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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
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
#include <stdlib.h>
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#include "util/global.h"
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struct destroy_global_data {
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struct wl_global *global;
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struct wl_event_source *event_source;
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};
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static int destroy_global(void *_data) {
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struct destroy_global_data *data = _data;
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wl_global_destroy(data->global);
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wl_event_source_remove(data->event_source);
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free(data);
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return 0;
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}
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void wlr_global_destroy_safe(struct wl_global *global,
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struct wl_display *display) {
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// Don't destroy the global immediately. If the global has been created
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// recently, clients might try to bind to it after we've destroyed it.
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// Instead, remove the global so that clients stop seeing it and wait an
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// arbitrary amount of time before destroying the global as a workaround.
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// See: https://gitlab.freedesktop.org/wayland/wayland/issues/10
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wl_global_remove(global);
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wl_global_set_user_data(global, NULL); // safety net
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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struct destroy_global_data *data = calloc(1, sizeof(*data));
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if (data == NULL) {
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wl_global_destroy(global);
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return;
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}
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data->global = global;
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data->event_source =
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wl_event_loop_add_timer(event_loop, destroy_global, data);
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if (data->event_source == NULL) {
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free(data);
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wl_global_destroy(global);
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return;
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}
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wl_event_source_timer_update(data->event_source, 5000);
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}
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