Make DeadlockDetector an experimental setting.

Telegram/SourceFiles/core/sandbox.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/timer.h"
 #include "base/concurrent_timer.h"
 #include "base/invoke_queued.h"
+#include "base/options.h"
 #include "base/qthelp_url.h"
 #include "base/qthelp_regex.h"
 #include "ui/ui_utility.h"
@@ -35,6 +36,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtGui/qpa/qplatformscreen.h>
 
 namespace Core {
+namespace {
+
+base::options::toggle OptionDeadlockDetector({
+	.id = kOptionDeadlockDetector,
+	.name = "Deadlock Detector",
+	.description = "Check once every 30 seconds that main thread is still responsive.",
+	.restartRequired = true,
+});
+
+} // namespace
+
+const char kOptionDeadlockDetector[] = "deadlock-detector";
 
 bool Sandbox::QuitOnStartRequested = false;
 
@@ -149,12 +162,10 @@ void Sandbox::launchApplication() {
 		}
 		setupScreenScale();
 
-#ifndef _DEBUG
+		if (OptionDeadlockDetector.value()) {
-		if (Logs::DebugEnabled()) {
 			using DeadlockDetector::PingThread;
 			_deadlockDetector = std::make_unique<PingThread>(this);
 		}
-#endif // !_DEBUG
 
 		_application = std::make_unique<Application>();
 

Telegram/SourceFiles/core/sandbox.h

@@ -18,6 +18,8 @@ class QLockFile;
 
 namespace Core {
 
+extern const char kOptionDeadlockDetector[];
+
 class UpdateChecker;
 class Application;
 

Telegram/SourceFiles/settings/settings_experimental.cpp

@@ -21,6 +21,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/moderate_messages_box.h"
 #include "core/application.h"
 #include "core/launcher.h"
+#include "core/sandbox.h"
 #include "chat_helpers/tabbed_panel.h"
 #include "dialogs/dialogs_widget.h"
 #include "history/history_item_components.h"
@@ -163,6 +164,7 @@ void SetupExperimental(
 	addToggle(Window::Notifications::kOptionGNotification);
 	addToggle(Core::kOptionFreeType);
 	addToggle(Core::kOptionSkipUrlSchemeRegister);
+	addToggle(Core::kOptionDeadlockDetector);
 	addToggle(Data::kOptionExternalVideoPlayer);
 	addToggle(Window::kOptionNewWindowsSizeAsFirst);
 	addToggle(MTP::details::kOptionPreferIPv6);

Telegram/SourceFiles/window/main_window.cpp

@@ -71,7 +71,7 @@ using Core::WindowPosition;
 
 base::options::toggle OptionNewWindowsSizeAsFirst({
 	.id = kOptionNewWindowsSizeAsFirst,
-	.name = "Adjust size of new chat windows.",
+	.name = "Adjust size of new chat windows",
 	.description = "Open new windows with a size of the main window.",
 });