(free_glyphs): Block input while freeing matrices.

src/ChangeLog

@@ -1,5 +1,10 @@
 2000-03-02  Gerd Moellmann  <gerd@gnu.org>
 
+	* xterm.c (note_mouse_highlight): Return quickly if frame's
+	glyph matrices have been freed.
+
+	* dispnew.c (free_glyphs): Block input while freeing matrices.
+
 	* xfns.c (x_clear_image, x_kill_gs_process): Use x_free_colors.
 
 	* xterm.c (x_alloc_lighter_color, x_setup_relief_color): Use

src/dispnew.c

@@ -2170,6 +2170,9 @@ free_glyphs (f)
 {
   if (f && f->glyphs_initialized_p)
     {
+      /* Block interrupt input so that we don't get surprised by an X
+         event while we're in an inconsistent state.  */
+      BLOCK_INPUT;
       f->glyphs_initialized_p = 0;
       
       /* Release window sub-matrices.  */
@@ -2213,6 +2216,8 @@ free_glyphs (f)
 	  free_glyph_pool (f->current_pool);
 	  f->desired_pool = f->current_pool = NULL;
 	}
+      
+      UNBLOCK_INPUT;
     }
 }