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
________________________________________________________________________

-*/

#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);

};