1 files changed, 2 insertions, 0 deletions
diff --git a/indra/llcommon/llcoros.h b/indra/llcommon/llcoros.h
index b7ca1af109..0291d7f1d9 100644
--- a/indra/llcommon/llcoros.h
+++ b/indra/llcommon/llcoros.h
@@ -320,6 +320,8 @@ public:
 
     // use mutex, lock, condition_variable suitable for coroutines
     using Mutex = llcoro::Mutex;
+    using RMutex = llcoro::RMutex;
+    // LockType is deprecated; see llcoromutex.h
     using LockType = llcoro::LockType;
     using cv_status = llcoro::cv_status;
     using ConditionVariable = llcoro::ConditionVariable;