+XBT_PUBLIC void SMPI_app_instance_start(const char* name, std::function<void()> const& code,
+ std::vector<simgrid::s4u::Host*> const& hosts);
+
+/* This version without parameter is nice to use with SMPI_app_instance_start() */
+static void MPI_Init()
+{
+ MPI_Init(nullptr, nullptr);
+}
+
+/* C++ declarations for shared_malloc and default copy buffer callback */