Eric Blake <ebl...@redhat.com> 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 <arm...@redhat.com> > Signed-off-by: Eric Blake <ebl...@redhat.com>
Reviewed-by: Markus Armbruster <arm...@redhat.com>
