From 32fbc4f247a31e35ade0939542e11aa033a2554f Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 29 Sep 2020 22:16:09 +0200
Subject: [PATCH] patch 8.2.1774: GTK: hang when forced to exit

Problem:    GTK: hang when forced to exit.
Solution:   Do not clean up "mainwin" when really_exiting is set.
            (Zdenek Dohnal, closes #7042)
---
 src/gui_gtk_x11.c | 7 +++++--
 src/version.c     | 2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index fe1ac5878..ecd2d887f 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -4381,11 +4381,14 @@ gui_mch_open(void)
     return OK;
 }
 
-
+/*
+ * Clean up for when exiting Vim.
+ */
     void
 gui_mch_exit(int rc UNUSED)
 {
-    if (gui.mainwin != NULL)
+    // Clean up, unless we don't want to invoke free().
+    if (gui.mainwin != NULL && !really_exiting)
 	gtk_widget_destroy(gui.mainwin);
 }
 
-- 
2.26.2