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# eoCtrlCContinue.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 //-----------------------------------------------------------------------------
    00004 // eoCtrlCContinue.h
    00005 // (c) EEAAX 1996 - GeNeura Team, 1998 - Maarten Keijzer 2000
    00006 /*
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Lesser General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Lesser General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Lesser General Public
    00018     License along with this library; if not, write to the Free Software
    00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00020
    00021     Contact: todos@geneura.ugr.es, http://geneura.ugr.es
    00022              Marc.Schoenauer@polytechnique.fr
    00023              mak@dhi.dk
    00024 */
    00025 //-----------------------------------------------------------------------------
    00026 // the same thing can probably be done in MS environement, but I hoave no way
    00027 // to test it so at the moment it is commented out when in MSVC
    00028 #ifndef _MSC_VER
    00029
    00030 #ifndef eoCtrlCContinue_h
    00031 #define eoCtrlCContinue_h
    00032
    00033 #include <signal.h>
    00034 #include <eoContinue.h>
    00035
    00036 extern bool arret_demande, existCtrlCContinue;
    00037
    00038 extern void signal_handler( int sig );
    00039
    00040
    00044 template< class EOT>
    00045 class eoCtrlCContinue: public eoContinue<EOT>
    00046 {
    00047 public:
    00048
    00050   eoCtrlCContinue()
    00051   {
    00052     // First checks that no other eoCtrlCContinue does exist
    00053     if (existCtrlCContinue)
    00054       throw std::runtime_error("A signal handler for Ctrl C is already defined!\n");
    00055     signal( SIGINT, signal_handler );
    00056     signal( SIGQUIT, signal_handler );
    00057     existCtrlCContinue = true;
    00058   }
    00059
    00062   virtual bool operator() ( const eoPop<EOT>& _vEO )
    00063   {
    00064     if (arret_demande)
    00065       return false;
    00066     return true;
    00067   }
    00068
    00069   virtual std::string className(void) const { return "eoCtrlCContinue"; }
    00070 };
    00071
    00072
    00073 #endif
    00074
    00075 #endif
    00076  // of MSVC comment-out