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Diffstat (limited to 'src/login/logind-button.c')
-rw-r--r--src/login/logind-button.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/src/login/logind-button.c b/src/login/logind-button.c
deleted file mode 100644
index 90fb93bbaf..0000000000
--- a/src/login/logind-button.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#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 "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;
-
- assert(m);
- assert(name);
-
- b = new0(Button, 1);
- if (!b)
- return NULL;
-
- b->name = strdup(name);
- if (!b->name)
- return mfree(b);
-
- if (hashmap_put(m->buttons, b->name, b) < 0) {
- free(b->name);
- return mfree(b);
- }
-
- b->manager = m;
- b->fd = -1;
-
- return b;
-}
-
-void button_free(Button *b) {
- assert(b);
-
- hashmap_remove(b->manager->buttons, b->name);
-
- sd_event_source_unref(b->io_event_source);
- sd_event_source_unref(b->check_event_source);
-
- if (b->fd >= 0)
- /* If the device has been unplugged close() returns
- * ENODEV, let's ignore this, hence we don't use
- * safe_close() */
- (void) close(b->fd);
-
- free(b->name);
- free(b->seat);
- free(b);
-}
-
-int button_set_seat(Button *b, const char *sn) {
- char *s;
-
- assert(b);
- assert(sn);
-
- s = strdup(sn);
- if (!s)
- return -ENOMEM;
-
- free(b->seat);
- b->seat = s;
-
- return 0;
-}
-
-static void button_lid_switch_handle_action(Manager *manager, bool is_edge) {
- HandleAction handle_action;
-
- 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);
-
- button_lid_switch_handle_action(b->manager, false);
- return 1;
-}
-
-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) {
- Button *b = userdata;
- struct input_event ev;
- ssize_t l;
-
- assert(s);
- assert(fd == b->fd);
- assert(b);
-
- l = read(b->fd, &ev, sizeof(ev));
- if (l < 0)
- return errno != EAGAIN ? -errno : 0;
- if ((size_t) l < sizeof(ev))
- return -EIO;
-
- if (ev.type == EV_KEY && ev.value > 0) {
-
- switch (ev.code) {
-
- case KEY_POWER:
- case KEY_POWER2:
- log_struct(LOG_INFO,
- LOG_MESSAGE("Power key pressed."),
- LOG_MESSAGE_ID(SD_MESSAGE_POWER_KEY),
- NULL);
-
- 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:
-
- KEY_SLEEP = suspend-to-ram, which everybody else calls "suspend"
- KEY_SUSPEND = suspend-to-disk, which everybody else calls "hibernate"
- */
-
- case KEY_SLEEP:
- log_struct(LOG_INFO,
- LOG_MESSAGE("Suspend key pressed."),
- LOG_MESSAGE_ID(SD_MESSAGE_SUSPEND_KEY),
- NULL);
-
- 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,
- LOG_MESSAGE("Hibernate key pressed."),
- LOG_MESSAGE_ID(SD_MESSAGE_HIBERNATE_KEY),
- NULL);
-
- manager_handle_action(b->manager, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
- break;
- }
-
- } else if (ev.type == EV_SW && ev.value > 0) {
-
- if (ev.code == SW_LID) {
- log_struct(LOG_INFO,
- LOG_MESSAGE("Lid closed."),
- LOG_MESSAGE_ID(SD_MESSAGE_LID_CLOSED),
- NULL);
-
- 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,
- 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->docked = false;
- }
- }
-
- return 0;
-}
-
-int button_open(Button *b) {
- char *p, name[256];
- int r;
-
- assert(b);
-
- b->fd = safe_close(b->fd);
-
- p = strjoina("/dev/input/", b->name);
-
- b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- 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) {
- r = log_error_errno(errno, "Failed to get input name: %m");
- goto fail;
- }
-
- r = sd_event_add_io(b->manager->event, &b->io_event_source, b->fd, EPOLLIN, button_dispatch, b);
- if (r < 0) {
- log_error_errno(r, "Failed to add button event: %m");
- goto fail;
- }
-
- log_info("Watching system buttons on /dev/input/%s (%s)", b->name, name);
-
- return 0;
-
-fail:
- b->fd = safe_close(b->fd);
- return r;
-}
-
-int button_check_switches(Button *b) {
- uint8_t switches[SW_MAX/8+1] = {};
- assert(b);
-
- if (b->fd < 0)
- return -EINVAL;
-
- 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:16:01 +0000