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evdev: Disable the udev monitor when another vt becomes active

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We dont want to receive hotplug events while being inactive.
When getting back active we enumerate all devices and would end up
with two sources for one device that may be hotplugged in the mean time.
This commit is contained in:
Benjamin Franzke 2012-04-09 18:14:58 +02:00 • committed by Jonas Ådahl
parent 5cc1e3263a
commit 38bb7a001b
2 changed files with 25 additions and 6 deletions
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25
src/evdev.c
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@ -632,9 +632,10 @@ evdev_udev_handler(int fd, uint32_t mask, void *data)
return 0;
}
static int
evdev_config_udev_monitor(struct udev *udev, struct evdev_input *master)
int
evdev_enable_udev_monitor(struct udev *udev, struct weston_input_device *input_base)
{
struct evdev_input *master = (struct evdev_input *) input_base;
struct wl_event_loop *loop;
struct weston_compositor *c = master->base.compositor;
int fd;
@ -667,6 +668,20 @@ evdev_config_udev_monitor(struct udev *udev, struct evdev_input *master)
return 1;
}
void
evdev_disable_udev_monitor(struct weston_input_device *input_base)
{
struct evdev_input *input = (struct evdev_input *) input_base;
if (!input->udev_monitor)
return;
udev_monitor_unref(input->udev_monitor);
input->udev_monitor = NULL;
wl_event_source_remove(input->udev_monitor_source);
input->udev_monitor_source = NULL;
}
void
evdev_input_create(struct weston_compositor *c, struct udev *udev,
const char *seat)
@ -682,7 +697,7 @@ evdev_input_create(struct weston_compositor *c, struct udev *udev,
wl_list_init(&input->devices_list);
input->seat_id = strdup(seat);
if (!evdev_config_udev_monitor(udev, input)) {
if (!evdev_enable_udev_monitor(udev, &input->base)) {
free(input->seat_id);
free(input);
return;
@ -709,9 +724,7 @@ evdev_input_destroy(struct weston_input_device *input_base)
struct evdev_input *input = (struct evdev_input *) input_base;
evdev_remove_devices(input_base);
udev_monitor_unref(input->udev_monitor);
wl_event_source_remove(input->udev_monitor_source);
evdev_disable_udev_monitor(&input->base);
wl_list_remove(&input->base.link);
free(input->seat_id);

6
src/evdev.h
View file

@ -33,3 +33,9 @@ evdev_input_create(struct weston_compositor *c, struct udev *udev,
void
evdev_input_destroy(struct weston_input_device *input_base);
int
evdev_enable_udev_monitor(struct udev *udev, struct weston_input_device *input_base);
void
evdev_disable_udev_monitor(struct weston_input_device *input_base);