swaybar: log Wayland display errors

4 years ago · daf9ad1af7
parent a71bbdd322
commit daf9ad1af7
1 changed files with 8 additions and 0 deletions
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@ -461,7 +461,15 @@ bool bar_setup(struct swaybar *bar, const char *socket_path) {

 static void display_in(int fd, short mask, void *data) {
 	struct swaybar *bar = data;
+	if (mask & (POLLHUP | POLLERR)) {
+		if (mask & POLLERR) {
+			sway_log(SWAY_ERROR, "Wayland display poll error");
+		}
+		bar->running = false;
+		return;
+	}
 	if (wl_display_dispatch(bar->display) == -1) {
+		sway_log(SWAY_ERROR, "wl_display_dispatch failed");
 		bar->running = false;
 	}
 }