73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/*
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* Copyright (c) 2006,2007 INRIA, INESC Porto
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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* Author: Gustavo Carneiro <gjc@inescporto.pt>
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*/
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#include "breakpoint.h"
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#include "log.h"
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#include "ns3/core-config.h"
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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namespace ns3
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{
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/**
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* \file
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* \ingroup breakpoint
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* ns3::BreakpointFallback function implementation.
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*/
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NS_LOG_COMPONENT_DEFINE("Breakpoint");
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#if defined(HAVE_SIGNAL_H) && defined(SIGTRAP)
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void
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BreakpointFallback()
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{
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NS_LOG_FUNCTION_NOARGS();
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raise(SIGTRAP);
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}
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#else
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void
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BreakpointFallback()
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{
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NS_LOG_FUNCTION_NOARGS();
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int* a = nullptr;
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/**
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* we test here to allow a debugger to change the value of
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* the variable 'a' to allow the debugger to avoid the
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* subsequent segfault.
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*/
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if (a == nullptr)
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{
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*a = 0;
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}
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}
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#endif // HAVE_SIGNAL_H
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} // namespace ns3
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