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GC bits SEPARATED and FINALIZEDBIT mixed in FINALIZEDBIT (with simpler

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control)
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Roberto Ierusalimschy
2013-08-20 14:46:34 -03:00
parent 9eff921f8f
commit 8f6b80aa1d
4 changed files with 20 additions and 25 deletions
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10
lgc.h
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@@ -1,5 +1,5 @@
/*
** $Id: lgc.h,v 2.61 2013/08/16 18:55:49 roberto Exp roberto $
** $Id: lgc.h,v 2.62 2013/08/19 14:18:43 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -76,10 +76,9 @@
#define WHITE0BIT 0 /* object is white (type 0) */
#define WHITE1BIT 1 /* object is white (type 1) */
#define BLACKBIT 2 /* object is black */
#define FINALIZEDBIT 3 /* object has been separated for finalization */
#define SEPARATED 4 /* object is in 'finobj' list or in 'tobefnz' */
#define FIXEDBIT 5 /* object is fixed (should not be collected) */
#define LOCALBIT 6 /* object is not local */
#define FINALIZEDBIT 3 /* object has been marked for finalization */
#define FIXEDBIT 4 /* object is fixed (should not be collected) */
#define LOCALBIT 5 /* object is not local */
/* bit 7 is currently used by tests (luaL_checkmemory) */
#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT)
@@ -91,6 +90,7 @@
(!testbits((x)->gch.marked, WHITEBITS | bitmask(BLACKBIT)))
#define islocal(x) (!testbit((x)->gch.marked, LOCALBIT))
#define tofinalize(x) testbit((x)->gch.marked, FINALIZEDBIT)
#define otherwhite(g) (g->currentwhite ^ WHITEBITS)
#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow)))