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definition of 'GCSTEPSIZE' moved to header file + small changes

This commit is contained in:
Roberto Ierusalimschy 2012-05-23 12:43:14 -03:00
parent 21ed264a38
commit e29f3a5751
2 changed files with 13 additions and 10 deletions
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7
lgc.c
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@ -1,5 +1,5 @@
/*
** $Id: lgc.c,v 2.126 2012/05/22 17:50:39 roberto Exp roberto $
** $Id: lgc.c,v 2.127 2012/05/22 18:38:56 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@ -24,11 +24,8 @@
/* how much to allocate before next GC step */
#define GCSTEPSIZE (cast_int(256 * sizeof(void*)))
/* cost of sweeping one element (half the size of a small object) */
#define GCSWEEPCOST ((sizeof(TString) + 2) / 2)
#define GCSWEEPCOST ((sizeof(TString) + 4) / 2)
/* maximum number of elements to sweep in each single step */
#define GCSWEEPMAX (cast_int((GCSTEPSIZE / GCSWEEPCOST) / 4))

16
lgc.h
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@ -1,5 +1,5 @@
/*
** $Id: lgc.h,v 2.54 2012/05/11 19:22:33 roberto Exp roberto $
** $Id: lgc.h,v 2.55 2012/05/21 13:18:10 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@ -20,13 +20,19 @@
** is that a black object can never point to a white one. Moreover,
** any gray object must be in a "gray list" (gray, grayagain, weak,
** allweak, ephemeron) so that it can be visited again before finishing
** the collection cycle. (These rule does not apply to strings,
** which are never black but do not need to be visited again.)
** These lists have no meaning when the invariant is not being enforced
** (e.g., sweep phase).
** the collection cycle. These lists have no meaning when the invariant
** is not being enforced (e.g., sweep phase).
*/
/* how much to allocate before next GC step */
#if !defined(GCSTEPSIZE)
/* ~100 small strings */
#define GCSTEPSIZE (cast_int(100 * sizeof(TString)))
#endif
/*
** Possible states of the Garbage Collector
*/