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GC back to controling pace counting bytes

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Memory is the resource we want to save. Still to be reviewed again.
This commit is contained in:
Roberto Ierusalimschy
2024-09-19 19:02:14 -03:00
parent b443145ff3
commit ddfa1fbccf
11 changed files with 247 additions and 202 deletions
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15
lstate.h
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@@ -274,11 +274,10 @@ struct CallInfo {
typedef struct global_State {
lua_Alloc frealloc; /* function to reallocate memory */
void *ud; /* auxiliary data to 'frealloc' */
lu_mem GCtotalbytes; /* number of bytes currently allocated */
l_obj GCtotalobjs; /* total number of objects allocated + GCdebt */
l_obj GCdebt; /* objects counted but not yet allocated */
l_obj GCmarked; /* number of objects marked in a GC cycle */
l_obj GCmajorminor; /* auxiliary counter to control major-minor shifts */
l_mem GCtotalbytes; /* number of bytes currently allocated + debt */
l_mem GCdebt; /* bytes counted but not yet allocated */
l_mem GCmarked; /* number of objects marked in a GC cycle */
l_mem GCmajorminor; /* auxiliary counter to control major-minor shifts */
stringtable strt; /* hash table for strings */
TValue l_registry;
TValue nilvalue; /* a nil value */
@@ -411,11 +410,11 @@ union GCUnion {
#define obj2gco(v) check_exp((v)->tt >= LUA_TSTRING, &(cast_u(v)->gc))
/* actual number of total objects allocated */
#define gettotalobjs(g) ((g)->GCtotalobjs - (g)->GCdebt)
/* actual number of total memory allocated */
#define gettotalbytes(g) ((g)->GCtotalbytes - (g)->GCdebt)
LUAI_FUNC void luaE_setdebt (global_State *g, l_obj debt);
LUAI_FUNC void luaE_setdebt (global_State *g, l_mem debt);
LUAI_FUNC void luaE_freethread (lua_State *L, lua_State *L1);
LUAI_FUNC CallInfo *luaE_extendCI (lua_State *L);
LUAI_FUNC void luaE_shrinkCI (lua_State *L);