Re: [Qemu-devel] [PATCH v5 1/4] shutdown: Simplify shutdown_signal

[Markus Armbruster]

Eric Blake <address@hidden> writes:

> There is no signal 0 (kill(pid, 0) has special semantics to probe whether
> a process is alive), rather than actually sending a signal 0).  So we
> can use the simpler 0, instead of -1, for our sentinel of whether a
> shutdown request due to a signal has happened.
>
> Suggested-by: Markus Armbruster <address@hidden>
> Signed-off-by: Eric Blake <address@hidden>

Reviewed-by: Markus Armbruster <address@hidden>