ext/kgio/accept.c in kgio-2.11.3 vs ext/kgio/accept.c in kgio-2.11.4

@@ -496,12 +496,15 @@
 	 * disable close-on-exec for accepted sockets.
 	 */
 	rb_define_const(mKgio, "SOCK_CLOEXEC", INT2NUM(SOCK_CLOEXEC));
 
 	localhost = rb_const_get(mKgio, rb_intern("LOCALHOST"));
+	rb_gc_register_mark_object(localhost);
 	cKgio_Socket = rb_const_get(mKgio, rb_intern("Socket"));
+	rb_gc_register_mark_object(cKgio_Socket);
 	cClientSocket = cKgio_Socket;
 	mSocketMethods = rb_const_get(mKgio, rb_intern("SocketMethods"));
+	rb_gc_register_mark_object(mSocketMethods);
 
 	rb_define_method(mSocketMethods, "kgio_addr!", addr_bang, 0);
 
 	rb_define_singleton_method(mKgio, "accept_cloexec?", get_cloexec, 0);
 	rb_define_singleton_method(mKgio, "accept_cloexec=", set_cloexec, 1);