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better control over GC collors of upvalues

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Roberto Ierusalimschy
2005-01-19 13:54:26 -02:00
parent d89a56f869
commit 621ef9f767
3 changed files with 26 additions and 6 deletions
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lgc.h
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@@ -1,5 +1,5 @@
/*
** $Id: lgc.h,v 2.8 2004/08/30 13:44:44 roberto Exp roberto $
** $Id: lgc.h,v 2.9 2004/09/15 20:38:15 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -66,6 +66,7 @@
#define isdead(g,v) ((v)->gch.marked & otherwhite(g))
#define changewhite(x) ((x)->gch.marked ^= bit2mask(WHITE0BIT, WHITE1BIT))
#define gray2black(x) setbit((x)->gch.marked, BLACKBIT)
#define valiswhite(x) (iscollectable(x) && iswhite(gcvalue(x)))