X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a00610e05eab122e23f56b589d5bb240e6ceda7..d1ce25d36729721b7d7eed0fa4425e401db8a092:/src/kernel/activity/ActivityImpl.hpp

diff --git a/src/kernel/activity/ActivityImpl.hpp b/src/kernel/activity/ActivityImpl.hpp
index 94b85900e8..1496c41717 100644
--- a/src/kernel/activity/ActivityImpl.hpp
+++ b/src/kernel/activity/ActivityImpl.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2016. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2017. 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. */
@@ -12,6 +12,7 @@
 #include <xbt/base.h>
 #include "simgrid/forward.h"
 
+#include <atomic>
 #include <simgrid/simix.hpp>
 
 namespace simgrid {
@@ -30,10 +31,17 @@ namespace activity {
     virtual void resume()=0;
     virtual void post() =0; // What to do when a simcall terminates
 
+    /** @brief Increases the refcount */
     void ref();
+    /** @brief Reduces the refcount */
     void unref();
+
+     // boost::intrusive_ptr<Activity> support:
+    friend void intrusive_ptr_add_ref(ActivityImpl * activity);
+    friend void intrusive_ptr_release(ActivityImpl * activity);
+
   private:
-    int refcount = 1;
+    std::atomic_int_fast32_t refcount_{1};
   };
 }}} // namespace simgrid::kernel::activity