static bool arg_plain = false;
static int daemon_reload(sd_bus *bus, char **args);
-static void halt_now(enum action a);
+static int halt_now(enum action a);
static void pager_open_if_enabled(void) {
static int get_listening(
sd_bus *bus,
const char* unit_path,
- char*** listen,
+ char*** listening,
unsigned *c) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
- r = strv_extend(listen, type);
+ r = strv_extend(listening, type);
if (r < 0)
return log_oom();
- r = strv_extend(listen, path);
+ r = strv_extend(listening, path);
if (r < 0)
return log_oom();
cu = (unsigned) r;
for (u = unit_infos; u < unit_infos + cu; u++) {
- _cleanup_strv_free_ char **listen = NULL, **triggered = NULL;
+ _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
unsigned c = 0, i;
if (!output_show_unit(u))
if (r < 0)
goto cleanup;
- r = get_listening(bus, u->unit_path, &listen, &c);
+ r = get_listening(bus, u->unit_path, &listening, &c);
if (r < 0)
goto cleanup;
for (i = 0; i < c; i++)
socket_infos[cs + i] = (struct socket_info) {
.id = u->id,
- .type = listen[i*2],
- .path = listen[i*2 + 1],
+ .type = listening[i*2],
+ .path = listening[i*2 + 1],
.triggered = triggered,
.own_triggered = i==0,
};
/* from this point on we will cleanup those socket_infos */
cs += c;
- free(listen);
- listen = triggered = NULL; /* avoid cleanup */
+ free(listening);
+ listening = triggered = NULL; /* avoid cleanup */
}
qsort_safe(socket_infos, cs, sizeof(struct socket_info),
pager_open_if_enabled();
- id_len = unit_len = type_len = state_len = 0;
+ id_len = sizeof("JOB")-1;
+ unit_len = sizeof("UNIT")-1;
+ type_len = sizeof("TYPE")-1;
+ state_len = sizeof("STATE")-1;
+
for (j = jobs; j < jobs + n; j++) {
uint32_t id = j->id;
assert(j->name && j->type && j->state);
/* If logind is not around, then there are no inhibitors... */
return 0;
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "ssssuu");
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
if (r < 0)
return bus_log_parse_error(r);
- while ((r = sd_bus_message_read(reply, "ssssuu", &what, &who, &why, &mode, &uid, &pid)) > 0) {
+ while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
_cleanup_free_ char *comm = NULL, *user = NULL;
_cleanup_strv_free_ char **sv = NULL;
(a == ACTION_HALT ||
a == ACTION_POWEROFF ||
a == ACTION_REBOOT))
- halt_now(a);
+ return halt_now(a);
if (arg_force >= 1 &&
(a == ACTION_HALT ||
/* This is a low-level property printer, see
* print_status_info() for the nicer output */
- if (arg_properties && !strv_find(arg_properties, name))
- return 0;
+ if (arg_properties && !strv_find(arg_properties, name)) {
+ /* skip what we didn't read */
+ r = sd_bus_message_skip(m, contents);
+ return r;
+ }
switch (contents[0]) {
else if (r < 0)
log_error("Failed to execute operation: %s", bus_error_message(&error, r));
- return r;
+ return r < 0 ? r : 0;
}
static int reset_failed(sd_bus *bus, char **args) {
return 1;
}
-static int systemctl_main(sd_bus *bus, int argc, char *argv[], const int r) {
+static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) {
static const struct {
const char* verb;
if (((!streq(verbs[i].verb, "reboot") &&
!streq(verbs[i].verb, "halt") &&
!streq(verbs[i].verb, "poweroff")) || arg_force <= 0) && !bus) {
- log_error("Failed to get D-Bus connection: %s", strerror (-r));
+ log_error("Failed to get D-Bus connection: %s", strerror (-bus_error));
return -EIO;
}
} else {
if (!bus && !avoid_bus()) {
- log_error("Failed to get D-Bus connection: %s", strerror (-r));
+ log_error("Failed to get D-Bus connection: %s", strerror (-bus_error));
return -EIO;
}
}
return 0;
}
-static _noreturn_ void halt_now(enum action a) {
-
- _cleanup_free_ char *param = NULL;
+static int halt_now(enum action a) {
- /* Make sure C-A-D is handled by the kernel from this
+/* Make sure C-A-D is handled by the kernel from this
* point on... */
reboot(RB_ENABLE_CAD);
case ACTION_HALT:
log_info("Halting.");
reboot(RB_HALT_SYSTEM);
- break;
+ return -errno;
case ACTION_POWEROFF:
log_info("Powering off.");
reboot(RB_POWER_OFF);
- break;
+ return -errno;
- case ACTION_REBOOT:
+ case ACTION_REBOOT: {
+ _cleanup_free_ char *param = NULL;
- if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) == 0) {
- log_info("Rebooting with arg '%s'.", param);
+ if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) {
+ log_info("Rebooting with argument '%s'.", param);
syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
LINUX_REBOOT_CMD_RESTART2, param);
- } else {
- log_info("Rebooting.");
- reboot(RB_AUTOBOOT);
}
- break;
- default:
- assert_not_reached("Unknown halt action.");
+ log_info("Rebooting.");
+ reboot(RB_AUTOBOOT);
+ return -errno;
}
- assert_not_reached("Uh? This shouldn't happen.");
+ default:
+ assert_not_reached("Unknown action.");
+ }
}
static int halt_main(sd_bus *bus) {
if (arg_dry)
return 0;
- halt_now(arg_action);
- /* We should never reach this. */
- return -ENOSYS;
+ r = halt_now(arg_action);
+ log_error("Failed to reboot: %s", strerror(-r));
+
+ return r;
}
static int runlevel_main(void) {
goto finish;
}
- if (!avoid_bus()) {
- r = bus_open_transport(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
- if (r < 0) {
- log_error("Failed to create bus connection: %s", strerror(-r));
- goto finish;
- }
- }
+ if (!avoid_bus())
+ r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus);
+
+ /* systemctl_main() will print an error message for the bus
+ * connection, but only if it needs to */
switch (arg_action) {
~ianmdlvl / elogind.git / blobdiff