convert between Fortran and C MPI_*_NULL handles

[simgrid.git] / src / smpi / bindings / smpi_pmpi_request.cpp

diff --git a/src/smpi/bindings/smpi_pmpi_request.cpp b/src/smpi/bindings/smpi_pmpi_request.cpp
index 5d36e12..5090682 100644 (file)
--- a/src/smpi/bindings/smpi_pmpi_request.cpp
+++ b/src/smpi/bindings/smpi_pmpi_request.cpp
@@ -843,9 +843,13 @@ int PMPI_Request_get_status( MPI_Request request, int *flag, MPI_Status *status)
 }
 
 MPI_Request PMPI_Request_f2c(MPI_Fint request){
+  if(request==-1)
+    return MPI_REQUEST_NULL;
   return static_cast<MPI_Request>(simgrid::smpi::Request::f2c(request));
 }
 
 MPI_Fint PMPI_Request_c2f(MPI_Request request) {
+  if(request==MPI_REQUEST_NULL)
+    return -1;
   return request->c2f();
 }