From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 14 Jun 2025 08:57:42 +0000 (+0300)
Subject: Support 'C-g C-g C-g' "urgent quit" feature on MS-Windows
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ee4f0d1bb0e5413335ac2fa4d582a726abc7c3c7;p=emacs.git

Support 'C-g C-g C-g' "urgent quit" feature on MS-Windows

* src/w32fns.c (post_character_message): Support triple-C-g.
(Bug#78737)

(cherry picked from commit 3927402af0affcb13989a7afbacb5107badb9f80)
---

diff --git a/src/w32fns.c b/src/w32fns.c
index d96c051f30d..493f33486fb 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -3977,6 +3977,13 @@ post_character_message (HWND hwnd, UINT msg,
 	|| (wmsg.dwModifiers == 0
 	    && w32_quit_key && wParam == w32_quit_key))
       {
+	/* See keyboard.c:handle_interrupt.  We repeat the same code
+           here to support the triple-C-g feature.  */
+	static int force_quit_count;
+	int count = NILP (Vquit_flag) ? 1 : force_quit_count + 1;
+	force_quit_count = count;
+	if (count == 3)
+	  Vinhibit_quit = Qnil;
 	Vquit_flag = Qt;
 
 	/* The choice of message is somewhat arbitrary, as long as