X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/237fd22b56db7d1c67360c37559ce3aab16a002d..ea74f5d95928a521a588737e81f1de94eef25d19:/src/smpi/internals/smpi_deployment.cpp

diff --git a/src/smpi/internals/smpi_deployment.cpp b/src/smpi/internals/smpi_deployment.cpp
index a9d4450b5f..ff50710791 100644
--- a/src/smpi/internals/smpi_deployment.cpp
+++ b/src/smpi/internals/smpi_deployment.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004-2021. The SimGrid Team.
+/* Copyright (c) 2004-2022. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,6 +7,7 @@
 #include "smpi_host.hpp"
 #include "private.hpp"
 #include "simgrid/s4u/Engine.hpp"
+#include "simgrid/s4u/Barrier.hpp"
 #include "smpi_comm.hpp"
 #include <map>
 
@@ -25,8 +26,9 @@ public:
     auto* group = new simgrid::smpi::Group(size_);
     comm_world_ = new simgrid::smpi::Comm(group, nullptr, false, -1);
     universe_size += max_no_processes;
+    bar_ = std::make_shared<s4u::Barrier>(size_);
   }
-
+  std::shared_ptr<s4u::Barrier> bar_;
   unsigned int size_;
   unsigned int finalized_ranks_ = 0;
   MPI_Comm comm_world_;
@@ -65,6 +67,12 @@ void smpi_deployment_register_process(const std::string& instance_id, int rank,
   instance.comm_world_->group()->set_mapping(actor->get_pid(), rank);
 }
 
+void smpi_deployment_startup_barrier(const std::string& instance_id)
+{
+  const Instance& instance = smpi_instances.at(instance_id);
+  instance.bar_->wait();
+}
+
 void smpi_deployment_unregister_process(const std::string& instance_id)
 {
   Instance& instance = smpi_instances.at(instance_id);