Remove wlr_signal_emit_safe

include/util/signal.h

@@ -1,8 +0,0 @@
-#ifndef UTIL_SIGNAL_H
-#define UTIL_SIGNAL_H
-
-#include <wayland-server-core.h>
-
-void wlr_signal_emit_safe(struct wl_signal *signal, void *data);
-
-#endif

util/meson.build

@@ -6,7 +6,6 @@ wlr_files += files(
 	'log.c',
 	'region.c',
 	'shm.c',
-	'signal.c',
 	'time.c',
 	'token.c',
 )

util/signal.c

@@ -1,34 +0,0 @@
-#include "util/signal.h"
-
-static void handle_noop(struct wl_listener *listener, void *data) {
-	// Do nothing
-}
-
-void wlr_signal_emit_safe(struct wl_signal *signal, void *data) {
-	struct wl_listener cursor;
-	struct wl_listener end;
-
-	/* Add two special markers: one cursor and one end marker. This way, we know
-	 * that we've already called listeners on the left of the cursor and that we
-	 * don't want to call listeners on the right of the end marker. The 'it'
-	 * function can remove any element it wants from the list without troubles.
-	 * wl_list_for_each_safe tries to be safe but it fails: it works fine
-	 * if the current item is removed, but not if the next one is. */
-	wl_list_insert(&signal->listener_list, &cursor.link);
-	cursor.notify = handle_noop;
-	wl_list_insert(signal->listener_list.prev, &end.link);
-	end.notify = handle_noop;
-
-	while (cursor.link.next != &end.link) {
-		struct wl_list *pos = cursor.link.next;
-		struct wl_listener *l = wl_container_of(pos, l, link);
-
-		wl_list_remove(&cursor.link);
-		wl_list_insert(pos, &cursor.link);
-
-		l->notify(l, data);
-	}
-
-	wl_list_remove(&cursor.link);
-	wl_list_remove(&end.link);
-}