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TODO: update RTC, DST stuff

This commit is contained in:
Kay Sievers 2012-11-04 15:47:08 +01:00
parent 39cff5961a
commit d2e83c23f5
1 changed files with 14 additions and 7 deletions
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21
TODO
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@ -22,14 +22,21 @@ F18:
Features:
* introduce ntp.service (or suchlike) as symlink that is used to arbitrate between various NTP implementations
* introduce ntp.service (or suchlike) as symlink that is used to arbitrate between various
NTP implementations
* timer units should get the ability to trigger:
a) when CLOCK_REALTIME makes jumps (TFD_TIMER_CANCEL_ON_SET)
b) when DST jumps takes place (glibc's zoneinfo "mess")
We want to be able to schedule an event when the system time changes by user
request, or DST change takes effect, to update the rtc-in-localtime and sys_tz
of the kernel when needed.
* timer units should get the ability to trigger when:
- CLOCK_REALTIME makes jumps (TFD_TIMER_CANCEL_ON_SET)
- DST changes
* update the kernel's TZ (sys_tz) when DST changes
* sync down the system time to the RTC when:
- CLOCK_REALTIME makes jumps (the user explicitely requested a time set)
- DST changes && ntp is active && RTC-in-localtime (never do it without ntp)
This takes care of syncing ntpdate updates to the RTC, and DST updates for localtime
mode, it will never touch the RTC if the no reliale time source is active or the
user did not request anything like it.
* When we begin with system shutdown all kind of suspend/hibernation should be prohibited until shutdown/reboot