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-rw-r--r--lref.h27
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1/*
2** $Id: lref.h,v 1.5 1999/12/27 17:33:22 roberto Exp roberto $
3** reference mechanism
4** See Copyright Notice in lua.h
5*/
6
7#ifndef lref_h
8#define lref_h
9
10#include "lobject.h"
11
12
13#define NONEXT -1 /* to end the free list */
14#define HOLD -2
15#define COLLECTED -3
16#define LOCK -4
17
18
19struct Ref {
20 TObject o;
21 int st; /* can be LOCK, HOLD, COLLECTED, or next (for free list) */
22};
23
24
25void luaR_invalidaterefs (lua_State *L);
26
27#endif