New signal: Engine::on_simulation_start

[simgrid.git] / include / simgrid / s4u / Mutex.hpp

diff --git a/include/simgrid/s4u/Mutex.hpp b/include/simgrid/s4u/Mutex.hpp
index 4f2c486..8418ca9 100644 (file)
--- a/include/simgrid/s4u/Mutex.hpp
+++ b/include/simgrid/s4u/Mutex.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2022. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -29,9 +29,11 @@ namespace s4u {
  * @endrst
  */
 class XBT_PUBLIC Mutex {
+#ifndef DOXYGEN
   friend ConditionVariable;
   friend kernel::activity::MutexImpl;
   friend void kernel::activity::intrusive_ptr_release(kernel::activity::MutexImpl* mutex);
+#endif
 
   kernel::activity::MutexImpl* const pimpl_;
   /* refcounting */