RFR(xxs): 8213017: jspawnhelper: need to handle pipe write failure when sending return code

[Thomas Stüfe]

Thank you Alan.
On Mon, Oct 29, 2018 at 9:30 AM Alan Bateman <Alan.Bateman at oracle.com> wrote:
>
> On 27/10/2018 16:58, Thomas Stüfe wrote:
> > May I please have reviews for this trivial patch?
> >
> > On Linux, I get compiler warnings when building the jspawnhelper. It
> > complains about not checking the return code to write when
> > communicating an error code back to be parent.
> >
> > I decided to just fix it since this is indeed a bug. But there is no
> > real way to produce error output since stdout/err are redirected. So I
> > decided to just exit with a clear error code instead.
> >
> > bug: https://bugs.openjdk.java.net/browse/JDK-8213017
> > cr: http://cr.openjdk.java.net/~stuefe/webrevs/8213017-jspawnhelper-write-return-
> > code/webrev_0/webrev/
> >
> I think this is okay to keep the compiler happy.
>
> -Alan.