Handle out-of-fd situations gracefully for transaction and urgent timers

1 files changed, 8 insertions, 2 deletions

diff --git a/sway/input/seat.c b/sway/input/seat.c
index e7b6e0c5..ab07c03c 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -696,8 +696,14 @@ void seat_set_focus_warp(struct sway_seat *seat,
                                 config->urgent_timeout > 0) {
                         view->urgent_timer = wl_event_loop_add_timer(server.wl_event_loop,
                                         handle_urgent_timeout, view);
-                        wl_event_source_timer_update(view->urgent_timer,
-                                        config->urgent_timeout);
+                        if (view->urgent_timer) {
+                                wl_event_source_timer_update(view->urgent_timer,
+                                                config->urgent_timeout);
+                        } else {
+                                wlr_log(WLR_ERROR, "Unable to create urgency timer. "
+                                                "There might not be any available file descriptors.");
+                                handle_urgent_timeout(view);
+                        }
                 } else {
                         view_set_urgent(view, false);
                 }