[s4u] add condition variables

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

diff --git a/include/simgrid/s4u/mutex.hpp b/include/simgrid/s4u/mutex.hpp
index 201f0710a987c0790fe36b735f684d1992d606b2..75b7d09c030b579fc11086e4ffc6e484d46e6bd0 100644 (file)
--- a/include/simgrid/s4u/mutex.hpp
+++ b/include/simgrid/s4u/mutex.hpp
@@ -11,12 +11,14 @@
 #include <boost/intrusive_ptr.hpp>
 #include <xbt/base.h>
 #include "simgrid/simix.h"
+#include <simgrid/s4u/conditionVariable.hpp>
 
 namespace simgrid {
 namespace s4u {
 
+class ConditionVariable;
 XBT_PUBLIC_CLASS Mutex {
-
+friend ConditionVariable;
 public:
   Mutex() :
     mutex_(simcall_mutex_init()) {}