Panzer Version of the Day
Loading...
Searching...
No Matches
Panzer_PauseToAttach.hpp
Go to the documentation of this file.
1// @HEADER
2// ***********************************************************************
3//
4// Panzer: A partial differential equation assembly
5// engine for strongly coupled complex multiphysics systems
6// Copyright (2011) Sandia Corporation
7//
8// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
9// the U.S. Government retains certain rights in this software.
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17//
18// 2. Redistributions in binary form must reproduce the above copyright
19// notice, this list of conditions and the following disclaimer in the
20// documentation and/or other materials provided with the distribution.
21//
22// 3. Neither the name of the Corporation nor the names of the
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
27// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
30// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Questions? Contact Roger P. Pawlowski (rppawlo@sandia.gov) and
39// Eric C. Cyr (eccyr@sandia.gov)
40// ***********************************************************************
41// @HEADER
42
43#ifndef PANZER_PAUSE_TO_ATTACH
44#define PANZER_PAUSE_TO_ATTACH
45
46#include "Teuchos_RCP.hpp"
47#include "Teuchos_DefaultMpiComm.hpp"
48#include "Teuchos_FancyOStream.hpp"
49
50#include <iostream>
51
52#include <sys/types.h>
53#include <unistd.h>
54
55namespace panzer {
56
57 inline void pauseToAttach(MPI_Comm mpicomm)
58 {
59 Teuchos::RCP<Teuchos::Comm<int> > comm =
60 Teuchos::createMpiComm<int>(Teuchos::rcp(new Teuchos::OpaqueWrapper<MPI_Comm>(mpicomm)));
61 Teuchos::FancyOStream out(Teuchos::rcpFromRef(std::cout));
62 out.setShowProcRank(true);
63 out.setOutputToRootOnly(-1);
64
65 comm->barrier();
66
67 // try to get them to print out all at once
68 out << "PID = " << getpid() << std::endl;
69
70 if (comm->getRank() == 0)
71 getchar();
72 comm->barrier();
73 }
74
75 inline void pauseToAttach()
76 {
77 pauseToAttach(MPI_COMM_WORLD);
78 }
79
80
81}
82
83#endif