From 0ad80a30e2787966175e7458028e0ef90114e924 Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Dec 12 2020 00:55:05 +0000
Subject: Apply patch 0001-Fix-poll_for_response-race-condition.patch


patch_name: 0001-Fix-poll_for_response-race-condition.patch
present_in_specfile: true

---

diff --git a/src/xcb_io.c b/src/xcb_io.c
index 6a12d15..2aacbda 100644
--- a/src/xcb_io.c
+++ b/src/xcb_io.c
@@ -201,12 +201,10 @@ static int handle_error(Display *dpy, xError *err, Bool in_XReply)
 }
 
 /* Widen a 32-bit sequence number into a 64bit (uint64_t) sequence number.
- * Treating the comparison as a 1 and shifting it avoids a conditional branch.
  */
 static void widen(uint64_t *wide, unsigned int narrow)
 {
-	uint64_t new = (*wide & ~((uint64_t)0xFFFFFFFFUL)) | narrow;
-	*wide = new + (((uint64_t)(new < *wide)) << 32);
+	*wide += (int32_t) (narrow - *wide);
 }
 
 /* Thread-safety rules: