00001 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ 00002 /* 00003 * Copyright (c) 2006,2007 INRIA, INESC Porto 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License version 2 as 00007 * published by the Free Software Foundation; 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> 00019 * Author: Gustavo Carneiro <gjc@inescporto.pt> 00020 */ 00021 00022 #include "breakpoint.h" 00023 #include "ns3/core-config.h" 00024 #ifdef HAVE_SIGNAL_H 00025 # include <signal.h> 00026 #endif 00027 00028 namespace ns3 { 00029 00030 #if defined (HAVE_SIGNAL_H) && defined (SIGTRAP) 00031 00032 void 00033 BreakpointFallback (void) 00034 { 00035 raise (SIGTRAP); 00036 } 00037 00038 #else 00039 00040 void 00041 BreakpointFallback (void) 00042 { 00043 int *a = 0; 00044 /** 00045 * we test here to allow a debugger to change the value of 00046 * the variable 'a' to allow the debugger to avoid the 00047 * subsequent segfault. 00048 */ 00049 if (a == 0) 00050 { 00051 *a = 0; 00052 } 00053 } 00054 00055 #endif // HAVE_SIGNAL_H 00056 00057 }//namespace ns3