diff options
Diffstat (limited to 'src/login/logind-button.c')
| -rw-r--r-- | src/login/logind-button.c | 70 |
1 files changed, 45 insertions, 25 deletions
diff --git a/src/login/logind-button.c b/src/login/logind-button.c index 80236c40c1..720071a2a8 100644 --- a/src/login/logind-button.c +++ b/src/login/logind-button.c @@ -66,7 +66,8 @@ void button_free(Button *b) { 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 the device has been unplugged close() returns @@ -96,24 +97,30 @@ int button_set_seat(Button *b, const char *sn) { return 0; } -static int button_handle( - Button *b, - InhibitWhat inhibit_key, - HandleAction handle, - bool ignore_inhibited, - bool is_edge) { +static int button_recheck(sd_event_source *e, void *userdata) { + Button *b = userdata; - int r; + assert(b); + assert(b->lid_closed); + + manager_handle_action(b->manager, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false); + return 1; +} +static int button_install_check_event_source(Button *b) { + int r; assert(b); - 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; + /* Install a post handler, so that we keep rechecking as long as the lid is closed. */ - return 0; + 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) { @@ -142,7 +149,7 @@ static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *u 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: @@ -157,7 +164,7 @@ static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *u 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: @@ -166,7 +173,7 @@ static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *u 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; } @@ -178,8 +185,9 @@ static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *u 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; + manager_handle_action(b->manager, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true); + button_install_check_event_source(b); } } else if (ev.type == EV_SW && ev.value == 0) { @@ -190,7 +198,8 @@ static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *u MESSAGE_ID(SD_MESSAGE_LID_OPENED), NULL); - b->lid_close_queued = false; + b->lid_closed = false; + b->check_event_source = sd_event_source_unref(b->check_event_source); } } @@ -222,7 +231,7 @@ int button_open(Button *b) { goto fail; } - r = sd_event_add_io(b->manager->event, &b->event_source, b->fd, EPOLLIN, button_dispatch, b); + 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)); goto fail; @@ -238,11 +247,22 @@ fail: return r; } -int button_recheck(Button *b) { +int button_check_lid(Button *b) { + uint8_t switches[SW_MAX/8+1] = {}; assert(b); - if (!b->lid_close_queued) - return 0; + if (b->fd < 0) + return -EINVAL; + + if (ioctl(b->fd, EVIOCGSW(sizeof(switches)), switches) < 0) + return -errno; - return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false); + b->lid_closed = (switches[SW_LID/8] >> (SW_LID % 8)) & 1; + + if (b->lid_closed) { + manager_handle_action(b->manager, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true); + button_install_check_event_source(b); + } + + return 0; } |