From b812cc19a9f7e20b322ac365cfa1cf9f65c7bfb3 Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Fri, 21 Nov 2014 15:46:50 -0800
Subject: [PATCH] GUAC-865: Establish lock before sending size update.

---
 src/protocols/rdp/guac_handlers.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/protocols/rdp/guac_handlers.c b/src/protocols/rdp/guac_handlers.c
index 0e5b219a..99dafd0d 100644
--- a/src/protocols/rdp/guac_handlers.c
+++ b/src/protocols/rdp/guac_handlers.c
@@ -469,7 +469,9 @@ int rdp_guac_client_size_handler(guac_client* client, int width, int height) {
     freerdp* rdp_inst = guac_client_data->rdp_inst;
 
     /* Send display update */
+    pthread_mutex_lock(&(guac_client_data->rdp_lock));
     guac_rdp_disp_send_size(rdp_inst->context, width, height);
+    pthread_mutex_unlock(&(guac_client_data->rdp_lock));
 #endif
 
     return 0;