SMPI: enforce MPI message ordering. Fix #100 (hopefully)

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

diff --git a/src/smpi/include/smpi_request.hpp b/src/smpi/include/smpi_request.hpp
index 1449c54..a91b6ab 100644 (file)
--- a/src/smpi/include/smpi_request.hpp
+++ b/src/smpi/include/smpi_request.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2010-2022. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -48,9 +48,11 @@ class Request : public F2C {
   bool detached_;
   MPI_Request detached_sender_;
   int refcount_;
+  unsigned int message_id_;
   MPI_Op op_;
   std::unique_ptr<smpi_mpi_generalized_request_funcs_t> generalized_funcs;
   std::vector<MPI_Request> nbc_requests_;
+  s4u::Host* src_host_ = nullptr; //!< save simgrid's source host since it can finished before the recv
   static bool match_common(MPI_Request req, MPI_Request sender, MPI_Request receiver);
   static bool match_types(MPI_Datatype stype, MPI_Datatype rtype);