[PATCH] posix: Add p{read,write}v2 RWF_NOWAIT flag (BZ#21738)

[Zack Weinberg]

Argh, one more thing:

On Mon, Jul 10, 2017 at 3:34 PM, Zack Weinberg <zackw@panix.com> wrote:
>
> Suggest instead "Use nonblocking mode for this operation; that is,
> this call to @code{preadv2} will fail and set @code{errno} to
> @code{EAGAIN} if the operation would block."

"... this call to @code{preadv2} or @code{pwritev2} ..." It does work
in both, right?

zw