atomic.Xadd(&finq.cnt, +1) // Sync with markroots
	f.fn = fn
	f.nret = nret
	f.fint = fint
	f.ot = ot
	f.arg = p
	unlock(&finlock)
	fingStatus.Or(fingWake)
}

//go:nowritebarrier
func iterate_finq(callback func(*funcval, unsafe.Pointer, uintptr, *_type, *ptrtype)) {
	for fb := allfin; fb != nil; fb = fb.alllink {
		for i := uint32(0); i < fb.cnt; i++ {
			f := &fb.fin[i]