fenix_exceptions.cpp

/*
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// Copyright (C) 2016 Rutgers University and Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
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// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// documentation and/or other materials provided with the distribution.
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// 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.
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// 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
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author Marc Gamell, Eric Valenzuela, Keita Teranishi, Manish Parashar,
//        Michael Heroux, and Matthew Whitlock
//
// Questions? Contact Keita Teranishi (knteran@sandia.gov) and
//                    Marc Gamell (mgamell@cac.rutgers.edu)
//
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#include <mpi.h>

#include <fenix.h>
#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
#include <pthread.h>

int main(int argc, char **argv) {
  volatile int status = 0;

  MPI_Init(&argc, &argv);
  
  int fenix_role, error;
  MPI_Comm res_comm;
  MPI_Info info;
  MPI_Info_create(&info);
  MPI_Info_set(info, "FENIX_RESUME_MODE", "NO_JUMP");
  MPI_Info_set(info, "FENIX_UNHANDLED_MODE", "NO_JUMP");
  Fenix_Init(&fenix_role, MPI_COMM_WORLD, &res_comm, &argc, &argv, 0, 0, info, &error);
  
  Fenix::register_exception_callback();

  if(fenix_role == FENIX_ROLE_SURVIVOR_RANK){
    printf("FAILURE: longjmp instead of exception\n");
    status = 1;
  }

  if (fenix_role == FENIX_ROLE_INITIAL_RANK) {
    int rank;
    MPI_Comm_rank(res_comm, &rank);
    if(rank == 1) raise(SIGKILL);

    try {
      MPI_Barrier(res_comm);
      printf("FAILURE: barrier finished without fault\n");
      status = 1;
    } catch (Fenix::CommException e){
      printf("SUCCESS: caught CommException\n");
    }
  }

  Fenix_Finalize();
  MPI_Finalize();

  return status;
}