Bug #7: Better breakpoints.
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006,2007 INRIA, INESC Porto
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
* Author: Gustavo Carneiro <gjc@inescporto.pt>
*/
#include "breakpoint.h"
#include "ns3/core-config.h"
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
namespace ns3 {
#ifdef HAVE_SIGNAL_H
void
Breakpoint (void)
{
raise (SIGTRAP);
}
#else
void
Breakpoint (void)
{
int *a = 0;
/**
* we test here to allow a debugger to change the value of
* the variable 'a' to allow the debugger to avoid the
* subsequent segfault.
*/
if (a == 0)
{
*a = 0;
}
}
#endif // HAVE_SIGNAL_H
}//namespace ns3