From 467af476c1ba9c36f6a621fde0e7cfd531b95ec3 Mon Sep 17 00:00:00 2001
From: Andrew Innes <andrewi@gnu.org>
Date: Mon, 28 Dec 1998 19:28:19 +0000
Subject: [PATCH] (_start): Force system calls accessing unmounted devices to
 fail without prompting.

---
 src/unexw32.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/unexw32.c b/src/unexw32.c
index 2363e7e73d0..f7314e79207 100644
--- a/src/unexw32.c
+++ b/src/unexw32.c
@@ -155,6 +155,10 @@ _start (void)
      having us exit.  */
   SetConsoleCtrlHandler ((PHANDLER_ROUTINE) ctrl_c_handler, TRUE);
 
+  /* Prevent Emacs from being locked up (eg. in batch mode) when
+     accessing devices that aren't mounted (eg. removable media drives).  */
+  SetErrorMode (SEM_FAILCRITICALERRORS);
+
   /* Invoke the NT CRT startup routine now that our housecleaning
      is finished.  */
 #ifdef HAVE_NTGUI
-- 
2.39.2