From 96c75b7f73697c1f2cd84f24fbec8aa240ae0570 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 17 Dec 2021 11:42:53 +0100
Subject: [PATCH] module/xkb: handle poll() failures

---
 modules/xkb.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/xkb.c b/modules/xkb.c
index 5c2c1f9..965664d 100644
--- a/modules/xkb.c
+++ b/modules/xkb.c
@@ -399,7 +399,14 @@ event_loop(struct module *mod, xcb_connection_t *conn, int xkb_event_base)
         };
 
         /* Use poll() since xcb_wait_for_events() doesn't return on signals */
-        poll(pfds, sizeof(pfds) / sizeof(pfds[0]), -1);
+        if (poll(pfds, sizeof(pfds) / sizeof(pfds[0]), -1) < 0) {
+            if (errno == EINTR)
+                continue;
+
+            LOG_ERRNO("failed to poll");
+            break;
+        }
+
         if (pfds[0].revents & POLLIN) {
             ret = true;
             break;