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/>.
22 #include <dbus/dbus.h>
28 #include <sys/types.h>
37 #include "mount-setup.h"
38 #include "hostname-setup.h"
39 #include "loopback-setup.h"
40 #include "kmod-setup.h"
41 #include "modprobe-setup.h"
42 #include "load-fragment.h"
45 #include "conf-parser.h"
51 ACTION_DUMP_CONFIGURATION_ITEMS
,
53 } arg_action
= ACTION_RUN
;
55 static char *arg_default_unit
= NULL
;
56 static ManagerRunningAs arg_running_as
= _MANAGER_RUNNING_AS_INVALID
;
58 static bool arg_dump_core
= true;
59 static bool arg_crash_shell
= false;
60 static int arg_crash_chvt
= -1;
61 static bool arg_confirm_spawn
= false;
62 static bool arg_nomodules
= false;
63 static bool arg_show_status
= true;
65 static FILE* serialization
= NULL
;
67 _noreturn_
static void freeze(void) {
72 static void nop_handler(int sig
) {
75 _noreturn_
static void crash(int sig
) {
78 log_error("Caught <%s>, not dumping core.", strsignal(sig
));
83 /* We want to wait for the core process, hence let's enable SIGCHLD */
85 sa
.sa_handler
= nop_handler
;
86 sa
.sa_flags
= SA_NOCLDSTOP
|SA_RESTART
;
87 assert_se(sigaction(SIGCHLD
, &sa
, NULL
) == 0);
89 if ((pid
= fork()) < 0)
90 log_error("Caught <%s>, cannot fork for core dump: %s", strsignal(sig
), strerror(errno
));
95 /* Enable default signal handler for core dump */
97 sa
.sa_handler
= SIG_DFL
;
98 assert_se(sigaction(sig
, &sa
, NULL
) == 0);
100 /* Don't limit the core dump size */
102 rl
.rlim_cur
= RLIM_INFINITY
;
103 rl
.rlim_max
= RLIM_INFINITY
;
104 setrlimit(RLIMIT_CORE
, &rl
);
106 /* Just to be sure... */
107 assert_se(chdir("/") == 0);
109 /* Raise the signal again */
112 assert_not_reached("We shouldn't be here...");
118 /* Order things nicely. */
119 if ((r
= waitpid(pid
, &status
, 0)) < 0)
120 log_error("Caught <%s>, waitpid() failed: %s", strsignal(sig
), strerror(errno
));
121 else if (!WCOREDUMP(status
))
122 log_error("Caught <%s>, core dump failed.", strsignal(sig
));
124 log_error("Caught <%s>, dumped core as pid %lu.", strsignal(sig
), (unsigned long) pid
);
129 chvt(arg_crash_chvt
);
131 if (arg_crash_shell
) {
135 log_info("Executing crash shell in 10s...");
138 /* Let the kernel reap children for us */
140 sa
.sa_handler
= SIG_IGN
;
141 sa
.sa_flags
= SA_NOCLDSTOP
|SA_NOCLDWAIT
|SA_RESTART
;
142 assert_se(sigaction(SIGCHLD
, &sa
, NULL
) == 0);
144 if ((pid
= fork()) < 0)
145 log_error("Failed to fork off crash shell: %s", strerror(errno
));
149 if ((fd
= acquire_terminal("/dev/console", false, true, true)) < 0)
150 log_error("Failed to acquire terminal: %s", strerror(-fd
));
151 else if ((r
= make_stdio(fd
)) < 0)
152 log_error("Failed to duplicate terminal fd: %s", strerror(-r
));
154 execl("/bin/sh", "/bin/sh", NULL
);
156 log_error("execl() failed: %s", strerror(errno
));
160 log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid
);
163 log_info("Freezing execution.");
167 static void install_crash_handler(void) {
172 sa
.sa_handler
= crash
;
173 sa
.sa_flags
= SA_NODEFER
;
175 sigaction_many(&sa
, SIGNALS_CRASH_HANDLER
, -1);
178 static int make_null_stdio(void) {
181 if ((null_fd
= open("/dev/null", O_RDWR
|O_NOCTTY
)) < 0) {
182 log_error("Failed to open /dev/null: %m");
186 if ((r
= make_stdio(null_fd
)) < 0)
187 log_warning("Failed to dup2() device: %s", strerror(-r
));
192 static int console_setup(bool do_reset
) {
195 /* If we are init, we connect stdin/stdout/stderr to /dev/null
196 * and make sure we don't have a controlling tty. */
203 if ((tty_fd
= open_terminal("/dev/console", O_WRONLY
|O_NOCTTY
|O_CLOEXEC
)) < 0) {
204 log_error("Failed to open /dev/console: %s", strerror(-tty_fd
));
208 if ((r
= reset_terminal(tty_fd
)) < 0)
209 log_error("Failed to reset /dev/console: %s", strerror(-r
));
211 close_nointr_nofail(tty_fd
);
215 static int set_default_unit(const char *u
) {
220 if (!(c
= strdup(u
)))
223 free(arg_default_unit
);
224 arg_default_unit
= c
;
228 static int parse_proc_cmdline_word(const char *word
) {
230 static const char * const rlmap
[] = {
231 "single", SPECIAL_RESCUE_TARGET
,
232 "-s", SPECIAL_RESCUE_TARGET
,
233 "s", SPECIAL_RESCUE_TARGET
,
234 "S", SPECIAL_RESCUE_TARGET
,
235 "1", SPECIAL_RESCUE_TARGET
,
236 "2", SPECIAL_RUNLEVEL2_TARGET
,
237 "3", SPECIAL_RUNLEVEL3_TARGET
,
238 "4", SPECIAL_RUNLEVEL4_TARGET
,
239 "5", SPECIAL_RUNLEVEL5_TARGET
241 bool ignore_quiet
= false;
243 if (startswith(word
, "systemd.unit="))
244 return set_default_unit(word
+ 13);
246 else if (startswith(word
, "systemd.log_target=")) {
248 if (log_set_target_from_string(word
+ 19) < 0)
249 log_warning("Failed to parse log target %s. Ignoring.", word
+ 19);
251 } else if (startswith(word
, "systemd.log_level=")) {
253 if (log_set_max_level_from_string(word
+ 18) < 0)
254 log_warning("Failed to parse log level %s. Ignoring.", word
+ 18);
256 } else if (startswith(word
, "systemd.log_color=")) {
258 if (log_show_color_from_string(word
+ 18) < 0)
259 log_warning("Failed to parse log color setting %s. Ignoring.", word
+ 18);
261 } else if (startswith(word
, "systemd.log_location=")) {
263 if (log_show_location_from_string(word
+ 21) < 0)
264 log_warning("Failed to parse log location setting %s. Ignoring.", word
+ 21);
266 } else if (startswith(word
, "systemd.dump_core=")) {
269 if ((r
= parse_boolean(word
+ 18)) < 0)
270 log_warning("Failed to parse dump core switch %s, Ignoring.", word
+ 18);
274 } else if (startswith(word
, "systemd.crash_shell=")) {
277 if ((r
= parse_boolean(word
+ 20)) < 0)
278 log_warning("Failed to parse crash shell switch %s, Ignoring.", word
+ 20);
282 } else if (startswith(word
, "systemd.confirm_spawn=")) {
285 if ((r
= parse_boolean(word
+ 22)) < 0)
286 log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word
+ 22);
288 arg_confirm_spawn
= r
;
290 } else if (startswith(word
, "systemd.crash_chvt=")) {
293 if (safe_atoi(word
+ 19, &k
) < 0)
294 log_warning("Failed to parse crash chvt switch %s, Ignoring.", word
+ 19);
298 } else if (startswith(word
, "systemd.show_status=")) {
301 if ((r
= parse_boolean(word
+ 20)) < 0)
302 log_warning("Failed to parse show status switch %s, Ignoring.", word
+ 20);
308 } else if (startswith(word
, "systemd.")) {
310 log_warning("Unknown kernel switch %s. Ignoring.", word
);
312 log_info("Supported kernel switches:\n"
313 "systemd.unit=UNIT Default unit to start\n"
314 "systemd.log_target=console|kmsg|syslog| Log target\n"
315 " syslog-org-kmsg|null\n"
316 "systemd.log_level=LEVEL Log level\n"
317 "systemd.log_color=0|1 Highlight important log messages\n"
318 "systemd.log_location=0|1 Include code location in log messages\n"
319 "systemd.dump_core=0|1 Dump core on crash\n"
320 "systemd.crash_shell=0|1 Run shell on crash\n"
321 "systemd.crash_chvt=N Change to VT #N on crash\n"
322 "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
323 "systemd.show_status=0|1 Show status updates on the console during bootup\n");
325 } else if (streq(word
, "nomodules"))
326 arg_nomodules
= true;
327 else if (streq(word
, "quiet")) {
329 arg_show_status
= false;
333 /* SysV compatibility */
334 for (i
= 0; i
< ELEMENTSOF(rlmap
); i
+= 2)
335 if (streq(word
, rlmap
[i
]))
336 return set_default_unit(rlmap
[i
+1]);
342 static int config_parse_level(
343 const char *filename
,
355 log_set_max_level_from_string(rvalue
);
359 static int config_parse_target(
360 const char *filename
,
372 log_set_target_from_string(rvalue
);
376 static int config_parse_color(
377 const char *filename
,
389 log_show_color_from_string(rvalue
);
393 static int config_parse_location(
394 const char *filename
,
406 log_show_location_from_string(rvalue
);
410 static int config_parse_cpu_affinity(
411 const char *filename
,
429 FOREACH_WORD(w
, l
, rvalue
, state
) {
434 if (!(t
= strndup(w
, l
)))
437 r
= safe_atou(t
, &cpu
);
441 if (!(c
= cpu_set_malloc(&ncpus
)))
444 if (r
< 0 || cpu
>= ncpus
) {
445 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename
, line
, rvalue
);
450 CPU_SET_S(cpu
, CPU_ALLOC_SIZE(ncpus
), c
);
454 if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus
), c
) < 0)
455 log_warning("Failed to set CPU affinity: %m");
463 static int parse_config_file(void) {
465 const ConfigItem items
[] = {
466 { "LogLevel", config_parse_level
, NULL
, "Manager" },
467 { "LogTarget", config_parse_target
, NULL
, "Manager" },
468 { "LogColor", config_parse_color
, NULL
, "Manager" },
469 { "LogLocation", config_parse_location
, NULL
, "Manager" },
470 { "DumpCore", config_parse_bool
, &arg_dump_core
, "Manager" },
471 { "CrashShell", config_parse_bool
, &arg_crash_shell
, "Manager" },
472 { "ShowStatus", config_parse_bool
, &arg_show_status
, "Manager" },
473 { "CrashChVT", config_parse_int
, &arg_crash_chvt
, "Manager" },
474 { "CPUAffinity", config_parse_cpu_affinity
, NULL
, "Manager" },
475 { NULL
, NULL
, NULL
, NULL
}
478 static const char * const sections
[] = {
487 fn
= arg_running_as
== MANAGER_SYSTEM
? SYSTEM_CONFIG_FILE
: SESSION_CONFIG_FILE
;
489 if (!(f
= fopen(fn
, "re"))) {
493 log_warning("Failed to open configuration file '%s': %m", fn
);
497 if ((r
= config_parse(fn
, f
, sections
, items
, false, NULL
)) < 0)
498 log_warning("Failed to parse configuration file: %s", strerror(-r
));
505 static int parse_proc_cmdline(void) {
512 if ((r
= read_one_line_file("/proc/cmdline", &line
)) < 0) {
513 log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(errno
));
517 FOREACH_WORD_QUOTED(w
, l
, line
, state
) {
520 if (!(word
= strndup(w
, l
))) {
525 r
= parse_proc_cmdline_word(word
);
539 static int parse_argv(int argc
, char *argv
[]) {
542 ARG_LOG_LEVEL
= 0x100,
549 ARG_DUMP_CONFIGURATION_ITEMS
,
558 static const struct option options
[] = {
559 { "log-level", required_argument
, NULL
, ARG_LOG_LEVEL
},
560 { "log-target", required_argument
, NULL
, ARG_LOG_TARGET
},
561 { "log-color", optional_argument
, NULL
, ARG_LOG_COLOR
},
562 { "log-location", optional_argument
, NULL
, ARG_LOG_LOCATION
},
563 { "unit", required_argument
, NULL
, ARG_UNIT
},
564 { "running-as", required_argument
, NULL
, ARG_RUNNING_AS
},
565 { "test", no_argument
, NULL
, ARG_TEST
},
566 { "help", no_argument
, NULL
, 'h' },
567 { "dump-configuration-items", no_argument
, NULL
, ARG_DUMP_CONFIGURATION_ITEMS
},
568 { "dump-core", no_argument
, NULL
, ARG_DUMP_CORE
},
569 { "crash-shell", no_argument
, NULL
, ARG_CRASH_SHELL
},
570 { "confirm-spawn", no_argument
, NULL
, ARG_CONFIRM_SPAWN
},
571 { "show-status", no_argument
, NULL
, ARG_SHOW_STATUS
},
572 { "deserialize", required_argument
, NULL
, ARG_DESERIALIZE
},
573 { "introspect", optional_argument
, NULL
, ARG_INTROSPECT
},
582 while ((c
= getopt_long(argc
, argv
, "h", options
, NULL
)) >= 0)
587 if ((r
= log_set_max_level_from_string(optarg
)) < 0) {
588 log_error("Failed to parse log level %s.", optarg
);
596 if ((r
= log_set_target_from_string(optarg
)) < 0) {
597 log_error("Failed to parse log target %s.", optarg
);
606 if ((r
= log_show_color_from_string(optarg
)) < 0) {
607 log_error("Failed to parse log color setting %s.", optarg
);
611 log_show_color(true);
615 case ARG_LOG_LOCATION
:
618 if ((r
= log_show_location_from_string(optarg
)) < 0) {
619 log_error("Failed to parse log location setting %s.", optarg
);
623 log_show_location(true);
629 if ((r
= set_default_unit(optarg
)) < 0) {
630 log_error("Failed to set default unit %s: %s", optarg
, strerror(-r
));
636 case ARG_RUNNING_AS
: {
639 if ((as
= manager_running_as_from_string(optarg
)) < 0) {
640 log_error("Failed to parse running as value %s", optarg
);
649 arg_action
= ACTION_TEST
;
652 case ARG_DUMP_CONFIGURATION_ITEMS
:
653 arg_action
= ACTION_DUMP_CONFIGURATION_ITEMS
;
657 arg_dump_core
= true;
660 case ARG_CRASH_SHELL
:
661 arg_crash_shell
= true;
664 case ARG_CONFIRM_SPAWN
:
665 arg_confirm_spawn
= true;
668 case ARG_SHOW_STATUS
:
669 arg_show_status
= true;
672 case ARG_DESERIALIZE
: {
676 if ((r
= safe_atoi(optarg
, &fd
)) < 0 || fd
< 0) {
677 log_error("Failed to parse deserialize option %s.", optarg
);
681 if (!(f
= fdopen(fd
, "r"))) {
682 log_error("Failed to open serialization fd: %m");
687 fclose(serialization
);
694 case ARG_INTROSPECT
: {
695 const char * const * i
= NULL
;
697 for (i
= bus_interface_table
; *i
; i
+= 2)
698 if (!optarg
|| streq(i
[0], optarg
)) {
699 fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
702 fputs("</node>\n", stdout
);
709 log_error("Unknown interface %s.", optarg
);
711 arg_action
= ACTION_DONE
;
716 arg_action
= ACTION_HELP
;
723 log_error("Unknown option code %c", c
);
727 /* PID 1 will get the kernel arguments as parameters, which we
728 * ignore and unconditionally read from
729 * /proc/cmdline. However, we need to ignore those arguments
731 if (arg_running_as
!= MANAGER_SYSTEM
&& optind
< argc
) {
732 log_error("Excess arguments.");
739 static int help(void) {
741 printf("%s [OPTIONS...]\n\n"
742 "Starts up and maintains the system or a session.\n\n"
743 " -h --help Show this help\n"
744 " --test Determine startup sequence, dump it and exit\n"
745 " --dump-configuration-items Dump understood unit configuration items\n"
746 " --introspect[=INTERFACE] Extract D-Bus interface data\n"
747 " --unit=UNIT Set default unit\n"
748 " --running-as=AS Set running as (system, session)\n"
749 " --dump-core Dump core on crash\n"
750 " --crash-shell Run shell on crash\n"
751 " --confirm-spawn Ask for confirmation when spawning processes\n"
752 " --show-status Show status updates on the console during bootup\n"
753 " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
754 " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
755 " --log-color[=0|1] Highlight important log messages\n"
756 " --log-location[=0|1] Include code location in log messages\n",
757 program_invocation_short_name
);
762 static int prepare_reexecute(Manager
*m
, FILE **_f
, FDSet
**_fds
) {
771 if ((r
= manager_open_serialization(&f
)) < 0) {
772 log_error("Failed to create serialization faile: %s", strerror(-r
));
776 if (!(fds
= fdset_new())) {
778 log_error("Failed to allocate fd set: %s", strerror(-r
));
782 if ((r
= manager_serialize(m
, f
, fds
)) < 0) {
783 log_error("Failed to serialize state: %s", strerror(-r
));
787 if (fseeko(f
, 0, SEEK_SET
) < 0) {
788 log_error("Failed to rewind serialization fd: %m");
792 if ((r
= fd_cloexec(fileno(f
), false)) < 0) {
793 log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r
));
797 if ((r
= fdset_cloexec(fds
, false)) < 0) {
798 log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r
));
816 int main(int argc
, char *argv
[]) {
822 bool reexecute
= false;
824 if (getpid() != 1 && strstr(program_invocation_short_name
, "init")) {
825 /* This is compatbility support for SysV, where
826 * calling init as a user is identical to telinit. */
829 execv(SYSTEMCTL_BINARY_PATH
, argv
);
830 log_error("Failed to exec " SYSTEMCTL_BINARY_PATH
": %m");
834 log_show_color(true);
835 log_show_location(false);
836 log_set_max_level(LOG_DEBUG
);
839 arg_running_as
= MANAGER_SYSTEM
;
840 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG
);
842 arg_running_as
= MANAGER_SESSION
;
843 log_set_target(LOG_TARGET_CONSOLE
);
846 if (set_default_unit(SPECIAL_DEFAULT_TARGET
) < 0)
849 /* Mount /proc, /sys and friends, so that /proc/cmdline and
850 * /proc/$PID/fd is available. */
852 if (mount_setup() < 0)
855 /* Reset all signal handlers. */
856 assert_se(reset_all_signal_handlers() == 0);
858 /* If we are init, we can block sigkill. Yay. */
859 ignore_signals(SIGNALS_IGNORE
, -1);
861 if (parse_config_file() < 0)
864 if (arg_running_as
== MANAGER_SYSTEM
)
865 if (parse_proc_cmdline() < 0)
868 log_parse_environment();
870 if (parse_argv(argc
, argv
) < 0)
873 if (arg_action
== ACTION_HELP
) {
876 } else if (arg_action
== ACTION_DUMP_CONFIGURATION_ITEMS
) {
877 unit_dump_config_items(stdout
);
880 } else if (arg_action
== ACTION_DONE
) {
885 assert_se(arg_action
== ACTION_RUN
|| arg_action
== ACTION_TEST
);
887 /* Remember open file descriptors for later deserialization */
889 if ((r
= fdset_new_fill(&fds
)) < 0) {
890 log_error("Failed to allocate fd set: %s", strerror(-r
));
894 assert_se(fdset_remove(fds
, fileno(serialization
)) >= 0);
896 close_all_fds(NULL
, 0);
898 /* Set up PATH unless it is already set */
900 "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
901 arg_running_as
== MANAGER_SYSTEM
);
903 /* Move out of the way, so that we won't block unmounts */
904 assert_se(chdir("/") == 0);
906 if (arg_running_as
== MANAGER_SYSTEM
) {
907 /* Become a session leader if we aren't one yet. */
910 /* Disable the umask logic */
914 /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
915 dbus_connection_set_change_sigpipe(FALSE
);
917 /* Reset the console, but only if this is really init and we
918 * are freshly booted */
919 if (arg_running_as
== MANAGER_SYSTEM
&& arg_action
== ACTION_RUN
) {
920 console_setup(getpid() == 1 && !serialization
);
924 /* Open the logging devices, if possible and necessary */
927 /* Make sure we leave a core dump without panicing the
930 install_crash_handler();
932 log_debug(PACKAGE_STRING
" running in %s mode.", manager_running_as_to_string(arg_running_as
));
934 if (arg_running_as
== MANAGER_SYSTEM
&& !serialization
) {
937 modprobe_setup(arg_nomodules
);
943 if ((r
= manager_new(arg_running_as
, &m
)) < 0) {
944 log_error("Failed to allocate manager object: %s", strerror(-r
));
948 m
->confirm_spawn
= arg_confirm_spawn
;
949 m
->show_status
= arg_show_status
;
951 if ((r
= manager_startup(m
, serialization
, fds
)) < 0)
952 log_error("Failed to fully start up daemon: %s", strerror(-r
));
955 /* This will close all file descriptors that were opened, but
956 * not claimed by any unit. */
963 fclose(serialization
);
964 serialization
= NULL
;
966 log_debug("Activating default unit: %s", arg_default_unit
);
968 if ((r
= manager_load_unit(m
, arg_default_unit
, NULL
, &target
)) < 0) {
969 log_error("Failed to load default target: %s", strerror(-r
));
971 log_info("Trying to load rescue target...");
972 if ((r
= manager_load_unit(m
, SPECIAL_RESCUE_TARGET
, NULL
, &target
)) < 0) {
973 log_error("Failed to load rescue target: %s", strerror(-r
));
978 if (arg_action
== ACTION_TEST
) {
979 printf("-> By units:\n");
980 manager_dump_units(m
, stdout
, "\t");
983 if ((r
= manager_add_job(m
, JOB_START
, target
, JOB_REPLACE
, false, &job
)) < 0) {
984 log_error("Failed to start default target: %s", strerror(-r
));
988 if (arg_action
== ACTION_TEST
) {
989 printf("-> By jobs:\n");
990 manager_dump_jobs(m
, stdout
, "\t");
997 if ((r
= manager_loop(m
)) < 0) {
998 log_error("Failed to run mainloop: %s", strerror(-r
));
1002 switch (m
->exit_code
) {
1009 case MANAGER_RELOAD
:
1010 if ((r
= manager_reload(m
)) < 0)
1011 log_error("Failed to reload: %s", strerror(-r
));
1014 case MANAGER_REEXECUTE
:
1015 if (prepare_reexecute(m
, &serialization
, &fds
) < 0)
1019 log_debug("Reexecuting.");
1023 assert_not_reached("Unknown exit code.");
1031 free(arg_default_unit
);
1036 const char *args
[11];
1040 assert(serialization
);
1043 args
[i
++] = SYSTEMD_BINARY_PATH
;
1045 args
[i
++] = "--log-level";
1046 args
[i
++] = log_level_to_string(log_get_max_level());
1048 args
[i
++] = "--log-target";
1049 args
[i
++] = log_target_to_string(log_get_target());
1051 args
[i
++] = "--running-as";
1052 args
[i
++] = manager_running_as_to_string(arg_running_as
);
1054 snprintf(sfd
, sizeof(sfd
), "%i", fileno(serialization
));
1057 args
[i
++] = "--deserialize";
1060 if (arg_confirm_spawn
)
1061 args
[i
++] = "--confirm-spawn";
1065 assert(i
<= ELEMENTSOF(args
));
1067 execv(args
[0], (char* const*) args
);
1069 log_error("Failed to reexecute: %m");
1073 fclose(serialization
);