[SMPI] Request: Be more verbose when wrong refcount occurs

[simgrid.git] / src / smpi / mpi / smpi_request.cpp

diff --git a/src/smpi/mpi/smpi_request.cpp b/src/smpi/mpi/smpi_request.cpp
index 07b5e95..180d9fd 100644 (file)
--- a/src/smpi/mpi/smpi_request.cpp
+++ b/src/smpi/mpi/smpi_request.cpp
@@ -107,7 +107,10 @@ void Request::unref(MPI_Request* request)
 {
   if((*request) != MPI_REQUEST_NULL){
     (*request)->refcount_--;
-    if((*request)->refcount_<0) xbt_die("wrong refcount");
+    if((*request)->refcount_ < 0) {
+      (*request)->print_request("wrong refcount");
+      xbt_die("Whoops, wrong refcount");
+    }
     if((*request)->refcount_==0){
         Datatype::unref((*request)->old_type_);
         Comm::unref((*request)->comm_);