",
1267 prefix
, s
->sysv_path
,
1268 prefix
, yes_no(s
->sysv_has_lsb
),
1269 prefix
, yes_no(s
->sysv_enabled
));
1271 if (s
->sysv_start_priority
>= 0)
1273 "%sSysVStartPriority: %i\n",
1274 prefix
, s
->sysv_start_priority
);
1276 if (s
->sysv_runlevels
)
1277 fprintf(f
, "%sSysVRunLevels: %s\n",
1278 prefix
, s
->sysv_runlevels
);
1281 if (s
->fsck_passno
> 0)
1283 "%sFsckPassNo: %i\n",
1284 prefix
, s
->fsck_passno
);
1287 fprintf(f
, "%sStatus Text: %s\n",
1288 prefix
, s
->status_text
);
1293 static int service_load_pid_file(Service
*s
, bool may_warn
) {
1303 if ((r
= read_one_line_file(s
->pid_file
, &k
)) < 0) {
1305 log_info("PID file %s not readable (yet?) after %s.",
1306 s
->pid_file
, service_state_to_string(s
->state
));
1310 r
= parse_pid(k
, &pid
);
1316 if (kill(pid
, 0) < 0 && errno
!= EPERM
) {
1318 log_info("PID %lu read from file %s does not exist.",
1319 (unsigned long) pid
, s
->pid_file
);
1323 if (s
->main_pid_known
) {
1324 if (pid
== s
->main_pid
)
1327 log_debug("Main PID changing: %lu -> %lu",
1328 (unsigned long) s
->main_pid
, (unsigned long) pid
);
1329 service_unwatch_main_pid(s
);
1330 s
->main_pid_known
= false;
1332 log_debug("Main PID loaded: %lu", (unsigned long) pid
);
1334 if ((r
= service_set_main_pid(s
, pid
)) < 0)
1337 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
1338 /* FIXME: we need to do something here */
1344 static int service_search_main_pid(Service
*s
) {
1350 /* If we know it anyway, don't ever fallback to unreliable
1352 if (s
->main_pid_known
)
1355 if (!s
->guess_main_pid
)
1358 assert(s
->main_pid
<= 0);
1360 if ((pid
= cgroup_bonding_search_main_pid_list(s
->meta
.cgroup_bondings
)) <= 0)
1363 log_debug("Main PID guessed: %lu", (unsigned long) pid
);
1364 if ((r
= service_set_main_pid(s
, pid
)) < 0)
1367 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
1368 /* FIXME: we need to do something here */
1374 static void service_notify_sockets_dead(Service
*s
) {
1380 /* Notifies all our sockets when we die */
1382 if (s
->socket_fd
>= 0)
1385 SET_FOREACH(u
, s
->meta
.dependencies
[UNIT_TRIGGERED_BY
], i
)
1386 if (u
->type
== UNIT_SOCKET
)
1387 socket_notify_service_dead(SOCKET(u
));
1392 static void service_unwatch_pid_file(Service
*s
) {
1393 if (!s
->pid_file_pathspec
)
1396 log_debug("Stopping watch for %s's PID file %s", s
->meta
.id
, s
->pid_file_pathspec
->path
);
1397 path_spec_unwatch(s
->pid_file_pathspec
, UNIT(s
));
1398 path_spec_done(s
->pid_file_pathspec
);
1399 free(s
->pid_file_pathspec
);
1400 s
->pid_file_pathspec
= NULL
;
1403 static void service_set_state(Service
*s
, ServiceState state
) {
1404 ServiceState old_state
;
1407 old_state
= s
->state
;
1410 service_unwatch_pid_file(s
);
1412 if (state
!= SERVICE_START_PRE
&&
1413 state
!= SERVICE_START
&&
1414 state
!= SERVICE_START_POST
&&
1415 state
!= SERVICE_RELOAD
&&
1416 state
!= SERVICE_STOP
&&
1417 state
!= SERVICE_STOP_SIGTERM
&&
1418 state
!= SERVICE_STOP_SIGKILL
&&
1419 state
!= SERVICE_STOP_POST
&&
1420 state
!= SERVICE_FINAL_SIGTERM
&&
1421 state
!= SERVICE_FINAL_SIGKILL
&&
1422 state
!= SERVICE_AUTO_RESTART
)
1423 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
1425 if (state
!= SERVICE_START
&&
1426 state
!= SERVICE_START_POST
&&
1427 state
!= SERVICE_RUNNING
&&
1428 state
!= SERVICE_RELOAD
&&
1429 state
!= SERVICE_STOP
&&
1430 state
!= SERVICE_STOP_SIGTERM
&&
1431 state
!= SERVICE_STOP_SIGKILL
) {
1432 service_unwatch_main_pid(s
);
1433 s
->main_command
= NULL
;
1436 if (state
!= SERVICE_START_PRE
&&
1437 state
!= SERVICE_START
&&
1438 state
!= SERVICE_START_POST
&&
1439 state
!= SERVICE_RELOAD
&&
1440 state
!= SERVICE_STOP
&&
1441 state
!= SERVICE_STOP_SIGTERM
&&
1442 state
!= SERVICE_STOP_SIGKILL
&&
1443 state
!= SERVICE_STOP_POST
&&
1444 state
!= SERVICE_FINAL_SIGTERM
&&
1445 state
!= SERVICE_FINAL_SIGKILL
) {
1446 service_unwatch_control_pid(s
);
1447 s
->control_command
= NULL
;
1448 s
->control_command_id
= _SERVICE_EXEC_COMMAND_INVALID
;
1451 if (state
== SERVICE_DEAD
||
1452 state
== SERVICE_STOP
||
1453 state
== SERVICE_STOP_SIGTERM
||
1454 state
== SERVICE_STOP_SIGKILL
||
1455 state
== SERVICE_STOP_POST
||
1456 state
== SERVICE_FINAL_SIGTERM
||
1457 state
== SERVICE_FINAL_SIGKILL
||
1458 state
== SERVICE_FAILED
||
1459 state
== SERVICE_AUTO_RESTART
)
1460 service_notify_sockets_dead(s
);
1462 if (state
!= SERVICE_START_PRE
&&
1463 state
!= SERVICE_START
&&
1464 state
!= SERVICE_START_POST
&&
1465 state
!= SERVICE_RUNNING
&&
1466 state
!= SERVICE_RELOAD
&&
1467 state
!= SERVICE_STOP
&&
1468 state
!= SERVICE_STOP_SIGTERM
&&
1469 state
!= SERVICE_STOP_SIGKILL
&&
1470 state
!= SERVICE_STOP_POST
&&
1471 state
!= SERVICE_FINAL_SIGTERM
&&
1472 state
!= SERVICE_FINAL_SIGKILL
&&
1473 !(state
== SERVICE_DEAD
&& s
->meta
.job
)) {
1474 service_close_socket_fd(s
);
1475 service_connection_unref(s
);
1478 /* For the inactive states unit_notify() will trim the cgroup,
1479 * but for exit we have to do that ourselves... */
1480 if (state
== SERVICE_EXITED
&& s
->meta
.manager
->n_reloading
<= 0)
1481 cgroup_bonding_trim_list(s
->meta
.cgroup_bondings
, true);
1483 if (old_state
!= state
)
1484 log_debug("%s changed %s -> %s", s
->meta
.id
, service_state_to_string(old_state
), service_state_to_string(state
));
1486 unit_notify(UNIT(s
), state_translation_table
[old_state
], state_translation_table
[state
], !s
->reload_failure
);
1487 s
->reload_failure
= false;
1490 static int service_coldplug(Unit
*u
) {
1491 Service
*s
= SERVICE(u
);
1495 assert(s
->state
== SERVICE_DEAD
);
1497 if (s
->deserialized_state
!= s
->state
) {
1499 if (s
->deserialized_state
== SERVICE_START_PRE
||
1500 s
->deserialized_state
== SERVICE_START
||
1501 s
->deserialized_state
== SERVICE_START_POST
||
1502 s
->deserialized_state
== SERVICE_RELOAD
||
1503 s
->deserialized_state
== SERVICE_STOP
||
1504 s
->deserialized_state
== SERVICE_STOP_SIGTERM
||
1505 s
->deserialized_state
== SERVICE_STOP_SIGKILL
||
1506 s
->deserialized_state
== SERVICE_STOP_POST
||
1507 s
->deserialized_state
== SERVICE_FINAL_SIGTERM
||
1508 s
->deserialized_state
== SERVICE_FINAL_SIGKILL
||
1509 s
->deserialized_state
== SERVICE_AUTO_RESTART
) {
1511 if (s
->deserialized_state
== SERVICE_AUTO_RESTART
|| s
->timeout_usec
> 0) {
1514 k
= s
->deserialized_state
== SERVICE_AUTO_RESTART
? s
->restart_usec
: s
->timeout_usec
;
1516 if ((r
= unit_watch_timer(UNIT(s
), k
, &s
->timer_watch
)) < 0)
1521 if ((s
->deserialized_state
== SERVICE_START
&&
1522 (s
->type
== SERVICE_FORKING
||
1523 s
->type
== SERVICE_DBUS
||
1524 s
->type
== SERVICE_ONESHOT
||
1525 s
->type
== SERVICE_NOTIFY
)) ||
1526 s
->deserialized_state
== SERVICE_START_POST
||
1527 s
->deserialized_state
== SERVICE_RUNNING
||
1528 s
->deserialized_state
== SERVICE_RELOAD
||
1529 s
->deserialized_state
== SERVICE_STOP
||
1530 s
->deserialized_state
== SERVICE_STOP_SIGTERM
||
1531 s
->deserialized_state
== SERVICE_STOP_SIGKILL
)
1532 if (s
->main_pid
> 0)
1533 if ((r
= unit_watch_pid(UNIT(s
), s
->main_pid
)) < 0)
1536 if (s
->deserialized_state
== SERVICE_START_PRE
||
1537 s
->deserialized_state
== SERVICE_START
||
1538 s
->deserialized_state
== SERVICE_START_POST
||
1539 s
->deserialized_state
== SERVICE_RELOAD
||
1540 s
->deserialized_state
== SERVICE_STOP
||
1541 s
->deserialized_state
== SERVICE_STOP_SIGTERM
||
1542 s
->deserialized_state
== SERVICE_STOP_SIGKILL
||
1543 s
->deserialized_state
== SERVICE_STOP_POST
||
1544 s
->deserialized_state
== SERVICE_FINAL_SIGTERM
||
1545 s
->deserialized_state
== SERVICE_FINAL_SIGKILL
)
1546 if (s
->control_pid
> 0)
1547 if ((r
= unit_watch_pid(UNIT(s
), s
->control_pid
)) < 0)
1550 service_set_state(s
, s
->deserialized_state
);
1556 static int service_collect_fds(Service
*s
, int **fds
, unsigned *n_fds
) {
1560 unsigned rn_fds
= 0;
1567 if (s
->socket_fd
>= 0)
1570 SET_FOREACH(u
, s
->meta
.dependencies
[UNIT_TRIGGERED_BY
], i
) {
1575 if (u
->type
!= UNIT_SOCKET
)
1580 if ((r
= socket_collect_fds(sock
, &cfds
, &cn_fds
)) < 0)
1592 if (!(t
= new(int, rn_fds
+cn_fds
))) {
1598 memcpy(t
, rfds
, rn_fds
* sizeof(int));
1599 memcpy(t
+rn_fds
, cfds
, cn_fds
* sizeof(int));
1604 rn_fds
= rn_fds
+cn_fds
;
1619 static int service_spawn(
1624 bool apply_permissions
,
1626 bool apply_tty_stdin
,
1627 bool set_notify_socket
,
1632 int *fds
= NULL
, *fdsbuf
= NULL
;
1633 unsigned n_fds
= 0, n_env
= 0;
1634 char **argv
= NULL
, **final_env
= NULL
, **our_env
= NULL
;
1641 s
->exec_context
.std_input
== EXEC_INPUT_SOCKET
||
1642 s
->exec_context
.std_output
== EXEC_OUTPUT_SOCKET
||
1643 s
->exec_context
.std_error
== EXEC_OUTPUT_SOCKET
) {
1645 if (s
->socket_fd
>= 0) {
1646 fds
= &s
->socket_fd
;
1649 if ((r
= service_collect_fds(s
, &fdsbuf
, &n_fds
)) < 0)
1656 if (timeout
&& s
->timeout_usec
) {
1657 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
1660 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
1662 if (!(argv
= unit_full_printf_strv(UNIT(s
), c
->argv
))) {
1667 if (!(our_env
= new0(char*, 4))) {
1672 if (set_notify_socket
)
1673 if (asprintf(our_env
+ n_env
++, "NOTIFY_SOCKET=%s", s
->meta
.manager
->notify_socket
) < 0) {
1678 if (s
->main_pid
> 0)
1679 if (asprintf(our_env
+ n_env
++, "MAINPID=%lu", (unsigned long) s
->main_pid
) < 0) {
1684 if (!(final_env
= strv_env_merge(2,
1685 s
->meta
.manager
->environment
,
1700 s
->meta
.manager
->confirm_spawn
,
1701 s
->meta
.cgroup_bondings
,
1702 s
->meta
.cgroup_attributes
,
1709 if ((r
= unit_watch_pid(UNIT(s
), pid
)) < 0)
1710 /* FIXME: we need to do something here */
1716 strv_free(final_env
);
1726 strv_free(final_env
);
1729 unit_unwatch_timer(UNIT(s
), &s
->timer_watch
);
1734 static int main_pid_good(Service
*s
) {
1737 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1740 /* If we know the pid file, then lets just check if it is
1742 if (s
->main_pid_known
) {
1744 /* If it's an alien child let's check if it is still
1746 if (s
->main_pid_alien
)
1747 return kill(s
->main_pid
, 0) >= 0 || errno
!= ESRCH
;
1749 /* .. otherwise assume we'll get a SIGCHLD for it,
1750 * which we really should wait for to collect exit
1751 * status and code */
1752 return s
->main_pid
> 0;
1755 /* We don't know the pid */
1759 static int control_pid_good(Service
*s
) {
1762 return s
->control_pid
> 0;
1765 static int cgroup_good(Service
*s
) {
1770 if ((r
= cgroup_bonding_is_empty_list(s
->meta
.cgroup_bondings
)) < 0)
1776 static void service_enter_dead(Service
*s
, bool success
, bool allow_restart
) {
1783 if (allow_restart
&&
1784 !s
->forbid_restart
&&
1785 (s
->restart
== SERVICE_RESTART_ALWAYS
||
1786 (s
->restart
== SERVICE_RESTART_ON_SUCCESS
&& !s
->failure
) ||
1787 (s
->restart
== SERVICE_RESTART_ON_FAILURE
&& s
->failure
) ||
1788 (s
->restart
== SERVICE_RESTART_ON_ABORT
&& s
->failure
&&
1789 (s
->main_exec_status
.code
== CLD_KILLED
||
1790 s
->main_exec_status
.code
== CLD_DUMPED
)))) {
1792 if ((r
= unit_watch_timer(UNIT(s
), s
->restart_usec
, &s
->timer_watch
)) < 0)
1795 service_set_state(s
, SERVICE_AUTO_RESTART
);
1797 service_set_state(s
, s
->failure
? SERVICE_FAILED
: SERVICE_DEAD
);
1799 s
->forbid_restart
= false;
1804 log_warning("%s failed to run install restart timer: %s", s
->meta
.id
, strerror(-r
));
1805 service_enter_dead(s
, false, false);
1808 static void service_enter_signal(Service
*s
, ServiceState state
, bool success
);
1810 static void service_enter_stop_post(Service
*s
, bool success
) {
1817 service_unwatch_control_pid(s
);
1819 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_STOP_POST
])) {
1820 s
->control_command_id
= SERVICE_EXEC_STOP_POST
;
1822 if ((r
= service_spawn(s
,
1826 !s
->permissions_start_only
,
1827 !s
->root_directory_start_only
,
1830 &s
->control_pid
)) < 0)
1834 service_set_state(s
, SERVICE_STOP_POST
);
1836 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, true);
1841 log_warning("%s failed to run 'stop-post' task: %s", s
->meta
.id
, strerror(-r
));
1842 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
1845 static void service_enter_signal(Service
*s
, ServiceState state
, bool success
) {
1847 Set
*pid_set
= NULL
;
1848 bool wait_for_exit
= false;
1855 if (s
->exec_context
.kill_mode
!= KILL_NONE
) {
1856 int sig
= (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_FINAL_SIGTERM
) ? s
->exec_context
.kill_signal
: SIGKILL
;
1858 if (s
->main_pid
> 0) {
1859 if (kill_and_sigcont(s
->main_pid
, sig
) < 0 && errno
!= ESRCH
)
1860 log_warning("Failed to kill main process %li: %m", (long) s
->main_pid
);
1862 wait_for_exit
= !s
->main_pid_alien
;
1865 if (s
->control_pid
> 0) {
1866 if (kill_and_sigcont(s
->control_pid
, sig
) < 0 && errno
!= ESRCH
)
1867 log_warning("Failed to kill control process %li: %m", (long) s
->control_pid
);
1869 wait_for_exit
= true;
1872 if (s
->exec_context
.kill_mode
== KILL_CONTROL_GROUP
) {
1874 if (!(pid_set
= set_new(trivial_hash_func
, trivial_compare_func
))) {
1879 /* Exclude the main/control pids from being killed via the cgroup */
1880 if (s
->main_pid
> 0)
1881 if ((r
= set_put(pid_set
, LONG_TO_PTR(s
->main_pid
))) < 0)
1884 if (s
->control_pid
> 0)
1885 if ((r
= set_put(pid_set
, LONG_TO_PTR(s
->control_pid
))) < 0)
1888 if ((r
= cgroup_bonding_kill_list(s
->meta
.cgroup_bondings
, sig
, true, pid_set
)) < 0) {
1889 if (r
!= -EAGAIN
&& r
!= -ESRCH
&& r
!= -ENOENT
)
1890 log_warning("Failed to kill control group: %s", strerror(-r
));
1892 wait_for_exit
= true;
1899 if (wait_for_exit
) {
1900 if (s
->timeout_usec
> 0)
1901 if ((r
= unit_watch_timer(UNIT(s
), s
->timeout_usec
, &s
->timer_watch
)) < 0)
1904 service_set_state(s
, state
);
1905 } else if (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_STOP_SIGKILL
)
1906 service_enter_stop_post(s
, true);
1908 service_enter_dead(s
, true, true);
1913 log_warning("%s failed to kill processes: %s", s
->meta
.id
, strerror(-r
));
1915 if (state
== SERVICE_STOP_SIGTERM
|| state
== SERVICE_STOP_SIGKILL
)
1916 service_enter_stop_post(s
, false);
1918 service_enter_dead(s
, false, true);
1924 static void service_enter_stop(Service
*s
, bool success
) {
1932 service_unwatch_control_pid(s
);
1934 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_STOP
])) {
1935 s
->control_command_id
= SERVICE_EXEC_STOP
;
1937 if ((r
= service_spawn(s
,
1941 !s
->permissions_start_only
,
1942 !s
->root_directory_start_only
,
1945 &s
->control_pid
)) < 0)
1948 service_set_state(s
, SERVICE_STOP
);
1950 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, true);
1955 log_warning("%s failed to run 'stop' task: %s", s
->meta
.id
, strerror(-r
));
1956 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
1959 static void service_enter_running(Service
*s
, bool success
) {
1960 int main_pid_ok
, cgroup_ok
;
1966 main_pid_ok
= main_pid_good(s
);
1967 cgroup_ok
= cgroup_good(s
);
1969 if ((main_pid_ok
> 0 || (main_pid_ok
< 0 && cgroup_ok
!= 0)) &&
1970 (s
->bus_name_good
|| s
->type
!= SERVICE_DBUS
))
1971 service_set_state(s
, SERVICE_RUNNING
);
1972 else if (s
->remain_after_exit
)
1973 service_set_state(s
, SERVICE_EXITED
);
1975 service_enter_stop(s
, true);
1978 static void service_enter_start_post(Service
*s
) {
1982 service_unwatch_control_pid(s
);
1984 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_START_POST
])) {
1985 s
->control_command_id
= SERVICE_EXEC_START_POST
;
1987 if ((r
= service_spawn(s
,
1991 !s
->permissions_start_only
,
1992 !s
->root_directory_start_only
,
1995 &s
->control_pid
)) < 0)
1998 service_set_state(s
, SERVICE_START_POST
);
2000 service_enter_running(s
, true);
2005 log_warning("%s failed to run 'start-post' task: %s", s
->meta
.id
, strerror(-r
));
2006 service_enter_stop(s
, false);
2009 static void service_enter_start(Service
*s
) {
2016 assert(s
->exec_command
[SERVICE_EXEC_START
]);
2017 assert(!s
->exec_command
[SERVICE_EXEC_START
]->command_next
|| s
->type
== SERVICE_ONESHOT
);
2019 if (s
->type
== SERVICE_FORKING
)
2020 service_unwatch_control_pid(s
);
2022 service_unwatch_main_pid(s
);
2024 /* We want to ensure that nobody leaks processes from
2025 * START_PRE here, so let's go on a killing spree, People
2026 * should not spawn long running processes from START_PRE. */
2027 cgroup_bonding_kill_list(s
->meta
.cgroup_bondings
, SIGKILL
, true, NULL
);
2029 if (s
->type
== SERVICE_FORKING
) {
2030 s
->control_command_id
= SERVICE_EXEC_START
;
2031 c
= s
->control_command
= s
->exec_command
[SERVICE_EXEC_START
];
2033 s
->main_command
= NULL
;
2035 s
->control_command_id
= _SERVICE_EXEC_COMMAND_INVALID
;
2036 s
->control_command
= NULL
;
2038 c
= s
->main_command
= s
->exec_command
[SERVICE_EXEC_START
];
2041 if ((r
= service_spawn(s
,
2043 s
->type
== SERVICE_FORKING
|| s
->type
== SERVICE_DBUS
|| s
->type
== SERVICE_NOTIFY
,
2048 s
->notify_access
!= NOTIFY_NONE
,
2052 if (s
->type
== SERVICE_SIMPLE
) {
2053 /* For simple services we immediately start
2054 * the START_POST binaries. */
2056 service_set_main_pid(s
, pid
);
2057 service_enter_start_post(s
);
2059 } else if (s
->type
== SERVICE_FORKING
) {
2061 /* For forking services we wait until the start
2062 * process exited. */
2064 s
->control_pid
= pid
;
2065 service_set_state(s
, SERVICE_START
);
2067 } else if (s
->type
== SERVICE_ONESHOT
||
2068 s
->type
== SERVICE_DBUS
||
2069 s
->type
== SERVICE_NOTIFY
) {
2071 /* For oneshot services we wait until the start
2072 * process exited, too, but it is our main process. */
2074 /* For D-Bus services we know the main pid right away,
2075 * but wait for the bus name to appear on the
2076 * bus. Notify services are similar. */
2078 service_set_main_pid(s
, pid
);
2079 service_set_state(s
, SERVICE_START
);
2081 assert_not_reached("Unknown service type");
2086 log_warning("%s failed to run 'start' task: %s", s
->meta
.id
, strerror(-r
));
2087 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2090 static void service_enter_start_pre(Service
*s
) {
2095 service_unwatch_control_pid(s
);
2097 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_START_PRE
])) {
2099 /* Before we start anything, let's clear up what might
2100 * be left from previous runs. */
2101 cgroup_bonding_kill_list(s
->meta
.cgroup_bondings
, SIGKILL
, true, NULL
);
2103 s
->control_command_id
= SERVICE_EXEC_START_PRE
;
2105 if ((r
= service_spawn(s
,
2109 !s
->permissions_start_only
,
2110 !s
->root_directory_start_only
,
2113 &s
->control_pid
)) < 0)
2116 service_set_state(s
, SERVICE_START_PRE
);
2118 service_enter_start(s
);
2123 log_warning("%s failed to run 'start-pre' task: %s", s
->meta
.id
, strerror(-r
));
2124 service_enter_dead(s
, false, true);
2127 static void service_enter_restart(Service
*s
) {
2132 dbus_error_init(&error
);
2135 log_info("Job pending for unit, delaying automatic restart.");
2137 if ((r
= unit_watch_timer(UNIT(s
), s
->restart_usec
, &s
->timer_watch
)) < 0)
2141 service_enter_dead(s
, true, false);
2143 if ((r
= manager_add_job(s
->meta
.manager
, JOB_START
, UNIT(s
), JOB_FAIL
, false, &error
, NULL
)) < 0)
2146 log_debug("%s scheduled restart job.", s
->meta
.id
);
2150 log_warning("%s failed to schedule restart job: %s", s
->meta
.id
, bus_error(&error
, -r
));
2151 service_enter_dead(s
, false, false);
2153 dbus_error_free(&error
);
2156 static void service_enter_reload(Service
*s
) {
2161 service_unwatch_control_pid(s
);
2163 if ((s
->control_command
= s
->exec_command
[SERVICE_EXEC_RELOAD
])) {
2164 s
->control_command_id
= SERVICE_EXEC_RELOAD
;
2166 if ((r
= service_spawn(s
,
2170 !s
->permissions_start_only
,
2171 !s
->root_directory_start_only
,
2174 &s
->control_pid
)) < 0)
2177 service_set_state(s
, SERVICE_RELOAD
);
2179 service_enter_running(s
, true);
2184 log_warning("%s failed to run 'reload' task: %s", s
->meta
.id
, strerror(-r
));
2185 s
->reload_failure
= true;
2186 service_enter_running(s
, true);
2189 static void service_run_next_control(Service
*s
, bool success
) {
2193 assert(s
->control_command
);
2194 assert(s
->control_command
->command_next
);
2199 assert(s
->control_command_id
!= SERVICE_EXEC_START
);
2201 s
->control_command
= s
->control_command
->command_next
;
2202 service_unwatch_control_pid(s
);
2204 if ((r
= service_spawn(s
,
2208 !s
->permissions_start_only
,
2209 !s
->root_directory_start_only
,
2210 s
->control_command_id
== SERVICE_EXEC_START_PRE
||
2211 s
->control_command_id
== SERVICE_EXEC_STOP_POST
,
2213 &s
->control_pid
)) < 0)
2219 log_warning("%s failed to run next control task: %s", s
->meta
.id
, strerror(-r
));
2221 if (s
->state
== SERVICE_START_PRE
)
2222 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2223 else if (s
->state
== SERVICE_STOP
)
2224 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
2225 else if (s
->state
== SERVICE_STOP_POST
)
2226 service_enter_dead(s
, false, true);
2227 else if (s
->state
== SERVICE_RELOAD
) {
2228 s
->reload_failure
= true;
2229 service_enter_running(s
, true);
2231 service_enter_stop(s
, false);
2234 static void service_run_next_main(Service
*s
, bool success
) {
2239 assert(s
->main_command
);
2240 assert(s
->main_command
->command_next
);
2241 assert(s
->type
== SERVICE_ONESHOT
);
2246 s
->main_command
= s
->main_command
->command_next
;
2247 service_unwatch_main_pid(s
);
2249 if ((r
= service_spawn(s
,
2256 s
->notify_access
!= NOTIFY_NONE
,
2260 service_set_main_pid(s
, pid
);
2265 log_warning("%s failed to run next main task: %s", s
->meta
.id
, strerror(-r
));
2266 service_enter_stop(s
, false);
2269 static int service_start(Unit
*u
) {
2270 Service
*s
= SERVICE(u
);
2274 /* We cannot fulfill this request right now, try again later
2276 if (s
->state
== SERVICE_STOP
||
2277 s
->state
== SERVICE_STOP_SIGTERM
||
2278 s
->state
== SERVICE_STOP_SIGKILL
||
2279 s
->state
== SERVICE_STOP_POST
||
2280 s
->state
== SERVICE_FINAL_SIGTERM
||
2281 s
->state
== SERVICE_FINAL_SIGKILL
)
2284 /* Already on it! */
2285 if (s
->state
== SERVICE_START_PRE
||
2286 s
->state
== SERVICE_START
||
2287 s
->state
== SERVICE_START_POST
)
2290 assert(s
->state
== SERVICE_DEAD
|| s
->state
== SERVICE_FAILED
|| s
->state
== SERVICE_AUTO_RESTART
);
2292 /* Make sure we don't enter a busy loop of some kind. */
2293 if (!ratelimit_test(&s
->ratelimit
)) {
2294 log_warning("%s start request repeated too quickly, refusing to start.", u
->id
);
2299 s
->main_pid_known
= false;
2300 s
->main_pid_alien
= false;
2301 s
->forbid_restart
= false;
2303 service_enter_start_pre(s
);
2307 static int service_stop(Unit
*u
) {
2308 Service
*s
= SERVICE(u
);
2312 /* This is a user request, so don't do restarts on this
2314 s
->forbid_restart
= true;
2317 if (s
->state
== SERVICE_STOP
||
2318 s
->state
== SERVICE_STOP_SIGTERM
||
2319 s
->state
== SERVICE_STOP_SIGKILL
||
2320 s
->state
== SERVICE_STOP_POST
||
2321 s
->state
== SERVICE_FINAL_SIGTERM
||
2322 s
->state
== SERVICE_FINAL_SIGKILL
)
2325 /* Don't allow a restart */
2326 if (s
->state
== SERVICE_AUTO_RESTART
) {
2327 service_set_state(s
, SERVICE_DEAD
);
2331 /* If there's already something running we go directly into
2333 if (s
->state
== SERVICE_START_PRE
||
2334 s
->state
== SERVICE_START
||
2335 s
->state
== SERVICE_START_POST
||
2336 s
->state
== SERVICE_RELOAD
) {
2337 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, true);
2341 assert(s
->state
== SERVICE_RUNNING
||
2342 s
->state
== SERVICE_EXITED
);
2344 service_enter_stop(s
, true);
2348 static int service_reload(Unit
*u
) {
2349 Service
*s
= SERVICE(u
);
2353 assert(s
->state
== SERVICE_RUNNING
|| s
->state
== SERVICE_EXITED
);
2355 service_enter_reload(s
);
2359 static bool service_can_reload(Unit
*u
) {
2360 Service
*s
= SERVICE(u
);
2364 return !!s
->exec_command
[SERVICE_EXEC_RELOAD
];
2367 static int service_serialize(Unit
*u
, FILE *f
, FDSet
*fds
) {
2368 Service
*s
= SERVICE(u
);
2374 unit_serialize_item(u
, f
, "state", service_state_to_string(s
->state
));
2375 unit_serialize_item(u
, f
, "failure", yes_no(s
->failure
));
2377 if (s
->control_pid
> 0)
2378 unit_serialize_item_format(u
, f
, "control-pid", "%lu", (unsigned long) s
->control_pid
);
2380 if (s
->main_pid_known
&& s
->main_pid
> 0)
2381 unit_serialize_item_format(u
, f
, "main-pid", "%lu", (unsigned long) s
->main_pid
);
2383 unit_serialize_item(u
, f
, "main-pid-known", yes_no(s
->main_pid_known
));
2386 unit_serialize_item(u
, f
, "status-text", s
->status_text
);
2388 /* There's a minor uncleanliness here: if there are multiple
2389 * commands attached here, we will start from the first one
2391 if (s
->control_command_id
>= 0)
2392 unit_serialize_item(u
, f
, "control-command", service_exec_command_to_string(s
->control_command_id
));
2394 if (s
->socket_fd
>= 0) {
2397 if ((copy
= fdset_put_dup(fds
, s
->socket_fd
)) < 0)
2400 unit_serialize_item_format(u
, f
, "socket-fd", "%i", copy
);
2403 if (s
->main_exec_status
.pid
> 0) {
2404 unit_serialize_item_format(u
, f
, "main-exec-status-pid", "%lu", (unsigned long) s
->main_exec_status
.pid
);
2405 dual_timestamp_serialize(f
, "main-exec-status-start", &s
->main_exec_status
.start_timestamp
);
2406 dual_timestamp_serialize(f
, "main-exec-status-exit", &s
->main_exec_status
.exit_timestamp
);
2408 if (dual_timestamp_is_set(&s
->main_exec_status
.exit_timestamp
)) {
2409 unit_serialize_item_format(u
, f
, "main-exec-status-code", "%i", s
->main_exec_status
.code
);
2410 unit_serialize_item_format(u
, f
, "main-exec-status-status", "%i", s
->main_exec_status
.status
);
2417 static int service_deserialize_item(Unit
*u
, const char *key
, const char *value
, FDSet
*fds
) {
2418 Service
*s
= SERVICE(u
);
2425 if (streq(key
, "state")) {
2428 if ((state
= service_state_from_string(value
)) < 0)
2429 log_debug("Failed to parse state value %s", value
);
2431 s
->deserialized_state
= state
;
2432 } else if (streq(key
, "failure")) {
2435 if ((b
= parse_boolean(value
)) < 0)
2436 log_debug("Failed to parse failure value %s", value
);
2438 s
->failure
= b
|| s
->failure
;
2439 } else if (streq(key
, "control-pid")) {
2442 if (parse_pid(value
, &pid
) < 0)
2443 log_debug("Failed to parse control-pid value %s", value
);
2445 s
->control_pid
= pid
;
2446 } else if (streq(key
, "main-pid")) {
2449 if (parse_pid(value
, &pid
) < 0)
2450 log_debug("Failed to parse main-pid value %s", value
);
2452 service_set_main_pid(s
, (pid_t
) pid
);
2453 } else if (streq(key
, "main-pid-known")) {
2456 if ((b
= parse_boolean(value
)) < 0)
2457 log_debug("Failed to parse main-pid-known value %s", value
);
2459 s
->main_pid_known
= b
;
2460 } else if (streq(key
, "status-text")) {
2463 if ((t
= strdup(value
))) {
2464 free(s
->status_text
);
2468 } else if (streq(key
, "control-command")) {
2469 ServiceExecCommand id
;
2471 if ((id
= service_exec_command_from_string(value
)) < 0)
2472 log_debug("Failed to parse exec-command value %s", value
);
2474 s
->control_command_id
= id
;
2475 s
->control_command
= s
->exec_command
[id
];
2477 } else if (streq(key
, "socket-fd")) {
2480 if (safe_atoi(value
, &fd
) < 0 || fd
< 0 || !fdset_contains(fds
, fd
))
2481 log_debug("Failed to parse socket-fd value %s", value
);
2484 if (s
->socket_fd
>= 0)
2485 close_nointr_nofail(s
->socket_fd
);
2486 s
->socket_fd
= fdset_remove(fds
, fd
);
2488 } else if (streq(key
, "main-exec-status-pid")) {
2491 if (parse_pid(value
, &pid
) < 0)
2492 log_debug("Failed to parse main-exec-status-pid value %s", value
);
2494 s
->main_exec_status
.pid
= pid
;
2495 } else if (streq(key
, "main-exec-status-code")) {
2498 if (safe_atoi(value
, &i
) < 0)
2499 log_debug("Failed to parse main-exec-status-code value %s", value
);
2501 s
->main_exec_status
.code
= i
;
2502 } else if (streq(key
, "main-exec-status-status")) {
2505 if (safe_atoi(value
, &i
) < 0)
2506 log_debug("Failed to parse main-exec-status-status value %s", value
);
2508 s
->main_exec_status
.status
= i
;
2509 } else if (streq(key
, "main-exec-status-start"))
2510 dual_timestamp_deserialize(value
, &s
->main_exec_status
.start_timestamp
);
2511 else if (streq(key
, "main-exec-status-exit"))
2512 dual_timestamp_deserialize(value
, &s
->main_exec_status
.exit_timestamp
);
2514 log_debug("Unknown serialization key '%s'", key
);
2519 static UnitActiveState
service_active_state(Unit
*u
) {
2522 return state_translation_table
[SERVICE(u
)->state
];
2525 static const char *service_sub_state_to_string(Unit
*u
) {
2528 return service_state_to_string(SERVICE(u
)->state
);
2531 static bool service_check_gc(Unit
*u
) {
2532 Service
*s
= SERVICE(u
);
2536 /* Never clean up services that still have a process around,
2537 * even if the service is formally dead. */
2538 if (cgroup_good(s
) > 0 ||
2539 main_pid_good(s
) > 0 ||
2540 control_pid_good(s
) > 0)
2543 #ifdef HAVE_SYSV_COMPAT
2551 static bool service_check_snapshot(Unit
*u
) {
2552 Service
*s
= SERVICE(u
);
2556 return !s
->got_socket_fd
;
2559 static int service_retry_pid_file(Service
*s
) {
2562 assert(s
->pid_file
);
2563 assert(s
->state
== SERVICE_START
|| s
->state
== SERVICE_START_POST
);
2565 r
= service_load_pid_file(s
, false);
2569 service_unwatch_pid_file(s
);
2571 service_enter_running(s
, true);
2575 static int service_watch_pid_file(Service
*s
) {
2578 log_debug("Setting watch for %s's PID file %s", s
->meta
.id
, s
->pid_file_pathspec
->path
);
2579 r
= path_spec_watch(s
->pid_file_pathspec
, UNIT(s
));
2583 /* the pidfile might have appeared just before we set the watch */
2584 service_retry_pid_file(s
);
2588 log_error("Failed to set a watch for %s's PID file %s: %s",
2589 s
->meta
.id
, s
->pid_file_pathspec
->path
, strerror(-r
));
2590 service_unwatch_pid_file(s
);
2594 static int service_demand_pid_file(Service
*s
) {
2597 assert(s
->pid_file
);
2598 assert(!s
->pid_file_pathspec
);
2600 ps
= new0(PathSpec
, 1);
2604 ps
->path
= strdup(s
->pid_file
);
2610 path_kill_slashes(ps
->path
);
2612 /* PATH_CHANGED would not be enough. There are daemons (sendmail) that
2613 * keep their PID file open all the time. */
2614 ps
->type
= PATH_MODIFIED
;
2615 ps
->inotify_fd
= -1;
2617 s
->pid_file_pathspec
= ps
;
2619 return service_watch_pid_file(s
);
2622 static void service_fd_event(Unit
*u
, int fd
, uint32_t events
, Watch
*w
) {
2623 Service
*s
= SERVICE(u
);
2627 assert(s
->state
== SERVICE_START
|| s
->state
== SERVICE_START_POST
);
2628 assert(s
->pid_file_pathspec
);
2629 assert(path_spec_owns_inotify_fd(s
->pid_file_pathspec
, fd
));
2631 log_debug("inotify event for %s", u
->id
);
2633 if (path_spec_fd_event(s
->pid_file_pathspec
, events
) < 0)
2636 if (service_retry_pid_file(s
) == 0)
2639 if (service_watch_pid_file(s
) < 0)
2644 service_unwatch_pid_file(s
);
2645 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
2648 static void service_sigchld_event(Unit
*u
, pid_t pid
, int code
, int status
) {
2649 Service
*s
= SERVICE(u
);
2655 if (!s
->meta
.fragment_path
)
2656 success
= is_clean_exit_lsb(code
, status
);
2658 success
= is_clean_exit(code
, status
);
2660 if (s
->main_pid
== pid
) {
2661 /* Forking services may occasionally move to a new PID.
2662 * As long as they update the PID file before exiting the old
2663 * PID, they're fine. */
2664 if (service_load_pid_file(s
, false) == 0)
2668 exec_status_exit(&s
->main_exec_status
, &s
->exec_context
, pid
, code
, status
);
2670 /* If this is not a forking service than the main
2671 * process got started and hence we copy the exit
2672 * status so that it is recorded both as main and as
2673 * control process exit status */
2674 if (s
->main_command
) {
2675 s
->main_command
->exec_status
= s
->main_exec_status
;
2677 if (s
->main_command
->ignore
)
2681 log_full(success
? LOG_DEBUG
: LOG_NOTICE
,
2682 "%s: main process exited, code=%s, status=%i", u
->id
, sigchld_code_to_string(code
), status
);
2683 s
->failure
= s
->failure
|| !success
;
2685 if (s
->main_command
&&
2686 s
->main_command
->command_next
&&
2689 /* There is another command to *
2690 * execute, so let's do that. */
2692 log_debug("%s running next main command for state %s", u
->id
, service_state_to_string(s
->state
));
2693 service_run_next_main(s
, success
);
2697 /* The service exited, so the service is officially
2699 s
->main_command
= NULL
;
2703 case SERVICE_START_POST
:
2704 case SERVICE_RELOAD
:
2706 /* Need to wait until the operation is
2711 if (s
->type
== SERVICE_ONESHOT
) {
2712 /* This was our main goal, so let's go on */
2714 service_enter_start_post(s
);
2716 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2719 assert(s
->type
== SERVICE_DBUS
|| s
->type
== SERVICE_NOTIFY
);
2724 case SERVICE_RUNNING
:
2725 service_enter_running(s
, success
);
2728 case SERVICE_STOP_SIGTERM
:
2729 case SERVICE_STOP_SIGKILL
:
2731 if (!control_pid_good(s
))
2732 service_enter_stop_post(s
, success
);
2734 /* If there is still a control process, wait for that first */
2738 assert_not_reached("Uh, main process died at wrong time.");
2742 } else if (s
->control_pid
== pid
) {
2746 if (s
->control_command
) {
2747 exec_status_exit(&s
->control_command
->exec_status
, &s
->exec_context
, pid
, code
, status
);
2749 if (s
->control_command
->ignore
)
2753 log_full(success
? LOG_DEBUG
: LOG_NOTICE
,
2754 "%s: control process exited, code=%s status=%i", u
->id
, sigchld_code_to_string(code
), status
);
2755 s
->failure
= s
->failure
|| !success
;
2757 if (s
->control_command
&&
2758 s
->control_command
->command_next
&&
2761 /* There is another command to *
2762 * execute, so let's do that. */
2764 log_debug("%s running next control command for state %s", u
->id
, service_state_to_string(s
->state
));
2765 service_run_next_control(s
, success
);
2768 /* No further commands for this step, so let's
2769 * figure out what to do next */
2771 s
->control_command
= NULL
;
2772 s
->control_command_id
= _SERVICE_EXEC_COMMAND_INVALID
;
2774 log_debug("%s got final SIGCHLD for state %s", u
->id
, service_state_to_string(s
->state
));
2778 case SERVICE_START_PRE
:
2780 service_enter_start(s
);
2782 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2786 assert(s
->type
== SERVICE_FORKING
);
2789 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2794 /* Let's try to load the pid file here if we can.
2795 * The PID file might actually be created by a START_POST
2796 * script. In that case don't worry if the loading fails. */
2797 bool has_start_post
= !!s
->exec_command
[SERVICE_EXEC_START_POST
];
2798 int r
= service_load_pid_file(s
, !has_start_post
);
2799 if (!has_start_post
&& r
< 0) {
2800 r
= service_demand_pid_file(s
);
2801 if (r
< 0 || !cgroup_good(s
))
2802 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2806 service_search_main_pid(s
);
2808 service_enter_start_post(s
);
2811 case SERVICE_START_POST
:
2813 service_enter_stop(s
, false);
2818 int r
= service_load_pid_file(s
, true);
2820 r
= service_demand_pid_file(s
);
2821 if (r
< 0 || !cgroup_good(s
))
2822 service_enter_stop(s
, false);
2826 service_search_main_pid(s
);
2828 service_enter_running(s
, true);
2831 case SERVICE_RELOAD
:
2833 service_load_pid_file(s
, true);
2834 service_search_main_pid(s
);
2837 s
->reload_failure
= !success
;
2838 service_enter_running(s
, true);
2842 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, success
);
2845 case SERVICE_STOP_SIGTERM
:
2846 case SERVICE_STOP_SIGKILL
:
2847 if (main_pid_good(s
) <= 0)
2848 service_enter_stop_post(s
, success
);
2850 /* If there is still a service
2851 * process around, wait until
2852 * that one quit, too */
2855 case SERVICE_STOP_POST
:
2856 case SERVICE_FINAL_SIGTERM
:
2857 case SERVICE_FINAL_SIGKILL
:
2858 service_enter_dead(s
, success
, true);
2862 assert_not_reached("Uh, control process died at wrong time.");
2867 /* Notify clients about changed exit status */
2868 unit_add_to_dbus_queue(u
);
2871 static void service_timer_event(Unit
*u
, uint64_t elapsed
, Watch
* w
) {
2872 Service
*s
= SERVICE(u
);
2875 assert(elapsed
== 1);
2877 assert(w
== &s
->timer_watch
);
2881 case SERVICE_START_PRE
:
2883 log_warning("%s operation timed out. Terminating.", u
->id
);
2884 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2887 case SERVICE_START_POST
:
2888 log_warning("%s operation timed out. Stopping.", u
->id
);
2889 service_enter_stop(s
, false);
2892 case SERVICE_RELOAD
:
2893 log_warning("%s operation timed out. Stopping.", u
->id
);
2894 s
->reload_failure
= true;
2895 service_enter_running(s
, true);
2899 log_warning("%s stopping timed out. Terminating.", u
->id
);
2900 service_enter_signal(s
, SERVICE_STOP_SIGTERM
, false);
2903 case SERVICE_STOP_SIGTERM
:
2904 if (s
->exec_context
.send_sigkill
) {
2905 log_warning("%s stopping timed out. Killing.", u
->id
);
2906 service_enter_signal(s
, SERVICE_STOP_SIGKILL
, false);
2908 log_warning("%s stopping timed out. Skipping SIGKILL.", u
->id
);
2909 service_enter_stop_post(s
, false);
2914 case SERVICE_STOP_SIGKILL
:
2915 /* Uh, we sent a SIGKILL and it is still not gone?
2916 * Must be something we cannot kill, so let's just be
2917 * weirded out and continue */
2919 log_warning("%s still around after SIGKILL. Ignoring.", u
->id
);
2920 service_enter_stop_post(s
, false);
2923 case SERVICE_STOP_POST
:
2924 log_warning("%s stopping timed out (2). Terminating.", u
->id
);
2925 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2928 case SERVICE_FINAL_SIGTERM
:
2929 if (s
->exec_context
.send_sigkill
) {
2930 log_warning("%s stopping timed out (2). Killing.", u
->id
);
2931 service_enter_signal(s
, SERVICE_FINAL_SIGKILL
, false);
2933 log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u
->id
);
2934 service_enter_dead(s
, false, true);
2939 case SERVICE_FINAL_SIGKILL
:
2940 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u
->id
);
2941 service_enter_dead(s
, false, true);
2944 case SERVICE_AUTO_RESTART
:
2945 log_info("%s holdoff time over, scheduling restart.", u
->id
);
2946 service_enter_restart(s
);
2950 assert_not_reached("Timeout at wrong time.");
2954 static void service_cgroup_notify_event(Unit
*u
) {
2955 Service
*s
= SERVICE(u
);
2959 log_debug("%s: cgroup is empty", u
->id
);
2963 /* Waiting for SIGCHLD is usually more interesting,
2964 * because it includes return codes/signals. Which is
2965 * why we ignore the cgroup events for most cases,
2966 * except when we don't know pid which to expect the
2970 case SERVICE_START_POST
:
2971 /* If we were hoping for the daemon to write its PID file,
2972 * we can give up now. */
2973 if (s
->pid_file_pathspec
) {
2974 log_warning("%s never wrote its PID file. Failing.", s
->meta
.id
);
2975 service_unwatch_pid_file(s
);
2976 if (s
->state
== SERVICE_START
)
2977 service_enter_signal(s
, SERVICE_FINAL_SIGTERM
, false);
2979 service_enter_stop(s
, false);
2983 case SERVICE_RUNNING
:
2984 service_enter_running(s
, true);
2987 case SERVICE_STOP_SIGTERM
:
2988 case SERVICE_STOP_SIGKILL
:
2990 if (main_pid_good(s
) <= 0 && !control_pid_good(s
))
2991 service_enter_stop_post(s
, true);
2995 case SERVICE_FINAL_SIGTERM
:
2996 case SERVICE_FINAL_SIGKILL
:
2997 if (main_pid_good(s
) <= 0 && !control_pid_good(s
))
2998 service_enter_dead(s
, true, true);
3007 static void service_notify_message(Unit
*u
, pid_t pid
, char **tags
) {
3008 Service
*s
= SERVICE(u
);
3013 if (s
->notify_access
== NOTIFY_NONE
) {
3014 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
3015 u
->id
, (unsigned long) pid
);
3019 if (s
->notify_access
== NOTIFY_MAIN
&& pid
!= s
->main_pid
) {
3020 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
3021 u
->id
, (unsigned long) pid
, (unsigned long) s
->main_pid
);
3025 log_debug("%s: Got message", u
->id
);
3027 /* Interpret MAINPID= */
3028 if ((e
= strv_find_prefix(tags
, "MAINPID=")) &&
3029 (s
->state
== SERVICE_START
||
3030 s
->state
== SERVICE_START_POST
||
3031 s
->state
== SERVICE_RUNNING
||
3032 s
->state
== SERVICE_RELOAD
)) {
3034 if (parse_pid(e
+ 8, &pid
) < 0)
3035 log_warning("Failed to parse notification message %s", e
);
3037 log_debug("%s: got %s", u
->id
, e
);
3038 service_set_main_pid(s
, pid
);
3042 /* Interpret READY= */
3043 if (s
->type
== SERVICE_NOTIFY
&&
3044 s
->state
== SERVICE_START
&&
3045 strv_find(tags
, "READY=1")) {
3046 log_debug("%s: got READY=1", u
->id
);
3048 service_enter_start_post(s
);
3051 /* Interpret STATUS= */
3052 if ((e
= strv_find_prefix(tags
, "STATUS="))) {
3056 if (!(t
= strdup(e
+7))) {
3057 log_error("Failed to allocate string.");
3061 log_debug("%s: got %s", u
->id
, e
);
3063 free(s
->status_text
);
3066 free(s
->status_text
);
3067 s
->status_text
= NULL
;
3072 /* Notify clients about changed status or main pid */
3073 unit_add_to_dbus_queue(u
);
3076 #ifdef HAVE_SYSV_COMPAT
3079 static void sysv_facility_in_insserv_conf(Manager
*mgr
) {
3083 if (!(f
= fopen("/etc/insserv.conf", "re"))) {
3084 r
= errno
== ENOENT
? 0 : -errno
;
3089 char l
[LINE_MAX
], *t
;
3090 char **parsed
= NULL
;
3092 if (!fgets(l
, sizeof(l
), f
)) {
3097 log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r
));
3102 if (*t
!= '$' && *t
!= '<')
3105 parsed
= strv_split(t
,WHITESPACE
);
3106 /* we ignore <interactive>, not used, equivalent to X-Interactive */
3107 if (parsed
&& !startswith_no_case (parsed
[0], "<interactive>")) {
3110 if (sysv_translate_facility(parsed
[0], NULL
, &facility
) < 0)
3112 if ((u
= manager_get_unit(mgr
, facility
)) && (u
->type
== UNIT_TARGET
)) {
3114 char *dep
= NULL
, *name
, **j
;
3116 STRV_FOREACH (j
, parsed
+1) {
3125 if (sysv_translate_facility(name
, NULL
, &dep
) < 0)
3128 r
= unit_add_two_dependencies_by_name(u
, UNIT_BEFORE
, e
, dep
, NULL
, true);
3143 static int service_enumerate(Manager
*m
) {
3147 char *path
= NULL
, *fpath
= NULL
, *name
= NULL
;
3148 Set
*runlevel_services
[ELEMENTSOF(rcnd_table
)], *shutdown_services
= NULL
;
3155 if (m
->running_as
!= MANAGER_SYSTEM
)
3158 zero(runlevel_services
);
3160 STRV_FOREACH(p
, m
->lookup_paths
.sysvrcnd_path
)
3161 for (i
= 0; i
< ELEMENTSOF(rcnd_table
); i
++) {
3165 path
= join(*p
, "/", rcnd_table
[i
].path
, NULL
);
3174 if (!(d
= opendir(path
))) {
3175 if (errno
!= ENOENT
)
3176 log_warning("opendir() failed on %s: %s", path
, strerror(errno
));
3181 while ((de
= readdir(d
))) {
3184 if (ignore_file(de
->d_name
))
3187 if (de
->d_name
[0] != 'S' && de
->d_name
[0] != 'K')
3190 if (strlen(de
->d_name
) < 4)
3193 a
= undecchar(de
->d_name
[1]);
3194 b
= undecchar(de
->d_name
[2]);
3200 fpath
= join(path
, "/", de
->d_name
, NULL
);
3206 if (access(fpath
, X_OK
) < 0) {
3208 if (errno
!= ENOENT
)
3209 log_warning("access() failed on %s: %s", fpath
, strerror(errno
));
3215 if (!(name
= sysv_translate_name(de
->d_name
+ 3))) {
3220 if ((r
= manager_load_unit_prepare(m
, name
, NULL
, NULL
, &service
)) < 0) {
3221 log_warning("Failed to prepare unit %s: %s", name
, strerror(-r
));
3225 if (de
->d_name
[0] == 'S') {
3227 if (rcnd_table
[i
].type
== RUNLEVEL_UP
|| rcnd_table
[i
].type
== RUNLEVEL_SYSINIT
) {
3228 SERVICE(service
)->sysv_start_priority_from_rcnd
=
3229 MAX(a
*10 + b
, SERVICE(service
)->sysv_start_priority_from_rcnd
);
3231 SERVICE(service
)->sysv_enabled
= true;
3234 if ((r
= set_ensure_allocated(&runlevel_services
[i
], trivial_hash_func
, trivial_compare_func
)) < 0)
3237 if ((r
= set_put(runlevel_services
[i
], service
)) < 0)
3240 } else if (de
->d_name
[0] == 'K' &&
3241 (rcnd_table
[i
].type
== RUNLEVEL_DOWN
||
3242 rcnd_table
[i
].type
== RUNLEVEL_SYSINIT
)) {
3244 if ((r
= set_ensure_allocated(&shutdown_services
, trivial_hash_func
, trivial_compare_func
)) < 0)
3247 if ((r
= set_put(shutdown_services
, service
)) < 0)
3253 /* Now we loaded all stubs and are aware of the lowest
3254 start-up priority for all services, not let's actually load
3255 the services, this will also tell us which services are
3256 actually native now */
3257 manager_dispatch_load_queue(m
);
3259 /* If this is a native service, rely on native ways to pull in
3260 * a service, don't pull it in via sysv rcN.d links. */
3261 for (i
= 0; i
< ELEMENTSOF(rcnd_table
); i
++)
3262 SET_FOREACH(service
, runlevel_services
[i
], j
) {
3263 service
= unit_follow_merge(service
);
3265 if (service
->fragment_path
)
3268 if ((r
= unit_add_two_dependencies_by_name_inverse(service
, UNIT_AFTER
, UNIT_WANTS
, rcnd_table
[i
].target
, NULL
, true)) < 0)
3272 /* We honour K links only for halt/reboot. For the normal
3273 * runlevels we assume the stop jobs will be implicitly added
3274 * by the core logic. Also, we don't really distinguish here
3275 * between the runlevels 0 and 6 and just add them to the
3276 * special shutdown target. On SUSE the boot.d/ runlevel is
3277 * also used for shutdown, so we add links for that too to the
3278 * shutdown target.*/
3279 SET_FOREACH(service
, shutdown_services
, j
) {
3280 service
= unit_follow_merge(service
);
3282 if (service
->fragment_path
)
3285 if ((r
= unit_add_two_dependencies_by_name(service
, UNIT_BEFORE
, UNIT_CONFLICTS
, SPECIAL_SHUTDOWN_TARGET
, NULL
, true)) < 0)
3292 sysv_facility_in_insserv_conf (m
);
3300 for (i
= 0; i
< ELEMENTSOF(rcnd_table
); i
++)
3301 set_free(runlevel_services
[i
]);
3302 set_free(shutdown_services
);
3311 static void service_bus_name_owner_change(
3314 const char *old_owner
,
3315 const char *new_owner
) {
3317 Service
*s
= SERVICE(u
);
3322 assert(streq(s
->bus_name
, name
));
3323 assert(old_owner
|| new_owner
);
3325 if (old_owner
&& new_owner
)
3326 log_debug("%s's D-Bus name %s changed owner from %s to %s", u
->id
, name
, old_owner
, new_owner
);
3328 log_debug("%s's D-Bus name %s no longer registered by %s", u
->id
, name
, old_owner
);
3330 log_debug("%s's D-Bus name %s now registered by %s", u
->id
, name
, new_owner
);
3332 s
->bus_name_good
= !!new_owner
;
3334 if (s
->type
== SERVICE_DBUS
) {
3336 /* service_enter_running() will figure out what to
3338 if (s
->state
== SERVICE_RUNNING
)
3339 service_enter_running(s
, true);
3340 else if (s
->state
== SERVICE_START
&& new_owner
)
3341 service_enter_start_post(s
);
3343 } else if (new_owner
&&
3345 (s
->state
== SERVICE_START
||
3346 s
->state
== SERVICE_START_POST
||
3347 s
->state
== SERVICE_RUNNING
||
3348 s
->state
== SERVICE_RELOAD
)) {
3350 /* Try to acquire PID from bus service */
3351 log_debug("Trying to acquire PID from D-Bus name...");
3353 bus_query_pid(u
->manager
, name
);
3357 static void service_bus_query_pid_done(
3362 Service
*s
= SERVICE(u
);
3367 log_debug("%s's D-Bus name %s is now owned by process %u", u
->id
, name
, (unsigned) pid
);
3369 if (s
->main_pid
<= 0 &&
3370 (s
->state
== SERVICE_START
||
3371 s
->state
== SERVICE_START_POST
||
3372 s
->state
== SERVICE_RUNNING
||
3373 s
->state
== SERVICE_RELOAD
))
3374 service_set_main_pid(s
, pid
);
3377 int service_set_socket_fd(Service
*s
, int fd
, Socket
*sock
) {
3382 /* This is called by the socket code when instantiating a new
3383 * service for a stream socket and the socket needs to be
3386 if (s
->meta
.load_state
!= UNIT_LOADED
)
3389 if (s
->socket_fd
>= 0)
3392 if (s
->state
!= SERVICE_DEAD
)
3396 s
->got_socket_fd
= true;
3398 unit_ref_set(&s
->accept_socket
, UNIT(sock
));
3400 return unit_add_two_dependencies(UNIT(sock
), UNIT_BEFORE
, UNIT_TRIGGERS
, UNIT(s
), false);
3403 static void service_reset_failed(Unit
*u
) {
3404 Service
*s
= SERVICE(u
);
3408 if (s
->state
== SERVICE_FAILED
)
3409 service_set_state(s
, SERVICE_DEAD
);
3414 static bool service_need_daemon_reload(Unit
*u
) {
3415 Service
*s
= SERVICE(u
);
3419 #ifdef HAVE_SYSV_COMPAT
3424 if (stat(s
->sysv_path
, &st
) < 0)
3425 /* What, cannot access this anymore? */
3428 if (s
->sysv_mtime
> 0 &&
3429 timespec_load(&st
.st_mtim
) != s
->sysv_mtime
)
3437 static int service_kill(Unit
*u
, KillWho who
, KillMode mode
, int signo
, DBusError
*error
) {
3438 Service
*s
= SERVICE(u
);
3440 Set
*pid_set
= NULL
;
3444 if (s
->main_pid
<= 0 && who
== KILL_MAIN
) {
3445 dbus_set_error(error
, BUS_ERROR_NO_SUCH_PROCESS
, "No main process to kill");
3449 if (s
->control_pid
<= 0 && who
== KILL_CONTROL
) {
3450 dbus_set_error(error
, BUS_ERROR_NO_SUCH_PROCESS
, "No control process to kill");
3454 if (who
== KILL_CONTROL
|| who
== KILL_ALL
)
3455 if (s
->control_pid
> 0)
3456 if (kill(s
->control_pid
, signo
) < 0)
3459 if (who
== KILL_MAIN
|| who
== KILL_ALL
)
3460 if (s
->main_pid
> 0)
3461 if (kill(s
->main_pid
, signo
) < 0)
3464 if (who
== KILL_ALL
&& mode
== KILL_CONTROL_GROUP
) {
3467 if (!(pid_set
= set_new(trivial_hash_func
, trivial_compare_func
)))
3470 /* Exclude the control/main pid from being killed via the cgroup */
3471 if (s
->control_pid
> 0)
3472 if ((q
= set_put(pid_set
, LONG_TO_PTR(s
->control_pid
))) < 0) {
3477 if (s
->main_pid
> 0)
3478 if ((q
= set_put(pid_set
, LONG_TO_PTR(s
->main_pid
))) < 0) {
3483 if ((q
= cgroup_bonding_kill_list(s
->meta
.cgroup_bondings
, signo
, false, pid_set
)) < 0)
3484 if (q
!= -EAGAIN
&& q
!= -ESRCH
&& q
!= -ENOENT
)
3495 static const char* const service_state_table
[_SERVICE_STATE_MAX
] = {
3496 [SERVICE_DEAD
] = "dead",
3497 [SERVICE_START_PRE
] = "start-pre",
3498 [SERVICE_START
] = "start",
3499 [SERVICE_START_POST
] = "start-post",
3500 [SERVICE_RUNNING
] = "running",
3501 [SERVICE_EXITED
] = "exited",
3502 [SERVICE_RELOAD
] = "reload",
3503 [SERVICE_STOP
] = "stop",
3504 [SERVICE_STOP_SIGTERM
] = "stop-sigterm",
3505 [SERVICE_STOP_SIGKILL
] = "stop-sigkill",
3506 [SERVICE_STOP_POST
] = "stop-post",
3507 [SERVICE_FINAL_SIGTERM
] = "final-sigterm",
3508 [SERVICE_FINAL_SIGKILL
] = "final-sigkill",
3509 [SERVICE_FAILED
] = "failed",
3510 [SERVICE_AUTO_RESTART
] = "auto-restart",
3513 DEFINE_STRING_TABLE_LOOKUP(service_state
, ServiceState
);
3515 static const char* const service_restart_table
[_SERVICE_RESTART_MAX
] = {
3516 [SERVICE_RESTART_NO
] = "no",
3517 [SERVICE_RESTART_ON_SUCCESS
] = "on-success",
3518 [SERVICE_RESTART_ON_FAILURE
] = "on-failure",
3519 [SERVICE_RESTART_ON_ABORT
] = "on-abort",
3520 [SERVICE_RESTART_ALWAYS
] = "always"
3523 DEFINE_STRING_TABLE_LOOKUP(service_restart
, ServiceRestart
);
3525 static const char* const service_type_table
[_SERVICE_TYPE_MAX
] = {
3526 [SERVICE_SIMPLE
] = "simple",
3527 [SERVICE_FORKING
] = "forking",
3528 [SERVICE_ONESHOT
] = "oneshot",
3529 [SERVICE_DBUS
] = "dbus",
3530 [SERVICE_NOTIFY
] = "notify"
3533 DEFINE_STRING_TABLE_LOOKUP(service_type
, ServiceType
);
3535 static const char* const service_exec_command_table
[_SERVICE_EXEC_COMMAND_MAX
] = {
3536 [SERVICE_EXEC_START_PRE
] = "ExecStartPre",
3537 [SERVICE_EXEC_START
] = "ExecStart",
3538 [SERVICE_EXEC_START_POST
] = "ExecStartPost",
3539 [SERVICE_EXEC_RELOAD
] = "ExecReload",
3540 [SERVICE_EXEC_STOP
] = "ExecStop",
3541 [SERVICE_EXEC_STOP_POST
] = "ExecStopPost",
3544 DEFINE_STRING_TABLE_LOOKUP(service_exec_command
, ServiceExecCommand
);
3546 static const char* const notify_access_table
[_NOTIFY_ACCESS_MAX
] = {
3547 [NOTIFY_NONE
] = "none",
3548 [NOTIFY_MAIN
] = "main",
3549 [NOTIFY_ALL
] = "all"
3552 DEFINE_STRING_TABLE_LOOKUP(notify_access
, NotifyAccess
);
3554 const UnitVTable service_vtable
= {
3555 .suffix
= ".service",
3556 .object_size
= sizeof(Service
),
3561 .show_status
= true,
3563 .init
= service_init
,
3564 .done
= service_done
,
3565 .load
= service_load
,
3567 .coldplug
= service_coldplug
,
3569 .dump
= service_dump
,
3571 .start
= service_start
,
3572 .stop
= service_stop
,
3573 .reload
= service_reload
,
3575 .can_reload
= service_can_reload
,
3577 .kill
= service_kill
,
3579 .serialize
= service_serialize
,
3580 .deserialize_item
= service_deserialize_item
,
3582 .active_state
= service_active_state
,
3583 .sub_state_to_string
= service_sub_state_to_string
,
3585 .check_gc
= service_check_gc
,
3586 .check_snapshot
= service_check_snapshot
,
3588 .sigchld_event
= service_sigchld_event
,
3589 .timer_event
= service_timer_event
,
3590 .fd_event
= service_fd_event
,
3592 .reset_failed
= service_reset_failed
,
3594 .need_daemon_reload
= service_need_daemon_reload
,
3596 .cgroup_notify_empty
= service_cgroup_notify_event
,
3597 .notify_message
= service_notify_message
,
3599 .bus_name_owner_change
= service_bus_name_owner_change
,
3600 .bus_query_pid_done
= service_bus_query_pid_done
,
3602 .bus_interface
= "org.freedesktop.systemd1.Service",
3603 .bus_message_handler
= bus_service_message_handler
,
3604 .bus_invalidating_properties
= bus_service_invalidating_properties
,
3606 #ifdef HAVE_SYSV_COMPAT
3607 .enumerate
= service_enumerate