Added the signal handling - see eoCtrlCContinue.h

I've disabled it in case of MSC as I don't know if this works there ... Also added a couple of "virtual" in the ga dir
2001-04-04 03:47:33 +00:00 · 2001-04-04 03:47:33 +00:00 · ddc6650ce5
commit ddc6650ce5
parent 4cb797544a
8 changed files with 180 additions and 265 deletions
--- a/eo/src/eoCtrlCContinue.h
+++ b/eo/src/eoCtrlCContinue.h
@ -0,0 +1,92 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+ 
+//-----------------------------------------------------------------------------
+// eoCtrlCContinue.h
+// (c) EEAAX 1996 - GeNeura Team, 1998 - Maarten Keijzer 2000 
+/*
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+ 
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+ 
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ 
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+             Marc.Schoenauer@polytechnique.fr
+             mak@dhi.dk
+*/
+//-----------------------------------------------------------------------------
+#ifndef eoCtrlCContinue_h
+#define eoCtrlCContinue_h
+
+#include <signal.h>
+#include <eoContinue.h>
+
+// --- Global variables - but don't know what else to do - MS ---
+static bool     arret_demande = false;
+static bool     existCtrlCContinue = false;
+
+//
+// The signal handler - installed in the eoCtrlCContinue Ctor
+//
+void signal_handler( int sig )
+// ---------------------------
+{
+    // --- On veut la paix, jusqu'a la fin ---
+    signal( SIGINT, SIG_IGN );
+    signal( SIGQUIT, SIG_IGN );
+    cerr << "Ctrl C entered ... closing down" << endl ;
+    arret_demande = true;
+}
+
+//
+// Permet de savoir si on a appuye sur Control-C
+// (renvoie alors 1)
+//
+int AppliArretDemande()
+// --------------------
+{
+    return arret_demande;
+}
+
+
+
+/**
+    Ctrl C handling: this eoContinue tells whether the user pressed Ctrl C
+*/
+template< class EOT>
+class eoCtrlCContinue: public eoContinue<EOT>
+{
+public:
+ 
+  /// Ctor : installs the signal handler
+  eoCtrlCContinue() 
+  {
+    // First checks that no other eoCtrlCContinue does exist
+    if (existCtrlCContinue)
+      throw runtime_error("A signal handler for Ctrl C is already defined!\n");
+    signal( SIGINT, signal_handler );
+    signal( SIGQUIT, signal_handler );
+    existCtrlCContinue = true;
+  }
+ 
+  /** Returns false when Ctrl C has been typed in
+         * reached */
+  virtual bool operator() ( const eoPop<EOT>& _vEO ) 
+  {
+    if (arret_demande)
+      return false;
+    return true;
+  }
+
+};
+
+
+#endif