int emergency_action( Manager *m, EmergencyAction action, EmergencyActionFlags options, const char *reboot_arg, int exit_status, const char *reason) { assert(m); assert(action >= 0); assert(action < _EMERGENCY_ACTION_MAX); if (action == EMERGENCY_ACTION_NONE) return -ECANCELED; if (FLAGS_SET(options, EMERGENCY_ACTION_IS_WATCHDOG) && !m->service_watchdogs) { log_warning("Watchdog disabled! Not acting on: %s", reason); return -ECANCELED; } bool warn = FLAGS_SET(options, EMERGENCY_ACTION_WARN); switch (action) { case EMERGENCY_ACTION_REBOOT: log_and_status(m, warn, "Rebooting", reason); (void) update_reboot_parameter_and_warn(reboot_arg); (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); break; case EMERGENCY_ACTION_REBOOT_FORCE: log_and_status(m, warn, "Forcibly rebooting", reason); (void) update_reboot_parameter_and_warn(reboot_arg); m->objective = MANAGER_REBOOT; break; case EMERGENCY_ACTION_REBOOT_IMMEDIATE: log_and_status(m, warn, "Rebooting immediately", reason); sync(); if (!isempty(reboot_arg)) { log_info("Rebooting with argument '%s'.", reboot_arg); (void) raw_reboot(LINUX_REBOOT_CMD_RESTART2, reboot_arg); log_warning_errno(errno, "Failed to reboot with parameter, retrying without: %m"); } log_info("Rebooting."); (void) reboot(RB_AUTOBOOT); break; case EMERGENCY_ACTION_EXIT: if (exit_status >= 0) m->return_value = exit_status; if (MANAGER_IS_USER(m) || detect_container() > 0) { log_and_status(m, warn, "Exiting", reason); (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_EXIT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); break; } log_notice("Doing \"poweroff\" action instead of an \"exit\" emergency action."); _fallthrough_; case EMERGENCY_ACTION_POWEROFF: log_and_status(m, warn, "Powering off", reason); (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); break; case EMERGENCY_ACTION_EXIT_FORCE: if (exit_status >= 0) m->return_value = exit_status; if (MANAGER_IS_USER(m) || detect_container() > 0) { log_and_status(m, warn, "Exiting immediately", reason); m->objective = MANAGER_EXIT; break; } log_notice("Doing \"poweroff-force\" action instead of an \"exit-force\" emergency action."); _fallthrough_; case EMERGENCY_ACTION_POWEROFF_FORCE: log_and_status(m, warn, "Forcibly powering off", reason); m->objective = MANAGER_POWEROFF; break; case EMERGENCY_ACTION_POWEROFF_IMMEDIATE: log_and_status(m, warn, "Powering off immediately", reason); sync(); log_info("Powering off."); (void) reboot(RB_POWER_OFF); break; default: assert_not_reached("Unknown emergency action"); } return -ECANCELED; }
int emergency_action( Manager *m, EmergencyAction action, const char *reboot_arg, const char *reason) { assert(m); assert(action >= 0); assert(action < _EMERGENCY_ACTION_MAX); if (action == EMERGENCY_ACTION_NONE) return -ECANCELED; if (!m->service_watchdogs) { log_warning("Watchdog disabled! Not acting on: %s", reason); return -ECANCELED; } if (!MANAGER_IS_SYSTEM(m)) { /* Downgrade all options to simply exiting if we run * in user mode */ log_warning("Exiting: %s", reason); m->exit_code = MANAGER_EXIT; return -ECANCELED; } switch (action) { case EMERGENCY_ACTION_REBOOT: log_and_status(m, "Rebooting", reason); (void) update_reboot_parameter_and_warn(reboot_arg); (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); break; case EMERGENCY_ACTION_REBOOT_FORCE: log_and_status(m, "Forcibly rebooting", reason); (void) update_reboot_parameter_and_warn(reboot_arg); m->exit_code = MANAGER_REBOOT; break; case EMERGENCY_ACTION_REBOOT_IMMEDIATE: log_and_status(m, "Rebooting immediately", reason); sync(); if (!isempty(reboot_arg)) { log_info("Rebooting with argument '%s'.", reboot_arg); (void) raw_reboot(LINUX_REBOOT_CMD_RESTART2, reboot_arg); log_warning_errno(errno, "Failed to reboot with parameter, retrying without: %m"); } log_info("Rebooting."); (void) reboot(RB_AUTOBOOT); break; case EMERGENCY_ACTION_POWEROFF: log_and_status(m, "Powering off", reason); (void) manager_add_job_by_name_and_warn(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY, NULL); break; case EMERGENCY_ACTION_POWEROFF_FORCE: log_and_status(m, "Forcibly powering off", reason); m->exit_code = MANAGER_POWEROFF; break; case EMERGENCY_ACTION_POWEROFF_IMMEDIATE: log_and_status(m, "Powering off immediately", reason); sync(); log_info("Powering off."); (void) reboot(RB_POWER_OFF); break; default: assert_not_reached("Unknown emergency action"); } return -ECANCELED; }