Actor: make the refcount observable, and improve debug messages

[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 e9a2a49..e0ae66c 100644 (file)
--- a/src/smpi/mpi/smpi_request.cpp
+++ b/src/smpi/mpi/smpi_request.cpp
@@ -398,6 +398,7 @@ void Request::start()
       mut->unlock();
   } else { /* the RECV flag was not set, so this is a send */
     simgrid::smpi::ActorExt* process = smpi_process_remote(simgrid::s4u::Actor::by_pid(dst_));
+    xbt_assert(process, "Actor pid=%d is gone??", dst_);
     int rank = src_;
     if (TRACE_smpi_view_internals()) {
       TRACE_smpi_send(rank, rank, dst_, tag_, size_);