Remove session socket on error signal

src/main.cc

@@ -203,6 +203,8 @@ void signal_handler(int signal)
         case SIGTERM: text = "SIGTERM"; break;
     }
     on_assert_failed(text);
+    if (Server::has_instance())
+        Server::instance().close_session();
     abort();
 }
 

src/remote.cc

@@ -541,10 +541,16 @@ Server::Server(String session_name)
     m_listener.reset(new FDWatcher{listen_sock, accepter});
 }
 
-Server::~Server()
+void Server::close_session()
 {
     unlink(("/tmp/kak-" + m_session).c_str());
     close(m_listener->fd());
+    m_listener.reset();
+}
+
+Server::~Server()
+{
+    close_session();
 }
 
 }

src/remote.hh

@@ -36,6 +36,8 @@ struct Server : public Singleton<Server>
     ~Server();
     const String& session() const { return m_session; }
 
+    void close_session();
+
 private:
     String m_session;
     std::unique_ptr<FDWatcher> m_listener;