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Main thread is a regular field of global_State

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They were already allocated as a single block, so there is no need
for the global_State to point to its main thread.
This commit is contained in:
Roberto Ierusalimschy 2025-01-31 13:51:38 -03:00
parent d1e677c52b
commit fa1382b5cd
6 changed files with 65 additions and 75 deletions
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8
lgc.c
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@ -78,7 +78,7 @@
((*getArrTag(t,i) & BIT_ISCOLLECTABLE) ? getArrVal(t,i)->gc : NULL)
#define markvalue(g,o) { checkliveness(g->mainthread,o); \
#define markvalue(g,o) { checkliveness(mainthread(g),o); \
if (valiswhite(o)) reallymarkobject(g,gcvalue(o)); }
#define markkey(g, n) { if keyiswhite(n) reallymarkobject(g,gckey(n)); }
@ -441,7 +441,7 @@ static void cleargraylists (global_State *g) {
static void restartcollection (global_State *g) {
cleargraylists(g);
g->GCmarked = 0;
markobject(g, g->mainthread);
markobject(g, mainthread(g));
markvalue(g, &g->l_registry);
markmt(g);
markbeingfnz(g); /* mark any finalizing object left from previous cycle */
@ -1513,7 +1513,7 @@ void luaC_freeallobjects (lua_State *L) {
separatetobefnz(g, 1); /* separate all objects with finalizers */
lua_assert(g->finobj == NULL);
callallpendingfinalizers(L);
deletelist(L, g->allgc, obj2gco(g->mainthread));
deletelist(L, g->allgc, obj2gco(mainthread(g)));
lua_assert(g->finobj == NULL); /* no new finalizers */
deletelist(L, g->fixedgc, NULL); /* collect fixed objects */
lua_assert(g->strt.nuse == 0);
@ -1526,7 +1526,7 @@ static void atomic (lua_State *L) {
GCObject *grayagain = g->grayagain; /* save original list */
g->grayagain = NULL;
lua_assert(g->ephemeron == NULL && g->weak == NULL);
lua_assert(!iswhite(g->mainthread));
lua_assert(!iswhite(mainthread(g)));
g->gcstate = GCSatomic;
markobject(g, L); /* mark running thread */
/* registry and global metatables may be changed by API */