mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-29 18:42:21 +00:00
29726e6816
This adds a generic helper to destory transient globals. See [1]. This patch depends on [2] and [3]. [1]: https://gitlab.freedesktop.org/wayland/wayland/issues/10 [2]: https://gitlab.freedesktop.org/wayland/wayland/merge_requests/28 [3]: https://gitlab.freedesktop.org/wayland/wayland/merge_requests/30
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#include <stdlib.h>
|
|
#include "util/global.h"
|
|
|
|
struct destroy_global_data {
|
|
struct wl_global *global;
|
|
struct wl_event_source *event_source;
|
|
};
|
|
|
|
static int destroy_global(void *_data) {
|
|
struct destroy_global_data *data = _data;
|
|
wl_global_destroy(data->global);
|
|
wl_event_source_remove(data->event_source);
|
|
free(data);
|
|
return 0;
|
|
}
|
|
|
|
void wlr_global_destroy_safe(struct wl_global *global,
|
|
struct wl_display *display) {
|
|
// Don't destroy the global immediately. If the global has been created
|
|
// recently, clients might try to bind to it after we've destroyed it.
|
|
// Instead, remove the global so that clients stop seeing it and wait an
|
|
// arbitrary amount of time before destroying the global as a workaround.
|
|
// See: https://gitlab.freedesktop.org/wayland/wayland/issues/10
|
|
|
|
wl_global_remove(global);
|
|
wl_global_set_user_data(global, NULL); // safety net
|
|
|
|
struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
|
|
struct destroy_global_data *data = calloc(1, sizeof(*data));
|
|
if (data == NULL) {
|
|
wl_global_destroy(global);
|
|
return;
|
|
}
|
|
data->global = global;
|
|
data->event_source =
|
|
wl_event_loop_add_timer(event_loop, destroy_global, data);
|
|
if (data->event_source == NULL) {
|
|
free(data);
|
|
wl_global_destroy(global);
|
|
return;
|
|
}
|
|
wl_event_source_timer_update(data->event_source, 5000);
|
|
}
|