[lkml]   [2010]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] [RFCv2] notify userspace about time changes
    On Thu, Aug 19, 2010 at 11:50, Peter Zijlstra <> wrote:
    > On Wed, 2010-08-18 at 16:53 -0700, Andrew Morton wrote:
    >> Such applications might be better served via a wake-me-at-this-time
    >> syscall instead of a sleep-me-for-this-long syscall.  Although such a
    >> thing is less general.
    > We have timer_create(.clockid = CLOCK_REALTIME) for such things, no?

    Not for repeating events like cron needs.

    Say we want to wakeup at 3pm, now it's 4pm, so we schedule it in 23
    hours. Now the system time changes to 2pm, and we would expect to
    wakeup in one hour, but we take 25.

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2010-08-19 12:55    [W:0.020 / U:8.644 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site