Date: Tue, 30 Jan 2024 16:31:55 +0000 From: Gary Jennejohn <garyj@gmx.de> To: David Wolfskill <david@catwhisker.org> Cc: current@freebsd.org, Tomek CEDRO <tomek@cedro.info> Subject: Re: 'poweroff' seems to (only) halt as of main-n267841-0b3f9e435f2b Message-ID: <20240130173155.45a2bc88@ernst.home> In-Reply-To: <Zbkf5_q-c6EvNXMs@albert.catwhisker.org> References: <ZbkMfIdaNTddzlqu@albert.catwhisker.org> <CAFYkXjmwDMZU=i9E=mKmz%2BbjBje2e=X=2eDhAnsiBs9F%2BDvNjg@mail.gmail.com> <ZbkRdaGt1c2-0yS7@albert.catwhisker.org> <20240130164954.65b784f4@ernst.home> <Zbkf5_q-c6EvNXMs@albert.catwhisker.org>
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On Tue, 30 Jan 2024 08:12:23 -0800
David Wolfskill <david@catwhisker.org> wrote:
> On Tue, Jan 30, 2024 at 03:49:54PM +0000, Gary Jennejohn wrote:
> > ...
> > I use 'shutdown -p now' and it's never failed to power down my computers.
> > ....
>
> I could say the same about "poweroff", up to the main-n267808-197944948e62
> -> main-n267841-0b3f9e435f2b transition. And I probably wouldn't
> have mentioned anything, except that each of the 3 machines (one
> headless build machine; 2 laptops) I tested exhibited the same change.
>
> Note, too, from src/sbin/shutdown/shutdown.c:
>
> /*
> * Test for the special case where the utility is called as
> * "poweroff", for which it runs 'shutdown -p now'.
> */
> if ((p = strrchr(argv[0], '/')) == NULL)
> p = argv[0];
> else
> ++p;
> if (strcmp(p, "poweroff") == 0) {
> if (getopt(argc, argv, "") != -1)
> usage((char *)NULL);
> argc -= optind;
> argv += optind;
> if (argc != 0)
> usage((char *)NULL);
> dopower = 1;
> offset = 0;
> (void)time(&shuttime);
> goto poweroff;
>
> (So I believe we are referring to the same code paths, whether by
> "shutdown -p now" or "poweroff".)
>
Interesting, I wasn't aware of this. Reading shutdown(8) I see that
poweroff is equivalent to shutdown -p now. Thanks!
--
Gary Jennejohn
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