✓ StartLimitAction=ACTION
✓ FailureAction=
✓ SuccessAction=
+✓ FailureActionExitStatus=
+✓ SuccessActionExitStatus=
✓ AddRef=
✓ RebootArgument=STRING
✓ ConditionPathExists=
SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Unit, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("StartLimitAction", "s", property_get_emergency_action, offsetof(Unit, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("FailureAction", "s", property_get_emergency_action, offsetof(Unit, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("FailureActionExitStatus", "i", bus_property_get_int, offsetof(Unit, failure_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SuccessAction", "s", property_get_emergency_action, offsetof(Unit, success_action), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SuccessActionExitStatus", "i", bus_property_get_int, offsetof(Unit, success_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), 0),
SD_BUS_PROPERTY("CollectMode", "s", property_get_collect_mode, offsetof(Unit, collect_mode), 0),
return 1;
}
+static int bus_set_transient_exit_status(
+ Unit *u,
+ const char *name,
+ int *p,
+ sd_bus_message *message,
+ UnitWriteFlags flags,
+ sd_bus_error *error) {
+
+ int32_t k;
+ int r;
+
+ assert(p);
+
+ r = sd_bus_message_read(message, "i", &k);
+ if (r < 0)
+ return r;
+
+ if (k > 255)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Exit status must be in range 0…255 or negative.");
+
+ if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
+ *p = k < 0 ? -1 : k;
+
+ if (k < 0)
+ unit_write_settingf(u, flags, name, "%s=", name);
+ else
+ unit_write_settingf(u, flags, name, "%s=%i", name, k);
+ }
+
+ return 1;
+}
+
static BUS_DEFINE_SET_TRANSIENT_PARSE(collect_mode, CollectMode, collect_mode_from_string);
static BUS_DEFINE_SET_TRANSIENT_PARSE(job_mode, JobMode, job_mode_from_string);
if (streq(name, "SuccessAction"))
return bus_set_transient_emergency_action(u, name, &u->success_action, message, flags, error);
+ if (streq(name, "FailureActionExitStatus"))
+ return bus_set_transient_exit_status(u, name, &u->failure_action_exit_status, message, flags, error);
+
+ if (streq(name, "SuccessActionExitStatus"))
+ return bus_set_transient_exit_status(u, name, &u->success_action_exit_status, message, flags, error);
+
if (streq(name, "RebootArgument"))
return bus_set_transient_string(u, name, &u->reboot_arg, message, flags, error);
EmergencyAction action,
EmergencyActionFlags options,
const char *reboot_arg,
+ int exit_status,
const char *reason) {
assert(m);
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;
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;
int emergency_action(Manager *m,
EmergencyAction action, EmergencyActionFlags options,
- const char *reboot_arg, const char *reason);
+ const char *reboot_arg, int exit_status, const char *reason);
const char* emergency_action_to_string(EmergencyAction i) _const_;
EmergencyAction emergency_action_from_string(const char *s) _pure_;
emergency_action(u->manager, u->job_timeout_action,
EMERGENCY_ACTION_IS_WATCHDOG|EMERGENCY_ACTION_WARN,
- u->job_timeout_reboot_arg, "job timed out");
+ u->job_timeout_reboot_arg, -1, "job timed out");
return 0;
}
Unit.StartLimitAction, config_parse_emergency_action, 0, offsetof(Unit, start_limit_action)
Unit.FailureAction, config_parse_emergency_action, 0, offsetof(Unit, failure_action)
Unit.SuccessAction, config_parse_emergency_action, 0, offsetof(Unit, success_action)
+Unit.FailureActionExitStatus, config_parse_exit_status, 0, offsetof(Unit, failure_action_exit_status)
+Unit.SuccessActionExitStatus, config_parse_exit_status, 0, offsetof(Unit, success_action_exit_status)
Unit.RebootArgument, config_parse_unit_string_printf, 0, offsetof(Unit, reboot_arg)
Unit.ConditionPathExists, config_parse_unit_condition_path, CONDITION_PATH_EXISTS, offsetof(Unit, conditions)
Unit.ConditionPathExistsGlob, config_parse_unit_condition_path, CONDITION_PATH_EXISTS_GLOB, offsetof(Unit, conditions)
return 0;
}
+int config_parse_exit_status(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ int *exit_status = data, r;
+ uint8_t u;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(exit_status);
+
+ if (isempty(rvalue)) {
+ *exit_status = -1;
+ return 0;
+ }
+
+ r = safe_atou8(rvalue, &u);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse exit status '%s', ignoring: %m", rvalue);
+ return 0;
+ }
+
+ *exit_status = u;
+ return 0;
+}
+
#define FOLLOW_MAX 8
static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
CONFIG_PARSER_PROTOTYPE(config_parse_log_extra_fields);
CONFIG_PARSER_PROTOTYPE(config_parse_collect_mode);
CONFIG_PARSER_PROTOTYPE(config_parse_pid_file);
+CONFIG_PARSER_PROTOTYPE(config_parse_exit_status);
/* gperf prototypes */
const struct ConfigPerfItem* load_fragment_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
if (ratelimit_below(&m->ctrl_alt_del_ratelimit) || m->cad_burst_action == EMERGENCY_ACTION_NONE)
manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY);
else
- emergency_action(m, m->cad_burst_action, EMERGENCY_ACTION_WARN, NULL,
+ emergency_action(m, m->cad_burst_action, EMERGENCY_ACTION_WARN, NULL, -1,
"Ctrl-Alt-Del was pressed more than 7 times within 2s");
}
SERVICE_FINAL_SIGKILL);
}
+static int service_exit_status(Unit *u) {
+ Service *s = SERVICE(u);
+
+ assert(u);
+
+ if (s->main_exec_status.pid <= 0 ||
+ !dual_timestamp_is_set(&s->main_exec_status.exit_timestamp))
+ return -ENODATA;
+
+ if (s->main_exec_status.code != CLD_EXITED)
+ return -EBADE;
+
+ return s->main_exec_status.status;
+}
+
static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
[SERVICE_RESTART_NO] = "no",
[SERVICE_RESTART_ON_SUCCESS] = "on-success",
.get_timeout = service_get_timeout,
.needs_console = service_needs_console,
+ .exit_status = service_exit_status,
.status_message_formats = {
.starting_stopping = {
u->ref_gid = GID_INVALID;
u->cpu_usage_last = NSEC_INFINITY;
u->cgroup_invalidated_mask |= CGROUP_MASK_BPF_FIREWALL;
+ u->failure_action_exit_status = u->success_action_exit_status = -1;
u->ip_accounting_ingress_map_fd = -1;
u->ip_accounting_egress_map_fd = -1;
if (u->failure_action != EMERGENCY_ACTION_NONE)
fprintf(f, "%s\tFailure Action: %s\n", prefix, emergency_action_to_string(u->failure_action));
+ if (u->failure_action_exit_status >= 0)
+ fprintf(f, "%s\tFailure Action Exit Status: %i\n", prefix, u->failure_action_exit_status);
if (u->success_action != EMERGENCY_ACTION_NONE)
fprintf(f, "%s\tSuccess Action: %s\n", prefix, emergency_action_to_string(u->success_action));
+ if (u->success_action_exit_status >= 0)
+ fprintf(f, "%s\tSuccess Action Exit Status: %i\n", prefix, u->success_action_exit_status);
if (u->job_timeout != USEC_INFINITY)
fprintf(f, "%s\tJob Timeout: %s\n", prefix, format_timespan(timespan, sizeof(timespan), u->job_timeout, 0));
return emergency_action(u->manager, u->start_limit_action,
EMERGENCY_ACTION_IS_WATCHDOG|EMERGENCY_ACTION_WARN,
- u->reboot_arg, reason);
+ u->reboot_arg, -1, reason);
}
bool unit_shall_confirm_spawn(Unit *u) {
if (os != UNIT_FAILED && ns == UNIT_FAILED) {
reason = strjoina("unit ", u->id, " failed");
- (void) emergency_action(m, u->failure_action, 0, u->reboot_arg, reason);
+ (void) emergency_action(m, u->failure_action, 0, u->reboot_arg, unit_failure_action_exit_status(u), reason);
} else if (!UNIT_IS_INACTIVE_OR_FAILED(os) && ns == UNIT_INACTIVE) {
reason = strjoina("unit ", u->id, " succeeded");
- (void) emergency_action(m, u->success_action, 0, u->reboot_arg, reason);
+ (void) emergency_action(m, u->success_action, 0, u->reboot_arg, unit_success_action_exit_status(u), reason);
}
}
LOG_UNIT_INVOCATION_ID(u));
}
+int unit_exit_status(Unit *u) {
+ assert(u);
+
+ /* Returns the exit status to propagate for the most recent cycle of this unit. Returns a value in the range
+ * 0…255 if there's something to propagate. EOPNOTSUPP if the concept does not apply to this unit type, ENODATA
+ * if no data is currently known (for example because the unit hasn't deactivated yet) and EBADE if the main
+ * service process has exited abnormally (signal/coredump). */
+
+ if (!UNIT_VTABLE(u)->exit_status)
+ return -EOPNOTSUPP;
+
+ return UNIT_VTABLE(u)->exit_status(u);
+}
+
+int unit_failure_action_exit_status(Unit *u) {
+ int r;
+
+ assert(u);
+
+ /* Returns the exit status to propagate on failure, or an error if there's nothing to propagate */
+
+ if (u->failure_action_exit_status >= 0)
+ return u->failure_action_exit_status;
+
+ r = unit_exit_status(u);
+ if (r == -EBADE) /* Exited, but not cleanly (i.e. by signal or such) */
+ return 255;
+
+ return r;
+}
+
+int unit_success_action_exit_status(Unit *u) {
+ int r;
+
+ assert(u);
+
+ /* Returns the exit status to propagate on success, or an error if there's nothing to propagate */
+
+ if (u->success_action_exit_status >= 0)
+ return u->success_action_exit_status;
+
+ r = unit_exit_status(u);
+ if (r == -EBADE) /* Exited, but not cleanly (i.e. by signal or such) */
+ return 255;
+
+ return r;
+}
+
static const char* const collect_mode_table[_COLLECT_MODE_MAX] = {
[COLLECT_INACTIVE] = "inactive",
[COLLECT_INACTIVE_OR_FAILED] = "inactive-or-failed",
RateLimit start_limit;
EmergencyAction start_limit_action;
- EmergencyAction failure_action;
- EmergencyAction success_action;
+ /* What to do on failure or success */
+ EmergencyAction success_action, failure_action;
+ int success_action_exit_status, failure_action_exit_status;
char *reboot_arg;
/* Make sure we never enter endless loops with the check unneeded logic, or the BindsTo= logic */
/* Returns true if the unit currently needs access to the console */
bool (*needs_console)(Unit *u);
+ /* Returns the exit status to propagate in case of FailureAction=exit/SuccessAction=exit; usually returns the
+ * exit code of the "main" process of the service or similar. */
+ int (*exit_status)(Unit *u);
+
/* Like the enumerate() callback further down, but only enumerates the perpetual units, i.e. all units that
* unconditionally exist and are always active. The main reason to keep both enumeration functions separate is
* philosophical: the state of perpetual units should be put in place by coldplug(), while the state of those
void unit_log_process_exit(Unit *u, int level, const char *kind, const char *command, int code, int status);
+int unit_exit_status(Unit *u);
+int unit_success_action_exit_status(Unit *u);
+int unit_failure_action_exit_status(Unit *u);
+
/* Macros which append UNIT= or USER_UNIT= to the message */
#define log_unit_full(unit, level, error, ...) \
return bus_append_safe_atou(m, field, eq);
+ if (STR_IN_SET(field, "SuccessActionExitStatus", "FailureActionExitStatus")) {
+
+ if (isempty(eq))
+ r = sd_bus_message_append(m, "(sv)", field, "i", -1);
+ else {
+ uint8_t u;
+
+ r = safe_atou8(eq, &u);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse %s=%s", field, eq);
+
+ r = sd_bus_message_append(m, "(sv)", field, "i", (int) u);
+ }
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ return 1;
+ }
+
if (unit_dependency_from_string(field) >= 0 ||
STR_IN_SET(field, "Documentation", "RequiresMountsFor"))