fix: Crashes in non-main threads causing freezes

main/gui/source/crash_handlers.cpp

@@ -84,6 +84,9 @@ namespace hex::crash {
                 triggerSafeShutdown(signalNumber);
             });
 
+            // Terminate this thread
+            pthread_kill(pthread_self(), SIGABRT);
+
             while (true) {
                 std::this_thread::sleep_for(std::chrono::milliseconds(100));
             }
@@ -123,12 +126,7 @@ namespace hex::crash {
         #endif
     }
 
-    static std::atomic_bool s_terminationStarted;
-
     void handleCrash(const std::string &msg) {
-        if (s_terminationStarted.exchange(true))
-            return;
-
         // Call the crash callback
         crashCallback(msg);
 
@@ -146,9 +144,6 @@ namespace hex::crash {
 
     // Custom signal handler to print various information and a stacktrace when the application crashes
     static void signalHandler(int signalNumber, const std::string &signalName) {
-        if (s_terminationStarted.exchange(true))
-            return;
-
         #if !defined (DEBUG)
             if (signalNumber == SIGINT) {
                 ImHexApi::System::closeImHex();
@@ -171,9 +166,6 @@ namespace hex::crash {
     }
 
     static void uncaughtExceptionHandler() {
-        if (s_terminationStarted.exchange(true))
-            return;
-
         // Reset crash handlers, so we can't have a recursion if this code crashes
         resetCrashHandlers();