master 8e9ad92a140: Protect Vframe_list updating from interruptions

[Robert Pluim]

branch: master
commit 8e9ad92a140e89c3e29dd7ab148534289e7769db
Author: Robert Pluim <rpluim@gmail.com>
Commit: Robert Pluim <rpluim@gmail.com>

    Protect Vframe_list updating from interruptions
    
    * src/frame.c (delete_frame): When deleting the frame from
    Vframe_list, block input, since input can arrive whilst we're
    running lisp  (Bug#74902).
---
 src/frame.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/frame.c b/src/frame.c
index 7c07100e944..146ecb226a4 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -2497,7 +2497,9 @@ delete_frame (Lisp_Object frame, Lisp_Object force)
   delete_all_child_windows (f->root_window);
   fset_root_window (f, Qnil);
 
+  block_input ();
   Vframe_list = Fdelq (frame, Vframe_list);
+  unblock_input ();
   SET_FRAME_VISIBLE (f, false);
 
   /* Allow the vector of menu bar contents to be freed in the next