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Changed signal of GC debt

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Positive debts seems more natural then negative ones.
This commit is contained in:
Roberto Ierusalimschy
2022-12-13 15:45:57 -03:00
parent 40565b4a08
commit 5d8b5b9290
6 changed files with 22 additions and 25 deletions
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8
lapi.c
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@@ -1168,8 +1168,8 @@ LUA_API int lua_gc (lua_State *L, int what, ...) {
g->gcstp = 0; /* allow GC to run (bit GCSTPGC must be zero here) */
if (todo == 0)
todo = 1 << g->gcstepsize; /* standard step size */
while (todo + g->GCdebt > 0) { /* enough to run a step? */
todo += g->GCdebt; /* decrement 'todo' (debt is usually negative) */
while (todo >= g->GCdebt) { /* enough to run a step? */
todo -= g->GCdebt; /* decrement 'todo' */
luaC_step(L); /* run one basic step */
didsomething = 1;
if (g->gckind == KGC_GEN) /* minor collections? */
@@ -1177,8 +1177,8 @@ LUA_API int lua_gc (lua_State *L, int what, ...) {
else if (g->gcstate == GCSpause)
break; /* don't run more than one cycle */
}
/* add remaining 'todo' to total debt */
luaE_setdebt(g, todo + g->GCdebt);
/* remove remaining 'todo' from total debt */
luaE_setdebt(g, g->GCdebt - todo);
g->gcstp = oldstp; /* restore previous state */
if (didsomething && g->gcstate == GCSpause) /* end of cycle? */
res = 1; /* signal it */