wlroots/util/global.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) {
// 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_display *display = wl_global_get_display(global);
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);
}