[bos #38048] [EDF] (2023-T3) PARAMEDMEM Ergonomy.

[tools/medcoupling.git] / src / ParaMEDMEM / MPIProcessorGroup.hxx

diff --git a/src/ParaMEDMEM/MPIProcessorGroup.hxx b/src/ParaMEDMEM/MPIProcessorGroup.hxx
index 62c9f438a6dfa9f1885fdbba0b4f7f4951bbadb5..1dd035995c95973fac917ee6c98abd3d5a1c8720 100644 (file)
--- a/src/ParaMEDMEM/MPIProcessorGroup.hxx
+++ b/src/ParaMEDMEM/MPIProcessorGroup.hxx
@@ -1,30 +1,32 @@
-//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2024  CEA, EDF
 //
-//  This library is free software; you can redistribute it and/or
-//  modify it under the terms of the GNU Lesser General Public
-//  License as published by the Free Software Foundation; either
-//  version 2.1 of the License.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
 //
-//  This library is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-//  Lesser General Public License for more details.
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
 //
-//  You should have received a copy of the GNU Lesser General Public
-//  License along with this library; if not, write to the Free Software
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 //
-//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
+
 #ifndef __MPIPROCESSORGROUP_HXX__
 #define __MPIPROCESSORGROUP_HXX__
 
+#include "ProcessorGroup.hxx"
+
 #include <set>
 #include <mpi.h>
 
-namespace ParaMEDMEM
+namespace MEDCoupling
 {
-  class ProcessorGroup;
   class CommInterface;
 
   class MPIProcessorGroup : public ProcessorGroup
@@ -32,12 +34,17 @@ namespace ParaMEDMEM
   public:
     MPIProcessorGroup(const CommInterface& interface);
     MPIProcessorGroup(const CommInterface& interface, std::set<int> proc_ids, const MPI_Comm& world_comm=MPI_COMM_WORLD);
+    MPIProcessorGroup(const CommInterface& interface, std::map<std::string,std::set<int>> proc_ids_by_name, const std::string& simCodeTag, const MPI_Comm& world_comm=MPI_COMM_WORLD);
     MPIProcessorGroup (const ProcessorGroup& proc_group, std::set<int> proc_ids);
-    MPIProcessorGroup(const CommInterface& interface,int pstart, int pend);
+    MPIProcessorGroup(const CommInterface& interface,int pstart, int pend, const MPI_Comm& world_comm=MPI_COMM_WORLD);
+    MPIProcessorGroup(const MPIProcessorGroup& other);
     virtual ~MPIProcessorGroup();
+    void release();
+
+    virtual MPIProcessorGroup *deepCopy() const;
     virtual ProcessorGroup* fuse (const ProcessorGroup&) const;
     void intersect (ProcessorGroup&) { }
-    int myRank() const { int rank; MPI_Comm_rank(_comm,&rank); return rank; }
+    int myRank() const;
     bool containsMyRank() const { int rank; MPI_Group_rank(_group, &rank); return (rank!=MPI_UNDEFINED); }
     int translateRank(const ProcessorGroup* group, int rank) const;
     const MPI_Comm* getComm() const { return &_comm; }
@@ -45,7 +52,9 @@ namespace ParaMEDMEM
     ProcessorGroup* createProcGroup() const;
     MPI_Comm getWorldComm() { return _world_comm; }
   private:
-    const MPI_Comm _world_comm;
+    void updateMPISpecificAttributes();
+  private:
+    const MPI_Comm _world_comm;  // just an observer - current instance is not responsible for the management of this comm
     MPI_Group _group;
     MPI_Comm _comm;
   };