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systemctl: rework halt/reboot/poweroff/kexec/exit logic around --force

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Lennart Poettering 2010-10-14 00:56:12 +02:00
parent 0003d1ab75
commit 20b09ca7fd
1 changed files with 36 additions and 12 deletions
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48
src/systemctl.c
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@ -81,6 +81,8 @@ static enum action {
ACTION_HALT,
ACTION_POWEROFF,
ACTION_REBOOT,
ACTION_KEXEC,
ACTION_EXIT,
ACTION_RUNLEVEL2,
ACTION_RUNLEVEL3,
ACTION_RUNLEVEL4,
@ -193,6 +195,7 @@ static void warn_wall(enum action action) {
[ACTION_HALT] = "The system is going down for system halt NOW!",
[ACTION_REBOOT] = "The system is going down for reboot NOW!",
[ACTION_POWEROFF] = "The system is going down for power-off NOW!",
[ACTION_KEXEC] = "The system is going down for kexec reboot NOW!",
[ACTION_RESCUE] = "The system is going down to rescue mode NOW!",
[ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!"
};
@ -1220,12 +1223,16 @@ static enum action verb_to_action(const char *verb) {
return ACTION_POWEROFF;
else if (streq(verb, "reboot"))
return ACTION_REBOOT;
else if (streq(verb, "kexec"))
return ACTION_KEXEC;
else if (streq(verb, "rescue"))
return ACTION_RESCUE;
else if (streq(verb, "emergency"))
return ACTION_EMERGENCY;
else if (streq(verb, "default"))
return ACTION_DEFAULT;
else if (streq(verb, "exit"))
return ACTION_EXIT;
else
return ACTION_INVALID;
}
@ -1236,13 +1243,15 @@ static int start_unit(DBusConnection *bus, char **args, unsigned n) {
[ACTION_HALT] = SPECIAL_HALT_TARGET,
[ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET,
[ACTION_REBOOT] = SPECIAL_REBOOT_TARGET,
[ACTION_KEXEC] = SPECIAL_KEXEC_TARGET,
[ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET,
[ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET,
[ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
[ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
[ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
[ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
[ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET
[ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
[ACTION_EXIT] = SPECIAL_EXIT_TARGET
};
int r, ret = 0;
@ -1337,6 +1346,14 @@ static int start_special(DBusConnection *bus, char **args, unsigned n) {
assert(bus);
assert(args);
if (arg_force &&
(streq(args[0], "halt") ||
streq(args[0], "poweroff") ||
streq(args[0], "reboot") ||
streq(args[0], "kexec") ||
streq(args[0], "exit")))
return daemon_reload(bus, args, n);
r = start_unit(bus, args, n);
if (r >= 0)
@ -2968,12 +2985,16 @@ static int daemon_reload(DBusConnection *bus, char **args, unsigned n) {
assert(arg_action == ACTION_SYSTEMCTL);
method =
streq(args[0], "clear-jobs") ||
streq(args[0], "cancel") ? "ClearJobs" :
streq(args[0], "daemon-reexec") ? "Reexecute" :
streq(args[0], "reset-failed") ? "ResetFailed" :
streq(args[0], "daemon-exit") ? "Exit" :
"Reload";
streq(args[0], "clear-jobs") ||
streq(args[0], "cancel") ? "ClearJobs" :
streq(args[0], "daemon-reexec") ? "Reexecute" :
streq(args[0], "reset-failed") ? "ResetFailed" :
streq(args[0], "halt") ? "Halt" :
streq(args[0], "poweroff") ? "PowerOff" :
streq(args[0], "reboot") ? "Reboot" :
streq(args[0], "kexec") ? "KExec" :
streq(args[0], "exit") ? "Exit" :
/* "daemon-reload" */ "Reload";
}
if (!(m = dbus_message_new_method_call(
@ -3919,6 +3940,7 @@ static int systemctl_help(void) {
" --no-reload When enabling/disabling unit files, don't reload daemon\n"
" configuration\n"
" --force When enabling unit files, override existing symlinks\n"
" When shutting down, execute action immediately\n"
" --defaults When disabling unit files, remove default symlinks only\n\n"
"Commands:\n"
" list-units List units\n"
@ -3951,16 +3973,17 @@ static int systemctl_help(void) {
" delete [NAME...] Remove one or more snapshots\n"
" daemon-reload Reload systemd manager configuration\n"
" daemon-reexec Reexecute systemd manager\n"
" daemon-exit Ask the systemd manager to quit\n"
" show-environment Dump environment\n"
" set-environment [NAME=VALUE...] Set one or more environment variables\n"
" unset-environment [NAME...] Unset one or more environment variables\n"
" default Enter system default mode\n"
" rescue Enter system rescue mode\n"
" emergency Enter system emergency mode\n"
" halt Shut down and halt the system\n"
" poweroff Shut down and power-off the system\n"
" reboot Shut down and reboot the system\n"
" rescue Enter system rescue mode\n"
" emergency Enter system emergency mode\n"
" default Enter system default mode\n",
" kexec Shut down and reboot the system with kexec\n"
" exit Ask for session termination\n",
program_invocation_short_name);
return 0;
@ -4772,16 +4795,17 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
{ "delete", MORE, 2, delete_snapshot },
{ "daemon-reload", EQUAL, 1, daemon_reload },
{ "daemon-reexec", EQUAL, 1, daemon_reload },
{ "daemon-exit", EQUAL, 1, daemon_reload },
{ "show-environment", EQUAL, 1, show_enviroment },
{ "set-environment", MORE, 2, set_environment },
{ "unset-environment", MORE, 2, set_environment },
{ "halt", EQUAL, 1, start_special },
{ "poweroff", EQUAL, 1, start_special },
{ "reboot", EQUAL, 1, start_special },
{ "kexec", EQUAL, 1, start_special },
{ "default", EQUAL, 1, start_special },
{ "rescue", EQUAL, 1, start_special },
{ "emergency", EQUAL, 1, start_special },
{ "exit", EQUAL, 1, start_special },
{ "reset-failed", MORE, 1, reset_failed },
{ "enable", MORE, 2, enable_unit },
{ "disable", MORE, 2, enable_unit },