From a71bbdd3220540b56848f10739ccb2226e2b8f97 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 8 Jul 2021 13:16:11 +0200
Subject: [PATCH] swaybar: exit cleanly when disconnected from IPC

---
 swaybar/bar.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/swaybar/bar.c b/swaybar/bar.c
index 74c1924f..2b11065f 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -468,6 +468,13 @@ static void display_in(int fd, short mask, void *data) {
 
 static void ipc_in(int fd, short mask, void *data) {
 	struct swaybar *bar = data;
+	if (mask & (POLLHUP | POLLERR)) {
+		if (mask & POLLERR) {
+			sway_log(SWAY_ERROR, "IPC poll error");
+		}
+		bar->running = false;
+		return;
+	}
 	if (handle_ipc_readable(bar)) {
 		set_bar_dirty(bar);
 	}