00001 // @HEADER 00002 // *********************************************************************** 00003 // 00004 // Teuchos: Common Tools Package 00005 // Copyright (2004) Sandia Corporation 00006 // 00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00008 // license for use of this work by or on behalf of the U.S. Government. 00009 // 00010 // This library is free software; you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as 00012 // published by the Free Software Foundation; either version 2.1 of the 00013 // License, or (at your option) any later version. 00014 // 00015 // This library is distributed in the hope that it will be useful, but 00016 // WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 // Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public 00021 // License along with this library; if not, write to the Free Software 00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00023 // USA 00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 00025 // 00026 // *********************************************************************** 00027 // @HEADER 00028 00029 #ifndef TEUCHOS_MPISESSION_H 00030 #define TEUCHOS_MPISESSION_H 00031 00036 #include "Teuchos_ConfigDefs.hpp" 00037 00038 #ifdef HAVE_MPI 00039 #include "mpi.h" 00040 #endif 00041 00042 namespace Teuchos 00043 { 00048 class MPISession 00049 { 00050 public: 00052 static void init(int* argc, void*** argv); 00053 00055 static int getRank() {return rank_;} 00056 00058 static int getNProc() {return nProc_;} 00059 00061 static void finalize(); 00062 00065 static bool& showStartupMessage() {static bool rtn=false; return rtn;} 00066 00067 private: 00068 00069 static int rank_; 00070 static int nProc_; 00071 }; 00072 } 00073 00074 #endif