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/*
** $Id: lref.h,v 1.2 1999/11/10 15:37:50 roberto Exp roberto $
** REF mechanism
** See Copyright Notice in lua.h
*/
#ifndef lref_h
#define lref_h
#include "lobject.h"
#define NONEXT -1 /* to end the free list */
#define HOLD -2
#define COLLECTED -3
#define LOCK -4
struct ref {
TObject o;
int st; /* can be LOCK, HOLD, COLLECTED, or next (for free list) */
};
int luaR_ref (lua_State *L, const TObject *o, int lock);
const TObject *luaR_getref (lua_State *L, int ref);
void luaR_invalidaterefs (lua_State *L);
#endif
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