00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 #ifndef G4HadSignalHandler_off 00027 00028 #include "G4HadSignalHandler.hh" 00029 00030 00031 namespace G4HadSignalHandler_local 00032 { 00033 extern "C" 00034 { 00035 void HandleIt(int i); 00036 static void (*G4HadSignalHandler_initial)(int); 00037 } 00038 } 00039 00040 using namespace std; 00041 00042 std::vector<sighandler_t> G4HadSignalHandler::theCache; 00043 bool G4HadSignalHandler::registered = false; 00044 00045 G4HadSignalHandler::G4HadSignalHandler(sighandler_t aNew) 00046 { 00047 if(!registered) 00048 { 00049 G4HadSignalHandler_local::G4HadSignalHandler_initial = 00050 signal(SIGSEGV, G4HadSignalHandler_local::HandleIt); 00051 registered = true; 00052 } 00053 theCache.push_back(aNew); 00054 } 00055 00056 G4HadSignalHandler::~G4HadSignalHandler() 00057 { 00058 theCache.clear(); 00059 signal (SIGSEGV, G4HadSignalHandler_local::G4HadSignalHandler_initial); 00060 registered = false; 00061 } 00062 00063 void G4HadSignalHandler_local::HandleIt(int i) 00064 { 00065 static int iii=G4HadSignalHandler::theCache.size()-1; 00066 for(int c=iii; c!=-1; c--) 00067 { 00068 iii--; 00069 G4HadSignalHandler::theCache[c](i); 00070 } 00071 std::cerr << "callback to user-defined or default signal handler"<<endl; 00072 signal (SIGSEGV, G4HadSignalHandler_local::G4HadSignalHandler_initial); 00073 raise(i); 00074 } 00075 00076 #endif