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#ifndef exittrap_h
#define exittrap_h
#include "config.h"
//////////////////////////////////////////////////////////////////////////
//
// ExitTrap implements exit traps - cleanup functions that must be called
// in case of an abnormal program termination.
//
// This class does NOT do anything like trap signals, etcetera. The main
// program should do that, and call onexit() in order to call the cleanup()
// virtual function.
//
//////////////////////////////////////////////////////////////////////////
class ExitTrap {
ExitTrap *next, *prev;
virtual void cleanup()=0;
virtual void forked()=0;
int callcleanup;
protected:
void destroying() { callcleanup=0; }
void constructed() { callcleanup=1; }
public:
ExitTrap();
virtual ~ExitTrap();
static void onexit();
static void onfork();
} ;
#endif
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