From 502add23f1e6d396208ff04042f1c533cb152538 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 2 Feb 1994 23:47:57 +0000
Subject: [PATCH] (XTread_socket): Add X_IO_BUG conditional.

---
 src/xterm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/xterm.c b/src/xterm.c
index 7f0419e6f61..4fef2abc72e 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3618,6 +3618,13 @@ XTread_socket (sd, bufp, numchars, waitp, expected)
 	}
     }
 
+#ifdef X_IO_BUG
+  if (! event_found)
+    /* On some systems, an X bug causes Emacs to get no more events
+       when the window is destroyed.  Detect that.  */
+    XNoOp (x_current_display);
+#endif /* X_IO_BUG */
+
 #ifdef HAVE_SELECT
   if (expected && ! event_found)
     {
-- 
2.39.5