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"
46 #include "bus-errors.h"
53 ACTION_DUMP_CONFIGURATION_ITEMS,
55 } arg_action = ACTION_RUN;
57 static char *arg_default_unit = NULL;
58 static char *arg_console = NULL;
59 static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
61 static bool arg_dump_core = true;
62 static bool arg_crash_shell = false;
63 static int arg_crash_chvt = -1;
64 static bool arg_confirm_spawn = false;
65 static bool arg_nomodules = false;
66 static bool arg_show_status = true;
68 static FILE* serialization = NULL;
70 _noreturn_ static void freeze(void) {
75 static void nop_handler(int sig) {
78 _noreturn_ static void crash(int sig) {
81 log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
86 /* We want to wait for the core process, hence let's enable SIGCHLD */
88 sa.sa_handler = nop_handler;
89 sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
90 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
92 if ((pid = fork()) < 0)
93 log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
98 /* Enable default signal handler for core dump */
100 sa.sa_handler = SIG_DFL;
101 assert_se(sigaction(sig, &sa, NULL) == 0);
103 /* Don't limit the core dump size */
105 rl.rlim_cur = RLIM_INFINITY;
106 rl.rlim_max = RLIM_INFINITY;
107 setrlimit(RLIMIT_CORE, &rl);
109 /* Just to be sure... */
110 assert_se(chdir("/") == 0);
112 /* Raise the signal again */
115 assert_not_reached("We shouldn't be here...");
121 /* Order things nicely. */
122 if ((r = waitpid(pid, &status, 0)) < 0)
123 log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno));
124 else if (!WCOREDUMP(status))
125 log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
127 log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
132 chvt(arg_crash_chvt);
134 if (arg_crash_shell) {
138 log_info("Executing crash shell in 10s...");
141 /* Let the kernel reap children for us */
143 sa.sa_handler = SIG_IGN;
144 sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
145 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
147 if ((pid = fork()) < 0)
148 log_error("Failed to fork off crash shell: %s", strerror(errno));
152 if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
153 log_error("Failed to acquire terminal: %s", strerror(-fd));
154 else if ((r = make_stdio(fd)) < 0)
155 log_error("Failed to duplicate terminal fd: %s", strerror(-r));
157 execl("/bin/sh", "/bin/sh", NULL);
159 log_error("execl() failed: %s", strerror(errno));
163 log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid);
166 log_info("Freezing execution.");
170 static void install_crash_handler(void) {
175 sa.sa_handler = crash;
176 sa.sa_flags = SA_NODEFER;
178 sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
181 static int make_null_stdio(void) {
184 if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) {
185 log_error("Failed to open /dev/null: %m");
189 if ((r = make_stdio(null_fd)) < 0)
190 log_warning("Failed to dup2() device: %s", strerror(-r));
195 static int console_setup(bool do_reset) {
198 /* If we are init, we connect stdin/stdout/stderr to /dev/null
199 * and make sure we don't have a controlling tty. */
206 if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) {
207 log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
211 if ((r = reset_terminal(tty_fd)) < 0)
212 log_error("Failed to reset /dev/console: %s", strerror(-r));
214 close_nointr_nofail(tty_fd);
218 static int set_default_unit(const char *u) {
223 if (!(c = strdup(u)))
226 free(arg_default_unit);
227 arg_default_unit = c;
231 static int parse_proc_cmdline_word(const char *word) {
233 static const char * const rlmap[] = {
234 "single", SPECIAL_RESCUE_TARGET,
235 "-s", SPECIAL_RESCUE_TARGET,
236 "s", SPECIAL_RESCUE_TARGET,
237 "S", SPECIAL_RESCUE_TARGET,
238 "1", SPECIAL_RESCUE_TARGET,
239 "2", SPECIAL_RUNLEVEL2_TARGET,
240 "3", SPECIAL_RUNLEVEL3_TARGET,
241 "4", SPECIAL_RUNLEVEL4_TARGET,
242 "5", SPECIAL_RUNLEVEL5_TARGET
244 bool ignore_quiet = false;
246 if (startswith(word, "systemd.unit="))
247 return set_default_unit(word + 13);
249 else if (startswith(word, "systemd.log_target=")) {
251 if (log_set_target_from_string(word + 19) < 0)
252 log_warning("Failed to parse log target %s. Ignoring.", word + 19);
254 } else if (startswith(word, "systemd.log_level=")) {
256 if (log_set_max_level_from_string(word + 18) < 0)
257 log_warning("Failed to parse log level %s. Ignoring.", word + 18);
259 } else if (startswith(word, "systemd.log_color=")) {
261 if (log_show_color_from_string(word + 18) < 0)
262 log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
264 } else if (startswith(word, "systemd.log_location=")) {
266 if (log_show_location_from_string(word + 21) < 0)
267 log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
269 } else if (startswith(word, "systemd.dump_core=")) {
272 if ((r = parse_boolean(word + 18)) < 0)
273 log_warning("Failed to parse dump core switch %s, Ignoring.", word + 18);
277 } else if (startswith(word, "systemd.crash_shell=")) {
280 if ((r = parse_boolean(word + 20)) < 0)
281 log_warning("Failed to parse crash shell switch %s, Ignoring.", word + 20);
285 } else if (startswith(word, "systemd.confirm_spawn=")) {
288 if ((r = parse_boolean(word + 22)) < 0)
289 log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22);
291 arg_confirm_spawn = r;
293 } else if (startswith(word, "systemd.crash_chvt=")) {
296 if (safe_atoi(word + 19, &k) < 0)
297 log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19);
301 } else if (startswith(word, "systemd.show_status=")) {
304 if ((r = parse_boolean(word + 20)) < 0)
305 log_warning("Failed to parse show status switch %s, Ignoring.", word + 20);
311 } else if (startswith(word, "systemd.")) {
313 log_warning("Unknown kernel switch %s. Ignoring.", word);
315 log_info("Supported kernel switches:\n"
316 "systemd.unit=UNIT Default unit to start\n"
317 "systemd.log_target=console|kmsg|syslog| Log target\n"
318 " syslog-org-kmsg|null\n"
319 "systemd.log_level=LEVEL Log level\n"
320 "systemd.log_color=0|1 Highlight important log messages\n"
321 "systemd.log_location=0|1 Include code location in log messages\n"
322 "systemd.dump_core=0|1 Dump core on crash\n"
323 "systemd.crash_shell=0|1 Run shell on crash\n"
324 "systemd.crash_chvt=N Change to VT #N on crash\n"
325 "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
326 "systemd.show_status=0|1 Show status updates on the console during bootup\n");
328 } else if (streq(word, "nomodules"))
329 arg_nomodules = true;
330 else if (startswith(word, "console=")) {
339 !startswith(k, "tty") ||
340 k[3+strspn(k+3, "0123456789")] != 0) {
342 if (!(w = strndup(k, l)))
349 } else if (streq(word, "quiet")) {
351 arg_show_status = false;
355 /* SysV compatibility */
356 for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
357 if (streq(word, rlmap[i]))
358 return set_default_unit(rlmap[i+1]);
364 static int config_parse_level(
365 const char *filename,
377 log_set_max_level_from_string(rvalue);
381 static int config_parse_target(
382 const char *filename,
394 log_set_target_from_string(rvalue);
398 static int config_parse_color(
399 const char *filename,
411 log_show_color_from_string(rvalue);
415 static int config_parse_location(
416 const char *filename,
428 log_show_location_from_string(rvalue);
432 static int config_parse_cpu_affinity(
433 const char *filename,
451 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
456 if (!(t = strndup(w, l)))
459 r = safe_atou(t, &cpu);
463 if (!(c = cpu_set_malloc(&ncpus)))
466 if (r < 0 || cpu >= ncpus) {
467 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
472 CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
476 if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
477 log_warning("Failed to set CPU affinity: %m");
485 static int parse_config_file(void) {
487 const ConfigItem items[] = {
488 { "LogLevel", config_parse_level, NULL, "Manager" },
489 { "LogTarget", config_parse_target, NULL, "Manager" },
490 { "LogColor", config_parse_color, NULL, "Manager" },
491 { "LogLocation", config_parse_location, NULL, "Manager" },
492 { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" },
493 { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" },
494 { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" },
495 { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
496 { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
497 { NULL, NULL, NULL, NULL }
500 static const char * const sections[] = {
509 fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
511 if (!(f = fopen(fn, "re"))) {
515 log_warning("Failed to open configuration file '%s': %m", fn);
519 if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0)
520 log_warning("Failed to parse configuration file: %s", strerror(-r));
527 static int parse_proc_cmdline(void) {
534 if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
535 log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(errno));
539 FOREACH_WORD_QUOTED(w, l, line, state) {
542 if (!(word = strndup(w, l))) {
547 r = parse_proc_cmdline_word(word);
561 static int parse_argv(int argc, char *argv[]) {
564 ARG_LOG_LEVEL = 0x100,
572 ARG_DUMP_CONFIGURATION_ITEMS,
581 static const struct option options[] = {
582 { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
583 { "log-target", required_argument, NULL, ARG_LOG_TARGET },
584 { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
585 { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
586 { "unit", required_argument, NULL, ARG_UNIT },
587 { "system", no_argument, NULL, ARG_SYSTEM },
588 { "session", no_argument, NULL, ARG_SESSION },
589 { "test", no_argument, NULL, ARG_TEST },
590 { "help", no_argument, NULL, 'h' },
591 { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
592 { "dump-core", no_argument, NULL, ARG_DUMP_CORE },
593 { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL },
594 { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
595 { "show-status", no_argument, NULL, ARG_SHOW_STATUS },
596 { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
597 { "introspect", optional_argument, NULL, ARG_INTROSPECT },
606 while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
611 if ((r = log_set_max_level_from_string(optarg)) < 0) {
612 log_error("Failed to parse log level %s.", optarg);
620 if ((r = log_set_target_from_string(optarg)) < 0) {
621 log_error("Failed to parse log target %s.", optarg);
630 if ((r = log_show_color_from_string(optarg)) < 0) {
631 log_error("Failed to parse log color setting %s.", optarg);
635 log_show_color(true);
639 case ARG_LOG_LOCATION:
642 if ((r = log_show_location_from_string(optarg)) < 0) {
643 log_error("Failed to parse log location setting %s.", optarg);
647 log_show_location(true);
653 if ((r = set_default_unit(optarg)) < 0) {
654 log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
661 arg_running_as = MANAGER_SYSTEM;
665 arg_running_as = MANAGER_SESSION;
669 arg_action = ACTION_TEST;
672 case ARG_DUMP_CONFIGURATION_ITEMS:
673 arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
677 arg_dump_core = true;
680 case ARG_CRASH_SHELL:
681 arg_crash_shell = true;
684 case ARG_CONFIRM_SPAWN:
685 arg_confirm_spawn = true;
688 case ARG_SHOW_STATUS:
689 arg_show_status = true;
692 case ARG_DESERIALIZE: {
696 if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) {
697 log_error("Failed to parse deserialize option %s.", optarg);
701 if (!(f = fdopen(fd, "r"))) {
702 log_error("Failed to open serialization fd: %m");
707 fclose(serialization);
714 case ARG_INTROSPECT: {
715 const char * const * i = NULL;
717 for (i = bus_interface_table; *i; i += 2)
718 if (!optarg || streq(i[0], optarg)) {
719 fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
722 fputs("</node>\n", stdout);
729 log_error("Unknown interface %s.", optarg);
731 arg_action = ACTION_DONE;
736 arg_action = ACTION_HELP;
740 log_set_max_level(LOG_DEBUG);
747 log_error("Unknown option code %c", c);
751 /* PID 1 will get the kernel arguments as parameters, which we
752 * ignore and unconditionally read from
753 * /proc/cmdline. However, we need to ignore those arguments
755 if (arg_running_as != MANAGER_SYSTEM && optind < argc) {
756 log_error("Excess arguments.");
763 static int help(void) {
765 printf("%s [OPTIONS...]\n\n"
766 "Starts up and maintains the system or a session.\n\n"
767 " -h --help Show this help\n"
768 " --test Determine startup sequence, dump it and exit\n"
769 " --dump-configuration-items Dump understood unit configuration items\n"
770 " --introspect[=INTERFACE] Extract D-Bus interface data\n"
771 " --unit=UNIT Set default unit\n"
772 " --system Run a system instance, even if PID != 1\n"
773 " --session Run a session instance\n"
774 " --dump-core Dump core on crash\n"
775 " --crash-shell Run shell on crash\n"
776 " --confirm-spawn Ask for confirmation when spawning processes\n"
777 " --show-status Show status updates on the console during bootup\n"
778 " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
779 " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
780 " --log-color[=0|1] Highlight important log messages\n"
781 " --log-location[=0|1] Include code location in log messages\n",
782 program_invocation_short_name);
787 static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
796 if ((r = manager_open_serialization(m, &f)) < 0) {
797 log_error("Failed to create serialization faile: %s", strerror(-r));
801 if (!(fds = fdset_new())) {
803 log_error("Failed to allocate fd set: %s", strerror(-r));
807 if ((r = manager_serialize(m, f, fds)) < 0) {
808 log_error("Failed to serialize state: %s", strerror(-r));
812 if (fseeko(f, 0, SEEK_SET) < 0) {
813 log_error("Failed to rewind serialization fd: %m");
817 if ((r = fd_cloexec(fileno(f), false)) < 0) {
818 log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
822 if ((r = fdset_cloexec(fds, false)) < 0) {
823 log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
841 int main(int argc, char *argv[]) {
846 bool reexecute = false;
848 if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
849 /* This is compatbility support for SysV, where
850 * calling init as a user is identical to telinit. */
853 execv(SYSTEMCTL_BINARY_PATH, argv);
854 log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
858 log_show_color(isatty(STDERR_FILENO) > 0);
859 log_show_location(false);
860 log_set_max_level(LOG_INFO);
863 arg_running_as = MANAGER_SYSTEM;
864 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
866 if (label_init() < 0)
869 arg_running_as = MANAGER_SESSION;
870 log_set_target(LOG_TARGET_CONSOLE);
873 if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
876 /* Mount /proc, /sys and friends, so that /proc/cmdline and
877 * /proc/$PID/fd is available. */
878 if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
879 if (mount_setup() < 0)
882 /* Reset all signal handlers. */
883 assert_se(reset_all_signal_handlers() == 0);
885 /* If we are init, we can block sigkill. Yay. */
886 ignore_signals(SIGNALS_IGNORE, -1);
888 if (parse_config_file() < 0)
891 if (arg_running_as == MANAGER_SYSTEM)
892 if (parse_proc_cmdline() < 0)
895 log_parse_environment();
897 if (parse_argv(argc, argv) < 0)
900 if (arg_action == ACTION_HELP) {
903 } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
904 unit_dump_config_items(stdout);
907 } else if (arg_action == ACTION_DONE) {
912 assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
914 /* Remember open file descriptors for later deserialization */
916 if ((r = fdset_new_fill(&fds)) < 0) {
917 log_error("Failed to allocate fd set: %s", strerror(-r));
921 assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
923 close_all_fds(NULL, 0);
925 /* Set up PATH unless it is already set */
927 "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
928 arg_running_as == MANAGER_SYSTEM);
930 /* Move out of the way, so that we won't block unmounts */
931 assert_se(chdir("/") == 0);
933 if (arg_running_as == MANAGER_SYSTEM) {
934 /* Become a session leader if we aren't one yet. */
937 /* Disable the umask logic */
941 /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
942 dbus_connection_set_change_sigpipe(FALSE);
944 /* Reset the console, but only if this is really init and we
945 * are freshly booted */
946 if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
947 console_setup(getpid() == 1 && !serialization);
951 /* Open the logging devices, if possible and necessary */
954 /* Make sure we leave a core dump without panicing the
957 install_crash_handler();
959 log_info(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as));
961 if (arg_running_as == MANAGER_SYSTEM) {
963 /* Disable nscd, to avoid deadlocks when systemd uses
964 * NSS and the nscd socket is maintained by us. */
965 /* if (nss_disable_nscd) { */
966 /* log_debug("Disabling nscd"); */
967 /* nss_disable_nscd(); */
969 /* log_debug("Hmm, can't disable nscd."); */
971 if (!serialization) {
974 modprobe_setup(arg_nomodules);
981 if ((r = manager_new(arg_running_as, &m)) < 0) {
982 log_error("Failed to allocate manager object: %s", strerror(-r));
986 m->confirm_spawn = arg_confirm_spawn;
987 m->show_status = arg_show_status;
989 if ((r = manager_startup(m, serialization, fds)) < 0)
990 log_error("Failed to fully start up daemon: %s", strerror(-r));
993 /* This will close all file descriptors that were opened, but
994 * not claimed by any unit. */
1000 if (serialization) {
1001 fclose(serialization);
1002 serialization = NULL;
1006 dbus_error_init(&error);
1008 log_debug("Activating default unit: %s", arg_default_unit);
1010 if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) {
1011 log_error("Failed to load default target: %s", bus_error(&error, r));
1012 dbus_error_free(&error);
1014 log_info("Trying to load rescue target...");
1015 if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) {
1016 log_error("Failed to load rescue target: %s", bus_error(&error, r));
1017 dbus_error_free(&error);
1022 if (arg_action == ACTION_TEST) {
1023 printf("-> By units:\n");
1024 manager_dump_units(m, stdout, "\t");
1027 if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) {
1028 log_error("Failed to start default target: %s", bus_error(&error, r));
1029 dbus_error_free(&error);
1033 if (arg_console && arg_running_as == MANAGER_SYSTEM) {
1036 if (asprintf(&name, "getty@%s.service", arg_console) < 0)
1037 log_error("Out of memory while generating console getty service name.");
1039 if ((r = manager_add_job_by_name(m, JOB_START, name, JOB_FAIL, false, &error, NULL)) < 0) {
1040 log_error("Failed to start console getty target: %s", bus_error(&error, r));
1041 dbus_error_free(&error);
1048 if (arg_action == ACTION_TEST) {
1049 printf("-> By jobs:\n");
1050 manager_dump_jobs(m, stdout, "\t");
1057 if ((r = manager_loop(m)) < 0) {
1058 log_error("Failed to run mainloop: %s", strerror(-r));
1062 switch (m->exit_code) {
1069 case MANAGER_RELOAD:
1070 log_info("Reloading.");
1071 if ((r = manager_reload(m)) < 0)
1072 log_error("Failed to reload: %s", strerror(-r));
1075 case MANAGER_REEXECUTE:
1076 if (prepare_reexecute(m, &serialization, &fds) < 0)
1080 log_notice("Reexecuting.");
1084 assert_not_reached("Unknown exit code.");
1092 free(arg_default_unit);
1098 const char *args[14];
1102 assert(serialization);
1105 args[i++] = SYSTEMD_BINARY_PATH;
1107 args[i++] = "--log-level";
1108 args[i++] = log_level_to_string(log_get_max_level());
1110 args[i++] = "--log-target";
1111 args[i++] = log_target_to_string(log_get_target());
1113 if (arg_running_as == MANAGER_SYSTEM)
1114 args[i++] = "--system";
1116 args[i++] = "--session";
1119 args[i++] = "--dump-core";
1121 if (arg_crash_shell)
1122 args[i++] = "--crash-shell";
1124 if (arg_confirm_spawn)
1125 args[i++] = "--confirm-spawn";
1127 if (arg_show_status)
1128 args[i++] = "--show-status";
1130 snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
1133 args[i++] = "--deserialize";
1138 assert(i <= ELEMENTSOF(args));
1140 execv(args[0], (char* const*) args);
1142 log_error("Failed to reexecute: %m");
1146 fclose(serialization);