add a refcount for MPI_Op

[simgrid.git] / src / smpi / include / smpi_op.hpp

diff --git a/src/smpi/include/smpi_op.hpp b/src/smpi/include/smpi_op.hpp
index 5354177..c0eb212 100644 (file)
--- a/src/smpi/include/smpi_op.hpp
+++ b/src/smpi/include/smpi_op.hpp
@@ -16,6 +16,7 @@ class Op : public F2C{
   MPI_User_function* func_;
   bool is_commutative_;
   bool is_fortran_op_ = false;
+  int refcount_ = 1;
 
 public:
   Op(MPI_User_function* function, bool commutative) : func_(function), is_commutative_(commutative) {}
@@ -25,6 +26,8 @@ public:
   void set_fortran_op() { is_fortran_op_ = true; }
   void apply(void* invec, void* inoutvec, int* len, MPI_Datatype datatype);
   static Op* f2c(int id);
+  void ref();
+  static void unref(MPI_Op* op);
 };
 
 }