Panzer_PauseToAttach.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//                 Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Roger P. Pawlowski (rppawlo@sandia.gov) and
// Eric C. Cyr (eccyr@sandia.gov)
// ***********************************************************************
// @HEADER

#ifndef PANZER_PAUSE_TO_ATTACH
#define PANZER_PAUSE_TO_ATTACH

#include "Teuchos_RCP.hpp"
#include "Teuchos_DefaultMpiComm.hpp"
#include "Teuchos_FancyOStream.hpp"

#include <iostream>

#include <sys/types.h>
#include <unistd.h>

namespace panzer {
  
  inline void pauseToAttach(MPI_Comm mpicomm)
  {
    Teuchos::RCP<Teuchos::Comm<int> > comm = 
      Teuchos::createMpiComm<int>(Teuchos::rcp(new Teuchos::OpaqueWrapper<MPI_Comm>(mpicomm)));
    Teuchos::FancyOStream out(Teuchos::rcpFromRef(std::cout));
    out.setShowProcRank(true);
    out.setOutputToRootOnly(-1);
    
    comm->barrier();

    // try to get them to print out all at once
    out << "PID = " << getpid() << std::endl;

    if (comm->getRank() == 0)
      getchar();
    comm->barrier();
  }

  inline void pauseToAttach()
  {
    pauseToAttach(MPI_COMM_WORLD);
  }

  
}

#endif