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Reduce calls to 'luaC_step' when GC is stopped

This commit is contained in:
Roberto Ierusalimschy 2022-12-09 16:35:19 -03:00
parent 82fae58e25
commit fa2f294dd1
1 changed files with 6 additions and 3 deletions
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9
lgc.c
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@ -1681,12 +1681,15 @@ static void incstep (lua_State *L, global_State *g) {
} }
/* /*
** performs a basic GC step if collector is running ** Performs a basic GC step if collector is running. (If collector is
** not running, set a reasonable debt to avoid it being called at
** every single check.)
*/ */
void luaC_step (lua_State *L) { void luaC_step (lua_State *L) {
global_State *g = G(L); global_State *g = G(L);
lua_assert(!g->gcemergency); if (!gcrunning(g)) /* not running? */
if (gcrunning(g)) { /* running? */ luaE_setdebt(g, -2000);
else {
if(isdecGCmodegen(g)) if(isdecGCmodegen(g))
genstep(L, g); genstep(L, g);
else else