sigsetWords := (_C__NSIG - 1 + wordBits - 1) / (wordBits)

		sigsetBytes := uintptr(sigsetWords * (wordBits / 8))
		kernelMask = &sigset_argpack{
			ss:    sigmask,
			ssLen: sigsetBytes,
		}
	}

	return pselect6(nfd, r, w, e, mutableTimeout, kernelMask)
}

//sys	schedSetattr(pid int, attr *SchedAttr, flags uint) (err error)