callstack.cpp

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// This file is part of HermesCommon
//
// Copyright (c) 2009 hp-FEM group at the University of Nevada, Reno (UNR).
// Email: hpfem-group@unr.edu, home page: http://www.hpfem.org/.
//
// Hermes2D is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the License,
// or (at your option) any later version.
//
// Hermes2D is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Hermes2D; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#include "callstack.h"
#include <signal.h>
#include <stdlib.h>

// Basically GNU stuff
#ifdef EXECINFO_FOUND
#include <execinfo.h>
void handler(int sig)
{
  void *array[20];
  size_t size;

  // get void*'s for all entries on the stack
  size = backtrace(array, 20);

  // print out all the frames to stderr
  printf("Error: signal %d:\n", sig);
  backtrace_symbols_fd(array, size, 2);
  exit(1);
}
#endif