launcher: add weston_launcher_close() dummy

If you request a device via weston_launcher_open(), you should now release
it via weston_launcher_close() instead of close(). This is currently not
needed but will be required for logind devices.

src/launcher-util.c

@@ -173,6 +173,12 @@ weston_launcher_open(struct weston_launcher *launcher,
 	return data->fd;
 }
 
+void
+weston_launcher_close(struct weston_launcher *launcher, int fd)
+{
+	close(fd);
+}
+
 void
 weston_launcher_restore(struct weston_launcher *launcher)
 {

src/launcher-util.h

@@ -39,6 +39,9 @@ int
 weston_launcher_open(struct weston_launcher *launcher,
 		     const char *path, int flags);
 
+void
+weston_launcher_close(struct weston_launcher *launcher, int fd);
+
 int
 weston_launcher_activate_vt(struct weston_launcher *launcher, int vt);
 

src/udev-seat.c

@@ -83,11 +83,11 @@ device_added(struct udev_device *udev_device, struct udev_input *input)
 
 	device = evdev_device_create(&seat->base, devnode, fd);
 	if (device == EVDEV_UNHANDLED_DEVICE) {
-		close(fd);
+		weston_launcher_close(c->launcher, fd);
 		weston_log("not using input device '%s'.\n", devnode);
 		return 0;
 	} else if (device == NULL) {
-		close(fd);
+		weston_launcher_close(c->launcher, fd);
 		weston_log("failed to create input device '%s'.\n", devnode);
 		return 0;
 	}
@@ -219,6 +219,8 @@ evdev_udev_handler(int fd, uint32_t mask, void *data)
 				if (!strcmp(device->devnode, devnode)) {
 					weston_log("input device %s, %s removed\n",
 							device->devname, device->devnode);
+					weston_launcher_close(input->compositor->launcher,
+							      device->fd);
 					evdev_device_destroy(device);
 					break;
 				}
@@ -278,8 +280,11 @@ udev_input_remove_devices(struct udev_input *input)
 	struct udev_seat *seat;
 
 	wl_list_for_each(seat, &input->compositor->seat_list, base.link) {
-		wl_list_for_each_safe(device, next, &seat->devices_list, link)
+		wl_list_for_each_safe(device, next, &seat->devices_list, link) {
+			weston_launcher_close(input->compositor->launcher,
+					      device->fd);
 			evdev_device_destroy(device);
+		}
 
 		if (seat->base.keyboard)
 			notify_keyboard_focus_out(&seat->base);