Refs #21189. Fix long-standing deadlock in WLP.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>
eProsima · Jul 3, 2024 · 95865e4 · 95865e4
1 parent 422e845
commit 95865e4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/cpp/rtps/builtin/liveliness/WLP.cpp b/src/cpp/rtps/builtin/liveliness/WLP.cpp
@@ -865,10 +865,11 @@ bool WLP::remove_local_reader(
 
 bool WLP::automatic_liveliness_assertion()
 {
-    std::lock_guard<std::recursive_mutex> guard(*mp_builtinProtocols->mp_PDP->getMutex());
+    std::unique_lock<std::recursive_mutex> lock(*mp_builtinProtocols->mp_PDP->getMutex());
 
     if (0 < automatic_writers_.size())
     {
+        lock.unlock();
         return send_liveliness_message(automatic_instance_handle_);
     }