}
p = strappend("/dev/input/", b->name);
- if (!p) {
- log_error("Out of memory");
- return -ENOMEM;
- }
+ if (!p)
+ return log_oom();
b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
free(p);
return r;
}
-static Session *button_get_session(Button *b) {
- Seat *seat;
- assert(b);
-
- if (!b->seat)
- return NULL;
-
- seat = hashmap_get(b->manager->seats, b->seat);
- if (!seat)
- return NULL;
+static int button_handle(
+ Button *b,
+ InhibitWhat inhibit_key,
+ HandleButton handle,
+ bool ignore_inhibited,
+ bool is_edge) {
+
+ static const char * const message_table[_HANDLE_BUTTON_MAX] = {
+ [HANDLE_POWEROFF] = "Powering Off...",
+ [HANDLE_REBOOT] = "Rebooting...",
+ [HANDLE_HALT] = "Halting...",
+ [HANDLE_KEXEC] = "Rebooting via kexec...",
+ [HANDLE_SUSPEND] = "Suspending...",
+ [HANDLE_HIBERNATE] = "Hibernating...",
+ [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
+ };
+
+ static const char * const target_table[_HANDLE_BUTTON_MAX] = {
+ [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
+ [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
+ [HANDLE_HALT] = SPECIAL_HALT_TARGET,
+ [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
+ [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
+ [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
+ [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
+ };
- return seat->active;
-}
-
-static int button_power_off(Button *b, HandleButton handle) {
DBusError error;
int r;
+ InhibitWhat inhibit_operation;
assert(b);
- if (handle == HANDLE_OFF)
+ /* If the key handling is turned off, don't do anything */
+ if (handle == HANDLE_IGNORE) {
+ log_debug("Refusing key handling, as it is turned off.");
return 0;
-
- if (handle == HANDLE_NO_SESSION) {
- if (hashmap_size(b->manager->sessions) > 0) {
- log_error("Refusing power-off, user is logged in.");
- warn_melody();
- return -EPERM;
- }
-
- } else if (handle == HANDLE_TTY_SESSION ||
- handle == HANDLE_ANY_SESSION) {
- unsigned n;
- Session *s;
-
- n = hashmap_size(b->manager->sessions);
- s = button_get_session(b);
-
- /* Silently ignore events of graphical sessions */
- if (handle == HANDLE_TTY_SESSION &&
- s && s->type == SESSION_X11)
- return 0;
-
- if (n > 1 || (n == 1 && !s)) {
- log_error("Refusing power-off, other user is logged in.");
- warn_melody();
- return -EPERM;
- }
-
}
- if (handle != HANDLE_ALWAYS) {
- if (manager_is_inhibited(b->manager, INHIBIT_SHUTDOWN, INHIBIT_BLOCK, NULL)) {
- log_error("Refusing power-off, shutdown is inhibited.");
- warn_melody();
- return -EPERM;
- }
+ /* If the key handling is inhibited, don't do anything */
+ if (manager_is_inhibited(b->manager, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
+ log_debug("Refusing key handling, %s is inhibited.", inhibit_what_to_string(inhibit_key));
+ return 0;
}
- log_info("Powering off...");
-
- dbus_error_init(&error);
- r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, SPECIAL_POWEROFF_TARGET, INHIBIT_SHUTDOWN, &error);
- if (r < 0) {
- log_error("Failed to power off: %s", bus_error_message(&error));
- dbus_error_free(&error);
+ /* Locking is handled differently from the rest. */
+ if (handle == HANDLE_LOCK) {
+ log_info("Locking sessions...");
+ session_send_lock_all(b->manager, true);
+ return 1;
}
- return r;
-}
-
-static int button_suspend(Button *b, HandleButton handle) {
- DBusError error;
- int r;
-
- assert(b);
-
- if (handle == HANDLE_OFF)
- return 0;
-
- if (handle == HANDLE_NO_SESSION) {
- if (hashmap_size(b->manager->sessions) > 0) {
- log_error("Refusing suspend, user is logged in.");
- warn_melody();
- return -EPERM;
- }
+ inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
- } else if (handle == HANDLE_TTY_SESSION ||
- handle == HANDLE_ANY_SESSION) {
- unsigned n;
- Session *s;
+ /* If the actual operation is inhibited, warn and fail */
+ if (!ignore_inhibited &&
+ manager_is_inhibited(b->manager, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
- n = hashmap_size(b->manager->sessions);
- s = button_get_session(b);
- /* Silently ignore events of graphical sessions */
- if (handle == HANDLE_TTY_SESSION &&
- s && s->type == SESSION_X11)
+ /* If this is just a recheck of the lid switch then don't warn about anything */
+ if (!is_edge) {
+ log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
return 0;
-
- if (n > 1 || (n == 1 && !s)) {
- log_error("Refusing suspend, other user is logged in.");
- warn_melody();
- return -EPERM;
}
- }
- if (handle != HANDLE_ALWAYS) {
- if (manager_is_inhibited(b->manager, INHIBIT_SLEEP, INHIBIT_BLOCK, NULL)) {
- log_error("Refusing suspend, sleeping is inhibited.");
- warn_melody();
- return -EPERM;
- }
+ log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
+ warn_melody();
+ return -EPERM;
}
- log_info("Suspending...");
+ log_info("%s", message_table[handle]);
+
+ /* We are executing the operation, so make sure we don't
+ * execute another one until the lid is opened/closed again */
+ b->lid_close_queued = false;
dbus_error_init(&error);
- r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, SPECIAL_SUSPEND_TARGET, INHIBIT_SLEEP, &error);
+ r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, target_table[handle], inhibit_operation, &error);
if (r < 0) {
- log_error("Failed to suspend: %s", bus_error_message(&error));
+ log_error("Failed to execute operation: %s", bus_error_message(&error));
dbus_error_free(&error);
+ return r;
}
- return r;
+ return 1;
}
int button_process(Button *b) {
case KEY_POWER:
case KEY_POWER2:
log_info("Power key pressed.");
- return button_power_off(b, b->manager->handle_power_key);
+ return button_handle(b, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
+
+ /* The kernel is a bit confused here:
+
+ KEY_SLEEP = suspend-to-ram, which everybody else calls "suspend"
+ KEY_SUSPEND = suspend-to-disk, which everybody else calls "hibernate"
+ */
case KEY_SLEEP:
- case KEY_SUSPEND:
- log_info("Sleep key pressed.");
- return button_suspend(b, b->manager->handle_sleep_key);
+ log_info("Suspend key pressed.");
+ return button_handle(b, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
+ case KEY_SUSPEND:
+ log_info("Hibernate key pressed.");
+ return button_handle(b, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
}
+
} else if (ev.type == EV_SW && ev.value > 0) {
switch (ev.code) {
case SW_LID:
log_info("Lid closed.");
- return button_suspend(b, b->manager->handle_lid_switch);
+ b->lid_close_queued = true;
+
+ return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true);
+ }
+
+ } else if (ev.type == EV_SW && ev.value == 0) {
+
+ switch (ev.code) {
+
+ case SW_LID:
+ log_info("Lid opened.");
+ b->lid_close_queued = false;
+ break;
}
}
return 0;
}
+int button_recheck(Button *b) {
+ assert(b);
+
+ if (!b->lid_close_queued)
+ return 0;
+
+ return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false);
+}
+
static const char* const handle_button_table[_HANDLE_BUTTON_MAX] = {
- [HANDLE_OFF] = "off",
- [HANDLE_NO_SESSION] = "no-session",
- [HANDLE_TTY_SESSION] = "tty-session",
- [HANDLE_ANY_SESSION] = "any-session",
- [HANDLE_ALWAYS] = "always"
+ [HANDLE_IGNORE] = "ignore",
+ [HANDLE_POWEROFF] = "poweroff",
+ [HANDLE_REBOOT] = "reboot",
+ [HANDLE_HALT] = "halt",
+ [HANDLE_KEXEC] = "kexec",
+ [HANDLE_SUSPEND] = "suspend",
+ [HANDLE_HIBERNATE] = "hibernate",
+ [HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
+ [HANDLE_LOCK] = "lock"
};
DEFINE_STRING_TABLE_LOOKUP(handle_button, HandleButton);
DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_button, handle_button, HandleButton, "Failed to parse handle button setting");