Date: Tue, 11 Nov 2014 20:16:37 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Mark Felder <feld@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Changing timezone without reboot/restarting each service? Message-ID: <2C79EC19-7271-4AC1-B9F8-B2992993823A@FreeBSD.org> In-Reply-To: <1415676518.1517572.189478341.09FB6AE5@webmail.messagingengine.com> References: <5460B143.3010004@FreeBSD.org> <1415676518.1517572.189478341.09FB6AE5@webmail.messagingengine.com>
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[-- Attachment #1 --] On 11 Nov 2014, at 04:28, Mark Felder <feld@freebsd.org> wrote: > > On Mon, Nov 10, 2014, at 06:36, Lev Serebryakov wrote: >> >> After changing timezones in Russia (with replacing /etc/localtime >> with new file), I found that cron works in "old" timezone till >> restart. And all other services do the same, but cron is most obvious >> here :) >> >> Looks like libc reads timezone only once and it could not be chamged >> for process without restart (which leads to, effectivly, restart of >> whole server). >> >> Is it known problem? I think, it should be fixed somehow. I >> understand, that re-check timezone file on each time-related call >> could be expensive, though :( >> > > I think this was one of the crowning achievements of systemd, but I'm > sure someone can come up with something much more sane than that to > address this problem. Actually, it isn't: http://www.freedesktop.org/wiki/Software/systemd/timedated/ This reads "Note that this service will not inform you about system time changes. Use timerfd() with CLOCK_REALTIME and TFD_TIMER_CANCEL_ON_SET for that." So it mostly looks like a shared service to provide the graphical time control panel for GNOME. -Dimitry [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.26 iEYEARECAAYFAlRiYKMACgkQsF6jCi4glqMfGQCfX1DsPyWQxtwMQz9moT7zefZf lEcAoP3rEsSlVX6eGRBv4ywr74QLrnWW =w58R -----END PGP SIGNATURE-----
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