Handle exceptions in readAlerts()

src/qtlibtorrent/qbtsession.cpp

@@ -2159,6 +2159,7 @@ void QBtSession::readAlerts() {
   // look at session alerts and display some infos
   std::auto_ptr<alert> a = s->pop_alert();
   while (a.get()) {
+    try {
       if (torrent_finished_alert* p = dynamic_cast<torrent_finished_alert*>(a.get())) {
         QTorrentHandle h(p->handle);
         if (h.is_valid()) {
@@ -2541,6 +2542,10 @@ void QBtSession::readAlerts() {
           }
         }
       }
+    } catch (const std::exception& e) {
+      qWarning() << "Caught exception in readAlerts(): " << e.what();
+    }
+
     a = s->pop_alert();
   }
 }