Function marktmu

Source/Misc/lua/src/lua.c:6117–6126

static void marktmu (global_State *g) {
GCObject *u = g->tmudata;
if (u) {
do {
u = u->gch.next;
makewhite(g, u);  /* may be marked, if left from previous GC */
reallymarkobject(g, u);
} while (u != g->tmudata);
}
}


/* move `dead' udata that need finalization to list `tmudata' */