diff --git a/include/boost/fiber/fiber.hpp b/include/boost/fiber/fiber.hpp
index 5a4e0ad3..c4f78635 100644
--- a/include/boost/fiber/fiber.hpp
+++ b/include/boost/fiber/fiber.hpp
@@ -116,6 +116,12 @@ public:
         return impl_ ? impl_->get_id() : id();
     }
 
+    void detach() noexcept;
+
+    void join();
+
+    void interrupt() noexcept;
+
     template <class PROPS>
     PROPS& properties()
     {