event.h

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#ifndef _EVENT_H_
#define _EVENT_H_
 
 
typedef struct EventHandler EventHandler;
 
typedef struct EventSpec EventSpec;
typedef struct {
    int unused;
} EIBase;
 
typedef int (*eventfunc) (EIBase * event, void * userdata);
 
struct EventHandler
{
    eventfunc func;
    void * userdata;
};
 
#define MAXEH 8
 
struct EventSpec
{
    char name[32];
    int used;
    EventHandler h[MAXEH];
};
 
int
event_listen(EventSpec * e, eventfunc func, void * userdata);
 
int
event_unlisten(EventSpec * e, eventfunc func, void * userdata);
 
int
event_emit(EventSpec * eh, EIBase * event);
 
/* A new particle is formed by spliting an existing particle. */
extern EventSpec EventSlotsFork;
/* GC is done, things may have been violated. */
extern EventSpec EventSlotsAfterGC;
 
#endif