Move LockAnnotation from threadsafety.h (imported code) to sync.h (our code)

1 files changed, 11 insertions, 0 deletions

diff --git a/src/sync.h b/src/sync.h
index 2667fb52f..a4c22f67c 100644
--- a/src/sync.h
+++ b/src/sync.h
@@ -304,4 +304,15 @@ public:
     }
 };
 
+// Utility class for indicating to compiler thread analysis that a mutex is
+// locked (when it couldn't be determined otherwise).
+struct SCOPED_LOCKABLE LockAnnotation
+{
+    template <typename Mutex>
+    explicit LockAnnotation(Mutex& mutex) EXCLUSIVE_LOCK_FUNCTION(mutex)
+    {
+    }
+    ~LockAnnotation() UNLOCK_FUNCTION() {}
+};
+
 #endif // BITCOIN_SYNC_H