Use wl_signal_emit_mutable()

This function fixes segfaults when emitting a signal potentially
removes arbitrary listeners.

1 files changed, 2 insertions, 2 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index bf7085cb..718dd0e0 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -49,7 +49,7 @@ struct sway_container *container_create(struct sway_view *view) {
         c->outputs = create_list();
 
         wl_signal_init(&c->events.destroy);
-        wl_signal_emit(&root->events.new_node, &c->node);
+        wl_signal_emit_mutable(&root->events.new_node, &c->node);
 
         return c;
 }
@@ -104,7 +104,7 @@ void container_begin_destroy(struct sway_container *con) {
                 container_fullscreen_disable(con);
         }
 
-        wl_signal_emit(&con->node.events.destroy, &con->node);
+        wl_signal_emit_mutable(&con->node.events.destroy, &con->node);
 
         container_end_mouse_operation(con);