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#include <stdlib.h>
#include "util/global.h"
struct destroy_global_data {
struct wl_global *global;
struct wl_event_source *event_source;
struct wl_listener display_destroy;
};
static void destroy_global(struct destroy_global_data *data) {
wl_list_remove(&data->display_destroy.link);
wl_global_destroy(data->global);
wl_event_source_remove(data->event_source);
free(data);
}
static int handle_timer_event(void *data) {
destroy_global(data);
return 0;
}
static void handle_display_destroy(struct wl_listener *listener, void *_data) {
struct destroy_global_data *data =
wl_container_of(listener, data, display_destroy);
destroy_global(data);
}
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, handle_timer_event, data);
if (data->event_source == NULL) {
free(data);
wl_global_destroy(global);
return;
}
wl_event_source_timer_update(data->event_source, 5000);
data->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &data->display_destroy);
}
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