added setting to restart on SIGSEGV

src/RunGui.cpp

@@ -4,11 +4,14 @@
 #include <QFile>
 #include <QPalette>
 #include <QStyleFactory>
+#include <Qt>
+#include <csignal>
 
 #include "Application.hpp"
 #include "common/NetworkManager.hpp"
 #include "singletons/Paths.hpp"
 #include "singletons/Resources.hpp"
+#include "singletons/Settings.hpp"
 #include "singletons/Updates.hpp"
 #include "util/CombinePath.hpp"
 #include "widgets/dialogs/LastRunCrashDialog.hpp"
@@ -21,12 +24,6 @@
 #    include <QBreakpadHandler.h>
 #endif
 
-// void initQt();
-// void installCustomPalette();
-// void showLastCrashDialog();
-// void createRunningFile(const QString &path);
-// void removeRunningFile(const QString &path);
-
 namespace chatterino {
 namespace {
     void installCustomPalette()
@@ -109,13 +106,50 @@ namespace {
     {
         QFile::remove(path);
     }
+
+    std::chrono::steady_clock::time_point signalsInitTime;
+    bool restartOnSignal = false;
+
+    [[noreturn]] void handleSignal(int signum)
+    {
+        using namespace std::chrono_literals;
+
+        //        if (std::chrono::steady_clock::now() - signalsInitTime > 30s)
+        //        {
+        QProcess proc;
+        proc.setProgram(QApplication::applicationFilePath());
+        proc.setArguments({"--crash-recovery"});
+        proc.startDetached();
+
+        //            QProcess::startDetached(QApplication::applicationFilePath(),
+        //                                    {"--crash-recovery"});
+        //        }
+
+        _exit(signum);
+    }
+
+    // We want to restart chatterino when it crashes and the setting is set to
+    // true.
+    void initSignalHandler()
+    {
+        //#if not defined(DEBUG) && not defined(_DEBUG) && not defined(NDEBUG)
+        signalsInitTime = std::chrono::steady_clock::now();
+
+        //        signal(SIGINT, handleSignal);
+        signal(SIGSEGV, handleSignal);
+        //        signal(SIGABRT_COMPAT, handleSignal);
+        //#endif
+    }
 }  // namespace
 
 void runGui(QApplication &a, Paths &paths, Settings &settings)
 {
     initQt();
-
     initResources();
+    initSignalHandler();
+
+    settings.restartOnCrash.connect(
+        [](const bool &value) { restartOnSignal = value; });
 
     auto thread = std::thread([dir = paths.miscDirectory] {
         {