From b5ca2161d93e634f9938af7d9ca1fb1ddab3d501 Mon Sep 17 00:00:00 2001
From: glx <glx@openttd.org>
Date: Fri, 29 May 2020 16:14:53 +0200
Subject: Fix #7970: [Win32] Disable event loop on crash to prevent recursive
 faults

---
 src/os/windows/crashlog_win.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/os/windows/crashlog_win.cpp b/src/os/windows/crashlog_win.cpp
index 9585bdf20..7a1a524aa 100644
--- a/src/os/windows/crashlog_win.cpp
+++ b/src/os/windows/crashlog_win.cpp
@@ -540,6 +540,9 @@ void *_safe_esp = nullptr;
 
 static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
 {
+	/* Disable our event loop. */
+	SetWindowLongPtr(GetActiveWindow(), GWLP_WNDPROC, (LONG_PTR)&DefWindowProc);
+
 	if (CrashLogWindows::current != nullptr) {
 		CrashLog::AfterCrashLogCleanup();
 		ExitProcess(2);
-- 
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