X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/76330c6c2b3568705412619890a6fddb344e560d..1b98995f4b33aa88c1ae66e20fe3669c2b2dfabf:/src/mc/Session.cpp

diff --git a/src/mc/Session.cpp b/src/mc/Session.cpp
index 5d00dbc95c..a5721e3e46 100644
--- a/src/mc/Session.cpp
+++ b/src/mc/Session.cpp
@@ -76,10 +76,11 @@ Session::Session(const std::function<void()>& code)
   // Parent (model-checker):
   ::close(sockets[0]);
 
+  xbt_assert(mc_model_checker == nullptr, "Did you manage to start the MC twice in this process?");
+
   std::unique_ptr<simgrid::mc::RemoteClient> process(new simgrid::mc::RemoteClient(pid, sockets[1]));
   model_checker_.reset(new simgrid::mc::ModelChecker(std::move(process)));
 
-  xbt_assert(mc_model_checker == nullptr);
   mc_model_checker = model_checker_.get();
   mc_model_checker->start();
 }