On Sat, 26 Nov 2022 11:09:58 -0700, "Theo de Raadt" wrote:

> But "Resource temporarily unavailable" has absolutely no meaning to
> anyone who will try to do this by hand, it is better for the message
> to interpret the situation so that someone can understand.

Agreed, it would be friendlier to fo something like:

        if (lockfd == -1) {
                if (errno == EAGAIN)
                        errx(1, "already running");
                err(1, "%s", _PATH_LOCKFILE);

 - todd

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