Eric Blake 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.
>
> Suggest
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
Signed
