From 279a776d7818c62509011ad7f881f4198ee5408f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ricardo=20Gonz=C3=A1lez?= <ricardo@richiware.dev>
Date: Fri, 2 Jul 2021 16:11:04 +0200
Subject: [PATCH] Fix segmentation fault on discovery server (#2033)
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Signed-off-by: Ricardo González Moreno <ricardo@richiware.dev>
---
 .../builtin/discovery/participant/timedevent/DSClientEvent.cpp   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cpp/rtps/builtin/discovery/participant/timedevent/DSClientEvent.cpp b/src/cpp/rtps/builtin/discovery/participant/timedevent/DSClientEvent.cpp
index dc04b154cd8..8310e1005fe 100644
--- a/src/cpp/rtps/builtin/discovery/participant/timedevent/DSClientEvent.cpp
+++ b/src/cpp/rtps/builtin/discovery/participant/timedevent/DSClientEvent.cpp
@@ -58,6 +58,7 @@ bool DSClientEvent::event()
 
     // Iterate over remote servers to check for new unmatched servers
     ParticipantProxyData* part_proxy_data;
+    std::unique_lock<std::recursive_mutex> lock(*mp_PDP->getMutex());
     for (auto server: mp_PDP->remote_server_attributes())
     {
         // Get the participant proxy data of the server