A Discrete-Event Network Simulator
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breakpoint.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2006,2007 INRIA, INESC Porto
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  * Author: Gustavo Carneiro <gjc@inescporto.pt>
20  */
21 
22 #include "breakpoint.h"
23 #include "ns3/core-config.h"
24 #include "log.h"
25 #ifdef HAVE_SIGNAL_H
26 # include <signal.h>
27 #endif
28 
29 NS_LOG_COMPONENT_DEFINE ("Breakpoint");
30 
31 namespace ns3 {
32 
33 #if defined (HAVE_SIGNAL_H) && defined (SIGTRAP)
34 
35 void
36 BreakpointFallback (void)
37 {
38  NS_LOG_FUNCTION_NOARGS ();
39 
40  raise (SIGTRAP);
41 }
42 
43 #else
44 
45 void
46 BreakpointFallback (void)
47 {
48  NS_LOG_FUNCTION (this);
49 
50  int *a = 0;
56  if (a == 0)
57  {
58  *a = 0;
59  }
60 }
61 
62 #endif // HAVE_SIGNAL_H
63 
64 } // namespace ns3