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Threads are created like other objects

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Using a version of 'luaC_newobj' that allows offsets (extra space
before the object itself).
This commit is contained in:
Roberto Ierusalimschy 2022-11-01 17:14:01 -03:00
parent ee645472eb
commit 9ede317c70
3 changed files with 16 additions and 12 deletions
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12
lstate.c
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@ -284,18 +284,14 @@ static void close_state (lua_State *L) {
LUA_API lua_State *lua_newthread (lua_State *L) {
global_State *g;
global_State *g = G(L);
GCObject *o;
lua_State *L1;
lua_lock(L);
g = G(L);
luaC_checkGC(L);
/* create new thread */
L1 = &cast(LX *, luaM_newobject(L, LUA_TTHREAD, sizeof(LX)))->l;
L1->marked = luaC_white(g);
L1->tt = LUA_VTHREAD;
/* link it on list 'allgc' */
L1->next = g->allgc;
g->allgc = obj2gco(L1);
o = luaC_newobjdt(L, LUA_TTHREAD, sizeof(LX), offsetof(LX, l));
L1 = gco2th(o);
/* anchor it on L stack */
setthvalue2s(L, L->top.p, L1);
api_incr_top(L);