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/>.
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 "load-fragment.h"
44 #include "conf-parser.h"
45 #include "bus-errors.h"
54 ACTION_DUMP_CONFIGURATION_ITEMS,
56 } arg_action = ACTION_RUN;
58 static char *arg_default_unit = 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_show_status = true;
66 static bool arg_sysv_console = true;
67 static bool arg_mount_auto = true;
68 static bool arg_swap_auto = true;
70 static FILE* serialization = NULL;
72 _noreturn_ static void freeze(void) {
77 static void nop_handler(int sig) {
80 _noreturn_ static void crash(int sig) {
83 log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
88 /* We want to wait for the core process, hence let's enable SIGCHLD */
90 sa.sa_handler = nop_handler;
91 sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
92 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
94 if ((pid = fork()) < 0)
95 log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
100 /* Enable default signal handler for core dump */
102 sa.sa_handler = SIG_DFL;
103 assert_se(sigaction(sig, &sa, NULL) == 0);
105 /* Don't limit the core dump size */
107 rl.rlim_cur = RLIM_INFINITY;
108 rl.rlim_max = RLIM_INFINITY;
109 setrlimit(RLIMIT_CORE, &rl);
111 /* Just to be sure... */
112 assert_se(chdir("/") == 0);
114 /* Raise the signal again */
117 assert_not_reached("We shouldn't be here...");
123 /* Order things nicely. */
124 if (waitpid(pid, &status, 0) < 0)
125 log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno));
126 else if (!WCOREDUMP(status))
127 log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
129 log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
134 chvt(arg_crash_chvt);
136 if (arg_crash_shell) {
140 log_info("Executing crash shell in 10s...");
143 /* Let the kernel reap children for us */
145 sa.sa_handler = SIG_IGN;
146 sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
147 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
149 if ((pid = fork()) < 0)
150 log_error("Failed to fork off crash shell: %s", strerror(errno));
154 if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
155 log_error("Failed to acquire terminal: %s", strerror(-fd));
156 else if ((r = make_stdio(fd)) < 0)
157 log_error("Failed to duplicate terminal fd: %s", strerror(-r));
159 execl("/bin/sh", "/bin/sh", NULL);
161 log_error("execl() failed: %s", strerror(errno));
165 log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid);
168 log_info("Freezing execution.");
172 static void install_crash_handler(void) {
177 sa.sa_handler = crash;
178 sa.sa_flags = SA_NODEFER;
180 sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
183 static int make_null_stdio(void) {
186 if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) {
187 log_error("Failed to open /dev/null: %m");
191 if ((r = make_stdio(null_fd)) < 0)
192 log_warning("Failed to dup2() device: %s", strerror(-r));
197 static int console_setup(bool do_reset) {
200 /* If we are init, we connect stdin/stdout/stderr to /dev/null
201 * and make sure we don't have a controlling tty. */
208 if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) {
209 log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
213 if ((r = reset_terminal(tty_fd)) < 0)
214 log_error("Failed to reset /dev/console: %s", strerror(-r));
216 close_nointr_nofail(tty_fd);
220 static int set_default_unit(const char *u) {
225 if (!(c = strdup(u)))
228 free(arg_default_unit);
229 arg_default_unit = c;
233 static int parse_proc_cmdline_word(const char *word) {
235 static const char * const rlmap[] = {
236 "single", SPECIAL_RESCUE_TARGET,
237 "-s", SPECIAL_RESCUE_TARGET,
238 "s", SPECIAL_RESCUE_TARGET,
239 "S", SPECIAL_RESCUE_TARGET,
240 "1", SPECIAL_RESCUE_TARGET,
241 "2", SPECIAL_RUNLEVEL2_TARGET,
242 "3", SPECIAL_RUNLEVEL3_TARGET,
243 "4", SPECIAL_RUNLEVEL4_TARGET,
244 "5", SPECIAL_RUNLEVEL5_TARGET
249 if (startswith(word, "systemd.unit="))
250 return set_default_unit(word + 13);
252 else if (startswith(word, "systemd.log_target=")) {
254 if (log_set_target_from_string(word + 19) < 0)
255 log_warning("Failed to parse log target %s. Ignoring.", word + 19);
257 } else if (startswith(word, "systemd.log_level=")) {
259 if (log_set_max_level_from_string(word + 18) < 0)
260 log_warning("Failed to parse log level %s. Ignoring.", word + 18);
262 } else if (startswith(word, "systemd.log_color=")) {
264 if (log_show_color_from_string(word + 18) < 0)
265 log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
267 } else if (startswith(word, "systemd.log_location=")) {
269 if (log_show_location_from_string(word + 21) < 0)
270 log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
272 } else if (startswith(word, "systemd.dump_core=")) {
275 if ((r = parse_boolean(word + 18)) < 0)
276 log_warning("Failed to parse dump core switch %s, Ignoring.", word + 18);
280 } else if (startswith(word, "systemd.crash_shell=")) {
283 if ((r = parse_boolean(word + 20)) < 0)
284 log_warning("Failed to parse crash shell switch %s, Ignoring.", word + 20);
288 } else if (startswith(word, "systemd.confirm_spawn=")) {
291 if ((r = parse_boolean(word + 22)) < 0)
292 log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22);
294 arg_confirm_spawn = r;
296 } else if (startswith(word, "systemd.crash_chvt=")) {
299 if (safe_atoi(word + 19, &k) < 0)
300 log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19);
304 } else if (startswith(word, "systemd.show_status=")) {
307 if ((r = parse_boolean(word + 20)) < 0)
308 log_warning("Failed to parse show status switch %s, Ignoring.", word + 20);
312 } else if (startswith(word, "systemd.sysv_console=")) {
315 if ((r = parse_boolean(word + 21)) < 0)
316 log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20);
318 arg_sysv_console = r;
320 } else if (startswith(word, "systemd.")) {
322 log_warning("Unknown kernel switch %s. Ignoring.", word);
324 log_info("Supported kernel switches:\n"
325 "systemd.unit=UNIT Default unit to start\n"
326 "systemd.dump_core=0|1 Dump core on crash\n"
327 "systemd.crash_shell=0|1 Run shell on crash\n"
328 "systemd.crash_chvt=N Change to VT #N on crash\n"
329 "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
330 "systemd.show_status=0|1 Show status updates on the console during bootup\n"
331 "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
332 "systemd.log_target=console|kmsg|syslog|syslog-org-kmsg|null\n"
334 "systemd.log_level=LEVEL Log level\n"
335 "systemd.log_color=0|1 Highlight important log messages\n"
336 "systemd.log_location=0|1 Include code location in log messages\n");
338 } else if (streq(word, "quiet")) {
339 arg_show_status = false;
340 arg_sysv_console = false;
344 /* SysV compatibility */
345 for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
346 if (streq(word, rlmap[i]))
347 return set_default_unit(rlmap[i+1]);
353 static int config_parse_level(
354 const char *filename,
366 log_set_max_level_from_string(rvalue);
370 static int config_parse_target(
371 const char *filename,
383 log_set_target_from_string(rvalue);
387 static int config_parse_color(
388 const char *filename,
400 log_show_color_from_string(rvalue);
404 static int config_parse_location(
405 const char *filename,
417 log_show_location_from_string(rvalue);
421 static int config_parse_cpu_affinity(
422 const char *filename,
440 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
445 if (!(t = strndup(w, l)))
448 r = safe_atou(t, &cpu);
452 if (!(c = cpu_set_malloc(&ncpus)))
455 if (r < 0 || cpu >= ncpus) {
456 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
461 CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
465 if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
466 log_warning("Failed to set CPU affinity: %m");
474 static int parse_config_file(void) {
476 const ConfigItem items[] = {
477 { "LogLevel", config_parse_level, NULL, "Manager" },
478 { "LogTarget", config_parse_target, NULL, "Manager" },
479 { "LogColor", config_parse_color, NULL, "Manager" },
480 { "LogLocation", config_parse_location, NULL, "Manager" },
481 { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" },
482 { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" },
483 { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" },
484 { "SysVConsole", config_parse_bool, &arg_sysv_console, "Manager" },
485 { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
486 { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
487 { "MountAuto", config_parse_bool, &arg_mount_auto, "Manager" },
488 { "SwapAuto", config_parse_bool, &arg_swap_auto, "Manager" },
489 { NULL, NULL, NULL, NULL }
492 static const char * const sections[] = {
501 fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
503 if (!(f = fopen(fn, "re"))) {
507 log_warning("Failed to open configuration file '%s': %m", fn);
511 if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0)
512 log_warning("Failed to parse configuration file: %s", strerror(-r));
519 static int parse_proc_cmdline(void) {
526 if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
527 log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
531 FOREACH_WORD_QUOTED(w, l, line, state) {
534 if (!(word = strndup(w, l))) {
539 r = parse_proc_cmdline_word(word);
553 static int parse_argv(int argc, char *argv[]) {
556 ARG_LOG_LEVEL = 0x100,
564 ARG_DUMP_CONFIGURATION_ITEMS,
574 static const struct option options[] = {
575 { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
576 { "log-target", required_argument, NULL, ARG_LOG_TARGET },
577 { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
578 { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
579 { "unit", required_argument, NULL, ARG_UNIT },
580 { "system", no_argument, NULL, ARG_SYSTEM },
581 { "session", no_argument, NULL, ARG_SESSION },
582 { "test", no_argument, NULL, ARG_TEST },
583 { "help", no_argument, NULL, 'h' },
584 { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
585 { "dump-core", no_argument, NULL, ARG_DUMP_CORE },
586 { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL },
587 { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
588 { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
589 { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
590 { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
591 { "introspect", optional_argument, NULL, ARG_INTROSPECT },
600 while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
605 if ((r = log_set_max_level_from_string(optarg)) < 0) {
606 log_error("Failed to parse log level %s.", optarg);
614 if ((r = log_set_target_from_string(optarg)) < 0) {
615 log_error("Failed to parse log target %s.", optarg);
624 if ((r = log_show_color_from_string(optarg)) < 0) {
625 log_error("Failed to parse log color setting %s.", optarg);
629 log_show_color(true);
633 case ARG_LOG_LOCATION:
636 if ((r = log_show_location_from_string(optarg)) < 0) {
637 log_error("Failed to parse log location setting %s.", optarg);
641 log_show_location(true);
647 if ((r = set_default_unit(optarg)) < 0) {
648 log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
655 arg_running_as = MANAGER_SYSTEM;
659 arg_running_as = MANAGER_SESSION;
663 arg_action = ACTION_TEST;
666 case ARG_DUMP_CONFIGURATION_ITEMS:
667 arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
671 arg_dump_core = true;
674 case ARG_CRASH_SHELL:
675 arg_crash_shell = true;
678 case ARG_CONFIRM_SPAWN:
679 arg_confirm_spawn = true;
682 case ARG_SHOW_STATUS:
685 if ((r = parse_boolean(optarg)) < 0) {
686 log_error("Failed to show status boolean %s.", optarg);
691 arg_show_status = true;
694 case ARG_SYSV_CONSOLE:
697 if ((r = parse_boolean(optarg)) < 0) {
698 log_error("Failed to SysV console boolean %s.", optarg);
701 arg_sysv_console = r;
703 arg_sysv_console = true;
706 case ARG_DESERIALIZE: {
710 if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) {
711 log_error("Failed to parse deserialize option %s.", optarg);
715 if (!(f = fdopen(fd, "r"))) {
716 log_error("Failed to open serialization fd: %m");
721 fclose(serialization);
728 case ARG_INTROSPECT: {
729 const char * const * i = NULL;
731 for (i = bus_interface_table; *i; i += 2)
732 if (!optarg || streq(i[0], optarg)) {
733 fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
736 fputs("</node>\n", stdout);
743 log_error("Unknown interface %s.", optarg);
745 arg_action = ACTION_DONE;
750 arg_action = ACTION_HELP;
754 log_set_max_level(LOG_DEBUG);
761 log_error("Unknown option code %c", c);
765 /* PID 1 will get the kernel arguments as parameters, which we
766 * ignore and unconditionally read from
767 * /proc/cmdline. However, we need to ignore those arguments
769 if (arg_running_as != MANAGER_SYSTEM && optind < argc) {
770 log_error("Excess arguments.");
777 static int help(void) {
779 printf("%s [OPTIONS...]\n\n"
780 "Starts up and maintains the system or a session.\n\n"
781 " -h --help Show this help\n"
782 " --test Determine startup sequence, dump it and exit\n"
783 " --dump-configuration-items Dump understood unit configuration items\n"
784 " --introspect[=INTERFACE] Extract D-Bus interface data\n"
785 " --unit=UNIT Set default unit\n"
786 " --system Run a system instance, even if PID != 1\n"
787 " --session Run a session instance\n"
788 " --dump-core Dump core on crash\n"
789 " --crash-shell Run shell on crash\n"
790 " --confirm-spawn Ask for confirmation when spawning processes\n"
791 " --show-status[=0|1] Show status updates on the console during bootup\n"
792 " --sysv-console[=0|1] Connect output of SysV scripts to console\n"
793 " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
794 " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
795 " --log-color[=0|1] Highlight important log messages\n"
796 " --log-location[=0|1] Include code location in log messages\n",
797 program_invocation_short_name);
802 static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
811 if ((r = manager_open_serialization(m, &f)) < 0) {
812 log_error("Failed to create serialization faile: %s", strerror(-r));
816 if (!(fds = fdset_new())) {
818 log_error("Failed to allocate fd set: %s", strerror(-r));
822 if ((r = manager_serialize(m, f, fds)) < 0) {
823 log_error("Failed to serialize state: %s", strerror(-r));
827 if (fseeko(f, 0, SEEK_SET) < 0) {
828 log_error("Failed to rewind serialization fd: %m");
832 if ((r = fd_cloexec(fileno(f), false)) < 0) {
833 log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
837 if ((r = fdset_cloexec(fds, false)) < 0) {
838 log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
856 int main(int argc, char *argv[]) {
860 bool reexecute = false;
862 if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
863 /* This is compatbility support for SysV, where
864 * calling init as a user is identical to telinit. */
867 execv(SYSTEMCTL_BINARY_PATH, argv);
868 log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
872 log_show_color(isatty(STDERR_FILENO) > 0);
873 log_show_location(false);
874 log_set_max_level(LOG_INFO);
877 arg_running_as = MANAGER_SYSTEM;
878 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
880 if (label_init() < 0)
883 arg_running_as = MANAGER_SESSION;
884 log_set_target(LOG_TARGET_CONSOLE);
887 if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
890 /* Mount /proc, /sys and friends, so that /proc/cmdline and
891 * /proc/$PID/fd is available. */
892 if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
893 if (mount_setup() < 0)
896 /* Reset all signal handlers. */
897 assert_se(reset_all_signal_handlers() == 0);
899 /* If we are init, we can block sigkill. Yay. */
900 ignore_signals(SIGNALS_IGNORE, -1);
902 if (parse_config_file() < 0)
905 if (arg_running_as == MANAGER_SYSTEM)
906 if (parse_proc_cmdline() < 0)
909 log_parse_environment();
911 if (parse_argv(argc, argv) < 0)
914 if (arg_action == ACTION_HELP) {
917 } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
918 unit_dump_config_items(stdout);
921 } else if (arg_action == ACTION_DONE) {
926 assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
928 /* Remember open file descriptors for later deserialization */
930 if ((r = fdset_new_fill(&fds)) < 0) {
931 log_error("Failed to allocate fd set: %s", strerror(-r));
935 assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
937 close_all_fds(NULL, 0);
939 /* Set up PATH unless it is already set */
941 "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
942 arg_running_as == MANAGER_SYSTEM);
944 /* Move out of the way, so that we won't block unmounts */
945 assert_se(chdir("/") == 0);
947 if (arg_running_as == MANAGER_SYSTEM) {
948 /* Become a session leader if we aren't one yet. */
951 /* Disable the umask logic */
955 /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
956 dbus_connection_set_change_sigpipe(FALSE);
958 /* Reset the console, but only if this is really init and we
959 * are freshly booted */
960 if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
961 console_setup(getpid() == 1 && !serialization);
965 /* Open the logging devices, if possible and necessary */
968 /* Make sure we leave a core dump without panicing the
971 install_crash_handler();
973 log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
974 PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES ")", manager_running_as_to_string(arg_running_as));
976 if (arg_running_as == MANAGER_SYSTEM && !serialization) {
985 if ((r = manager_new(arg_running_as, &m)) < 0) {
986 log_error("Failed to allocate manager object: %s", strerror(-r));
990 m->confirm_spawn = arg_confirm_spawn;
991 m->show_status = arg_show_status;
992 m->sysv_console = arg_sysv_console;
993 m->mount_auto = arg_mount_auto;
994 m->swap_auto = arg_swap_auto;
996 if ((r = manager_startup(m, serialization, fds)) < 0)
997 log_error("Failed to fully start up daemon: %s", strerror(-r));
1000 /* This will close all file descriptors that were opened, but
1001 * not claimed by any unit. */
1007 if (serialization) {
1008 fclose(serialization);
1009 serialization = NULL;
1012 Unit *target = NULL;
1014 dbus_error_init(&error);
1016 log_debug("Activating default unit: %s", arg_default_unit);
1018 if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) {
1019 log_error("Failed to load default target: %s", bus_error(&error, r));
1020 dbus_error_free(&error);
1021 } else if (target->meta.load_state != UNIT_LOADED)
1022 log_error("Failed to load default target: %s", strerror(-target->meta.load_error));
1024 if (!target || target->meta.load_state != UNIT_LOADED) {
1025 log_info("Trying to load rescue target...");
1027 if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) {
1028 log_error("Failed to load rescue target: %s", bus_error(&error, r));
1029 dbus_error_free(&error);
1031 } else if (target->meta.load_state != UNIT_LOADED) {
1032 log_error("Failed to load rescue target: %s", strerror(-target->meta.load_error));
1037 if (arg_action == ACTION_TEST) {
1038 printf("-> By units:\n");
1039 manager_dump_units(m, stdout, "\t");
1042 if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) {
1043 log_error("Failed to start default target: %s", bus_error(&error, r));
1044 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);
1097 const char *args[15];
1101 assert(serialization);
1104 args[i++] = SYSTEMD_BINARY_PATH;
1106 args[i++] = "--log-level";
1107 args[i++] = log_level_to_string(log_get_max_level());
1109 args[i++] = "--log-target";
1110 args[i++] = log_target_to_string(log_get_target());
1112 if (arg_running_as == MANAGER_SYSTEM)
1113 args[i++] = "--system";
1115 args[i++] = "--session";
1118 args[i++] = "--dump-core";
1120 if (arg_crash_shell)
1121 args[i++] = "--crash-shell";
1123 if (arg_confirm_spawn)
1124 args[i++] = "--confirm-spawn";
1126 if (arg_show_status)
1127 args[i++] = "--show-status=1";
1129 args[i++] = "--show-status=0";
1131 if (arg_sysv_console)
1132 args[i++] = "--sysv-console=1";
1134 args[i++] = "--sysv-console=0";
1136 snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
1139 args[i++] = "--deserialize";
1144 assert(i <= ELEMENTSOF(args));
1146 execv(args[0], (char* const*) args);
1148 log_error("Failed to reexecute: %m");
1152 fclose(serialization);