sighndl.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          April 2001
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "basicmod.h"
#include "callback.h"
#include "ptrman.h"
 
namespace DBG { mGlobal(Basic) void forceCrash(bool); }
 
mExpClass(Basic) SignalHandling : public CallBacker
{
public:
 
    static void                 initClass();
 
    enum EvType                 {
                                    ConnClose,
                                    ChldStop,
                                    ReInit,
                                    Stop,
                                    Cont,
                                    Alarm,
                                    Kill        // This process
                                };
 
    static void                 startNotify(EvType,const CallBack&);
    static void                 stopNotify(EvType,const CallBack&);
    static void                 stopProcess(int,bool friendly=true);
    static void                 stopRemote( const char*,int, bool friendly=true,
                                            const char* rshcomm=0 );
    static void                 initFatalSignalHandling();
 
protected:
 
                                        SignalHandling();
                                        ~SignalHandling();
    static SignalHandling&              SH();
    CallBackSet&                        conncbs_;
    CallBackSet&                        chldcbs_;
    CallBackSet&                        reinitcbs_;
    CallBackSet&                        stopcbs_;
    CallBackSet&                        contcbs_;
    CallBackSet&                        alarmcbs_;
    CallBackSet&                        killcbs_;
 
    CallBackSet&                        getCBL(EvType);
 
    static void                         handle(int);
 
    void                                doKill(int);
    void                                doStop(int,bool withcbs=true);
    void                                doCont();
    void                                handleConn();
    void                                handleChld();
    void                                handleAlarm();
    void                                handleReInit();
 
 
    friend void                         DBG::forceCrash(bool);
 
};