[s4u] add condition variables

[simgrid.git] / src / simix / smx_synchro.cpp

diff --git a/src/simix/smx_synchro.cpp b/src/simix/smx_synchro.cpp
index 3817b17..c8ec7fe 100644 (file)
--- a/src/simix/smx_synchro.cpp
+++ b/src/simix/smx_synchro.cpp
@@ -241,7 +241,6 @@ smx_cond_t SIMIX_cond_init(void)
   cond->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
   cond->mutex = nullptr;
   cond->refcount_ = 1;
-  intrusive_ptr_add_ref(cond);
   XBT_OUT();
   return cond;
 }
@@ -352,12 +351,13 @@ void SIMIX_cond_broadcast(smx_cond_t cond)
   XBT_OUT();
 }
 
-/**
- * \brief Destroys a condition.
- *
- * Destroys and frees the condition's memory. 
- * \param cond A condition
- */
+smx_cond_t SIMIX_cond_ref(smx_cond_t cond)
+{
+  if (cond != nullptr)
+    intrusive_ptr_add_ref(cond);
+  return cond;
+}
+
 void SIMIX_cond_unref(smx_cond_t cond)
 {
   XBT_IN("(%p)",cond);