-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <assert.h>
-#include <string.h>
#include <errno.h>
#include <fcntl.h>
+#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/input.h>
#include "sd-messages.h"
-#include "conf-parser.h"
-#include "util.h"
-#include "special.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
#include "logind-button.h"
+#include "string-util.h"
+#include "util.h"
Button* button_new(Manager *m, const char *name) {
Button *b;
return NULL;
b->name = strdup(name);
- if (!b->name) {
- free(b);
- return NULL;
- }
+ if (!b->name)
+ return mfree(b);
if (hashmap_put(m->buttons, b->name, b) < 0) {
free(b->name);
- free(b);
- return NULL;
+ return mfree(b);
}
b->manager = m;
hashmap_remove(b->manager->buttons, b->name);
- sd_event_source_unref(b->event_source);
+ sd_event_source_unref(b->io_event_source);
+ sd_event_source_unref(b->check_event_source);
- if (b->fd >= 0) {
+ if (b->fd >= 0)
/* If the device has been unplugged close() returns
* ENODEV, let's ignore this, hence we don't use
- * close_nointr_nofail() */
- close(b->fd);
- }
+ * safe_close() */
+ (void) close(b->fd);
free(b->name);
free(b->seat);
return 0;
}
-static int button_handle(
- Button *b,
- InhibitWhat inhibit_key,
- HandleAction handle,
- bool ignore_inhibited,
- bool is_edge) {
+static void button_lid_switch_handle_action(Manager *manager, bool is_edge) {
+ HandleAction handle_action;
- int r;
+ assert(manager);
+
+ /* If we are docked, handle the lid switch differently */
+ if (manager_is_docked_or_external_displays(manager))
+ handle_action = manager->handle_lid_switch_docked;
+ else
+ handle_action = manager->handle_lid_switch;
+
+ manager_handle_action(manager, INHIBIT_HANDLE_LID_SWITCH, handle_action, manager->lid_switch_ignore_inhibited, is_edge);
+}
+
+static int button_recheck(sd_event_source *e, void *userdata) {
+ Button *b = userdata;
assert(b);
+ assert(b->lid_closed);
- r = manager_handle_action(b->manager, inhibit_key, handle, ignore_inhibited, is_edge);
- if (r > 0)
- /* 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;
+ button_lid_switch_handle_action(b->manager, false);
+ return 1;
+}
- return 0;
+static int button_install_check_event_source(Button *b) {
+ int r;
+ assert(b);
+
+ /* Install a post handler, so that we keep rechecking as long as the lid is closed. */
+
+ if (b->check_event_source)
+ return 0;
+
+ r = sd_event_add_post(b->manager->event, &b->check_event_source, button_recheck, b);
+ if (r < 0)
+ return r;
+
+ return sd_event_source_set_priority(b->check_event_source, SD_EVENT_PRIORITY_IDLE+1);
}
static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
case KEY_POWER:
case KEY_POWER2:
log_struct(LOG_INFO,
- "MESSAGE=Power key pressed.",
- MESSAGE_ID(SD_MESSAGE_POWER_KEY),
+ LOG_MESSAGE("Power key pressed."),
+ LOG_MESSAGE_ID(SD_MESSAGE_POWER_KEY),
NULL);
- button_handle(b, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
+ manager_handle_action(b->manager, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
break;
/* The kernel is a bit confused here:
case KEY_SLEEP:
log_struct(LOG_INFO,
- "MESSAGE=Suspend key pressed.",
- MESSAGE_ID(SD_MESSAGE_SUSPEND_KEY),
+ LOG_MESSAGE("Suspend key pressed."),
+ LOG_MESSAGE_ID(SD_MESSAGE_SUSPEND_KEY),
NULL);
- button_handle(b, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
+ manager_handle_action(b->manager, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
break;
case KEY_SUSPEND:
log_struct(LOG_INFO,
- "MESSAGE=Hibernate key pressed.",
- MESSAGE_ID(SD_MESSAGE_HIBERNATE_KEY),
+ LOG_MESSAGE("Hibernate key pressed."),
+ LOG_MESSAGE_ID(SD_MESSAGE_HIBERNATE_KEY),
NULL);
- button_handle(b, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
+ manager_handle_action(b->manager, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
break;
}
if (ev.code == SW_LID) {
log_struct(LOG_INFO,
- "MESSAGE=Lid closed.",
- MESSAGE_ID(SD_MESSAGE_LID_CLOSED),
+ LOG_MESSAGE("Lid closed."),
+ LOG_MESSAGE_ID(SD_MESSAGE_LID_CLOSED),
NULL);
- b->lid_close_queued = true;
- button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true);
+ b->lid_closed = true;
+ button_lid_switch_handle_action(b->manager, true);
+ button_install_check_event_source(b);
+
+ } else if (ev.code == SW_DOCK) {
+ log_struct(LOG_INFO,
+ LOG_MESSAGE("System docked."),
+ LOG_MESSAGE_ID(SD_MESSAGE_SYSTEM_DOCKED),
+ NULL);
+
+ b->docked = true;
}
} else if (ev.type == EV_SW && ev.value == 0) {
if (ev.code == SW_LID) {
log_struct(LOG_INFO,
- "MESSAGE=Lid opened.",
- MESSAGE_ID(SD_MESSAGE_LID_OPENED),
+ LOG_MESSAGE("Lid opened."),
+ LOG_MESSAGE_ID(SD_MESSAGE_LID_OPENED),
+ NULL);
+
+ b->lid_closed = false;
+ b->check_event_source = sd_event_source_unref(b->check_event_source);
+
+ } else if (ev.code == SW_DOCK) {
+ log_struct(LOG_INFO,
+ LOG_MESSAGE("System undocked."),
+ LOG_MESSAGE_ID(SD_MESSAGE_SYSTEM_UNDOCKED),
NULL);
- b->lid_close_queued = false;
+ b->docked = false;
}
}
assert(b);
- if (b->fd >= 0) {
- close(b->fd);
- b->fd = -1;
- }
+ b->fd = safe_close(b->fd);
- p = strappenda("/dev/input/", b->name);
+ p = strjoina("/dev/input/", b->name);
b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (b->fd < 0) {
- log_warning("Failed to open %s: %m", b->name);
- return -errno;
- }
+ if (b->fd < 0)
+ return log_warning_errno(errno, "Failed to open %s: %m", b->name);
if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
- log_error("Failed to get input name: %m");
- r = -errno;
+ r = log_error_errno(errno, "Failed to get input name: %m");
goto fail;
}
- r = sd_event_add_io(b->manager->event, b->fd, EPOLLIN, button_dispatch, b, &b->event_source);
+ r = sd_event_add_io(b->manager->event, &b->io_event_source, b->fd, EPOLLIN, button_dispatch, b);
if (r < 0) {
- log_error("Failed to add button event: %s", strerror(-r));
+ log_error_errno(r, "Failed to add button event: %m");
goto fail;
}
return 0;
fail:
- close(b->fd);
- b->fd = -1;
+ b->fd = safe_close(b->fd);
return r;
}
-int button_recheck(Button *b) {
+int button_check_switches(Button *b) {
+ uint8_t switches[SW_MAX/8+1] = {};
assert(b);
- if (!b->lid_close_queued)
- return 0;
+ if (b->fd < 0)
+ return -EINVAL;
- return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false);
+ if (ioctl(b->fd, EVIOCGSW(sizeof(switches)), switches) < 0)
+ return -errno;
+
+ b->lid_closed = (switches[SW_LID/8] >> (SW_LID % 8)) & 1;
+ b->docked = (switches[SW_DOCK/8] >> (SW_DOCK % 8)) & 1;
+
+ if (b->lid_closed)
+ button_install_check_event_source(b);
+
+ return 0;
}