Re: [Xen-devel] [PATCH RFC v2 02/13] libxenstore: Provide xs_check_watch

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2011-10-28 at 19:37 +0100, Ian Jackson wrote:
> +
> +out_false:
> +     if (nonblocking) {
> +             int e = errno;
> +             setnonblock(fd, 0);
> +             errno = e;
> +     }

Since setnonblock cannot itself return an error should it always
preserve errno on behalf of the caller?

Ian.



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