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Major collections done incrementally

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Major collections do not need to "stop the world". Still pending:
criteria for shifts minor-major, shifts generational-incremental.
This commit is contained in:
Roberto Ierusalimschy
2023-12-06 10:49:56 -03:00
parent 74b4013538
commit 789e7acdea
4 changed files with 80 additions and 75 deletions
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6
lstate.h
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@@ -149,8 +149,8 @@ struct lua_longjmp; /* defined in ldo.c */
/* kinds of Garbage Collection */
#define KGC_INC 0 /* incremental gc */
#define KGC_GEN 1 /* generational gc */
#define KGC_GENMAJOR 2 /* generational in "major" mode */
#define KGC_GENMINOR 1 /* generational gc in minor (regular) mode */
#define KGC_GENMAJOR 2 /* generational in major mode */
typedef struct stringtable {
@@ -259,7 +259,7 @@ typedef struct global_State {
l_obj totalobjs; /* total number of objects allocated + GCdebt */
l_obj GCdebt; /* objects counted but not yet allocated */
l_obj marked; /* number of objects marked in a GC cycle */
l_obj GClastmajor; /* objects at last major collection */
l_obj GCmajorminor; /* auxiliar counter to control major-minor shifts */
stringtable strt; /* hash table for strings */
TValue l_registry;
TValue nilvalue; /* a nil value */