| 1 | /*
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| 2 | * vmg - a versatile multigrid solver
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| 3 | * Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
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| 4 | *
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| 5 | * vmg is free software: you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation, either version 3 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * vmg is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 |
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| 19 | /**
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| 20 | * @file error_handler.cpp
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| 21 | * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
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| 22 | * @date Mon Nov 21 13:27:22 2011
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| 23 | *
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| 24 | * @brief Convert MPI errors to C++ exceptions. Used to be
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| 25 | * able to call a debugger when MPI crashes
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| 26 | * internally.
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| 27 | *
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| 28 | */
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| 29 |
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| 30 | #ifdef HAVE_CONFIG_H
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| 31 | #include <libvmg_config.h>
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| 32 | #endif
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| 33 |
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| 34 | #ifdef DEBUG
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| 35 |
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| 36 | #ifdef HAVE_MPI
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| 37 |
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| 38 | #include <mpi.h>
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| 39 | #ifdef HAVE_MARMOT
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| 40 | #include <enhancempicalls.h>
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| 41 | #include <sourceinfompicalls.h>
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| 42 | #endif
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| 43 |
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| 44 | #include <sstream>
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| 45 |
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| 46 | #include "comm/mpi/error_handler.hpp"
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| 47 |
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| 48 | void VMG::MPI::ConvertToException(MPI_Comm* comm, int* err, ...)
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| 49 | {
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| 50 | int rank;
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| 51 | char error_string[MPI_MAX_ERROR_STRING+1], comm_name[MPI_MAX_OBJECT_NAME+1];
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| 52 | int error_len, comm_name_len;
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| 53 |
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| 54 | MPI_Comm_rank(*comm, &rank);
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| 55 | MPI_Error_string(*err, error_string, &error_len);
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| 56 | MPI_Comm_get_name(*comm, comm_name, &comm_name_len);
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| 57 |
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| 58 | std::stringstream error_concat;
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| 59 | error_concat << "vmg: Rank " << rank << " on communicator \"" << comm_name << "\": " << error_string;
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| 60 |
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| 61 | throw Exception(error_concat.str().c_str());
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| 62 | }
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| 63 |
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| 64 | #endif /* DEBUG */
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| 65 |
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| 66 | #endif /* HAVE_MPI */
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