fix: implement forced exit on shutdown and enhance shutdown handling

src/core/interface/gui.py

@@ -725,6 +725,8 @@ class MainWindow(QtWidgets.QMainWindow, QWidget):
     def closeEvent(self, event: QCloseEvent):
         closehelper()
         event.accept()
+        from core.utils.general.shutdown import force_exit
+        force_exit()
 
     def eventFilter(self, obj, event):
         try:

src/core/network/libtorrent_int.py

@@ -6,6 +6,7 @@ import threading
 import libtorrent as lt
 from core.utils.data.state import state
 from core.utils.logging.logs import consoleLog
+from core.utils.general.shutdown import shutdown_event
 
 
 global loop_running
@@ -116,9 +117,12 @@ def dl_status_loop():
         loop_running = False
         return
     
-    while state.active_downloads:
+    while state.active_downloads and not shutdown_event.is_set():
         for magnet_uri, magnetdl in list(state.active_downloads.items()):
-            status = magnetdl.status()
+            try:
+                status = magnetdl.status()
+            except RuntimeError:
+                continue
             
             if status.state == lt.torrent_status.seeding and magnet_uri not in completed_set:
                 consoleLog(f"Download completed: {status.name}")

src/core/utils/general/shutdown.py

@@ -1,9 +1,10 @@
 import threading
-from core.network.libtorrent_misc import cleanup_session
-from core.utils.general.wrappers import run_thread
+import os
 
 shutdown_event = threading.Event()
 
 def closehelper():
-    run_thread(threading.Thread(target=cleanup_session))
     shutdown_event.set()
+
+def force_exit():
+    os._exit(0)

src/main.py

@@ -33,7 +33,8 @@ def run_gui():
 
 def keyboardinterrupthandler(signum, frame):
     closehelper()
-    windowCloseHelper()
+    from core.utils.general.shutdown import force_exit
+    force_exit()
 
 def main():
     start_time = time.perf_counter()