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/*
* CENA C++ Utilities
*
* by Stephane Chatty
*
* Copyright 1992
* Centre d'Etudes de la Navigation Aerienne (CENA)
*
* Signal handling
*
* $Id$
* $CurLog$
*/
#ifndef Signal_H_
#define Signal_H_
#include "cplus_bugs.h"
class IvlList;
#ifdef CPLUS_BUG21
#ifdef sun
#define NSIG 32
#else
#include <signal.h>
#endif
#endif
class IvlBaseSignalHandler {
private:
static IvlList* HandlerStacks;
static void ClassInit ();
void Install ();
static void InstallNone (int);
static void DoHandle (int);
protected:
int Signal;
public:
IvlBaseSignalHandler (int);
virtual ~IvlBaseSignalHandler ();
inline int GetSignal () const { return Signal; }
protected:
/*?public?*/
virtual void Handle ();
};
extern const int AllSigs, SigHup, SigInt, SigQuit, SigIll, SigTrap, SigAbrt, SigEmt, SigFpe,
SigKill, SigBus, SigSegv, SigSys, SigPipe, SigAlrm, SigTerm, SigUsr1,
SigUsr2, SigChld, SigVtalrm, SigIo, SigStop,
SigTstp, SigCont, SigTtin, SigTtou, SigUrg, SigLost;
class IvlSignalHandler : public IvlBaseSignalHandler {
protected:
void (*Handler) (int);
void Handle ();
public:
IvlSignalHandler (int, void (*) (int));
~IvlSignalHandler ();
};
class IvlSignalBlocker {
private:
#ifndef CPLUS_BUG21
static int BlockCounts [];
#else
static int BlockCounts [NSIG-1];
#endif
protected:
int Signal:6;
public:
IvlSignalBlocker (int);
~IvlSignalBlocker ();
};
#endif /* Signal_H_ */
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