ev: remove any watchers on close

Author: dlundquist

lib/event-libs/libev/libev.c

@@ -94,6 +94,7 @@ lws_accept_cb(struct ev_loop *loop, struct ev_io *watcher, int revents)
 	struct lws_context_per_thread *pt;
 	struct lws_pollfd eventfd;
 	struct lws *wsi;
+	int tsi = 0;
 
 	if (revents & EV_ERROR)
 		return;
@@ -112,10 +113,12 @@ lws_accept_cb(struct ev_loop *loop, struct ev_io *watcher, int revents)
 	}
 
 	wsi = wsi_from_fd(context, watcher->fd);
-	pt = &context->pt[(int)wsi->tsi];
+	if (wsi)
+		tsi = (int)wsi->tsi;
+	pt = &context->pt[tsi];
 	ptpr = pt_to_priv_ev(pt);
 
-	lws_service_fd_tsi(context, &eventfd, (int)wsi->tsi);
+	lws_service_fd_tsi(context, &eventfd, tsi);
 
 	ev_idle_start(ptpr->io_loop, &ptpr->idle);
 }
@@ -413,14 +416,22 @@ elops_destroy_wsi_ev(struct lws *wsi)
 	ev_io_stop(ptpr->io_loop, &w->w_write.watcher);
 }
 
+static int
+elops_wsi_logical_close_ev(struct lws *wsi)
+{
+        elops_destroy_wsi_ev(wsi);
+
+        return 0;
+}
+
 static const struct lws_event_loop_ops event_loop_ops_ev = {
 	/* name */			"libev",
 	/* init_context */		elops_init_context_ev,
 	/* destroy_context1 */		NULL,
 	/* destroy_context2 */		elops_destroy_context2_ev,
 	/* init_vhost_listen_wsi */	elops_init_vhost_listen_wsi_ev,
 	/* init_pt */			elops_init_pt_ev,
-	/* wsi_logical_close */		NULL,
+	/* wsi_logical_close */		elops_wsi_logical_close_ev,
 	/* check_client_connect_ok */	NULL,
 	/* close_handle_manually */	NULL,
 	/* accept */			elops_accept_ev,