Re: [Qemu-devel] [PATCH v2 for-3.0] tests/libqtest: Improve kill_qemu()

[Eric Blake]

On 07/24/2018 01:44 AM, Thomas Huth wrote:

> > Furthermore, we are NOT detecting EINTR (while EINTR shouldn't be
> > happening if we didn't install signal handlers, it's still better
> > to always be robust), and also want to log unexpected non-zero status
> > that was not accompanied by a core dump.

> >           kill(s->qemu_pid, SIGTERM);
> > +    retry:
> >           pid = waitpid(s->qemu_pid, &wstatus, 0);
> > +        if (pid == -1 && errno == EINTR) {
> > +            goto retry;
> > +        }
>
>      do {
>          pid = waitpid(s->qemu_pid, &wstatus, 0);
>      } while (pid == -1 && errno == EINTR);
>
> ?
>
> Or use the TFR macro from include/qemu-common.h ?

Cool, I didn't know that macro existed! Will send v3.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org